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SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549



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FORM 10-K

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(Mark One)

ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D)

OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2001

OR

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D)

OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to



Commission file number: 0-28150



NEUROCRINE BIOSCIENCES, INC.

(Exact name of registrant as specified in its charter)





Delaware 33-0525145

(State or other jurisdiction (I.R.S. Employer

of incorporation or organization) Identification Number)





10555 Science Center Drive, San Diego, CA 92121

(Address of principal executive office) (Zip Code)





Registrant's telephone number, including area code: (858) 658-7600

Securities registered pursuant to Section 12(b) of the Act: None Securities

registered pursuant to Section 12(g) of the Act: Common Stock, $0.001 par value



Indicate by check mark whether the registrant: (1) has filed all

reports required to be filed by Section 13 or 15(d) of the Securities Exchange

Act of 1934 during the preceding 12 months (or for such shorter period that the

registrant was required to file such reports), and (2) has been subject to such

filing requirements for the past 90 days. Yes [X] No [ ]



Indicate by check mark if disclosure of delinquent filers pursuant to

Item 405 of Regulation S-K is not contained herein, and will not be contained,

to the best of the registrant's knowledge, in definitive proxy or information

statements incorporated by reference in Part III of this Form 10-K or any

amendment to this Form 10-K. [ ]



The aggregate market value of the voting stock held by non-affiliates

of the Registrant as of March 15, 2002 totaled approximately $1,102,649 based on

the closing stock price as reported by the Nasdaq National Market. As of March

15, 2002, there were 30,399,620 shares of the Registrant's Common Stock, $0.001

par value per share, outstanding.



DOCUMENTS INCORPORATED BY REFERENCE



Certain information required by Part III of Form 10-K is incorporated

by reference from the Registrant's Proxy Statement for the Annual Meeting of

Stockholders to be held on May 23, 2002 (the "Proxy Statement"), which will be

filed with the Securities and Exchange Commission within 120 days after the

close of the Registrant's fiscal year ended December 31, 2001.



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1





TABLE OF CONTENTS



Page

PART I

Item 1. Business ................................................. 3

Item 2. Properties ............................................... 29

Item 3. Legal Proceedings ........................................ 29

Item 4. Submission of Matters to a Vote of

Security Holders ........................................ 30



PART II

Item 5. Market for Registrant's Common

Equity and Related Stockholder Matters .................. 30

Item 6. Selected Financial Data .................................. 31

Item 7. Management's Discussion and Analysis of

Financial Condition and Results of Operations ........... 32

Item 7A. Quantitative and Qualitative

Disclosures about Market Risk ........................... 38

Item 8. Financial Statements and Supplementary Data .............. 38

Item 9. Changes in and Disagreements with

Accountants on Accounting and Financial

Disclosure .............................................. 38



PART III

Item 10. Executive Officers and Directors of the

Registrant .............................................. 38

Item 11. Executive Compensation ................................... 38

Item 12. Security Ownership of Certain Beneficial

Owners and Management ................................... 38

Item 13. Certain Relationships and Related Transactions ........... 38



PART IV

Item 14. Exhibits, Financial Statements, Schedules and

Reports on Form 8-K ..................................... 39







2













PART I



Forward-Looking Statements





This Annual Report on Form 10-K and the information incorporated herein

by reference contain forward-looking statements that involve a number of risks

and uncertainties. Although our forward-looking statements reflect the good

faith judgment of our management, these statements can only be based on facts

and factors currently known by us. Consequently, forward-looking statements are

inherently subject to risks and uncertainties, and actual results and outcomes

may differ materially from results and outcomes discussed in the forward-looking

statements.



Forward-looking statements can be identified by the use of

forward-looking words such as "believes," "expects," "hopes," "may," "will,"

"plan," "intends," "estimates," "could," "should," "would," "continue," "seeks,"

"pro forma" or "anticipates," or other similar words (including their use in the

negative), or by discussions of future matters such as the development of new

products, technology enhancements, possible changes in legislation and other

statements that are not historical. These statements include but are not limited

to statements under the captions "Risk Factors," "Management's Discussion and

Analysis of Financial Condition and Results of Operations" and "Business" as

well as other sections in this report. You should be aware that the occurrence

of any of the events discussed under the heading "Item 1. Business - Risk

Factors" and elsewhere in this report could substantially harm our business,

results of operations and financial condition and that if any of these events

occurs, the trading price of our common stock could decline and you could lose

all or a part of the value of your shares of our common stock.



The cautionary statements made in this report are intended to be

applicable to all related forward-looking statements wherever they may appear in

this report. We urge you not to place undue reliance on these forward- looking

statements, which speak only as of the date of this report.











ITEM 1. BUSINESS



We develop and intend to commercialize drugs for the treatment of

neurologic and endocrine system-related diseases and disorders. Our product

candidates address some of the largest pharmaceutical markets in the world,

including insomnia, anxiety, depression, cancer, diabetes and multiple

sclerosis. We currently have 15 programs in various stages of research and

development, including seven programs in clinical development. Our lead clinical

development program is a drug for the treatment of insomnia currently being

evaluated in Phase III clinical trials.



While we independently develop the majority of our product candidates,

we have entered into collaborations for five of our 15 programs. We currently

have active collaborations with GlaxoSmithKline, Wyeth-Ayerst Laboratories

(Wyeth-Ayerst), a division of American Home Products and Taisho Pharmaceutical

Co., Ltd. (Taisho).



Our Product Pipeline



The following table summarizes our most advanced product candidates

currently in pre-clinical or clinical development and those currently in

research, and is followed by detailed descriptions of each program:







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Program Compound Targeted Indication Status Commercial Rights

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PRODUCTS UNDER DEVELOPMENT:

GABA-A Agonist NBI-34060 Insomnia Phase III Neurocrine



CRF R1 Antagonist NBI-34041 Anxiety, Depression Phase I GlaxoSmithKline/Neurocrine



IL-4 Fusion Toxin NBI-3001 Malignant Glioma Phase II Neurocrine



IL-4 Fusion Toxin NBI-3001 Additional Cancers Phase I Neurocrine

(kidney,lung,breast)



Altered Peptide Ligand NBI-5788 Multiple Sclerosis Phase II Neurocrine



Altered Peptide Ligand NBI-6024 Type 1 Diabetes Phase II Taisho/Neurocrine



3





GnRH Antagonist Endometriosis, Phase I Neurocrine

Prostate Cancer

RESEARCH:

Excitatory Amino Neurodegenerative Research Wyeth-Ayerst/Neurocrine

Acid Transporters Diseases



CRF R1 Antagonist Gastrointestinal Research GlaxoSmithKline/Neurocrine

Disorders



CRF R2 Antagonist Eating Disorders Research GlaxoSmithKline/Neurocrine



Urocortin/CRF R2 Agonist Obesity Research Eli Lilly/Neurocrine



Melanocortin Receptor Obesity/cachexia Research Neurocrine

Agonist/Antagonist



Melanin Concentrating Obesity Research Neurocrine

Hormone Antagonist



Hypocretin Agonist/Antagonist Sleep Disorders Research Neurocrine



CCR7 Immune/Cancer Research Neurocrine







"Phase III" indicates that we or our collaborators are conducting

confirmatory clinical trials to determine safety and efficacy as primary support

for regulatory approval to market a product for a specific disease or condition.



"Phase II" indicates that the we or our collaborators are conducting

clinical trials on groups of patients afflicted with a specific disease or

condition to determine preliminary efficacy, optimal dosages and expanded

evidence of safety.



"Phase I" indicates that we or our collaborators are conducting

clinical trials to determine early safety profile, maximally tolerated dose and

pharmacological properties of the product in human volunteers.



"Research" indicates identification and evaluation of compounds in

laboratory and pre-clinical models.



"R1 and R2" refer to two CRF receptor subtypes.









Products under Development



GABA-A Agonist



Insomnia is a prevalent neurological disorder in the United States,

with approximately one-half of the adult population reporting trouble sleeping a

few nights per week or more, according to the National Sleep Foundation.

Additionally, the National Sleep Foundation reported that approximately 29% of

the adult population indicated that they experience insomnia every night or

almost every night. It is also estimated that the elderly comprise 13% of the

total insomnia population. Despite this widespread prevalence, insomnia remains

a disorder with high unmet medical needs, including the ability to maintain

sleep throughout the night without next-day residual effects. Researchers have

found that insomnia can be treated by drugs that interact with the site of

action of a natural brain chemical involved in promoting and maintaining sleep.

This chemical is called gamma amino-butyric acid, or GABA, and the site of

action is called the GABA-A receptor.



During the 1980s, a class of drugs that targets the GABA-A receptor,

known as benzodiazepines, were used as sedatives to treat insomnia. The most

well-known of the benzodiazepines is Valium(copyright). This class of drugs

produced several undesirable side effects, including negative interactions with

other central nervous system depressants, such as alcohol, the development of

tolerance upon repeat dosing, insomnia following discontinuation of dosing, next

day residual sedation effects, and impairment of coordination and memory. Memory

impairment, which can include amnesia for events occurring prior to and after

drug administration, is of particular concern in the elderly whose cognitive

function may already be impaired by the aging process. During the late 1980s, a

class of drugs targeting a specific site on the GABA-A receptor, known as

non-benzodiazepines, was developed. The non-benzodiazepines reduce the side

effects associated with benzodiazepines. The most popular of the

non-benzodiazepines are marketed in the U.S. as Ambien(copyright) and

Sonata(copyright). Ambien(copyright) is the current leader, with approximately

$1.0 billion in worldwide sales in 2001, according Sanofi-Synthelabo.



4





Our drug candidate for the treatment of insomnia, NBI-34060, a

non-benzodiazepine, acts on a specific site on the GABA-A receptor. It is

through this mechanism that the currently marketed non-benzodiazepine

therapeutics also produce their sleep-promoting effects. However, NBI-34060 is

more potent than the currently marketed non-benzodiazepines, including

Ambien(copyright) and Sonata(copyright), and is more selective for the specific

subtype of receptors within the brain believed to be responsible for promoting

sleep. We believe that this improved profile and more selective drug targeting

will reduce the side effects characteristic of the currently marketed products.

We also believe that receptor binding studies and pre-clinical studies on

NBI-34060 indicate that it is a highly potent GABA-A receptor activator, or

agonist, that acts very specifically on the receptor subtype we are targeting.

In our Phase II clinical studies, NBI-34060 was devoid of next day residual

sedation effects, and we expect it to have a considerably reduced amnestic

potential. The elderly population, which represents a large portion of the

insomnia market, would benefit especially from a novel therapeutic with an

improved safety profile, rapidity of onset and decrease in memory impairment.



We are developing two formulations of NBI-34060, an immediate release

formulation and a modified release formulation, to address the different needs

of the insomnia patient population. To develop these two different formulations

we have capitalized on an important feature of NBI-34060, its relatively short

half-life, or duration of action of the compound, in the body. Based on our

clinical studies, we have determined that the levels of NBI-34060 in the

bloodstream reach the highest point approximately 30 minutes after the patient

takes the tablet. NBI-34060 is then rapidly removed from the blood stream to the

point that it cannot be detected four hours later. This rapid peak of drug

results in rapid sleep onset followed by rapid removal of the drug from the

body, reducing the risk of next-day effects. We believe that this short duration

of action will allow for bedtime dosing for people who have trouble falling

asleep and dosing in the middle of the night for people who have trouble staying

asleep without causing the side effects and next day residual sedation effects

that occurs with the longer acting drugs like Ambien(copyright). This short

duration of action has allowed us to formulate the drug in a modified release

form that will effectively provide two doses of drug, a bedtime dose and a

middle of the night dose, which will both rapidly induce sleep and maintain

sleep through the night. If successful, this would represent the first

non-benzodiazepine approved by the United States Food and Drug Administration

(FDA) for maintaining, rather than simply inducing, sleep.



We have completed 25 Phase I and Phase II clinical trials of NBI-34060

for safety and efficacy involving approximately 1,300 subjects. In our Phase II

clinical studies, NBI-34060 has been shown to be safe and effective in helping

subjects with both chronic and transient insomnia to fall asleep rapidly without

adverse side effects as compared to a placebo. Results of a single dose Phase II

clinical trial in 35 healthy volunteers comparing an immediate release

formulation of NBI-34060, 10 mg Ambien(copyright) and 7.5 mg zopiclone (a

sedative available in Europe and under development in the U.S.) relative to

placebo during middle of the night dosing demonstrated that NBI-34060 does not

lead to next day residual sedation effects, while both Ambien(copyright) and

zopiclone exhibited statistically significant measures of next-day adverse side

effects of residual sedation when compared with placebo. Our gender and age

studies to date have indicated that NBI-34060 works with no major differences

between male and female subjects and young adult and elderly subjects. In two

studies of transient insomnia involving an aggregate of 659 patients, the median

time to fall asleep, the primary clinical goal, was reduced by 40% to 59%

compared to a placebo. In a study of chronic insomnia, subjects receiving

NBI-34060 compared to Ambien(copyright) and a placebo showed a statistically

significant decrease in time to sleep onset and increase in sleep duration as

well as quality of sleep at every dose. Based on these results, we have

initiated Phase III clinical development to support marketing registration. Our

Phase III program will involve approximately 3,300 additional subjects in eight

large clinical trials. Our first Phase III clinical trial of NBI-34060,

commenced in November 2001, will involve approximately 500 patients to evaluate

two doses of an immediate release formulation of NBI-34060 for long-term use in

patients with chronic insomnia.



We face the risk that the side effects and efficacy profile of

NBI-34060 seen in our Phase I and II trials may not be confirmed in additional

clinical trials or that the results of future trials may not warrant further

trials.



Corticotropin-Releasing Factor



According to the Surgeon General's 1999 Report on Mental Health, 6.5%

of the U.S. adult population experiences a major depressive episode each year

and 16.4% of the U.S. adult population has an anxiety disorder. Existing

anti-depressant and anti-anxiety therapeutics sold in excess of $11.7 billion

worldwide in 2000, according to market analyst reports from Med Ad News.

However, there remain significant unmet medical needs. The leading drug class,

known as the selective serotonin reuptake inhibitors, is not effective in

one-third of patients. These drugs frequently require as long as three weeks to

take effect, and have significant adverse side effects such as sexual

dysfunction. Therefore, a rapid acting anti-depressant with fewer side effects

would represent a major advance in the treatment of depression.



5





Researchers have identified what they believe to be the central

mediator of the body's stress responses or stress-induced disorders. This

mediator is a brain chemical known as corticotropin-releasing factor, or CRF.

CRF is overproduced in clinically depressed patients and individuals with

anxiety disorders. Current research indicates that clinically depressed patients

and patients with anxiety experience dysfunction of the

hypothalamic-pituitary-adrenal axis, which is the system that manages the body's

overall response to stress. When the body detects a threat to physical or

psychological well-being, the region of the brain called the hypothalamus

amplifies production of CRF, which induces the physical effects that are

associated with stress which can lead to depression or anxiety.



The novelty and specificity of the CRF mechanism of action and the

prospect of improving upon selective serotonin reuptake inhibitor therapy is a

topic of interest throughout the psychiatric community and pharmaceutical

industry, representing a market opportunity both to better serve patients and

expand overall treatment for this life threatening disease.



We have a strategic position in the CRF field through our intellectual

property portfolio and relationship with experts in the neuropsychiatric field.

Wylie W. Vale, Ph.D., our co-founder and Chief Scientific Advisor, is considered

a leader in this field of research. We have characterized the CRF receptor

system and have identified additional members of the CRF receptor family. We

have patent rights on two receptor subtypes called CRF R1 and CRF R2, and we

have pending patent applications on small molecule organic compounds modulating

the CRF receptors.



Depression. Depression is one of a group of neuropsychiatric disorders

that is characterized by extreme feelings of elation and despair, loss of body

weight, decreased aggressiveness and sexual behavior, and loss of sleep.

Researchers believe that depression results from a combination of environmental

factors, including stress, as well as an individual's biochemical vulnerability,

which is genetically predetermined. Researchers believe that the biochemical

basis of depression involves elevated secretion of CRF and abnormally low levels

of other neurotransmitters in the brain such as serotonin. The most frequently

prescribed antidepressant therapies are selective serotonin reuptake inhibitors

such as Prozac(copyright), Zoloft(copyright), Paxil(copyright) and

Celexa(copyright) which act to increase the levels of serotonin and several

other chemicals in the brain. However, because these drugs affect a wide range

of neurotransmitters, they have been associated with a number of adverse side

effects. While newer, more selective drugs offer some safety improvement, side

effects remain problematic. In addition, one of the biggest limitations of most

existing antidepressant therapies is their slow onset of action.



The first clinical trial to offer evidence of proof of concept of CRF

antagonists in addressing depression was a Phase IIa open label trial conducted

with our NBI-30775 product candidate in 1999. Results from this trial indicated

that NBI-30775 was safe and well tolerated and demonstrated anti-depressant

activity as measured by a widely-accepted depression scale known as the Hamilton

Depression Scores. In this trial, NBI-30775 was administered to 20 patients with

major depressive disorders. Results from the trial, as reported in the Journal

of Psychiatric Research, showed that treatment response, as defined by more than

a 50% reduction in Hamilton Depression Scores, occurred in 50% of the patients

in the low dose group and 80% of the patients in the higher dose group. While

development of NBI-30775 was discontinued by our collaborator Janssen

Pharmaceutica N.V. (Janssen), we continue to be strongly encouraged by these

results, which we believe support the hypothesized mechanism of action.



Our initial CRF antagonist clincial studies were conducted pursuant to

our two collaborations with Janssen. Our first collaboration was in 1995 and led

to the development of NBI-30775. While NBI-30775 appeared to be safe in

Janssen's clinical studies (including the Phase IIa proof of concept study

described above), reversible increases in liver enzymes occurred in two

volunteers in an expanded safety study. As a result, Janssen announced its

decision to discontinue development of NBI-30775. While all collaborative work

under the Janssen agreement was completed in 1998, because of the positive

efficacy results for NBI-30775, Janssen decided to proceed with a back-up

compound identified from the collaborative Janssen/Neurocrine patent portfolio

and funded certain additional work at Neurocrine to identify additional first

generation back-up compounds to NBI-30775 from the same chemical series. This

work was completed in February 2001. Our back-up program agreement provides that

in August 2001 Neurocrine was to receive either a $3.5 million milestone payment

from Janssen or exclusive rights to the first generation back-up compounds. We

agreed to postpone the August event to allow Janssen to complete certain studies

with the back-up program compounds. In March 2002, Janssen notified us that it

had elected to terminate the 1995 and 1999 agreements with us. As a result,

exclusive rights to these first generation CRF antagonist compounds have

reverted to us. We do not expect any additional payments of any kind under the

Janssen agreements.



6





In 1998, we announced that we had initiated a proprietary CRF R1

antagonist program independent of Janssen. This program led to the discovery of

a novel class of second generation CRF R1 antagonist compounds of a chemical

class distinct from the class of compounds that were subject to the Janssen

collaboration. Clinical development of our second generation CRF R1 antagonists

began in December 2000 when we initiated a Phase I clinical program with

NBI-34041, our current lead candidate. Our first study was a Phase I,

randomized, double blind, placebo controlled single dose clinical trial of

NBI-34041. The trial was conducted in normal volunteers and was designed to

evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics over a

range of six escalating doses. The study results indicated no safety issues

which would preclude advancement of the candidate to the next phase of clinical

evaluation.



In July 2001, we announced our second CRF antagonist collaboration, a

worldwide collaboration with GlaxoSmithKline, or GSK, to develop and

commercialize CRF antagonists for psychiatric, neurological and gastrointestinal

diseases. Under the terms of this agreement, Neurocrine and GSK will conduct a

collaborative research program for up to five years and collaborate in the

development of NBI-34041, as well as novel back-up candidates and second

generation compounds identified through the collaborative research. In the

second quarter of 2001, we initiated a Phase I sequential dose escalation study

with three doses of NBI-34041 which has been completed. Data from this study

indicates that NBI-34041 was safe and well tolerated at all doses tested with an

adverse event profile no different than that of the placebo. The future

development of this product candidate will be directed by a joint steering

committee of Neurocrine and GSK and will take into account data from this study.



We face the risk that CRF R1 antagonist compounds may not be effective

and safe therapeutics for the treatment of depression or any other conditions.

In addition, we or GSK may decide not to initiate Phase II clinical testing or

progress to later clinical trials in a timely manner, if at all.



Anxiety. Anxiety is among the most commonly observed group of central

nervous system disorders, which includes phobias or irrational fears, panic

attacks, obsessive-compulsive disorders and other fear and tension syndromes.

The Surgeon General's 1999 Report on Mental Health estimates that anxiety

disorders affect 16.4% of the U.S. adult population. Of the pharmaceutical

agents that other companies currently market for the treatment of anxiety

disorders, benzodiazepines, such as Valium(copyright) and Xanax(copyright), and

the anxiolytic BuSpar(copyright) are the most frequently prescribed. Several

side effects, however, limit the utility of these anti-anxiety drugs. Most

problematic among these are drowsiness, the inability to stand up, amnesia, drug

dependency and withdrawal reactions following the termination of therapy.

Despite the undesirable side effects of the benzodiazepines and the delayed

time-of-onset of BuSpar(copyright), these market leaders collectively achieved

approximately $1.5 billion worldwide in revenues in the year 2000, according to

Med Ad News. In view of significant evidence implicating CRF in anxiety-related

disorders, we are developing small molecule CRF R1 receptor antagonists as

anti-anxiety agents that block the effects of overproduction of CRF. We believe

that these compounds utilize a novel mechanism of action that may offer the

advantage of being more selective, thereby providing increased efficacy with

reduced side effects as compared to benzodiazepines.



As a co-examined variable in the open label Phase IIa clinical trial

for depression described above, Janssen analyzed the anti-anxiety effects of the

CRF R1 receptor antagonist NBI-30775 using the Hamilton Anxiety Scores. Janssen

observed a reduction in Hamilton Anxiety Scores from baseline in both treatment

groups at all times after dosing. In addition, in pre-clinical studies used to

evaluate anti-anxiety drugs, our scientists have demonstrated with statistical

significance that clinical compound candidates from our independent CRF R1

antagonist program are effective following oral administration. We did not

observe any evidence of clinically relevant side effects. These results are

encouraging because they suggest that compounds blocking the CRF R1 receptor may

be effective in treating anxiety-related disorders. Despite these early results,

further clinical studies may fail to demonstrate that CRF R1 antagonists are

safe or effective in addressing anxiety.



IL-4 Fusion Toxin



Interleukin 4, or IL-4, is a natural chemical that modulates cell

growth. Proteins that bind to IL-4, known as IL-4 receptors, are highly

concentrated on the cells of malignant brain tumors as well as many other

cancers, including some types of kidney, lung and breast cancer. Targeted toxins

are a novel form of anticancer therapy under investigation in a variety of

clinical settings. Targeted toxin therapeutics carry a toxin to a target site on

the cancer cells and subsequently kill the cancer cell. Many scientists believe

that targeted toxins have several potential advantages over conventional

chemotherapy in that they are more selective and effective in the treatment of

chemotherapy-resistant cancer cells.



7





In 1998, we exclusively licensed from the National Institutes of

Health, or NIH, a targeted toxin compound, IL-4 fusion toxin, which we call

NBI-3001. A collaboration between the FDA and the National Cancer Institute

designed the IL-4 fusion toxin. It is a combination protein in which IL-4 is

attached to Pseudomonas exotoxin, a toxin that can kill cells. The IL-4 portion

of the fusion toxin preferentially binds to human cancer cells because the

cancer cells express elevated levels of receptors for IL-4 on their surface,

while IL-4 receptor expression is absent or undetectable in normal tissue. Once

the IL-4 portion of the IL-4 fusion toxin targets the toxin to the cancer cells,

the toxin portion of the molecule preferentially kills the cancer cells.



Malignant Glioma. Malignant brain tumors are a significant cause of

cancer death. Despite current therapeutic options such as surgery, radiation and

chemotherapy, according to the American Cancer Society, the median survival rate

for malignant glioma, the most common form of malignant brain cancer, is only in

the range of nine to twelve months. These tumors arise within the brain and

generally remain confined to the brain. The clinical course of malignant glioma

is characterized by relentless loss of vital neurological functions and death

within approximately twelve months. The American Association for Cancer Research

has reported that there has been no improvement in survival for malignant brain

cancer over the past 25 years.



In 1999, we initiated a Phase I/II trial of NBI-3001 in patients with

malignant glioma in which the primary endpoints were to determine safety and the

maximum tolerated dose. A secondary objective was to document therapeutic

effect. We completed this trial in June 2000. We enrolled a total of 31 patients

with recurrent gliomas which were unresponsive to surgery and radiotherapy in

the trial. Our researchers treated patients with intratumoral infusions of

NBI-3001 for up to four days. This trial found NBI-3001 to be safe and to have

an acceptable degree of tolerability in this patient population. While

approximately one-third of the patients exhibited side effects during or

immediately following therapy, these effects were consistent with marked tumor

cell death and the subsequent inflammatory response to this tumor cell death.

The researchers did not observe any significant peripheral drug-related

toxicities. The researchers reported that, of the 27 patients who completed

therapy:



o 7 patients, or 26%, were evaluated at least once during follow-up as

complete remissions, defined as no evidence of viable tumor;



o 10 patients, or 37%, were evaluated at least once during follow-up as

a partial response, defined as greater than 50% reduction in tumor

mass; and



o 10 patients, or 37%, were evaluated at least once during follow-up as

continuing to suffer from stable or progressive disease.



In addition, the six-month median survival data showed trends toward

efficacy. In the fourth quarter of 2000, we initiated an additional Phase II

trial to better establish a dosing regimen, safety and efficacy for Phase III

studies. To date, 30 patients have been enrolled in three dosing groups. These

patients will be followed to evaluate 26-week survival, safety, tolerability and

optimal clinical dose prior to embarking on the Phase III program. We have

selected an acceptable dose for our Phase III program. We have elected to enroll

additional patients in our Phase II study to expand our safety database for the

selected dose and gain data on product manufactured for the Phase III study.



In October 1999, the FDA granted us fast track designation for

NBI-3001. Fast track designation allows us to accelerate our clinical program

for NBI-3001 and expedite receipt of regulatory approvals. In April 2000, we

were awarded orphan drug designation for NBI-3001 for astrocytic glioma. Under

FDA rules, drug developers may obtain orphan drug designation for drugs that

treat a disease or condition that affects fewer than 200,000 people in the

United States per year. Orphan drug designation provides us with seven years of

marketing exclusivity following approval, tax incentives and access to grant

funding. We face the risk that we will not successfully complete clinical

testing or progress to later clinical trials in a timely manner, or at all.



Additional Cancers. In conjunction with our clinical trials of IL-4

fusion toxin in malignant glioma, we entered into a collaborative research and

development agreement with the FDA to investigate the safety and efficacy of

IL-4 fusion toxin in laboratory models of different cancers and by different

routes of administration. Research teams from the FDA and NIH have published

results with IL-4 fusion toxin demonstrating a high level of binding and

destruction of specific types of cancers. We have conducted pre-clinical

research to support the application of NBI-3001 to peripheral solid tumors and

have shown that IL-4 fusion toxin can be safely administered intravenously in

pre-clinical models. We filed an investigational new drug, or IND, application

with the FDA in July 2001 and initiated a Phase I clinical trial in November

2001 to first investigate the safety and efficacy of NBI-3001 against kidney,

non-small-cell lung and breast cancers. These three cancers had a combined

expected incidence in 2001 of approximately 400,000 people in the United States

according to the American Cancer Society.



8





We face the risks that the effectiveness of NBI-3001 seen in our

laboratory models, or the safety profile of NBI-3001 seen in our pre-clinical

models, may not be confirmed in clinical trials or that the results of future

clinical trials may not warrant further development in any of these settings or

that the trial results may not support initiating clinical trials in cancers

other than malignant glioma.



Altered Peptide Ligand



The American Autoimmune Related Diseases Association estimates that

approximately 50 million people in the United States suffer from autoimmune

diseases such as multiple sclerosis, rheumatoid arthritis, Type 1 diabetes,

systemic lupus erythematosus and thyroiditis. Scientists believe that the body's

immune system causes these diseases. The immune system protects an individual

from disease agents, such as viruses, by recognizing and destroying those

foreign substances using specialized blood cells, called lymphocytes.

Occasionally, however, certain lymphocytes arise that inappropriately recognize

the body's own tissues as an invader and begin to attack normal healthy tissue,

resulting in an autoimmune disease like Type 1 diabetes. While the mechanism

through which the lymphocyte initiates the autoimmune disease is still unknown,

the development of drugs that specifically suppress the action of self-reactive

lymphocytes or restore the function of regulatory cells may prove advantageous

for the prevention, cure or treatment of an autoimmune disease.



One type of lymphocyte involved in the immune response to self or

foreign substances is the T cell. T cells detect antigens, which are foreign

substances, such as viruses, bacteria or other proteins the T cell recognizes as

foreign. T cells recognize these antigens and destroy them. Experiments

conducted by our scientists determined that specific amino acid residues within

a peptide sequence of an antigen are required for T cell recognition and

subsequent cellular activation. Scientists can specifically alter the structure

of such a peptide fragment so that it will not properly activate the T cell.

This altered peptide ligand can thus prevent the T cell from destroying its

target, or in the case of an autoimmune reaction, prevent the T cell from

destroying the healthy tissue.



Multiple Sclerosis. Multiple sclerosis is a chronic autoimmune disease

characterized by recurrent attacks of neurologic dysfunction due to damage in

the central nervous system. The classic clinical features of multiple sclerosis

include impaired vision and weakness or paralysis of one or more limbs. Patients

develop a slow, steady deterioration of neurologic function over an average

duration of approximately 30 years. According to the National Multiple Sclerosis

Society, there are between 250,000 and 350,000 cases of multiple sclerosis in

the United States and a similar number of patients in Europe. Currently

available treatments for multiple sclerosis offer only limited efficacy. Doctors

often prescribe steroids to reduce the severity of acute flare-ups and speed

recovery. Experimental therapy with other immune-suppressive agents has shown

limited success. Nevertheless, worldwide sales of multiple sclerosis therapies

reached $1.8 billion in 2000.



Our co-founder, Dr. Lawrence Steinman, identified one of the dominant

destructive T cell types in the brains of patients who had died of multiple

sclerosis. Dr. Steinman further identified one of the dominant antigens on the

normal cell targeted by the autoreactive T cells, a peptide from a brain protein

know as myelin basic protein. We designed a novel altered peptide ligand based

on myelin basic protein that would target the autoreactive T cells that cause

neurological damage in multiple sclerosis. Together with Novartis

Pharmaceuticals Corporation, our former collaborative partner for this program,

we filed an IND with the FDA and received approval in 1996 to commence clinical

trials. We subsequently initiated clinical development of our altered peptide

ligand for the treatment of multiple sclerosis, NBI-5788, in 1999.



We have completed one Phase I and two Phase II trials of NBI-5788 in

patients with a recurring form of multiple sclerosis. One of these trials was a

multi-center, placebo-controlled, randomized, parallel design study in which

patients received one of three doses of NBI-5788, and the other was an open

label, unblinded, non-placebo-controlled study in eight patients conducted in

collaboration with the NIH. While allergic reactions were seen in some patients

in these trials, suggesting that optimal dosing may be at lower levels than

those selected for the trials, of the patients completing the placebo controlled

study, the total volume of enhancing lesions was reduced in the lowest dose

group compared to the placebo control. Moreover, in this study 57% of the

patients in the lowest dose group experienced reductions in the volume of new

enhancing lesions compared to 25% in the placebo group. In the open label study,

a higher incidence of new brain lesions was found in two patients who received

the highest dose and the one patient who received the low dose. As a result, the

trial was stopped.



We plan to initiate a confirmatory efficacy trial to determine the

optimal dose and frequency of administration. Our aim for future trials will be

to further establish the benefit of low-dose altered peptide ligand therapy in

patients with multiple sclerosis. We face the risks that we may not initiate or

complete additional clinical trials or that results of any such studies may not

warrant additional clinical development of potential products.



9





Type 1 Diabetes. Utilizing our experience in the development of altered

peptide ligands for multiple sclerosis, we have extended this approach to Type 1

or juvenile-onset diabetes, which is a metabolic disease in which the body does

not produce enough insulin. Like multiple sclerosis, in Type 1 diabetes the

immune system erroneously targets healthy tissue, in this case the pancreatic

cells responsible for the production of insulin. According to the International

Diabetes Federation, Type 1 diabetes is one of the most prevalent chronic

childhood conditions in North America, afflicting approximately one million

patients in 2000. Diabetics often suffer from a number of complications of the

disease including heart disease, circulatory problems, kidney failure,

neurologic disorders and blindness. Current therapy for Type 1 diabetes consists

of daily insulin injections to regulate blood glucose levels.



We believe that an altered peptide ligand specific for autoimmune T

cells involved in diabetes may stop the destruction of the insulin-secreting

cells in early onset Type 1 diabetic patients, thus allowing them to delay or

avoid chronic insulin therapy. Working with leading diabetologists at the

Barbara Davis Center for Childhood Diabetes at the University of Colorado, our

scientists have engineered an altered peptide ligand that affects immune cells

targeting the pancreas. In pre-clinical studies, this altered peptide ligand,

NBI-6024, was capable of eliciting a protective immune response and reducing the

incidence of diabetes. In addition, experiments using immune cells derived from

the blood of Type 1 diabetes patients indicate that patients' immune cells

recognize NBI-6024. This suggests that NBI-6024 may have the potential to

intervene in the disease process in humans. We have completed four Phase I/IIa

safety and dose escalating clinical trials in approximately 100 diabetic

patients. Data from these trials indicates that NBI-6024 is safe and well

tolerated. We and Taisho initiated a Phase IIb clinical program in the fourth

quarter of 2001. The first trial in this Phase IIb clinical program is a

randomized, double blind, placebo-controlled, multi-center, multi-national study

in adolescent and adult patients with new onset Type 1 diabetes. This study will

involve approximately 40 medical sites in the United States, Canada, Europe and

South America and enroll approximately 400 patients. The United States sites

will be initiated following completion of the United States Phase I/II studies.



In 2000, we entered into agreements with Taisho providing them with

worldwide rights to NBI-6024. Pursuant to the collaboration agreements, we will

receive licensing and option fees, payments for certain development and

regulatory milestones, significant reimbursement of worldwide development

expenses and payments based on sales.



We face the risks that we may not initiate or complete additional

clinical trials or that results of any such studies may not warrant additional

clinical development of NBI-6024.



GnRH Antagonist



Gonadotropin-releasing hormone, or GnRH, is a brain peptide that

stimulates the secretion of the pituitary hormones that are responsible for sex

steroid production and normal reproductive function. Researchers have found that

chronic administration of GnRH agonists reversibly shuts down, or antagonizes,

this transmitter pathway and is clinically useful in treating hormone-dependent

diseases such as prostate cancer and endometriosis. Other companies have

developed several peptide drugs on this principle, such as Lupron(copyright) and

Zoladex(copyright), and according to market analyst reports by Med Ad News, the

annual worldwide sales in 2000 for these drugs were approximately $2.5 billion.

These drugs are peptide agonist and must be administered by injection rather

than taken orally. In addition, these types of agonists take up to several weeks

to exert their effect, a factor not seen with direct gonadotropin-releasing

hormone antagonists, and until these drugs exert their effects, they have shown

a tendency to exacerbate the condition.



We believe that there is a large potential market for an orally

delivered gonadotropin-releasing hormone antagonist that does not have the

tendency to initially exacerbate the patient's condition. We selected a lead

clinical candidate in early 2001 and initiated our Phase I clinical program in

November 2001. We face the risk that clinical studies may show different results

than our pre-clinical studies or that clinical trials may show that our GnRH

antagonist product candidates are not safe or effective.



We plan to focus our clinical efforts on prostate cancer and in the

area of women's health, including endometriosis and uterine fibroids. According

to the Endometriosis Association, researchers believe that more than five

million women in the U.S. and Canada are affected by chronic endometriosis. Of

those afflicted, approximately 200,000 patients are treated in a hospital

setting, and approximately 250,000 are treated in an outpatient setting,

according to a 1998 National Patient Profile audit. We believe that the

availability of an oral treatment lacking the side effect profile of the

currently available peptide agonists may be an alternative to surgery and

encourage a higher treatment rate. We also believe our drug will have utility on

the treatment of prostate cancer, of which there are expected to be

approximately 200,000 new cases in 2001 in the U.S., according to the American

Cancer Society.



10





Research



Excitatory Amino Acid Transporters



Some of the most successful central nervous system drugs, including

selective serotonin reuptake inhibitors such as Prozac(copyright), selectively

target brain amino acid transporters. Similarly, we are targeting a set of

proteins generally located in the brain which transport brain chemicals in and

out of cells, called excitatory amino acid transporters, to selectively control

the levels of a brain chemical called glutamate in order to produce a

therapeutic benefit in disorders where glutamate levels are abnormal such as

head trauma, schizophrenia, Lou Gehrig's Disease and other neurodegenerative and

psychiatric disorders.



We are collaborating with Wyeth-Ayerst to control glutamate transporter

function as a novel strategy for the treatment of neurodegenerative and

psychiatric disorders. Our collaboration includes basic research to understand

the function and regulation of the transporters, along with the identification

and characterization of chemical and biological leads. We face the risks that we

may be unable to demonstrate that these excitatory amino acid transporters are

therapeutic targets or that we may fail to identify any product candidates for

pre-clinical or subsequent clinical development.



In 2000, we expanded our excitatory amino acid transporter research and

initiated a research program focused on retinal cell death associated with

damage from low blood flow. The NIH awarded us a research grant to fund our work

to identify novel compounds for the alleviation of neuronal cell death in

response to a wide range of conditions including diabetic induced nerve damage,

glaucoma and other circulatory conditions of the eye. This work is independent

of our collaboration with Wyeth-Ayerst.



CRF R1 Antagonist



Recent reports have suggested that CRF plays a role in the control or

modulation of the gastrointestinal system. Studies have demonstrated that

central administration of CRF acts in the brain to inhibit emptying of the

stomach while stimulating bowel activity, and suggest that overproduction of CRF

in the brain may be a main contributor to stress-related gastrointestinal

disorders.



Irritable bowel syndrome is a gastrointestinal inflammatory disease

that affects between 10% to 20% of American adults, according to the

International Foundation for Gastrointestinal Disorders. Irritable bowel

syndrome can be a lifelong, intermittent disease, involving chronic or recurrent

abdominal pain and frequent diarrhea or constipation, or both. Some patients

with irritable bowel syndrome report the onset of symptoms of the disease

following a major life stress event, such as death in the family, which suggests

that the causes of irritable bowel syndrome may be related to stress. In

addition, most irritable bowel syndrome sufferers also experience anxiety and

depression. Since researchers believe that CRF is the primary mediator of

stress, they have suggested that CRF R1 antagonists may provide a treatment for

irritable bowel syndrome. Together with GSK, we are evaluating our proprietary

CRF R1 antagonists for treatment of irritable bowel syndrome. We face the risks

that pre-clinical studies may not warrant initiating clinical testing of these

candidates or that any initial clinical data may not support continuation of the

program and additional clinical trials.



CRF R2 Antagonist



Our scientists were the first to isolate a second CRF receptor, called

CRF R2. We believe the distribution of CRF R2 in the brain suggests that CRF R2

could play a role in some forms of anxiety and some eating disorders. Our

researchers have demonstrated that administration of a CRF R2 antagonist reduces

measures of anxiety in studies of obsessive compulsive disorder and conditioned

fear. We are also evaluating our proprietary CRF R2 antagonist for treatment of

a variety of eating disorders. We have screened our small molecule library and

conducted exploratory chemistry to identify a new series of compounds to undergo

further study. We face the risks that our work in this area will not lead to

clinical candidates or that clinical trials will not find our candidates to be

safe and effective.



11





Urocortin/CRF R2 Agonist



CRF R2 agonists may represent a therapeutic strategy to elevate CRF and

a related neuropeptide called urocortin. Preliminary data indicates that CRF and

urocortin may act as central regulators of both appetite and metabolism. We have

evaluated CRF R2 agonists in various models of obesity and have observed reduced

food intake and weight loss. In 1996, we initiated a collaboration with Eli

Lilly which included a three year funded research program to screen and optimize

CRF R2 agonists. In October 1999, the funded research portion of the program was

completed as scheduled and Eli Lilly has retained control of the program and

exclusive rights to the compounds. We face the risks that Eli Lilly may not

initiate further research and that, if they do, the research may not identify

suitable candidate compounds for development in a timely manner, or at all.



Melanocortin Receptor Agonist/Antagonist



Melanocortin receptors are proteins on the surface of cells which help

regulate some body functions such as eating and skin color. To date, researchers

have identified a family of five melanocortin receptor subtypes. Recently,

researchers discovered that one of the melanocortin receptor subtypes, subtype

4, plays an important role in the mechanism regulating appetite, body weight and

insulin secretion. The subtype 4 receptor is activated by melanocyte stimulating

hormone (MSH). When melanocyte stimulating hormone is injected into the brain,

it reduces food intake and body weight. Responses have included the apparent

increase in basal metabolic rate and lowering of serum insulin levels. We

believe that an orally active subtype 4 agonist may produce the same effects

and, thus, may provide a novel approach to the treatment of obesity or diabetes.

On the other hand, the subtype 4 receptor is deactivated by AGRP. AGRP has been

shown to have the reverse effect of MSH, increasing food intake over a sustained

period of time after a single brain injection and this observation has prompted

significant interest in diseases such as cancer and AIDS related cachexia as

well as failure to thrive in infants. For these reasons, we are also studying

subtype receptor antagonists and agonists and have discovered novel, potent and

selective compounds that are now being evaluated in relevant animal models.

However, these compounds may fail to progess beyond the research phase, and we

face the risk that our melanocortin research will not lead to product

candidates.



Melanin Concentrating Hormone Antagonist



Recent studies suggest that melanin concentrating hormone (MCH) plays a

role in regulating eating behavior. Based on these findings, we believe that

blocking the effect of melanin concentrating hormone with a small molecule

antagonist may represent a novel approach to the treatment of obesity.

Neurocrine has initiated a research effort to identify small-molecule,

orally-active compounds which will block the activity of MCH at its receptor. We

believe that these compounds may provide a novel therapeutic strategy for

treating obesity and related disorders. We face the risk that our research in

this area will not lead to product candidates.



Hypocretin Agonist/Antagonist



Hypocretins are peptides that researchers have linked to a variety of

activities, including the control of eating, cardiovascular regulation and water

intake. Recent publications have also reported that hypocretins appear to have a

critical role as regulators of sleep. Some studies point to a lack of hypocretin

as being instrumental in the development of narcolepsy and suggest that a small

molecule agonist may be able to offset the lack of hypocretin and provide

therapy for narcolepsy. The hypocretin system may also contribute to the

regulation of other sleeping disorders such as insomnia, particularly since

administration of excess hypocretin into animals promotes wakefulness. We have

screened our small molecule library to identify agonists and antagonists for the

hypocretin receptors and are in the process of optimizing the compounds that

resulted from these screens. We will be using these compounds to further

characterize the hypocretin system. We face the risk that our research in this

area will not lead to product candidates.



CCR7



Chemokine receptors are necessary for developing immune responses to

viruses or bacterial infections. However, in some cases an inappropriate immune

response to the body's own tissues is created, resulting in autoimmune diseases

such as rheumatoid arthritis, diabetes, or multiple sclerosis. The chemokine

receptor CCR7 has been shown in mice experiments to be critical for developing

these immune responses. We have initiated a research effort to identify

orally-active compounds which will block CCR7. These compounds may provide a

novel therapeutic strategy for treating rheumatoid arthritis, diabetes, or

multiple sclerosis.



12





Our Discovery Technology



We utilize a proprietary approach to small molecule drug design that we

refer to as multi-channel technology.



Our Multi-Channel Discovery. The advent of molecular biology,

culminating recently in the cloning of the human genome, has opened up a vast

array of receptors as potential targets for drug discovery. Over the past ten

years numerous new technologies have been developed to try to speed the

identification of small molecule drugs. These technologies have mainly relied on

the creation of large chemical libraries utilizing combinatorial chemistry,

automated synthesis of compounds and ultra-high throughput screening machines to

test hundreds of thousands of compounds against a particular receptor. While we

utilize all of these technologies, we have taken the science to the next step,

one we call Multi-Channel Discovery, or MCD(TM).



MCD is driven by the power of traditional medicinal chemistry

accelerated by a suite of computational methodologies that guide the synthesis

of highly active small molecules. At the core of MCD is our development of a

virtual library containing over 100 million molecules. Utilizing this "universe"

of compounds our chemists sequentially apply computer generated molecular

screens to filter compounds that will bind to the desired receptor. The unique

feature of MCD is that chemists are no longer constrained by the physical

properties of a particular compound but rather are free to work with thousands

of shapes and charges to design compounds that will fit onto the receptor

target.



The power of MCD however, lies not in its application to a single

receptor as a drug target but in the database of compounds that are

characterized and isolated for the next target from the same class of receptors.

Our current focus is on the most attractive receptor class in the pharmaceutical

industry, G-protein-coupled receptors. MCD is not a static process, but one that

becomes more powerful, more predictive, and more efficient with each subsequent

use. It is an artificial intelligence system applied to drug design.



In connection with our multi-channel technology, we utilize other

advanced technologies to enhance our drug discovery capabilities and to

accelerate the drug development process. These technologies include:



High-Throughput Screening. We have assembled a chemical library of

diverse, low molecular weight organic molecules for lead compound identification

and we have implemented robotics screening capabilities linked to our library of

compounds that facilitate the rapid identification of new drug candidates for

multiple drug targets. In addition, we have designed a 10,000-compound library

focused on some of our molecular targets. We believe that our utilization of

high-throughput screening and medicinal and peptide chemistry will enable us to

rapidly identify and optimize lead molecules.



Molecular Biology. Our scientists utilize novel techniques to examine

gene expression in a variety of cellular systems. We have developed a

sophisticated technique to evaluate the type and quantity of genes in various

cellular systems prior to the isolation of genes. We have also developed unique

expression vectors and cell lines that allow for the highly efficient protein

expression of specific genes.



Our drug discovery program creates a significant amount of genetic

sequence information. We have developed a bioinformatics system, which we

believe will allow us to identify novel genes involved in neurodegeneration. We

collect data with automated instruments, and we store and analyze the data using

customized computational tools.



Gene Sequencing. We apply integrated automated DNA sequencing and gene

identification technology in our drug discovery program, enabling us to perform

extended gene analysis in a rapid, high-throughput format with independent

linkage into a sequence identification database. We have optimized gene

sequencing instrumentation for differential display, a technique that may

facilitate the rapid identification of novel genes.





Our Business Strategy



Our goal is to become the leading therapeutic product-based

biopharmaceutical company focused on neurologic and endocrine diseases and

disorders. There are six key elements to our business strategy:





13





Build a Large and Diversified Product Portfolio to Mitigate Overall

Clinical and Technical Risk. We believe that by building a large and diverse

product pipeline, we can mitigate some of the risks associated with drug

development. We currently have 15 programs in various stages of research and

development, with seven projects in clinical development and eight research

projects to supply clinical compounds for the future. We take a portfolio

approach to managing our pipeline that balances the size of the market

opportunities with clear and defined clinical and regulatory paths to approval.

We do this to ensure that we focus our internal development resources on

innovative therapies with high probabilities of technical and commercial

success.



Identify Novel Drug Targets for the Development of Innovative Therapies

to Address Large Unmet Market Opportunities. We seek to identify and validate

novel drug targets for internal development or collaboration. For example, the

novel drug candidates we have identified to regulate CRF, which is believed to

be the central mediator of the body's stress response, may represent the first

new breakthrough for anxiety and depression in over 20 years.

Gonadotropin-releasing factor antagonists, compounds designed to reduce the

secretions of sex steroids, may represent the first novel non-injectible means

of treatment of prostate cancer and endometriosis. Melanocortin and hypocretin

modulators are compounds which affect proteins in the brain believed to be

involved in many activities of the body. We believe these compounds build upon

our franchise and expertise in obesity and sleep disorders. The creativity and

productivity of our discovery research group will continue to be a critical

component for our continued success. Our team of approximately 105 biologists

and chemists has a goal of delivering three innovative clinical compounds over

the next five years to fuel our research and development pipeline.



Establish Corporate Collaborations with Global Pharmaceutical Companies

to Assist in the Development of Our Products and Mitigate Financial Risk While

Retaining Significant Commercial Upside. We leverage the development, regulatory

and commercialization expertise of our corporate collaborators to accelerate the

development of our potential products while typically retaining co-promotional

rights, and at times commercial rights, in North America. We intend to further

leverage our resources by continuing to enter into strategic alliances to

enhance our internal development and commercialization capabilities. We

currently have strategic alliances with:



o GlaxoSmithKline, for second generation corticotropin-releasing factor

receptor antagonists to treat anxiety and depression and irritable

bowel syndrome;



o Wyeth-Ayerst, for compounds to treat neurodegenerative and psychiatric

diseases;



o Taisho, for compounds to treat Type 1 diabetes, in which the body does

not produce enough insulin; and



o Eli Lilly, for treatments of central nervous system disorders,

including obesity.





Acquire Rights to Complementary Drug Candidates. We plan to continue to

selectively acquire rights to products in various stages of development to take

advantage of our drug development capabilities. For example, in May 1998, we

licensed from the NIH an IL-4 fusion toxin which is currently in Phase II

clinical trials for recurrent malignant glioma, as well as kidney, lung and

other cancers. In May 1998, we acquired Northwest NeuroLogic, Inc. and thereby

considerably expanded our research pipeline. Through this acquisition, we

acquired the technology and intellectual property rights surrounding excitatory

amino acid transporters, a portion of which is now in collaboration with

Wyeth-Ayerst. We also acquired from Northwest NeuroLogic, Inc. intellectual

property relating to melanocortin technology and other technologies that we are

developing. In June 1998, we licensed exclusive worldwide commercial rights for

NBI-34060, our compound for the treatment of insomnia, from DOV Pharmaceuticals,

Inc. and have since moved this compound into advanced clinical development.



Supplement Our Internal Research Capabilities by Collaborating with

Leading Platform Technology Companies. We believe we can complement our

multidisciplinary research process by selectively accessing new technologies

from platform technology companies. Through creative collaborations with

technology leaders, we believe we can accelerate and expand our internal

discovery efforts. We have entered into a number of alliances with other

platform technology companies to enhance our drug discovery and development

capabilities. The most recent of these is our alliance with MediChem Life

Sciences to crystallize the CRF1 receptor to aid in design of a new class of CRF

blockers.



Outsource Capital Intensive and Non-Strategic Activities. We intend to

focus our resources on research and development activities by outsourcing our

requirements for clinical drug supply and certain pre-clinical studies and

clinical monitoring activities. We believe the availability of skilled contract

manufacturers and contractors will allow us to cost-effectively meet these needs

and thereby allow us to concentrate our full attention and resources on our core

discovery and development programs to generate additional product opportunities.



14





Our Strategic Alliances



One of our business strategies is to utilize strategic alliances to

enhance our development and commercialization capabilities. To date, we have

formed the following alliances:



GlaxoSmithKline. In July 2001, we announced a worldwide collaboration

with GSK to develop and commercialize CRF antagonists for psychiatric,

neurological and gastrointestinal diseases. Under the terms of this agreement,

Neurocrine and GSK will conduct a collaborative research program for up to five

years and collaborate in the development of our current lead compounds, as well

as novel back-up candidates and second generation compounds identified through

the collaborative research. In addition, Neurocrine will be eligible to receive

milestone payments as compounds progress through the research and development

process, royalties on future product sales and co-promotion rights in the U.S.

under some conditions. GSK may terminate the agreement at its discretion upon

prior written notice to us. In such event, we may be entitled to certain

payments and all product rights would revert to us. The total collaborative

value of the GSK collaboration is the largest in Neurocrine's history. As of

December 31, 2001, we have recorded revenues of $667,000 in license fees, $15.5

million in milestone payments, $2.7 million in sponsored research and

development and $390,000 in reimbursement of development costs. In addition, we

have $6.9 million of deferred license fees and sponsored research revenues that

will be amortized over the life of the agreement and as services are performed,

respectively.



Taisho Pharmaceutical Co., Ltd. In December 1999, we entered into an

agreement with Taisho, providing to them an exclusive option to obtain European,

Asian and North American development and commercialization rights for our

altered peptide ligand product, NBI-6024, for Type 1 diabetes in exchange for a

$2.0 million option fee. In July 2000, Taisho exercised its option as to Europe

and Asia, and in December 2000, Taisho exercised its option as to North America.

Together with Taisho, we formed a steering committee to oversee the worldwide

development of NBI-6024. We will receive license fees, milestone payments, and

reimbursement of 100% of worldwide development expenses. In addition, we will

receive payments on product sales for the term of the patents covering NBI-6024,

subject to adjustment for payments to third parties. Taisho may terminate the

agreement at its discretion upon prior written notice to us. In such event, all

product rights would revert to us. As of December 31, 2001, we have recorded

revenues of $2.0 million for the exclusive option, $1.1 million in license fees,

$9.5 million in milestone payments, $2.9 million in sponsored research and $8.3

million in reimbursement of development costs. In addition, we have $2.9 million

of deferred license fees and sponsored research revenues that will be amortized

over the life of the agreement and as services are performed, respectively.



Wyeth-Ayerst Laboratories. Effective January 1999, we entered into a

collaboration and license agreement with Wyeth-Ayerst relating to the research,

development and commercialization of compounds that control excitatory amino

acid transporters for the treatment of neurodegenerative and psychiatric

diseases. We have granted Wyeth-Ayerst exclusive and non-exclusive rights to

different portions of our excitatory amino acid transporters technology as well

as exclusive rights to any products developed during the collaboration. These

licenses are for the term of the patents licensed. We will receive royalties on

product sales for the terms of the patents covering the collaboration products,

subject to adjustments for royalties payable to other parties and for

competition. We will also receive royalties for products that are not the

subject of issued patents. Under certain conditions, we have the option to

co-promote collaboration products in Canada and the United States. Wyeth-Ayerst

may terminate the agreement if they decide that the research is not successful,

if they decide to stop the program or if we are acquired by another company. The

agreement may also be terminated by either party for the other party's failure

to meet its obligations under the agreement or bankruptcy. As of December 31,

2001, we have received payments and recognized a total of $12.4 million under

the Wyeth-Ayerst agreement, consisting of $9.0 million in sponsored research and

$3.4 million in milestone payments.



The three-year term of the sponsored research under the Wyeth-Ayerst

agreement was scheduled to terminate January 1, 2002, but in December 2001, we

and Wyeth-Ayerst agreed to extend the term of the sponsored research for a

period of three months during which time we and Wyeth-Ayerst will discuss a

further extension. In connection with the three-month extension, we received

$375,000 of sponsored research funding.



Eli Lilly and Company. In October 1996, we entered into a research and

license agreement with Eli Lilly to collaborate in the discovery, development

and commercialization of CRF binding protein ligand inhibitors for the treatment

of central nervous system disorders including obesity and dementias, such as

Alzheimer's disease, and CRF R2 agonists for central nervous system diseases and

disorders. Under the agreement, we received and recognized three years of

sponsored research and development payments totaling $17.2 million. We also are





15





entitled to milestone payments for certain development and regulatory

accomplishments. We will have the option to receive co-promotion rights and

share profits from commercial sales of select products that result from the

collaboration in the U.S. or receive royalties on U.S. product sales. We will

receive royalties on product sales for the rest of the world.



In October 1999, the funded portion of the research program concluded

as scheduled and, to our knowledge, Eli Lilly is not planning any specific

future development efforts, and we do not expect to receive any additional

payments under this agreement.



Janssen Pharmaceutica, N.V. In January 1995, we entered into the first

of two research and development agreements with Janssen to collaborate in the

discovery, development and commercialization of small molecule CRF R1

antagonists for the treatment of anxiety, depression and substance abuse. Under

the January 1995 agreement, Janssen funded three years of research at Neurocrine

and received exclusive licenses to all CRF R1 antagonist compounds developed

during the term of the funded research or during the year thereafter. The

collaborative research portion of the first Janssen agreement was completed as

scheduled in 1997. In September 1999, together with Janssen, we entered into an

amended agreement to expand the collaborative research and development efforts

to identify additional small molecule CRF antagonists for the treatment of

psychiatric disorders. In connection with the amended Janssen agreement, we

received an initial payment and two years of additional research funding for our

scientists working in collaboration with Janssen. All collaboration products

identified under the 1999 agreement are subject to the same terms and conditions

as the products arising under the 1995 agreement. This additional research was

completed in February 2001. Our 1999 agreement provides that in August 2001

Neurocrine was to receive either a $3.5 million milestone payment from Janssen

or exclusive rights to the first generation back-up compounds. We agreed to

postpone the August event to allow Janssen to complete certain studies with the

back-up program compounds. In March 2002, Janssen notified us that it had

discontinued development of the backup compound and elected to terminate both

the 1995 and 1999 agreements. As a result, exclusive rights to all of the first

generation CRF R1 antagonist compounds developed thereunder reverted to us. We

do not expect any additional payments of any kind under the Janssen agreement.



As of December 31, 2001, we have received and recognized a total of

$21.1 million, including $14.7 million in sponsored research, $3.5 million in

milestones, $2.0 million in license fees and $943,000 for reimbursement of

outside costs under these agreements. In connection with the 1995 agreement,

Johnson & Johnson Development Corporation purchased $5.0 million of our common

stock.



Risks Related to Our Strategic Alliances. We face the risks that we or

any of the above collaborators may not be successful in research and drug

discovery, that any pre-clinical and clinical drug candidates arising from the

collaborations may not generate commercial product candidates that have viable

clinical, regulatory and intellectual property profiles or that any commercial

products arising from any of these collaborations may not enjoy market

acceptance. Therefore, we may never receive any milestone payments or royalty

income under any of our collaboration agreements.





Intellectual Property



We seek to protect our lead compounds, compound libraries, expressed

proteins, synthetic organic processes, formulations, assays, cloned targets,

screening technology and other technologies by filing, or by causing to be filed

on our behalf, patent applications in the United States and abroad. We have 13

issued U.S. patents, approximately 60 pending U.S. patent applications and

another approximately 140 issued and pending foreign patents and applications.

We have licensed, from institutions such as The Salk Institute, Stanford

University, Oregon Health Sciences University, DOV Pharmaceuticals, Inc. and

others the rights to an additional 30 issued U.S. patents, 20 pending U.S.

patent applications, and 50 issued and pending foreign filings. Two of our

European patents are subject to opposition proceedings. These proceedings relate

to our broad patent covering immune therapeutics in diabetes and multiple

sclerosis. If successful, these opposition proceedings could reduce the breadth

of some of our proprietary rights, but we believe they would not materially

impede our commercialization strategy. We face the risk that one or more of the

above patent applications may be denied. We also face the risk that our issued

patents may be challenged or circumvented or may otherwise not provide

protection for any commercially viable products we develop.



The technologies we use in our research, as well as the drug targets we

select, may unintentionally infringe the patents or violate the proprietary

rights of third parties. If this occurs, we may be required to obtain licenses

to patents or proprietary rights of others in order to continue with the

commercialization of our products. We are aware of a European patent application





16





controlled by another company, which if granted in its broadest scope and held

to be valid, could impact the commercialization of our modified release insomnia

formulation in Europe unless we obtain a license, which may not be available to

us. We are also aware of pending and issued patent claims to melanin

concentrating hormone ligand and receptor, the hypocretin ligand and receptor

and certain uses of melanocortin subtype 4 agonists. We are conducting research

in all of those areas and may ultimately need to license those patents in order

to proceed. In addition, we are aware of a U.S. patent relating to IL-4

proteins that is controlled by another entity which, if construed very broadly,

and if valid as so construed, could prevent us from commercializing our IL-4

fusion toxin products in the United States unless we obtain a license, which may

not be available to us on commercially reasonable terms, or at all. We do not

believe that our research and development activities as currently conducted

infringe any valid issued patents.



NBI-34060, our leading gamma amino-butyric acid agonist compound for

the treatment of insomnia, is covered generically in an issued U.S. patent,

which we licensed from DOV Pharmaceuticals, Inc. The term of the U.S. patent is

due to expire in June 2003. NBI-34060 is not currently covered by any foreign

patents of which we are aware. We intend to seek additional protection of this

compound in three ways. First, we have filed nine U.S. and foreign patent

applications directed to the synthesis, formulations and various forms of

NBI-34060, which could extend patent protection to the year 2020. We face the

risk that these patents may not issue, or may subsequently be challenged

successfully. Second, patent term extension under the Hatch/Waxman Patent Term

Extension Act may add patent life in the U.S. beyond the June 2003 expiration,

depending on the length of clinical trials and other factors involved in the

filing of a new drug application. Third, in addition to this potential patent

protection, the United States, the European Union and Japan all provide data

protection for new medicinal compounds. If this protection is available, no

competitor may use the original applicant's data as the basis of a generic

marketing application during the period of data protection. This period of

exclusivity is five years in the United States, six years in Japan and six to

ten years in the European Union, measured from the date of FDA, or corresponding

foreign, approval.





In-Licensed Technology



We have in-licensed the following technologies to complement our

ongoing clinical and research programs. Most of these licenses extend for the

term of the related patent and contain customary royalty, termination and other

provisions.



o In June 2001, we licensed nonexclusive rights to the BON cell line

from the University of Texas Medical Branch.



o In May 2001, we licensed nonexclusive rights to a murine CCR7

expressing cell line from Public Health Service.



o In March 2001, we licensed nonexclusive rights to a saoS-2 cell line

from The Sloan-Kettering Institute for Cancer Research.



o In March 2001, we licensed a HERG cell line from Wisconsin Alumni

Research Foundation.



o In October 2000, we licensed nonexclusive rights to several GT1-cell

lines from The Salk Institute.



o In August 2000, we licensed nonexclusive rights to CRF R1 deficient

mice from the Research Development Foundation.



o In July 2000, we licensed exclusive rights to melanocortin subtype 3

receptor knock-out mice from Oregon Health Sciences University.



o In August 1999, we licensed nonexclusive rights to the human

gonadotropin-releasing hormone receptor from Mount Sinai School of

Medicine.



o In January 1999, we licensed exclusive worldwide rights to patents

relating to excitatory amino acid transporters and melanocortin from

Oregon Health Sciences University.



o In December 1998, we licensed nonexclusive rights to technology

covering melanocortin subtype 4 from the University of Michigan.



o In June 1998, we licensed exclusive worldwide rights to our sedative

compound, NBI-34060, from DOV Pharmaceuticals, Inc.



o In May 1998, we licensed exclusive worldwide rights to patents

covering NBI-3001, our IL-4 fusion toxin, from the National Institutes

of Health and inventors Ira Pastan and David Fitzgerald.



o In October 1997, we licensed co-exclusive rights to technology

relating to the prevention of diabetes from University Technology

Corporation.



17





o In November 1996, we licensed exclusive worldwide rights to technology

directed to peptide therapeutics for the treatment of autoimmune

disease from the Trustees of Dartmouth College.



o In November 1994, we licensed exclusive worldwide rights to technology

relating to treatment of multiple sclerosis using peptide analogs of

myelin basic protein from Stanford University.



o In November 1993, we licensed exclusive worldwide rights to CRF R1

from the Salk Institute for Biological Studies.



Manufacturing



We currently rely, and will continue to rely for at least the next few

years, on contract manufacturers to produce sufficient quantities of our product

candidates for use in our pre-clinical and anticipated clinical trials.

Manufacturers of our NBI-34060 clinical trial material include Organichem

Corporation, Pharmaceutics International, Inc. and Patheon, Inc. Polypeptide

Laboratories, Bachem, Cook Pharmaceutical Solutions, Pyramid Laboratories and

Prima Pharm Inc. manufacture our altered peptide ligands NBI-6024 and NBI-5788.

Cedarburg Pharmaceuticals, Albany Molecular Research and Pharmaceutics

International, Inc. manufacture our CRF antagonist compounds. MediChem and

Pharmaceutics International, Inc. manufacture our GnRH antagonist compounds.

Manufacturers of our NBI-3001 clinical trial material include Diosynth and

Charles River Laboratories.



There is currently a limited supply of some of these components.

Furthermore, the contract manufacturers that we have identified to date only

have limited experience at manufacturing, formulating, analyzing and packaging

our product candidates in quantities sufficient for conducting clinical trials

or for commercialization.



If we are unable to establish and maintain relationships with third

parties for manufacturing sufficient quantities of our product candidates and

their components that meet our planned time and cost parameters, it could delay

the development and timing of our clinical trials.





Marketing and Sales



We currently have no sales, marketing or distribution capabilities. In

order to commercialize any of our product candidates, we must either internally

develop sales, marketing and distribution capabilities or make arrangements with

third parties to perform these services. We intend to sell, market and

distribute some products directly and intend to rely on relationships with third

parties to sell, market and distribute other products. Under our collaboration

agreements with GSK, Wyeth-Ayerst, Taisho and Eli Lilly, we may have the

opportunity to co-promote some of our products in the United States. To market

any of our products directly, we must develop a marketing and sales force with

technical expertise and with supporting distribution capabilities, none of which

we currently have.





Government Regulation



Regulation by government authorities in the United States and foreign

countries is a significant factor in the development, manufacture and marketing

of our proposed products and in our ongoing research and product development

activities. All of our products will require regulatory approval by government

agencies prior to commercialization. In particular, human therapeutic products

are subject to rigorous pre-clinical studies and clinical trials and other

approval procedures of the FDA and similar regulatory authorities in foreign

countries. Various federal and state statutes and regulations also govern or

influence testing, manufacturing, safety, labeling, storage and record-keeping

related to such products and their marketing. The process of obtaining these

approvals and the subsequent substantial compliance with appropriate federal and

state statutes and regulations require the expenditure of substantial time and

financial resources.



Pre-clinical studies generally are conducted in laboratory animals to

evaluate the potential safety and the efficacy of a product. Drug developers

submit the results of pre-clinical studies to the FDA as a part of an

investigational new drug application which must be approved before we can begin

clinical trials in humans. Typically, clinical evaluation involves a time

consuming and costly three-phase process.



Phase I Clinical trials are conducted with a small number of subjects to

determine the early safety profile, maximum tolerated dose and

pharmacokinetics of the product in human volunteers.



18





Phase II Clinical trials are conducted with groups of patients

afflicted with a specific disease in order to determine

preliminary efficacy, optimal dosages and expanded evidence

of safety.



Phase III Large-scale, multi-center, comparative trials are conducted with

patients afflicted with a target disease in order to provide

enough data to demonstrate with substantial evidence the efficacy

and safety required by the FDA.



The FDA closely monitors the progress of each of the three phases of

clinical trials that are conducted in the United States and may, at its

discretion, reevaluate, alter, suspend or terminate the testing based upon the

data accumulated to that point and the FDA's assessment of the risk/benefit

ratio to the patient. To date we have conducted many of our clinical trials in

Europe and South Africa.



Once Phase III trials are completed, drug developers submit the results

of pre-clinical studies and clinical trials to the FDA in the form of a new drug

application, or a biologics licensing application for approval to commence

commercial sales. In response, the FDA may grant marketing approval, request

additional information or deny the application if the FDA determines that the

application does not meet regulatory approval criteria. FDA approvals may not be

granted on a timely basis, or at all. Furthermore, the FDA may prevent a drug

developer from marketing a product under a label for its desired indications,

which may impair commercialization of the product. Similar regulatory procedures

must also be complied within countries outside the United States.



If the FDA approves the new drug application, the drug becomes

available for physicians to prescribe in the United States. After approval, the

drug developer must submit periodic reports to the FDA, including descriptions

of any adverse reactions reported. The FDA may request additional studies, known

as Phase IV, to evaluate long-term effects.



In addition to studies requested by the FDA after approval, a drug

developer may conduct other trials and studies to explore use of the approved

compound for treatment of new indications. The purpose of these trials and

studies and related publications is to broaden the application and use of the

drug and its acceptance in the medical community.



Orphan Drug Designation



The FDA may grant orphan drug designation to drugs intended to treat a

"rare disease or condition," which is generally a disease or condition that

affects fewer than 200,000 individuals in the United States. Orphan drug

designation must be requested before submitting a new drug application. After

the FDA grants orphan drug designation, the generic identity of the therapeutic

agent and its potential orphan use are disclosed publicly by the FDA. Orphan

drug designation does not convey any advantage in, or shorten the duration of,

the regulatory review and approval process. If a product that has orphan drug

designation subsequently receives FDA approval for the indication for which it

has orphan drug designation, the product is entitled to orphan exclusivity,

which means the FDA may not approve any other applications to market the same

drug for the same indication, except in very limited circumstances, for seven

years. Our IL-4 fusion toxin product candidate has received orphan drug

designation from the FDA for astrocytic glioma.



Approvals Outside the United States



We will have to complete an approval process similar to that in the

United States in virtually every foreign target market for our products in order

to commercialize our product candidates in those countries. The approval

procedure and the time required for approval vary from country to country and

may involve additional testing. Foreign approvals may not be granted on a timely

basis, or at all. In addition, regulatory approval of prices is required in most

countries other than the United States. We face the risk that the resulting

prices would be insufficient to generate an acceptable return to us or our

corporate collaborators.



Fast Track Designation



Congress enacted the Food and Drug Administration Modernization Act of

1997, in part, to ensure the timely availability of safe and effective drugs,

biologics and medical devices by expediting the FDA review process for new

products. The Food and Drug Administration Modernization Act establishes a

statutory program for the approval of so-called fast track products. The new law

defines a fast track product as a new drug or biologic intended for the

treatment of a serious or life-threatening condition that demonstrates the

potential to address unmet medical needs for such a condition. Under the new





19





fast track program, the sponsor of a new drug or biologic may request the FDA to

designate the drug or biologic as a fast track product at any time during

clinical development of the product. Fast-track designation provides an

expedited review of a product, which accelerates FDA approval.



We may seek fast track designation to secure expedited review of

appropriate product candidates. We can never be sure that we will obtain fast

track designation. We cannot predict the ultimate impact, if any, of the new

fast track process on the timing or likelihood of FDA approval of any of our

potential products. We received fast track designation for our IL-4 fusion

toxin.





Competition



The biotechnology and pharmaceutical industries are subject to rapid

and intense technological change. We face, and will continue to face,

competition in the development and marketing of our product candidates from

biotechnology and pharmaceutical companies, research institutions, government

agencies and academic institutions. Competition may also arise from, among other

things:



o other drug development technologies;



o methods of preventing or reducing the incidence of disease, including

vaccines; and



o new small molecule or other classes of therapeutic agents.



Developments by others may render our product candidates or

technologies obsolete or noncompetitive. We are performing research on or

developing products for the treatment of several disorders including insomnia,

anxiety, depression, malignant glioma, other forms of cancer, certain women's

health disorders, Type 1 diabetes and multiple sclerosis.



We are developing a gamma amino-butyric acid receptor agonist,

NBI-34060, for the treatment of insomnia. Ambien(copyright) and

Sonata(copyright) are already marketed for the treatment of insomnia by

Sanofi-Synthelabo and American Home Products / Elan, respectively.



In the area of anxiety disorders, our product candidates will compete

with well-established products such as Valium(copyright), marketed by Hoffman-La

Roche, Xanax(copyright), marketed by Pharmacia, BuSpar(copyright), marketed by

Bristol-Myers Squibb, among others, as well as generic alternatives for each of

these products.



We are also developing products for depression, which will compete with

well-established products in the antidepressant class, including

Prozac(copyright), marketed by Eli Lilly as well as its generic alternatives,

Zoloft(copyright), marketed by Pfizer, Paxil(copyright), marketed by GSK, and

Celexa(copyright), marketed by Forest Laboratories, among others. Certain

technologies under development by other pharmaceutical companies could result in

additional commercial treatments for depression and anxiety. In addition, a

number of companies also are conducting research on molecules to block CRF,

which is the same mechanism of action employed by our compounds.



Guilford Pharmaceuticals' Gliadel(copyright) is approved in the U.S.

and Europe for use in a subset of brain cancers known as recurrent glioblastoma

multiforme. Gliadel(copyright) is also under review by the FDA for treatment of

primary glioblastoma, and an application has been filed in Europe for this

indication. Gliadel(copyright) will potentially compete with our IL-4 fusion

toxin product, NBI-3001, if our product is approved by the FDA. Temozolomide,

marketed by Schering Plough, is approved in Europe for both recurrent malignant

glioma and recurrent astrocytoma and in the U.S. for only recurrent astrocytoma.

Temozolomide may also compete with our IL-4 fusion toxin product.



We are also pursuing development of NBI-3001 for the treatment of

peripheral solid tumors, such as kidney cancer and non-small-cell lung cancer.

Proleukin(copyright) is marketed by Chiron for the treatment of kidney cancer,

and drug treatments for non-small-cell lung cancer include Taxotere(copyright),

marketed by Aventis, Taxol(copyright), marketed by Bristol-Myers Squibb,

Navelbine(copyright), marketed by GSK, and Gemzar(copyright), which is marketed

by Eli Lilly. Breast cancer agents include Taxotere(copyright), marketed by

Aventis, Nolvadex(copyright) and Arimidex(copyright), marketed by AstraZeneca,

and Herceptin(copyright), marketed by Genentech.



Products that may compete with NBI-5788, our altered peptide ligand for

multiple sclerosis, include Betaseron(copyright) and Avonex(copyright), similar

forms of beta-interferon marketed by Berlex BioSciences and Biogen,

respectively, and Rebif(copyright) marketed by Ares Serono. Copaxone(copyright),

a peptide polymer marketed by Teva, has also been approved for the marketing in

the United States and certain other countries for the treatment of multiple

sclerosis.



20





There are a number of competitors to products in our research pipeline.

Lupron Depot(copyright), marketed by Takeda-Abbott Pharmaceuticals,

Zoladex(copyright), marketed by AstraZeneca, and Synarel(copyright), marketed by

Pharmacia, are gonadotropin-releasing hormone peptide agonists that have been

approved for the treatment of prostate cancer, endometriosis, infertility,

breast cancer and central precocious puberty. These drugs may compete with any

small molecule gonadotropin-releasing hormone antagonists we develop for these

indications. Anti-obesity therapeutics currently available include

Xenical(copyright) from Roche Laboratories and Meridia(copyright) from Abbott

Laboratories. If one or more of these products or programs are successful, it

may reduce or eliminate the market for our products.



Compared to us, many of our competitors and potential competitors have

substantially greater:



o capital resources;



o research and development resources, including personnel and

technology;



o regulatory experience;



o pre-clinical study and clinical testing experience;



o manufacturing and marketing experience; and



o production facilities.



Any of these competitive factors could harm our business, prospects,

financial condition and results of operations, which could negatively affect our

stock price.





Employees



As of December 31, 2001, we had 222 employees, consisting of 211

full-time and 11 part-time employees. Of the full-time employees, approximately

72 hold Ph.D., M.D. or equivalent degrees. None of our employees are represented

by a collective bargaining arrangement, and we believe our relationship with our

employees is good. We are highly dependent on the principal members of our

management and scientific staff. If we were to lose the services of any of these

personnel, we might not be able to achieve our development objectives.

Furthermore, recruiting and retaining qualified scientific personnel to perform

research and development work in the future will also be critical to our

success. We face the risk that we may not be able to attract and retain

personnel on acceptable terms given the competition among biotechnology,

pharmaceutical and health care companies, universities and non-profit research

institutions for experienced scientists. In addition, we rely on members of our

Scientific Advisory Board and a significant number of consultants to assist us

in formulating our research and development strategies.





Insurance



We maintain product liability insurance for our clinical trials. We

intend to expand our insurance coverage to include the sale of commercial

products if marketing approval is obtained for products in development. However,

insurance coverage is becoming increasingly expensive, and no assurance can be

given that we will be able to maintain insurance coverage at a reasonable cost

or in sufficient amounts to protect us against losses due to liability. There

can also be no assurance that we will be able to obtain commercially reasonable

product liability insurance for any products approved for marketing.





Our Scientific Advisory Board



We have assembled a Scientific Advisory Board that currently consists

of 12 individuals. Members of our Scientific Advisory Board are leaders in the

fields of neurobiology, immunology, endocrinology, psychiatry and medicinal

chemistry. Our Scientific Advisory Board advises us in the selection,

implementation and prioritization of our research programs.



Our Scientific Advisory Board presently consists of the following

individuals:



Susan G. Amara, Ph.D., a Senior Scientist and Professor at the Vollum

Institute for Advanced Biomedical Research and an Investigator in the Howard

Hughes Medical Institute, is an expert on the cellular and molecular biology of

neurotransmitter transporters, excitatory amino acid transporter structure and

regulation and signaling roles of neurotransmitter transporters.



21





Dale Boger, Ph.D., joined the Scripps Institute in 1991 as the Richard

and Alice Kramer Professor of Chemistry and in 1996 was also appointed as a

member of Skaggs Institute for Chemical Biology. Dr. Boger is internationally

recognized for his work in organic synthesis, heterocyclic chemistry, natural

products total synthesis and biological evaluation, synthetic methodology

development, medicinal and bioorganic chemistry and has made seminal

contributions to the understanding of DNA-agent interactions of naturally

occurring antitumor-antibiotics.



Michael Brownstein, M.D., Ph.D., is Chief of the Laboratory of Genetics

at the National Institute of Mental Health and National Human Research

Institute. He is a recognized expert in molecular pharmacology as it applies to

the field of neuroendocrinology, where he has defined many of the

pharmaceutically important neurotransmitter receptors and transporter systems.



Roger D. Cone, Ph.D., a senior scientist at the Vollum Institute for

Advanced Biomedical Research, is an international expert on the neuroendocrine

system, with particular expertise on the melanocortin system and the

hypothalamic control of energy homeostasis. Dr. Cone served as an editor of the

Journal Endocrinology through December 2001.



Stephen M. Hedrick, Ph.D., is Professor and Chairman of Cell Biology at

the University of California, San Diego. Dr. Hedrick is an expert in T cell

immunology and co-discovered the first T cell receptor genes and identified the

regions responsible for antigen binding. He is an editor for the Journal of

Immunology.



Florian Holsboer, M.D., Ph.D., is Director at the Max Planck Institute

fur Psychiatrie. Dr. Holsboer is an international expert on the role of

glucocorticoids and neuropeptides, particularly CRF, in neuropsychiatric

disorders. He coordinates the efforts of several hundred scientists and

clinicians at the Max Planck Institute, a major European neuropsychiatric

institute.



George F. Koob, Ph.D., is a Professor of the Department of

Neuropharmacology at The Scripps Research Institute and an Adjunct Professor in

the Departments of Psychology and Psychiatry at the University of California,

San Diego. Dr. Koob is an internationally recognized behavioral pharmacology

expert on the role of peptides in the central nervous system, the neurochemical

basis of addiction and in the development of pre-clinical behavioral procedures

for the screening of anxiolytic and antidepressant drugs and memory enhancers.



Charles B. Nemeroff, M.D., Ph.D., is Chairman and Professor of the

Department of Psychiatry and Behavioral Sciences at Emory University School of

Medicine. Dr. Nemeroff is an internationally recognized expert on the effects of

neuropeptides on behavior and their relevance in clinically important conditions

such as depression, anxiety and schizophrenia, and has published over 400

articles on this subject.



Thomas Roth, Ph.D., is the head of the Division of Sleep Disorder

Research at the Henry Ford Hospital Research Institute. Dr. Roth is an

internationally recognized expert in the field of sleep research. His areas of

specialization are sleep homeostasis and neuropharmacology of sleep.



Lawrence J. Steinman, M.D., is our Chief Scientific Advisor,

Neuroimmunology and a member of our Founding Board of Scientific and Medical

Advisors and our Board of Directors.



Wylie W. Vale, Ph.D., is our Chief Scientific Advisor,

Neuroendocrinology and a member of our Founding Board of Scientific and Medical

Advisors and our Board of Directors.



Stanley J. Watson, Jr., M.D., Ph.D., is Professor and Associate Chair

for Research in the Department of Psychiatry and Co-Director of the Mental

Health Research Institute at the University of Michigan. Dr. Watson is a

recognized expert in neuropeptides and their receptors and their role in

psychiatric diseases and behavior. Dr. Watson is also a member of the Institute

of Medicine of the National Academy of Sciences.



Each of the members of our Scientific Advisory Board has signed a

consulting agreement that contains confidentiality provisions and restricts him

or her from competing with us for the term of the agreement. Each member of our

Scientific Advisory Board receives either a per diem consulting fee or a

retainer fee. Each member also has received Neurocrine stock or stock options,

which vest over time. All members of our Scientific Advisory Board are full-time

employees of a university or research institute that has regulations and

policies which limit their ability to act as part-time consultants or in other

capacities for any commercial enterprise, including us. A change in these

regulations or policies could adversely affect our relationship with any of our

Scientific Advisory Board members.



22





RISK FACTORS



Risks Related to the Company



We have a history of losses and expect to incur substantial losses and

negative operating cash flows for the foreseeable future, and we may never

achieve sustained profitability.



Since our inception, we have incurred significant net losses, including

net losses of $36.9 million in the year ended December 31, 2001. As a result of

ongoing operating losses, we had an accumulated deficit of $107.4 million as of

December 31, 2001. We do not expect to be profitable in 2002. We have not yet

completed the development, including obtaining regulatory approvals, of any

products and, consequently, have not generated revenues from the sale of

products. Even if we succeed in developing and commercializing one or more of

our drugs, we expect to incur substantial losses for the foreseeable future. We

also expect to continue to incur significant operating and capital expenditures

and anticipate that our expenses will increase substantially in the foreseeable

future as we:



o seek regulatory approvals for our product candidates;



o develop, formulate, manufacture and commercialize our drugs;



o implement additional internal systems and infrastructure; and



o hire additional clinical and scientific personnel.



We also expect to experience negative cash flow for the foreseeable

future as we fund our operating losses and capital expenditures. As a result, we

will need to generate significant revenues to achieve and maintain

profitability. We may not be able to generate these revenues, and we may never

achieve profitability in the future. Our failure to achieve or maintain

profitability could negatively impact the market price of our common stock. Even

if we do become profitable, we cannot assure you that we would be able to

sustain or increase profitability on a quarterly or annual basis.



If we cannot raise additional funding, we may be unable to complete

development of our product candidates.



We may require additional funding in order to continue our research and

product development programs, including pre-clinical testing and clinical trials

of our product candidates, for operating expenses, and to pursue regulatory

approvals for product candidates. We also may require additional funding to

establish manufacturing and marketing capabilities in the future. We believe

that our existing capital resources, together with interest income and future

payments due under our strategic alliances, will be sufficient to satisfy our

current and projected funding requirements for at least the next twelve months.

However, these resources might be insufficient to conduct research and

development programs as planned. If we cannot obtain adequate funds, we may be

required to curtail significantly one or more of our research and development

programs or obtain funds through additional arrangements with corporate

collaborators or others that may require us to relinquish rights to some of our

technologies or product candidates.



Our future capital requirements will depend on many factors, including:



o continued scientific progress in our research and development

programs;



o the magnitude of our research and development programs;



o progress with pre-clinical testing and clinical trials;



o the time and costs involved in obtaining regulatory approvals;



o the costs involved in filing and pursuing patent applications and

enforcing patent claims;



o competing technological and market developments;



o the establishment of additional strategic alliances;



o the cost of manufacturing facilities and of commercialization

activities and arrangements; and



o the cost of product in-licensing and any possible acquisitions.



We intend to seek additional funding through strategic alliances, and

may seek additional funding through public or private sales of our securities,

including equity securities. In addition, we have leased equipment and may

continue to pursue opportunities to obtain additional debt financing in the

future. However, additional equity or debt financing might not be available on

reasonable terms, if at all, and any additional equity financings will be

dilutive to our stockholders.



23





Because the development of our product candidates is subject to a

substantial degree of technological uncertainty, we may not succeed in

developing any of our product candidates.



All of our product candidates are in research or development and we do

not expect any of our product candidates to be commercially available for the

foreseeable future, if at all. Only a small number of research and development

programs ultimately result in commercially successful drugs. Potential products

that appear to be promising at early stages of development may not reach the

market for a number of reasons. These reasons include the possibilities that the

potential products may:



o be found ineffective or cause harmful side effects during pre-clinical

studies or clinical trials;



o fail to receive necessary regulatory approvals on a timely basis or at

all;



o be precluded from commercialization by proprietary rights of third

parties;



o be difficult to manufacture on a large scale; or



o be uneconomical or fail to achieve market acceptance.



If any of these potential problems occurs, we may never successfully

market any products.



In November 2001, we began enrolling subjects in a Phase III clinical

trial for NBI-34060, our insomnia product under development. Since this is our

most advanced product program, our business and reputation would be particularly

harmed if the product does not prove to be efficacious in our late stage

clinical trials or we fail to receive necessary regulatory approvals on a timely

basis or achieve market acceptance.



We may not receive regulatory approvals for our product candidates or

approvals may be delayed.



Regulation by government authorities in the United States and foreign

countries is a significant factor in the development, manufacture and marketing

of our proposed products and in our ongoing research and product development

activities. Any failure to receive the regulatory approvals necessary to

commercialize our product candidates would have a material adverse effect on our

business. The process of obtaining these approvals and the subsequent

substantial compliance with appropriate federal and state statutes and

regulations require spending substantial time and financial resources. If we

fail or our collaborators or licensees fail to obtain or maintain, or encounter

delays in obtaining or maintaining, regulatory approvals, it could adversely

affect the marketing of any products we develop, our ability to receive product

or royalty revenues and our liquidity and capital resources. All of our products

are in research and development and we have not yet requested or received

regulatory approval to commercialize any product from the FDA or any other

regulatory body. In addition, we have limited experience in filing and pursuing

applications necessary to gain regulatory approvals, which may impede our

ability to obtain such approvals.



In particular, human therapeutic products are subject to rigorous

pre-clinical testing and clinical trials and other approval procedures of the

FDA and similar regulatory authorities in foreign countries. The FDA regulates

among other things, the development, testing, manufacture, safety, efficacy,

record keeping, labeling, storage, approval, advertising, promotion, sale and

distribution of biopharmaceutical products. Securing FDA approval requires the

submission of extensive pre-clinical and clinical data and supporting

information to the FDA for each indication to establish the product candidate's

safety and efficacy. The approval process may take many years to complete and

may involve ongoing requirements for post-marketing studies. Any FDA or other

regulatory approval of our product candidates, once obtained, may be withdrawn.

If our potential products are marketed abroad, they will also be subject to

extensive regulation by foreign governments.



Our clinical trials may fail to demonstrate the safety and efficacy of

our product candidates, which could prevent or significantly delay their

regulatory approval.



Any failure or substantial delay in completing clinical trials for our

product candidates may severely harm our business. Before obtaining regulatory

approval for the sale of any of our potential products, we must subject these

product candidates to extensive pre-clinical and clinical testing to demonstrate

their safety and efficacy for humans. Clinical trials are expensive,

time-consuming and may take years to complete.



In connection with our clinical trials, we face the risks that:



o we or the FDA may suspend the trials;



o we may discover that a product candidate may cause harmful side

effects;



24





o the results may not replicate the results of earlier, smaller trials;



o the results may not be statistically significant;



o patient recruitment may be slower than expected; and



o patients may drop out of the trials.



Also, late stage clinical trials are often conducted with patients

having the most advanced stages of disease. During the course of treatment,

these patients can die or suffer other adverse medical effects for reasons that

may not be related to the pharmaceutical agent being tested but which can

nevertheless adversely affect clinical trial results.



The independent clinical investigators and contract research

organizations that we rely upon to conduct our clinical trials may not be

diligent, careful or timely, and may make mistakes, in the conduct of our

trials.



We depend on independent clinical investigators and contract research

organizations, or CROs, to conduct our clinical trials under their agreements

with us. The investigators are not our employees and we cannot control the

amount or timing of resources that they devote to our programs. If independent

investigators fail to devote sufficient time and resources to our drug

development programs, or if their performance is substandard, it will delay the

approval of our FDA applications and our introductions of new drugs. The CROs we

contract with for execution of our clinical trials play a significant role in

the conduct of the trials and the subsequent collection and analysis of data.

Failure of the CROs to meet their obligations could adversely affect clinical

development of our products. Moreover, these independent investigators and CROs

may also have relationships with other commercial entities, some of which may

compete with us. If independent investigators and CROs assist our competitors at

our expense, it could harm our competitive position.



We depend on continuing our current strategic alliances and developing

additional strategic alliances to develop and commercialize our compounds.



We depend upon our corporate collaborators to provide adequate funding

for a number of our programs. Under these arrangements, our corporate

collaborators are responsible for:



o selecting compounds for subsequent development as drug candidates;



o conducting pre-clinical studies and clinical trials and obtaining

required regulatory approvals for these drug candidates; and



o manufacturing and commercializing any resulting drugs.



Our strategy for developing and commercializing our products is

dependent upon maintaining our current arrangements and establishing new

arrangements with research collaborators, corporate collaborators and others. We

have collaborations with GlaxoSmithKline, Wyeth-Ayerst and Taisho. Because we

rely heavily on our corporate collaborators, the development of our projects

would be substantially delayed if our collaborators:



o fail to select a compound we have discovered for subsequent

development into marketable products;



o fail to gain the requisite regulatory approvals of these products;



o do not successfully commercialize products that we originate;



o do not conduct their collaborative activities in a timely manner;



o do not devote sufficient time and resources to our partnered programs

or potential products;



o terminate their alliances with us;



o develop, either alone or with others, products that may compete with

our products;



o dispute our respective allocations of rights to any products or

technology developed during our collaborations; or



o merge with a third party that may wish to terminate the collaboration.



These issues and possible disagreements with our corporate

collaborators could lead to delays in the collaborative research, development or

commercialization of many of our product candidates. Furthermore, disagreements

with these parties could require or result in litigation or arbitration, which

would be time-consuming and expensive. If any of these issues arises, it may

delay the filing of our new drug applications and, ultimately, our generation of

product revenues.



25





We have no manufacturing capabilities. If third-party manufacturers of

our product candidates fail to devote sufficient time and resources to our

concerns, or if their performance is substandard, our clinical trials and

product introductions may be delayed and our costs may rise.



We have in the past utilized, and intend to continue to utilize,

third-party manufacturers to produce the drug compounds we use in our clinical

trials and for the potential commercialization of our future products. We have

no experience in manufacturing products for commercial purposes and do not

currently have any manufacturing facilities. Consequently, we depend on several

contract manufacturers for all production of products for development and

commercial purposes. If we are unable to obtain or retain third-party

manufacturers, we will not be able to commercialize our products. The

manufacture of our products for clinical trials and commercial purposes is

subject to specific FDA regulations. In addition, our third-party manufacturers

might not comply with FDA regulations relating to manufacturing our products for

clinical trials and commercial purposes or other regulatory requirements now or

in the future. Our reliance on contract manufacturers also exposes us to the

following risks:



o Contract manufacturers may encounter difficulties in achieving volume

production, quality control and quality assurance, and also may

experience shortages in qualified personnel. As a result, our contract

manufacturers might not be able to meet our clinical schedules or

adequately manufacture our products in commercial quantities when

required;



o Switching manufacturers may be difficult because the number of

potential manufacturers is limited. It may be difficult or impossible

for us to find a replacement manufacturer quickly on acceptable terms,

or at all;



o Our contract manufacturers may not perform as agreed or may not remain

in the contract manufacturing business for the time required to

successfully produce, store and distribute our products; and



o Drug manufacturers are subject to ongoing periodic unannounced

inspection by the FDA, the Drug Enforcement Agency, and corresponding

state agencies to ensure strict compliance with good manufacturing

practices and other government regulations and corresponding foreign

standards. We do not have control over third-party manufacturers'

compliance with these regulations and standards.



Our current dependence upon third parties for the manufacture of our

products may harm our profit margin, if any, on the sale of our future products

and our ability to develop and deliver products on a timely and competitive

basis.



If we are unable to retain and recruit qualified scientists or if any

of our key senior executives discontinues his or her employment with us, it will

delay our development efforts.



We are highly dependent on the principal members of our management and

scientific staff. The loss of any of these people could impede the achievement

of our development objectives. Furthermore, recruiting and retaining qualified

scientific personnel to perform research and development work in the future will

also be critical to our success. We may be unable to attract and retain

personnel on acceptable terms given the competition among biotechnology,

pharmaceutical and health care companies, universities and non-profit research

institutions for experienced scientists. In addition, we rely on members of our

Scientific Advisory Board and a significant number of consultants to assist us

in formulating our research and development strategy. All of our consultants and

members of the Scientific Advisory Board are employed by employers other than

us. They may have commitments to, or advisory or consulting agreements with,

other entities that may limit their availability to us.



We may be subject to claims that we or our employees have wrongfully

used or disclosed alleged trade secrets of their former employers.



As is commonplace in the biotechnology industry, we employ individuals

who were previously employed at other biotechnology or pharmaceutical companies,

including our competitors or potential competitors. Although no claims against

us are currently pending, we may be subject to claims that these employees or we

have inadvertently or otherwise used or disclosed trade secrets or other

proprietary information of their former employers. Litigation may be necessary

to defend against these claims. Even if we are successful in defending against

these claims, litigation could result in substantial costs and be a distraction

to management.



26





We have no marketing experience, sales force or distribution

capabilities, and if our products are approved, we may not be able to

commercialize them successfully.



Although we do not currently have any marketable products, our ability

to produce revenues ultimately depends on our ability to sell our products if

and when they are approved by the FDA. We currently have no experience in

marketing or selling pharmaceutical products and we do not have a marketing and

sales staff or distribution capabilities. If we fail to establish successful

marketing and sales capabilities or fail to enter into successful marketing

arrangements with third parties, our product revenues will suffer.



Governmental and third-party payors may impose sales and pharmaceutical

pricing controls on our products that could limit our product revenues and delay

profitability.



The continuing efforts of government and third-party payors to contain

or reduce the costs of health care through various means may reduce our

potential revenues. These payors' efforts could decrease the price that we

receive for any products we may develop and sell in the future. In addition,

third-party insurance coverage may not be available to patients for any products

we develop. If government and third-party payors do not provide adequate

coverage and reimbursement levels for our products, or if price controls are

enacted, our product revenues will suffer.



If physicians and patients do not accept our products, we may not

recover our investment.



The commercial success of our products, if they are approved for

marketing, will depend upon the medical community and patients accepting our

products as being safe and effective.



The market acceptance of our products could be affected by a number of

factors, including:



o the timing of receipt of marketing approvals;



o the safety and efficacy of the products;



o the success of existing products addressing our target markets or the

emergence of equivalent or superior products; and



o the cost-effectiveness of the products.



In addition, market acceptance depends on the effectiveness of our

marketing strategy, and, to date, we have very limited sales and marketing

experience or capabilities. If the medical community and patients do not

ultimately accept our products as being safe and effective, we may not recover

our investment.





Risks Related to Our Industry



We face intense competition and if we are unable to compete

effectively, the demand for our products, if any, may be reduced.



The biotechnology and pharmaceutical industries are subject to rapid

and intense technological change. We face, and will continue to face,

competition in the development and marketing of our product candidates from

academic institutions, government agencies, research institutions and

biotechnology and pharmaceutical companies. Competition may also arise from,

among other things:



o other drug development technologies;



o methods of preventing or reducing the incidence of disease, including

vaccines; and



o new small molecule or other classes of therapeutic agents.



Developments by others may render our product candidates or

technologies obsolete or noncompetitive.



We are performing research on or developing products for the treatment

of several disorders including anxiety, depression, insomnia, malignant glioma,

other forms of cancer and multiple sclerosis, and there are a number of

competitors to products in our research pipeline. If one or more of these

products or programs are successful, the market for our products may be reduced

or eliminated.



Compared to us, many of our competitors and potential competitors have

substantially greater:



27





o capital resources;



o research and development resources, including personnel and

technology;



o regulatory experience;



o pre-clinical study and clinical testing experience;



o manufacturing and marketing experience; and



o production facilities.



Any of these competitive factors could reduce demand for our products.

For more specific information about the competition we face, please review the

information under the subheading "Competition" earlier in this report.



If we are unable to protect our intellectual property, our competitors

could develop and market products based on our discoveries, which may reduce

demand for our products.



Our success will depend on our ability to, among other things:



o obtain patent protection for our products;



o preserve our trade secrets;



o prevent third parties from infringing upon our proprietary rights; and



o operate without infringing upon the proprietary rights of others, both

in the United States and internationally.



Because of the substantial length of time and expense associated with

bringing new products through the development and regulatory approval processes

in order to reach the marketplace, the pharmaceutical industry places

considerable importance on obtaining patent and trade secret protection for new

technologies, products and processes. Accordingly, we intend to seek patent

protection for our proprietary technology and compounds. However, we face the

risk that we may not obtain any of these patents and that the breadth of claims

we obtain, if any, may not provide adequate protection of our proprietary

technology or compounds.



We also rely upon unpatented trade secrets and improvements, unpatented

know-how and continuing technological innovation to develop and maintain our

competitive position, which we seek to protect, in part, by confidentiality

agreements with our commercial collaborators, employees and consultants. We also

have invention or patent assignment agreements with our employees and some, but

not all, of our commercial collaborators and consultants. However, if our

employees, commercial collaborators or consultants breach these agreements, we

may not have adequate remedies for any such breach, and our trade secrets may

otherwise become known or independently discovered by our competitors.



In addition, although we own a number of patents, the issuance of a

patent is not conclusive as to its validity or enforceability, and third parties

may challenge the validity or enforceability of our patents. We cannot assure

you how much protection, if any, will be given to our patents if we attempt to

enforce them, and they are challenged in court or in other proceedings. It is

possible that a competitor may successfully challenge our patents or that

challenges will result in limitations of their coverage. Moreover, competitors

may infringe our patents or successfully avoid them through design innovation.

To prevent infringement or unauthorized use, we may need to file infringement

claims, which are expensive and time-consuming. In addition, in an infringement

proceeding a court may decide that a patent of ours is not valid or is

unenforceable, or may refuse to stop the other party from using the technology

at issue on the ground that our patents do not cover its technology. Two of our

European patents are subject to opposition proceedings which, if successful,

could reduce the breadth of some of our proprietary rights. These proceedings

relate to our broad patent covering immune therapeutics in diabetes and multiple

sclerosis. In addition, interference proceedings declared by the United States

Patent and Trademark Office may be necessary to determine the priority of

inventions with respect to our patent applications or those of our licensors.

Litigation or interference proceedings may fail and, even if successful, may

result in substantial costs and be a distraction to management. We cannot assure

you that we will be able to prevent misappropriation of our proprietary rights,

particularly in countries where the laws may not protect such rights as fully as

in the United States. For more information about our intellectual property,

please review the information under the subheading "Intellectual Property"

earlier in this report.



The technologies we use in our research as well as the drug targets we

select may unintentionally infringe the patents or violate the proprietary

rights of third parties.



28





We cannot assure you that third parties will not assert patent or other

intellectual property infringement claims against us or our collaboration

partners with respect to technologies used in potential products. Any claims

that might be brought against us relating to infringement of patents may cause

us to incur significant expenses and, if successfully asserted against us, may

cause us to pay substantial damages. Even if we were to prevail, any litigation

could be costly and time-consuming and could divert the attention of our

management and key personnel from our business operations. Furthermore, as a

result of a patent infringement suit brought against us or our collaboration

partners, we or our collaboration partners may be forced to stop or delay

developing, manufacturing or selling potential products that are claimed to

infringe a third party's intellectual property unless that party grants us or

our collaboration partners rights to use its intellectual property. In such

cases, we may be required to obtain licenses to patents or proprietary rights of

others in order to continue to commercialize our products. However, we may not

be able to obtain any licenses required under any patents or proprietary rights

of third parties on acceptable terms, or at all. Even if our collaboration

partners or we were able to obtain rights to the third party's intellectual

property, these rights may be non-exclusive, thereby giving our competitors

access to the same intellectual property. Ultimately we may be unable to

commercialize some of our potential products or may have to cease some of our

business operations as a result of patent infringement claims, which could

severely harm our business.



We face potential product liability exposure far in excess of our

limited insurance coverage.



The use of any of our potential products in clinical trials, and the

sale of any approved products, may expose us to liability claims. These claims

might be made directly by consumers, health care providers, pharmaceutical

companies or others selling our products. We have obtained limited product

liability insurance coverage for our clinical trials in the amount of $10

million per occurrence and $10 million in the aggregate. However, our insurance

may not reimburse us or may not be sufficient to reimburse us for any expenses

or losses we may suffer. Moreover, insurance coverage is becoming increasingly

expensive, and we may not be able to maintain insurance coverage at a reasonable

cost or in sufficient amounts to protect us against losses due to liability. We

intend to expand our insurance coverage to include the sale of commercial

products if we obtain marketing approval for product candidates in development,

but we may be unable to obtain commercially reasonable product liability

insurance for any products approved for marketing. On occasion, juries have

awarded large judgments in class action lawsuits based on drugs that had

unanticipated side effects. A successful product liability claim or series of

claims brought against us would decrease our cash reserves and could cause our

stock price to fall.



Our activities involve hazardous materials and we may be liable for any

resulting contamination or injuries.



Our research activities involve the controlled use of hazardous

materials. We cannot eliminate the risk of accidental contamination or injury

from these materials. If an accident occurs, a court may hold us liable for any

resulting damages, which may reduce our cash reserves and force us to seek

additional financing.





ITEM 2. PROPERTIES



We lease approximately 93,000 square feet of space at our headquarters

in San Diego, California, of which approximately 65% is laboratory space

dedicated to research and development. This facility was constructed in 1998 and

is under lease through August 2013. The lease payments are $216,000 per month

with annual increases of 4% on September 1st of each year. We have sublet

approximately 10,500 square feet of this building to one tenant through March

31, 2002.



We believe that our property and equipment are generally well

maintained, in good operating condition and adequate for our current needs.





ITEM 3. LEGAL PROCEEDINGS



We are currently not subject to any material legal proceedings.





29







ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS



Not Applicable.





PART II





ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER MATTERS



Our common stock has been traded on the Nasdaq National Market System

under the symbol NBIX since our initial public offering on May 23, 1996. Prior

to that time there was no established public trading market for our common

stock. The following table sets forth for the periods indicated the high and low

sale price for the common stock as reported by the Nasdaq National Market. These

prices do not include retail markups, markdowns or commissions.



High Low

---- ---

Year Ended December 31, 2000

1st Quarter .......................... $47.50 $20.75

2nd Quarter .......................... 39.75 13.94

3rd Quarter .......................... 46.00 29.13

4th Quarter .......................... 44.88 25.50

Year Ended December 31, 2001

1st Quarter .......................... $36.50 $14.25

2nd Quarter .......................... 39.99 16.75

3rd Quarter .......................... 40.71 27.93

4th Quarter .......................... 54.26 30.36



As of February 28, 2002, there were approximately 111 stockholders of

record of our common stock. We have not paid any cash dividends on our common

stock since inception and do not anticipate paying cash dividends in the

foreseeable future.







30





ITEM 6. SELECTED FINANCIAL DATA



The following selected financial data have been derived from our

audited financial statements. The information set forth below is not necessarily

indicative of the results of future operations and should be read in conjunction

with "Management's Discussion and Analysis of Financial Condition and Results of

Operations" and the financial statements and notes thereto appearing elsewhere

in this Form 10-K.









2001 2000 1999 (2) 1998 (1)(2) 1997

--------- --------- --------- --------- ----------

(in thousands, except for earnings/(loss) per share data)



STATEMENT OF OPERATIONS DATA

Revenues

Sponsored research and development ....... $ 16,880 $ 6,881 $ 12,662 $ 12,361 $ 14,985

Milestones and license fees .............. 22,937 6,345 3,000 2,500 10,250

Grant income and other revenues .......... 1,425 1,362 1,129 1,176 909

--------- --------- --------- --------- ---------

Total revenues ........................... 41,242 14,588 16,791 16,037 26,144



Operating expenses

Research and development ................. 74,267 40,227 29,169 21,803 18,758

General and administrative ............... 10,857 9,962 7,476 6,594 5,664

Write-off of acquired in-process research

and development and licenses ............ -- -- -- 4,910 --

--------- --------- --------- --------- ---------

Total operating expenses ................. 85,124 50,189 36,645 33,307 24,422



Income (loss) from operations ............ (43,882) (35,601) (19,854) (17,270) 1,722



Interest income, net ..................... 6,662 6,048 2,851 4,000 3,931

Other income ............................. 430 1,047 1,066 504 818

Equity in NPI losses and other

adjustments, net ........................ -- -- (885) (7,188) (1,130)

--------- --------- --------- --------- ---------

Net income (loss) before income taxes .... (36,790) (28,506) (16,822) (19,954) 5,341

Income taxes ............................. 120 302 -- 1 214

--------- --------- --------- --------- ---------

Net income (loss) ........................ $(36,910) $(28,808) $(16,822) $(19,955) $ 5,127

========= ========= ========= ========= =========

Earnings (loss) per share

Basic ................................... $ (1.42) $ (1.30) $ (0.88) $ (1.10) $ 0.30

Diluted ................................. $ (1.42) $ (1.30) $ (0.88) $ (1.10) $ 0.28

Shares used in calculation of earnings

(loss) per share

Basic .................................. 26,028 22,124 19,072 18,141 16,930

Diluted ................................ 26,028 22,124 19,072 18,141 18,184



BALANCE SHEET DATA



Cash, cash equivalents

and short-term investments .............. $319,982 $164,670 $ 91,098 $ 62,670 $ 75,092

Working capital .......................... 306,754 157,446 86,168 60,064 69,362

Total assets ............................. 346,350 185,962 109,222 80,529 91,903

Long-term debt and capital

lease obligations ....... 3,600 2,283 2,139 2,247 722

Accumulated deficit ...................... (107,390) (70,480) (41,672) (24,850) (4,895)

Total stockholders' equity ............... 310,393 163,208 96,354 71,958 83,152



- ----------





(1) Includes results of operations and financial position of Northwest

NeuroLogic, Inc. from May 28, 1998, the date of acquisition.



(2) Sponsored research and development includes $491 and $3,610 in revenues

from related party for the years ended December 31, 1999 and 1998,

respectively.







31





ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS

OF OPERATIONS



The following Management's Discussion and Analysis of Financial

Condition and Results of Operations section contains forward-looking statements

which involve risks and uncertainties, pertaining generally to the expected

continuation of our collaborative agreements, the receipt of research payments

thereunder, the future achievement of various milestones in product development

and the receipt of payments related thereto, the potential receipt of royalty

payments, pre-clinical testing and clinical trials of potential products, the

period of time that our existing capital resources will meet our funding

requirements, and our financial results of operations. Our actual results could

differ materially from those anticipated in these forward-looking statements as

a result of various factors, including those set forth in this Annual Report on

Form 10-K.



Overview



We incorporated in California in 1992 and reincorporated in Delaware in

1996. Since we were founded, we have been engaged in the discovery and

development of novel pharmaceutical products for neurologic and endocrine

diseases and disorders. Many of our product candidates address some of the

largest pharmaceutical markets in the world, including insomnia, anxiety,

depression, cancer, multiple sclerosis and diabetes. To date, we have not

generated any revenues from the sale of products, and we do not expect to

generate any product revenues in the foreseeable future. We have funded our

operations primarily through private and public offerings of our common stock

and payments received under research and development agreements. We are

developing a number of products with corporate collaborators and will rely on

existing and future collaborators to meet funding requirements. We expect to

generate future net losses due to significant increases in operating expenses as

product candidates are advanced through the various stages of clinical

development. As of December 31, 2001, we have incurred a cumulative deficit of

$107.4 million and expect to incur operating losses in the future, which may be

greater than losses in prior years.



Critical Accounting Policies



Our discussion and analysis of our financial condition and results of

operations is based upon financial statements, which we have prepared in

accordance with accounting principles generally accepted in the United States.

The preparation of these financial statements requires management to make

estimates and judgments that affect the reported amounts of assets, liabilities

and expenses, and related disclosures. On an on-going basis, we evaluate these

estimates, including those related to revenues under collaborative research

agreements and grants, clinical trial accruals (R&D expense), facility lease,

investments, and fixed assets. Estimates are based on historical experience,

information received from third parties and on various other assumptions that

are believed to be reasonable under the circumstances, the results of which form

the basis for making judgments about the carrying values of assets and

liabilities that are not readily apparent from other sources. Actual results may

differ from these estimates under different assumptions or conditions. The items

in our financial statements requiring significant estimates and judgments are as

follows:



Revenues under collaborative research agreements and grants are

recognized as research costs are incurred over the period specified in the

related agreement or as the services are performed. These agreements are on a

best-efforts basis and do not require scientific achievement as a performance

obligation and provide for payment to be made when costs are incurred or the

services are performed. All fees are nonrefundable to the collaborators.

Up-front, nonrefundable payments for license fees and advance payments for

sponsored research revenues received in excess of amounts earned are classified

as deferred revenue and recognized as income over the period earned. Milestone

payments are recognized as revenue upon achievement of pre-defined scientific

events. Revenues from government grants are recognized based on a

percentage-of-completion basis as the related costs are incurred. We recognize

revenue only on payments that are nonrefundable and when the work is performed.



Research and development (R&D) expenses include related salaries,

contractor fees, facilities costs, administrative expenses and allocations of

corporate costs. All such costs are charged to R&D expense as incurred. These

expenses result from our independent R&D efforts as well as efforts associated

with collaborations, grants and in-licensing arrangements. In addition, we fund

R&D at other companies and research institutions under agreements, which are

generally cancelable. We review and accrue clinical trials expenses based on

work performed, which relies on estimates of total hours incurred and completion

of certain events. We follow this method since reasonably dependable estimates





32





of the costs applicable to various stages of a research agreement or clinical

trial can be made. Accrued clinical costs are subject to revisions as trials

progress to completion. Revisions are charged to expense in the period in which

the facts that give rise to the revision become known.



We lease our current facility under an operating lease that generally

requires us to pay taxes, insurance and maintenance. Based on the structure of

the arrangement, our operating lease is commonly referred to as a "synthetic

lease." A synthetic lease is a form of off-balance sheet financing under which

an unrelated third party funds up to 100% of the costs for the acquisition

and/or construction of the facility into a special purpose entity (SPE) and

leases the facility to a lessee. At least 3% of the third party funds represent

at-risk equity. If at any time the third party fails to maintain at least 3%

at-risk equity, we will need to consolidate the SPE, which will result in debt

and equity being recorded in our financial statements. Our synthetic lease is

treated as an operating lease for accounting purposes and a financing lease for

tax purposes. We selected the synthetic lease for the financing advantages.

Also, the agreement provides that at our option, we may purchase the building by

repaying the first mortgage balance. We periodically review the fair value of

the property leased to determine potential accounting ramifications.



We record an investment impairment charge when we believe an investment

has experienced a decline in value that is other than temporary. Future adverse

changes in market conditions or poor operating results of underlying investments

could result in losses or an inability to recover the carrying value of the

investments that may not be reflected in an investment's current carrying value,

thereby possibly requiring an impairment charge in the future.



We review long-lived assets, including leasehold improvements and

property and equipment, for impairment whenever events or changes in business

circumstances indicate that the carrying amount of the assets may not be fully

recoverable. Long-lived assets and certain identifiable intangible assets to be

disposed of are reported at the lower of the carrying amount or fair value less

the cost to dispose.



Results of Operations for Years ended December 31, 2001, 2000 and 1999



Our revenues for the year ended December 31, 2001 were $41.2 million

compared with $14.6 million in 2000, and $16.8 million in 1999. The increase in

revenues from 2000 to 2001 was primarily the result of the Taisho and GSK

collaborations, which were effective July 2000 and July 2001, respectively.

Under the Taisho agreement, we recognized $16.6 million during 2001 compared

with $7.1 million in 2000. Under the GSK agreement, we recognized $19.2 million

during 2001, which included a $15.5 million milestone achievement. The increase

in revenues from these agreements was partially offset by the completion of the

sponsored research portion of the Janssen agreement. These activities concluded,

as scheduled, in February 2001. Under the Janssen agreement, we recognized

$525,000 during 2001 and $3.0 million during 2000.



The decline in revenues from 1999 to 2000 resulted primarily from the

conclusion of a collaboration with Novartis in January 2000 and the sponsored

research portion of a collaboration with Eli Lilly in October 1999. During 1999,

we received $6.8 million in revenues under these agreements, in addition to $3.0

million in milestones under the agreement with Wyeth-Ayerst. The absence of

these revenues during 2000 was partially offset by $7.1 million in revenues from

Taisho. In addition, revenues recognized from Janssen were $3.0 million in 2000

compared to $2.4 million recognized in 1999.



Research and development expenses increased to $74.3 million during

2001 compared with $40.2 million during 2000 and $29.2 million in 1999.

Increased expenses reflect advancement of our drug candidates through

progressive clinical development phases. We expect to incur significant

increases in future periods as later phases of development typically involve an

increase in the scope of studies, the number of patients treated and the number

of scientific personnel required to manage the trials.



General and administrative expenses increased to $10.9 million during

2001 compared with $10.0 million during 2000 and $7.5 million during 1999. The

increase in administrative expenses from 2000 to 2001 resulted primarily from

additional patent legal expenses, marketing research and the addition of

administrative personnel needed to support expanding research and development

activities. The increase in expenses from 1999 to 2000 resulted primarily from

approximately $1.0 million in business development consulting primarily relating

to the Taisho agreement and $1.1 million of non-cash stock compensation charges

relating to the employee stock purchase program and consultant stock options.



33





Interest income increased to $7.0 million during 2001 compared with

$6.3 million during 2000 and $3.1 million during 1999. The increase in 2001,

compared with 2000 and 1999, primarily resulted from higher investment balances

achieved through public and private offerings of our common stock. In December

2001, we sold 4.0 million shares of our common stock in a public offering

resulting in net proceeds of $175.6 million. In December 2000, we sold 3.2

million shares of our common stock in a public offering resulting in net

proceeds of $90.4 million. And, in December 1999, we sold 2.3 million shares of

our common stock in a private placement resulting in net proceeds of $39.5

million.



In December 1999, we sold our investment in NPI and recorded a gain of

$526,000. Our proportionate share of NPI operating losses during 1999 was

$764,000. In addition, we recorded a write-down in the investment value of

$646,000 during 1999 relating to the decline in cash redemption value of the NPI

preferred shares.



Other income consists primarily of sublease income from unrelated

parties. The fluctuations in sublease income from year to year reflect facility

capacity in excess of our needs. Excess space is subleased until it is needed to

support company growth. During 2002, we expect sublease income to decrease

significantly as increases in personnel will require us to use more office and

laboratory space.



Our net loss for 2001 was $36.9 million, or $1.42 per share, compared

with $28.8 million, or $1.30 per share, in 2000 and $16.8 million, or $0.88 per

share, in 1999. The increase in net loss primarily resulted from an increase in

scientific personnel and expanded clinical development activities. We expect

operating losses to increase for the foreseeable future as we continue to expand

our clinical development efforts.



Liquidity and Capital Resources



At December 31, 2001, our cash, cash equivalents, and short-term

investments totaled $320.0 million compared with $164.7 million at December 31,

2000. The increase in cash balances from December 31, 2000 to December 31, 2001

resulted from the sale of 4.0 million shares of our common stock in a public

offering, which generated net cash proceeds of $175.6 million. The increase in

cash was offset by net cash used in operating activities during 2001.



Net cash used in operating activities during fiscal year 2001 was $21.9

million compared with $18.6 million in 2000 and $10.3 million during 1999. The

increase in cash used in operations for 2001 compared to the prior periods

resulted primarily from the increase in clinical development activities and the

addition of scientific and clinical development personnel.



Net cash used in investing activities during fiscal year 2001 was $16.6

million compared to $75.7 million during 2000 and $21.2 million in 1999. These

fluctuations resulted primarily from the timing differences in investment

purchases, sales, maturities and the fluctuations in our portfolio mix between

cash equivalents and short-term investment holdings. We expect similar

fluctuations to continue in future periods. Capital equipment purchases for

2001, 2000 and 1999 were $3.8 million, $2.4 million and $2.1 million,

respectively, and were financed primarily through capital leasing arrangements.

Capital equipment purchases for 2002 also will be financed primarily through

leasing agreements and are expected to be approximately $6.9 million.



Net cash provided by financing activities during fiscal year 2001 was

$181.3 million compared with $94.1 million in 2000 and $41.0 million during

1999. Cash provided during 2001, 2000 and 1999 includes net proceeds from public

and private offerings of our common stock of $175.6 million, $90.4 million and

$39.5 million, respectively.



Factors that may affect future financial condition and liquidity



We anticipate significant increases in expenditures as we continue to

expand our research and development activities. Because of our limited financial

resources, our strategies to develop some of our programs include collaborative

agreements with major pharmaceutical companies and sales of our common stock in

both public and private offerings. Our collaborative agreements typically

include a partial recovery of our research costs through license fees, contract

research funding and milestone revenues. Our collaborators are also financially

and managerially responsible for clinical development and commercialization. In

these cases, the estimated completion date would largely be under the control of



34



the collaborator. We cannot forecast, with any degree of certainty, which

proprietary products or indications, if any, will be subject to future

collaborative arrangements, in whole or in part, and how such arrangements would

affect our capital requirements.



The following table summarizes our contractual obligations at December

31, 2001 and the effect such obligations are expected to have on our liquidity

and cash flow in future periods. Our license, research and clinical development

agreements are generally cancelable with written notice in 0-180 days. In

addition to the minimum payments due under our license and research agreements,

we may be required to pay up to $13.8 million in milestone payments, plus sales

royalties, in the event that all scientific research under these agreements is

successful. Some of our clinical development agreements contain incentives for

time-sensitive activities.





-----------------------------------------------------------------------------

Less than 1 - 3 After

Contractual Obligations Total 1 year years 3 years

- ------------------------------------------------------------------------------



(in thousands)



Long-term debt ...................... $ 149 $ 149 $ -- $ --



Capital lease obligations ........... 6,216 2,277 3,253 686



Operating lease ..................... 38,078 2,626 5,572 29,880



License & research agreements ....... 1,724 884 770 70



Clinical development agreements ..... 48,107 26,330 21,777 --

--------------------------------------

Total contractual obligations .... $94,247 $32,239 $31,372 $30,636



The funding necessary to execute our business strategies is subject to

numerous uncertainties, which may adversely affect our liquidity and capital

resources. As of December 31, 2001, seven of our product candidates were in

various stages of clinical trials. Completion of clinical trials may take

several years or more, but the length of time generally varies substantially

according to the type, complexity, novelty and intended use of a product

candidate. It is also important to note that if a clinical candidate is

identified, the further development of that candidate can be halted or abandoned

at any time due to a number of factors. These factors include, but are not

limited to, funding constraints, safety or a change in market demand.



An important element of our business strategy is to pursue the research

and development of a diverse range of product candidates for a variety of

disease indications. We pursue this goal through proprietary research and

development as well as searching for new technologies for licensing

opportunities. This allows us to diversify the risks associated with our

research and development spending. To the extent we are unable to maintain a

diverse and broad range of product candidates, our dependence on the success of

one or a few product candidates would increase.



The nature and efforts required to develop our product candidates into

commercially viable products include research to identify a clinical candidate,

pre-clinical development, clinical testing, FDA approval and commercialization.

This process may cost in excess of $100 million and can take as long as 10 years

to complete for each product candidate.



We test our potential product candidates in numerous pre-clinical

studies to identify disease indications for which our product candidates may

show efficacy. We may conduct multiple clinical trials to cover a variety of

indications for each product candidate. As we obtain results from trials, we may

elect to discontinue clinical trials for certain product candidates or for

certain indications in order to focus our resources on more promising product

candidates or indications. The duration and the cost of clinical trials may vary

significantly over the life of a project as a result of differences arising

during the clinical trial protocol, including, among others, the following:



o we or the FDA may suspend the trials;



o we may discover that a product candidate may cause harmful side

effects;



o the results may not replicate the results of earlier, smaller trials;



o the results may not be statistically significant;



o patient recruitment may be slower than expected; and



o patients may drop out of the trials.



For each of our programs, we periodically assess the scientific

progress and merits of the programs to determine if continued research and

development is economically viable. Certain of our programs have been terminated

due to the lack of scientific progress and lack of prospects for ultimate

commercialization. Because of the uncertainties associated with research and



35





development of these programs, we may not be successful in achieving

commercialization. As such, the ultimate timeline and costs to commercialize a

product cannot be accurately estimated.



Our product candidates have not yet achieved FDA regulatory approval,

which is required before we can market them as therapeutic products. In order to

proceed to subsequent clinical trial stages and to ultimately achieve regulatory

approval, the FDA must conclude that our clinical data establish safety and

efficacy. The results from pre-clinical testing and early clinical trials may

not be predictive of results in later clinical trials. It is possible for a

candidate to show promising results in clinical trials, but subsequently fail to

establish sufficient safety and efficacy data necessary to obtain regulatory

approvals.



As a result of the uncertainties discussed above, among others, the

duration and completion costs of our research and development projects are

difficult to estimate and are subject to considerable variation. Our inability

to complete our research and development projects in a timely manner or our

failure to enter into collaborative agreements, when appropriate, could

significantly increase our capital requirements and could adversely impact our

liquidity. These uncertainties could force us to seek additional, external

sources of financing from time to time in order to continue with our business

strategy. Our inability to raise additional capital, or to do so on terms

reasonably acceptable to us, would jeopardize the future success of our

business.



We also may be required to make further substantial expenditures if

unforeseen difficulties arise in other areas of our business. In particular, our

future capital requirements will depend on many factors, including:



o continued scientific progress in our research and development

programs;



o the magnitude of our research and development programs;



o progress with pre-clinical testing and clinical trials;



o the time and costs involved in obtaining regulatory approvals;



o the costs involved in filing and pursuing patent applications and

enforcing patent claims;



o competing technological and market developments;



o the establishment of additional strategic alliances;



o the cost of manufacturing facilities and of commercialization

activities and arrangements; and



o the cost of product in-licensing and any possible acquisitions.



We believe that our existing capital resources, together with interest

income and future payments due under our strategic alliances, will be sufficient

to satisfy our current and projected funding requirements for at least the next

twelve months. However, we cannot guarantee that these capital resources and

payments will be sufficient to conduct our research and development programs as

planned. The amount and timing of expenditures will vary depending upon a number

of factors, including progress of our research and development programs.



We may require additional funding to continue our research and product

development programs, to conduct pre-clinical studies and clinical trials, for

operating expenses, to pursue regulatory approvals for our product candidates,

for the costs involved in filing and prosecuting patent applications and

enforcing or defending patent claims, if any, the cost of product in-licensing

and any possible acquisitions, and we may require additional funding to

establish manufacturing and marketing capabilities in the future. We may seek to

access the public or private equity markets whenever conditions are favorable.

We may also seek additional funding through strategic alliances and other

financing mechanisms, potentially including off-balance sheet financing. We

cannot assure you that adequate funding will be available on terms acceptable to

us, if at all. If adequate funds are not available, we may be required to

curtail significantly one or more of our research or development programs or

obtain funds through arrangements with collaborators or others. This may require

us to relinquish rights to certain of our technologies or product candidates.



We expect to incur operating losses over the next several years as our

research, development, pre-clinical studies and clinical trial activities

increase. To the extent that we are unable to obtain third-party funding for

such expenses, we expect that increased expenses will result in increased losses

from operations. We cannot assure you that we will successfully develop our

products under development or that our products, if successfully developed, will

generate revenues sufficient to enable us to earn a profit.



36





Interest Rate Risk



We are exposed to interest rate risk on our short-term investments. The

primary objective of our investment activities is to preserve principal while at

the same time maximizing yields without significantly increasing risk. To

achieve this objective, we invest in highly liquid and high quality government

and other debt securities. To minimize our exposure due to adverse shifts in

interest rates, we invest in short-term securities and ensure that the maximum

average maturity of our investments does not exceed 40 months. If a 10% change

in interest rates were to have occurred on December 31, 2001, this change would

not have had a material effect on the fair value of our investment portfolio as

of that date. Due to the short holding period of our investments, we have

concluded that we do not have a material financial market risk exposure.



Cautionary Note on Forward-Looking Statements



Our business is subject to significant risks, including but not limited

to, the risks inherent in our research and development activities, including the

successful continuation of our strategic collaborations, the successful

completion of clinical trials, the lengthy, expensive and uncertain process of

seeking regulatory approvals, uncertainties associated both with the potential

infringement of patents and other intellectual property rights of third parties,

and with obtaining and enforcing our own patents and patent rights,

uncertainties regarding government reforms and of product pricing and

reimbursement levels, technological change, competition, manufacturing

uncertainties and dependence on third parties. Even if our product candidates

appear promising at an early stage of development, they may not reach the market

for numerous reasons. Such reasons include the possibilities that the product

will be ineffective or unsafe during clinical trials, will fail to receive

necessary regulatory approvals, will be difficult to manufacture on a large

scale, will be uneconomical to market or will be precluded from

commercialization by proprietary rights of third parties. For more information

about the risks we face, see "Item 1. Business - Risk Factors" included in this

report.



New Accounting Pronouncements



In June 2001, the Financial Accounting Standards Board (FASB) issued

SFAS No. 141, "Business Combinations," and SFAS No. 142, "Goodwill and Other

Intangible Assets." SFAS No. 141 supercedes Accounting Principles Board (APB)

Opinion No. 16, "Business Combinations," and SFAS No. 38, "Accounting for

Preacquisition Contingencies of Purchased Enterprises," and requires that all

business combinations be accounted for by a single method -- the purchase

method. SFAS No. 141 also provides guidance on the recognition of intangible

assets identified in a business combination and requires enhanced financial

statement disclosures. SFAS No. 142 adopts a more aggregate view of goodwill and

bases the accounting for goodwill on the units of the combined entity into which

an acquired entity is integrated. In addition, SFAS No. 142 concludes that

goodwill and intangible assets that have indefinite useful lives will not be

amortized but rather will be tested at least annually for impairment. Intangible

assets that have finite lives will continue to be amortized over their useful

lives. SFAS No. 141 is effective for all business combinations initiated after

June 30, 2001. The adoption of SFAS No. 142 is required for fiscal years

beginning after December 15, 2001, except for the nonamortization and

amortization provisions, which are required for goodwill and intangible assets

acquired after June 30, 2001. The adoption of SFAS No. 141 had no impact on our

financial position or results of operations. We will adopt SFAS No. 142 in the

first quarter of 2002 and believe that the adoption will not have a material

impact on our financial position or results of operations.



In October 2001, the FASB issued SFAS No. 144, "Accounting for the

Impairment or Disposal of Long-Lived Assets," which establishes one accounting

model to be used for long-lived assets to be disposed of by sale and broadens

the presentation of discontinued operations to include more disposal

transactions. SFAS No. 144 supercedes SFAS No. 121, "Accounting for the

Impairment of Long-Lived Assets and for Long-Lived Assets to Be Disposed Of,"

and the accounting and reporting provisions of APB Opinion No. 30. SFAS No. 144

is effective for fiscal years beginning after December 15, 2001. We will adopt

SFAS No. 144 in the first quarter of 2002 and believe that the adoption will not

have a material impact on our financial position or results of operations.



37





ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK



Quantitative and Qualitative Disclosures about Market Risk is contained

in "Item 7. Management's Discussion and Analysis of Financial Condition and

Results of Operations -- Interest Rate Risk."





ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA



See the list of the Company's Financial Statements filed with this Form

10-K under Item 14 below.





ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND

FINANCIAL DISCLOSURE



Not Applicable.





PART III





ITEM 10. EXECUTIVE OFFICERS AND DIRECTORS OF THE REGISTRANT



Information required by this item will be contained in our Definitive

Proxy Statement for our 2002 Annual Meeting of Stockholders, to be filed

pursuant to Regulation 14A with the Securities and Exchange Commission within

120 days of December 31, 2001. Such information is incorporated herein by

reference.





ITEM 11. EXECUTIVE COMPENSATION



Information required by this item will be contained in our Definitive

Proxy Statement for our 2002 Annual Meeting of Stockholders, to be filed

pursuant to Regulation 14A with the Securities and Exchange Commission within

120 days of December 31, 2001. Such information is incorporated herein by

reference.





ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT



Information required by this item will be contained in our Definitive

Proxy Statement for our 2002 Annual Meeting of Stockholders, to be filed

pursuant to Regulation 14A with the Securities and Exchange Commission within

120 days of December 31, 2001. Such information is incorporated herein by

reference.





ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS



Information required by this item will be contained in our Definitive

Proxy Statement for our 2002 Annual Meeting of Stockholders, to be filed

pursuant to Regulation 14A, with the Securities and Exchange Commission within

120 days of December 31, 2001. Such information is incorporated herein by

reference.





38



PART IV





ITEM 14. EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K



(a) Documents filed as part of this report.



1. List of Financial Statements. The following financial statements of

Neurocrine Biosciences, Inc. and Report of Ernst & Young LLP,

Independent Auditors, are included in this report:



Report of Ernst & Young LLP, Independent Auditors



Balance Sheets as of December 31, 2001 and 2000



Statements of Operations for the years ended December 31, 2001, 2000

and 1999



Statements of Stockholders' Equity for the years ended December 31,

2001, 2000 and 1999



Statements of Cash Flows for the years ended December 31, 2001, 2000

and 1999



Notes to the Financial Statements (includes unaudited Selected

Quarterly Financial Data)



2. List of all Financial Statement schedules. All schedules are omitted

because they are not applicable or the required information is shown

in the Financial Statements or notes thereto.



3. List of Exhibits required by Item 601 of Regulation S-K. See part (c)

below.



(b) Reports on Form 8-K. Current Reports filed pursuant to Sections 13(a) or

15(d) of the Exchange Act on Forms 8-K dated November 16, 2001, November

27, 2001, December 3, 2001 and December 4, 2001.



1. The Registrant filed a Current Report on Form 8-K dated November 16,

2001 to report, pursuant to Item 5 (Other Events) and Item 7 (Final

Statements, Pro Forma Financial Information and Exhibits), its

announcement of the first pivotal Phase III clinical trial of

NBI-34060.



2. The Registrant filed a Current Report on Form 8-K dated November 27,

2001 to report, pursuant to Item 5 (Other Events) and Item 7 (Final

Statements, Pro Forma Financial Information and Exhibits), its

announcement of the dosing of seven subjects in the initiation of a

Phase I clinical trial with the Company's proprietary, orally active,

gonadotropin-releasing hormone antagonist.



3. The Registrant filed a Current Report on Form 8-K dated November 27,

2001 to report, pursuant to Item 5 (Other Events) and Item 7 (Final

Statements, Pro Forma Financial Information and Exhibits), the

Company's intent to file a preliminary prospectus supplement to its

$200 million universal shelf registration statement with the

Securities and Exchange Commission relating to the proposed

underwritten public offering of 3,250,000 shares of its common stock.



4. The Registrant filed a Current Report on Form 8-K dated December 3,

2001 to report, pursuant to Item 5 (Other Events) and Item 7 (Final

Statements, Pro Forma Financial Information and Exhibits), the

Company's filing of the form of Underwriting Agreement by and among

the Company and Deutsche Banc Alex. Brown Inc. and Credit Suisse First

Boston Corporation, as representatives of the several underwriters, to

be used in connection with the proposed public offering.



5. The Registrant filed a Current Report on Form 8-K dated December 4,

2001 to report, pursuant to Item 5 (Other Events) and Item 7 (Final

Statements, Pro Forma Financial Information and Exhibits), its

announcement of the pricing of the public offering of 3,500,000 shares

of common stock (plus an optional 525,000 shares for over-allotments)

at a price of $46.75 per share.



(c) Exhibits. The following exhibits are filed as part of, or incorporated by

reference into, this report:



Exhibit

Number Description

- --------------------------------------------------------------------------------

2.1 Agreement and Plan of Reorganization dated May 1, 1998, between

Northwest NeuroLogic, Inc., NBI Acquisition Corporation and the

Registrant (6)



2.2 Form of Milestone Warrant pursuant to the Agreement and Plan of

Reorganization dated May 1, 1998 (6)



3.1 Restated Certificate of Incorporation (1)



39



3.2 Bylaws (1)



3.3 Certificate of Amendment of Bylaws (1)



4.1 Form of Common Stock Certificate (1)



4.2 Form of warrant issued to existing warrant holders (1)



4.3 Information and Registration Rights Agreement dated September 15, 1992,

as amended (1)



4.4* Registration Rights Agreement dated May 28, 1998, between certain

investors and the Registrant (6)



4.5 Amended and Restated Preferred Shares Rights Agreement by and between

the Registrant and American Stock Transfer & Trust Company, as Rights

Agent, dated as of January 11, 2002 (19)



4.6 Stock Purchase Agreement dated December 20 through 23, 1999, between

Neurocrine Biosciences, Inc. and each of the Purchasers named

therein (10)



10.1 Purchase and Sale Agreement and Escrow Instructions between

MS Vickers II, LLC and the Registrant dated February 13, 1997 (3)



10.2 1992 Incentive Stock Plan, as amended (16)



10.3 1996 Employee Stock Purchase Plan, as amended (16)



10.4 1996 Director Stock Option Plan, as amended and form of stock option

agreement (12)



10.5 Form of Director and Officer Indemnification Agreement (1)



10.6 Employment Agreement dated March 1, 1997, between the Registrant and

Gary A. Lyons, as amended May 24, 2000 (4) (11)



10.7 Employment Agreement dated March 1, 1997, between the Registrant and

Paul W. Hawran, as amended May 24, 2000 (4) (11)



10.8 Consulting Agreement dated September 25, 1992, between the Registrant

and Wylie A. Vale, Ph.D. (1)



10.9 Consulting Agreement effective January 1, 1992, between the Registrant

and Lawrence J. Steinman, M.D. (1)



10.10 License Agreement dated July 17, 1992, by and between The Salk

Institute for Biological Studies and the Registrant (1)



10.11 License Agreement dated November 16, 1993, by and between The Salk

Institute for Biological Studies and the Registrant (1)



10.12 License Agreement dated October 19, 1992, by and between the Board of

Trustees of the Leland Stanford Junior University and the

Registrant (1)



10.13 Agreement dated January 1, 1995, by and between the Registrant and

Janssen Pharmaceutica, N.V. (1)



10.14* Research and License Agreement dated October 15, 1996, between the

Registrant and Eli Lilly and Company (2)



10.15* Lease between Science Park Center LLC and the Registrant dated

July 31, 1997 (5)



10.16* Option Agreement between Science Park Center LLC (Optionor) and the

Registrant dated July 31, 1997 (Optionee) (5)



10.17* Construction Loan Agreement Science Park Center LLC and the Registrant

dated July 31, 1997 (5)



10.18 Secured Promissory Note Science Park Center LLC and the Registrant

dated July 31, 1997 (5)

40



10.19* Operating Agreement for Science Park Center LLC between Nexus

Properties, Inc. and the Registrant dated July 31, 1997 (5)



10.20 Form of incentive stock option agreement and nonstatutory stock option

agreement for use in connection with 1992 Incentive Stock Plan (1)



10.21* Patent License Agreement dated May 7, 1998, between the US Public

Health Service and the Registrant (6)



10.22* Patent License Agreement dated April 28, 1998, between and among Ira

Pastan, David Fitzgerald and the Registrant (6)



10.23* Sub-License and Development Agreement dated June 30, 1998, by and

between DOV Pharmaceuticals, Inc. and the Registrant (6)



10.24* Warrant Agreement dated June 30, 1998, between DOV Pharmaceuticals,Inc.

and the Registrant (6)



10.25* Warrant Agreement dated June 30, 1998, between Jeff Margolis and the

Registrant (6)



10.26* Warrant Agreement dated June 30, 1998, between Stephen Ross and the

Registrant (6)



10.27* Collaboration and License Agreement dated January 1, 1999, by and

between American Home Products Corporation acting through its

Wyeth-Ayerst Laboratories Division and the Registrant (7)



10.28 Employment Agreement dated October 1, 1998, between the Registrant and

Margaret Valeur-Jensen, as amended May 24, 2000 (7) (11)



10.29 Employment Agreement dated January 1, 1998, between the Registrant and

Bruce Campbell, as amended May 24, 2000 (7) (11)



10.30* Agreement by and among Dupont Pharmaceuticals Company, Janssen

Pharmaceutica, N.V. and Neurocrine Biosciences, Inc. dated

September 28, 1999 (9)



10.31* Amendment Number One to the Agreement between Neurocrine Biosciences,

Inc. and Janssen Pharmaceutica, N.V. dated September 24, 1999 (9)



10.32* License Agreement between the Registrant and Taisho Pharmaceutical Co.,

Ltd. dated July 21, 2000 (11)



10.33** Amendment No. 1 dated November 30, 2000 to the License Agreement

between the Registrant and Taisho Pharmaceutical Co., Ltd. dated

July 21, 2000 (13) (15)



10.34* 2001 Stock Option Plan (14)



10.35* Collaboration and License Agreement between the Registrant and Glaxo

Group Limited dated July 20, 2001. (17)



10.36 Employment Agreement dated October 17, 2001, between the Registrant and

Henry Pan, M.D., Ph.D. (18)



21.1 Subsidiaries of the Company



23.1 Consent of Ernst & Young LLP, Independent Auditors



24.1 Power of Attorney



- ----------



(1) Incorporated by reference to the Company's Registration Statement on

Form S-1 (Registration No. 333-03172)



(2) Incorporated by reference to the Company's Report on Form 10-K for the

fiscal year ended December 31, 1996 filed on March 31, 1997



(3) Incorporated by reference to the Company's amended Quarterly Report on

Form 10-Q filed on August 15, 1997



(4) Incorporated by reference to the Company's Quarterly Report on Form

10-Q filed on August 14, 1997



(5) Incorporated by reference to the Company's Quarterly Report on Form

10-Q filed on November 14, 1997



(6) Incorporated by reference to the Company's Quarterly Report on Form

10-Q filed on August 14, 1998



(7) Incorporated by reference to the Company's Report on Form 10-K for the

fiscal year ended December 31, 1998 filed on March 31, 1999



41





(8) Incorporated by reference to the Company's Quarterly Report on Form

10-Q filed on August 11, 1999



(9) Incorporated by reference to the Company's Quarterly Report on Form

10-Q filed on November 12, 1999



(10) Incorporated by reference to the Company's Report on Form S-3 filed on

January 20, 2000



(11) Incorporated by reference to the Company's Quarterly Report on Form

10-Q filed on August 11, 2000



(12) Incorporated by reference to the Company's Report on Form S-8 filed on

August 17, 2000



(13) Incorporated by reference to the Company's Report on Form 8-K filed on

December 15, 2000



(14) Incorporated by reference to the Company's Report on Form S-8 filed on

March 15, 2001



(15) Incorporated by reference to the Company's Report on Form 10-K for the

fiscal year ended December 31, 2000 filed on March 30, 2001



(16) Incorporated by reference to the Company's Report on Form S-8 filed on

July 16, 2001



(17) Incorporated by reference to the Company's Quarterly Report on Form

10-Q filed on August 14, 2001



(18) Incorporated by reference to the Company's Quarterly Report on Form

10-Q filed on November 13, 2001



(19) Incorporated by reference to the Company's Report on Form 8-K filed on

January 14, 2002





* Confidential treatment has been granted with respect to certain

portions of the exhibit



** Confidential treatment has been requested with respect to certain

portions of the exhibit



(d) Financial Statement Schedules. See Item 14 (a)(2) above.







SIGNATURES



Pursuant to the requirements of Section 13 or 15(d) of the Securities

Exchange Act of 1934, the Registrant has duly caused this report to be signed on

its behalf by the undersigned, thereunto duly authorized.



NEUROCRINE BIOSCIENCES, INC.

A Delaware Corporation





By: /s/ Gary A. Lyons

--------------------

Gary A. Lyons

President and Chief Executive Officer



Date: March 26, 2002







42







POWER OF ATTORNEY



KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature

appears below constitutes and appoints Gary A. Lyons and Paul Hawran, jointly

and severally his attorneys-in-fact, each with the power of substitution, for

him in any and all capacities, to sign any amendment to this Report on Form

10-K, and to file the same, with exhibits thereto and other documents in

connection therewith, with the Securities and Exchange Commission, hereby

ratifying and confirming all that each of said attorneys-in-fact, or his

substitute or substitutes, may or cause to be done by virtue hereof.



Pursuant to the requirements of the Securities Exchange Act of 1934,

this report has been signed by the following persons on behalf of the Registrant

and in the capacities and on the dates indicated:



Signature Title Date

- --------- ----- ----



/s/ Gary A. Lyons President, Chief Executive March 26 2002

- --------------------------- Officer and Director

(Principal Executive Officer)

Gary A. Lyons



/s/ Paul W. Hawran Chief Financial Officer March 26, 2002

- --------------------------- (Principal Financial and

Paul W. Hawran Accounting Officer)





/s/ Joseph A. Mollica Chairman of the March 26, 2002

- --------------------------- Board of Directors

Joseph A. Mollica.





/s/ Richard F. Pops Director March 26, 2002

- ---------------------------

Richard F. Pops





/s/ Stephen A. Sherwin Director March 26, 2002

- ---------------------------

Stephen A. Sherwin



/s/ Lawrence Steinman Director March 26, 2002

- ---------------------------

Lawrence Steinman





/s/ Wylie W. Vale Director March 26, 2002

- ---------------------------

Wylie W. Vale





43







NEUROCRINE BIOSCIENCES, INC.

INDEX TO THE FINANCIAL STATEMENTS









Page



Report of Ernst & Young LLP, Independent Auditors ..................... F-2



Balance Sheets ........................................................ F-3



Statements of Operations .............................................. F-4



Statements of Stockholders' Equity .................................... F-5



Statements of Cash Flows .............................................. F-6



Notes to the Financial Statements ..................................... F-7





F-1







REPORT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS









The Board of Directors and Stockholders

Neurocrine Biosciences, Inc.



We have audited the accompanying balance sheets of Neurocrine

Biosciences, Inc. as of December 31, 2001 and 2000, and the related statements

of operations, stockholders' equity, and cash flows for each of the three years

in the period ended December 31, 2001. These financial statements are the

responsibility of the Company's management. Our responsibility is to express an

opinion on these financial statements based on our audits.



We conducted our audits in accordance with auditing standards generally

accepted in the United States. Those standards require that we plan and perform

the audit to obtain reasonable assurance about whether the financial statements

are free of material misstatement. An audit includes examining, on a test basis,

evidence supporting the amounts and disclosures in the financial statements. An

audit also includes assessing the accounting principles used and significant

estimates made by management, as well as evaluating the overall financial

statement presentation. We believe that our audits provide a reasonable basis

for our opinion.



In our opinion, the financial statements referred to above present

fairly, in all material respects, the financial position of Neurocrine

Biosciences, Inc. at December 31, 2001 and 2000, and the results of its

operations and its cash flows for each of the three years in the period ended

December 31, 2001, in conformity with accounting principles generally accepted

in the United States.









/s/ ERNST & YOUNG LLP

---------------------

ERNST & YOUNG LLP



San Diego, California

January 25, 2002







F-2











NEUROCRINE BIOSCIENCES, INC

Balance Sheets

(in thousands, except for par value and share totals)



December 31,

--------- ---------

2001 2000

--------- ---------

ASSETS



Current assets:

Cash and cash equivalents ............................ $ 163,888 $ 21,078

Short-term investments, available-for-sale ........... 156,094 143,592

Receivables under collaborative agreements ........... 9,949 5,974

Other current assets ................................. 1,584 1,761

--------- ---------

Total current assets .............................. 331,515 172,405



Property and equipment, net .............................. 12,088 11,300

Licensed technology and patent applications costs, net ... 188 362

Other non-current assets ................................. 2,559 1,895

--------- ---------

Total assets ...................................... $ 346,350 $ 185,962

========= =========



LIABILITIES AND STOCKHOLDERS' EQUITY

Current liabilities:

Accounts payable ..................................... $ 1,539 $ 1,065

Accrued liabilities .................................. 15,753 11,135

Deferred revenues .................................... 5,382 1,172

Current portion of long-term debt .................... 149 149

Current portion of capital lease obligations ......... 1,938 1,438

--------- ---------

Total current liabilities ......................... 24,761 14,959



Long-term debt, net of current portion ............... -- 162

Capital lease obligations, net of current portion .... 3,600 2,121

Deferred rent ........................................ 2,196 1,646

Deferred revenues .................................... 4,417 2,890

Other liabilities .................................... 983 976

--------- ---------

Total liabilities ................................. 35,957 22,754



Commitments and contingencies (See Note 6) ............... -- --



Stockholders' equity:

Preferred stock, $0.001 par value; 5,000,000 shares

authorized; no shares issued and outstanding ...... -- --

Common stock, $0.001 par value; 50,000,000 shares

authorized; issued and outstanding shares were

30,347,744 in 2001 and 25,314,470 in 2000 ......... 30 25

Additional paid-in capital ........................... 420,018 233,565

Deferred compensation ................................ (1,815) (59)

Notes receivable from stockholders ................... (381) (104)

Accumulated other comprehensive loss ................. (69) 261

Accumulated deficit .................................. (107,390) (70,480)

--------- ---------

Total stockholders' equity ........................ 310,393 163,208

--------- ---------

Total liabilities and stockholders' equity ........ $ 346,350 $ 185,962

========= =========







See accompanying notes.







F-3











NEUROCRINE BIOSCIENCES, INC.

Statements of Operations

(in thousands, except loss per share data)



Years Ended December 31,

---------------------------------------

2001 2000 1999 (1)

----------- ----------- -----------



Revenues:

Sponsored research and development ........ $ 16,880 $ 6,881 $ 12,662

Milestones and license fees ............... 22,937 6,345 3,000

Grant income and other revenues ........... 1,425 1,362 1,129

----------- ----------- -----------

Total revenues ......................... 41,242 14,588 16,791



Operating expenses:

Research and development .................. 74,267 40,227 29,169

General and administrative ................ 10,857 9,962 7,476

----------- ----------- -----------

Total operating expenses ............... 85,124 50,189 36,645



Loss from operations .......................... (43,882) (35,601) (19,854)



Other income and expenses:

Interest income ........................... 6,978 6,276 3,082

Interest expense .......................... (316) (228) (231)

Equity in NPI losses and other

adjustments, net ........................ - - (885)

Other income .............................. 430 1,047 1,066

----------- ----------- -----------

Loss before taxes ............................. (36,790) (28,506) (16,822)

Income taxes .................................. 120 302 -

----------- ----------- -----------

Net loss ...................................... $(36,910) $(28,808) $(16,822)

=========== =========== ===========

Loss per common share:

Basic and diluted ......................... $ (1.42) $ (1.30) $ (0.88)

=========== =========== ===========

Shares used in the calculation of loss

per common share - basic and diluted....... 26,028 22,124 19,072

=========== =========== ===========





- ----------

(1) Sponsored research and development includes $491 in revenue from a related

party for the year ended December 31, 1999.







See accompanying notes.





F-4











NEUROCRINE BIOSCIENCES, INC.

Statements of Stockholders' Equity

(in thousands)





Common stock Additional

----------------------- paid-in Deferred

Shares Amount capital compensation

-------------------------------------------------



BALANCE AT DECEMBER 31, 1998 ...................... 18,931 $19 $ 97,064 $ (187)

Net loss ............................................... - - - -

Unrealized loss on short-term investments .............. - - - -



Comprehensive loss ..................................... - - - -

Issuance of common stock from option exercises ......... 307 - 1,507 -

Issuance of common stock pursuant to the Employee

Stock Purchase Plan .................................. 42 - 213 -

Issuance of common stock, net of offering costs ........ 2,328 3 39,293 -

Amortization of deferred compensation, net ............. - - 721 (224)

-------------------------------------------------

BALANCE AT DECEMBER 31, 1999 ...................... 21,608 22 138,798 (411)

Net loss ............................................... - - - -

Unrealized gain on short-term investments .............. - - - -



Comprehensive loss ..................................... - - - -

Issuance of common stock from exercise of warrants ..... 23 - - -

Issuance of common stock for notes ..................... 6 - 1 -

Issuance of common stock from option exercises ......... 354 - 2,328 -

Issuance of common stock pursuant to the Employee

Stock Purchase Plan .................................. 98 - 1,339 -

Issuance of common stock, net of offering costs ........ 3,225 3 90,353 -

Payments received on stockholder notes ................. - - - -

Reversal of accrued 12/99 private placement costs ...... - - 182 -

Amortization of deferred compensation, net ............. - - 564 352

-------------------------------------------------

BALANCE AT DECEMBER 31, 2000 ...................... 25,314 25 233,565 (59)

Net loss ............................................... - - - -

Unrealized loss on short-term investments .............. - - - -



Comprehensive loss ..................................... - - - -

Issuance of common stock from exercise of warrants ..... 43 - 1,902 -

Issuance of common stock for notes ..................... 7 - 277 -

Issuance of common stock from option exercises ......... 781 1 2,436 -

Issuance of common stock pursuant to the Employee

Stock Purchase Plan .................................. 178 - 3,382 -

Issuance of common stock, net of offering costs ........ 4,025 4 175,558 -

Amortization of deferred compensation, net ............. - - 2,898 (1,756)

-------------------------------------------------

BALANCE AT DECEMBER 31, 2001 ...................... 30,348 $30 $420,018 $(1,815)

=================================================







F-5











NEUROCRINE BIOSCIENCES, INC.

Statements of Stockholders' Equity

(in thousands)







Notes Accumulated

receivable other Total

from comprehensive Accumulated stockholders'

stockholders income (Loss) deficit equity

-----------------------------------------------------------



BALANCE AT DECEMBER 31, 1998 $(119) $ 31 $ (24,850) $ 71,958

Net loss - - (16,822) (16,822)

Unrealized loss on short-term investments - (295) - (295)

------------

Comprehensive loss - - - (17,117)

Issuance of common stock from option exercises - - - 1,507

Issuance of common stock pursuant to the Employee

Stock Purchase Plan - - - 213

Issuance of common stock, net of offering costs - - - 39,296

Amortization of deferred compensation, net - - - 497

-----------------------------------------------------------

BALANCE AT DECEMBER 31, 1999 (119) $(264) (41,672) 96,354

Net loss - - (28,808) (28,808)

Unrealized gain on short-term investments - 525 - 525

------------

Comprehensive loss - - - (28,283)

Issuance of common stock from exercise of warrants - - -

Issuance of common stock for notes - - - 1

Issuance of common stock from option exercises - - - 2,328

Issuance of common stock pursuant to the Employee

Stock Purchase Plan - - - 1,339

Issuance of common stock, net of offering costs - - - 90,356

Payments received on stockholder notes 15 - - 15

Reversal of accrued 12/99 private placement costs - - - 182

Amortization of deferred compensation, net - - - 916

-----------------------------------------------------------

BALANCE AT DECEMBER 31, 2000 (104) 261 (70,480) 163,208

Net loss - - (36,910) (36,910)

Unrealized loss on short-term investments - (330) - (330)

------------

Comprehensive loss - - - (37,240)

Issuance of common stock from exercise of warrants - - - 1,902

Issuance of common stock for notes (277) - - -

Issuance of common stock from option exercises - - - 2,437

Issuance of common stock pursuant to the Employee

Stock Purchase Plan - - - 3,382

Issuance of common stock, net of offering costs - - - 175,562

Amortization of deferred compensation, net - - - 1,142

-----------------------------------------------------------

BALANCE AT DECEMBER 31, 2001 $(381) $ (69) $(107,390) $310,393

===========================================================





See accompanying notes.





F-5 (con't)











NEUROCRINE BIOSCIENCES, INC.

Statements of Cash Flows

(in thousands)



Years Ended December 31,

--------------------------------------

2001 2000 1999

----------- ----------- -----------



CASH FLOW FROM OPERATING ACTIVITIES

Net loss ..................................................... $ (36,910) $ (28,808) $ (16,822)

Adjustments to reconcile net loss to net cash used in

operating activities:

Equity in NPI losses and other adjustments, net .......... - - 885

Depreciation and amortization ............................ 2,651 2,198 2,066

Loss on abandonment of assets ............................ 198 80 133

Deferred revenues ....................................... 5,737 3,907 (14)

Deferred rent ........................................... 597 868 748

Non-cash compensation expense ........................... 4,024 2,677 497

Change in operating assets and liabilities:

Accounts receivable and other current assets .......... (3,798) (4,020) (752)

Other non-current assets .............................. (322) 1,014 (357)

Accounts payable and accrued liabilities .............. 5,967 3,439 3,360

----------- ----------- -------=---

Net cash used in operating activities ........................ (21,856) (18,645) (10,256)



CASH FLOW FROM INVESTING ACTIVITIES

Purchases of short-term investments .......................... (175,886) (151,582) (87,728)

Sales/maturities of short-term investments ................... 163,054 78,348 68,562

Purchases of property and equipment, net ..................... (3,805) (2,440) (2,061)

----------- ----------- -----------

Net cash used in investing activities ........................ (16,637) (75,674) (21,227)



CASH FLOW FROM FINANCING ACTIVITIES

Issuance of common stock ..................................... 179,486 93,360 41,016

Proceeds received from long-term obligations ................. 3,483 1,741 981

Principal payments on long-term obligations .................. (1,666) (984) (957)

Payments received on notes receivable from stockholders ...... - 15 -

----------- ----------- -----------

Net cash provided by financing activities .................... 181,303 94,132 41,040

----------- ----------- -----------

Net increase (decrease) in cash and cash equivalents ......... 142,810 (187) 9,557

Cash and cash equivalents at beginning of the year ........... 21,078 21,265 11,708

----------- ----------- -----------

Cash and cash equivalents at end of the year ................. $ 163,888 $ 21,078 $ 21,265

=========== =========== ===========

SUPPLEMENTAL DISCLOSURES

Supplemental disclosures of cash flow information:

Interest paid .............................................. $ 312 $ 228 $ 231

=========== =========== ===========

Taxes paid ................................................. $ 120 $ 302 $ -

=========== =========== ===========





See accompanying notes.





F-6









NEUROCRINE BIOSCIENCES, INC.

NOTES TO THE FINANCIAL STATEMENTS

December 31, 2001





NOTE 1. ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES



Business Activities. Neurocrine Biosciences, Inc. (the Company or

Neurocrine) incorporated in California in 1992 and reincorporated in Delaware in

1996. Since the Company was founded, it has been engaged in the discovery and

development of novel pharmaceutical products for neurologic and endocrine

diseases and disorders. Many of its product candidates address some of the

largest pharmaceutical markets in the world, including insomnia, anxiety,

depression, cancer, multiple sclerosis and diabetes.



Use of Estimates. The preparation of financial statements in conformity

with accounting principles generally accepted in the United States requires

management to make estimates and assumptions that affect the amounts reported in

the financial statements and the accompanying notes. Actual results could differ

from those estimates.



Cash Equivalents. The Company considers all highly liquid investments

with a maturity of three months or less when purchased, to be cash equivalents.



Short-Term Investments Available-for-Sale. Available-for-sale

securities are carried at fair value, with the unrealized gains and losses

reported in comprehensive income. The amortized cost of debt securities in this

category is adjusted for amortization of premiums and accretion of discounts to

maturity. Such amortization is included in interest income. Realized gains and

losses and declines in value judged to be other-than-temporary, if any, on

available-for-sale securities are included in interest income or expense. The

cost of securities sold is based on the specific identification method. Interest

and dividends on securities classified as available-for-sale are included in

interest income.



Concentration of Credit Risk. Financial instruments that potentially

subject the Company to concentrations of credit risk consist primarily of cash,

cash equivalents and short-term investments. The Company has established

guidelines to limit its exposure to credit expense by placing investments with

high credit quality financial institutions, diversifying its investment

portfolio and placing investments with maturities that maintain safety and

liquidity.



During the years ended December 31, 2001, 2000 and 1999, the Company

had collaborative research agreements that accounted for 97%, 91% and 93%,

respectively, of total revenue.



Property and Equipment. Property and equipment are stated at cost and

depreciated over the estimated useful lives of the assets (generally three to

seven years) using the straight-line method. Amortization of leasehold

improvements is computed over the shorter of the lease term or the estimated

useful life of the related assets.



Licensed Technology and Patent Application Costs. Licensed technology

consists of worldwide licenses to patents related to the Company's platform

technology, which are capitalized at cost and amortized over periods of seven to

eleven years. These costs are regularly reviewed to determine that they include

costs for patent applications the Company is pursuing. Costs related to

applications that are not being actively pursued are generally written-off.

Assets written-off during 2001 had a net book value of $19,000. Accumulated

amortization at December 31, 2001 and 2000 was $841,000 and $753,000,

respectively.



Impairment of Long-Lived Assets. In accordance with Statement of

Financial Accounting Standards (SFAS) No. 121, "Accounting for the Impairment of

Long-Lived Assets and for Long-Lived Assets to Be Disposed Of," if indicators of

impairment exist, the Company assesses the recoverability of the affected

long-lived assets by determining whether the carrying value of such assets can

be recovered through undiscounted future operating cash flows. If impairment is

indicated, the Company measures the amount of such impairment by comparing the

carrying value of the asset to the present value of the expected future cash

flows associated with the use of the asset. While the Company's current and

historical operating and cash flow losses are indicators of impairment, the

Company believes the future cash flows to be received from the long-lived assets

will exceed the assets' carrying value, and accordingly the Company has not

recognized any impairment losses through December 31, 2001.



F-7





Fair Value of Financial Instruments. Financial instruments, including

cash and cash equivalents, accounts receivable, accounts payable, and accrued

liabilities, are carried at cost, which management believes approximates fair

value because of the short-term maturity of these instruments.



Industry Segment and Geographic Information. The Company operates in a

single industry segment - the discovery and development of therapeutics for the

treatment of neurologic and endocrine diseases and disorders. The Company has no

foreign operations for the years ended December 31, 2001, 2000 and 1999.



Revenue Recognition. Revenues under collaborative research agreements

and grants are recognized as research costs are incurred over the period

specified in the related agreement or as the services are performed. These

agreements are on a best-efforts basis and do not require scientific achievement

as a performance obligation and provide for payment to be made when costs are

incurred or the services are performed. All fees are nonrefundable to the

collaborators. Up-front, nonrefundable payments for license fees and advance

payments for sponsored research revenues received in excess of amounts earned

are classified as deferred revenue and recognized as income over the period

earned. Milestone payments are recognized as revenue upon achievement of

pre-defined scientific events. Revenues from government grants are recognized

based on a percentage-of-completion basis as the related costs are incurred. The

Company recognizes revenue only on payments that are nonrefundable and when the

work is performed.



In December 1999, the Securities and Exchange Commission (SEC) issued

Staff Accounting Bulletin (SAB) No. 101, "Revenue Recognition in Financial

Statements." SAB 101 provides guidance in applying generally accepted accounting

principles to revenue recognition in financial statements, including the

recognition of nonrefundable up-front fees received in conjunction with a

research and development arrangement. The adoption of this pronouncement was

required effective with the fourth quarter of 2000.



As required by the adoption of SAB 101, the Company reviewed all

up-front payments, license fees and milestones received in the current and prior

years. Up-front payments have been received for program cost reimbursements

incurred during a negotiation period. License fees are received in exchange for

a grant to use the Company's proprietary technologies on an as-is basis for the

term of the collaborative agreement. Milestones are received for specific

scientific achievements determined at the beginning of the collaboration. These

achievements are remote and unpredictable at the onset of the collaboration and

are based on the success of scientific efforts.



Based on that review, the Company determined that $4.2 million of

license fees received during 2000 were subject to the adoption of SAB No. 101.

All other fees received relate to agreements under which the research portion of

the collaboration has been completed or the agreements have been terminated

entirely. In accordance with Accounting Principles Board (APB) Opinion No. 20,

the adoption of SAB No. 101 was recognized by including the cumulative effect of

the change in accounting principle in the net loss for the fourth quarter of

2000. The otherwise reported net loss for the year ended December 31, 2000 was

increased by approximately $3.8 million. These license fee revenues were

deferred and will be amortized as income through 2005.



Research and Development Expenses. Research and development costs are

expensed as incurred. Such costs include: personnel expenses, contractor fees,

laboratory supplies, facilities, miscellaneous expenses and allocations of

corporate costs. These expenses are incurred during proprietary research and

development activities, as well as providing services under collaborative

research agreements and grants. Research and development expenses relating to

collaborative agreements and grants were approximately $24.9 million, $10.1

million and $7.2 million during 2001, 2000 and 1999, respectively.



Stock-Based Compensation. As permitted by SFAS No. 123, "Accounting for

Stock-Based Compensation," the Company has elected to follow APB Opinion No. 25,

"Accounting for Stock Issued to Employees", and related Interpretations in





F-8





accounting for stock-based employee compensation. Deferred compensation is

recorded for employee options only in the event that the fair market value of

the stock on the date of the option grant exceeds the exercise price of the

options. The deferred compensation is amortized over the vesting period of the

options.



In March 2000, the Financial Accounting Standards Board (FASB) issued

Interpretation No. 44 (FIN 44), "Accounting for Certain Transactions Involving

Stock Compensation - An Interpretation of APB Opinion No. 25". This

interpretation clarifies the definition of employee for purposes of applying APB

Opinion No. 25, the criteria for determining whether a plan qualifies as a

non-compensatory plan, the accounting consequence of various modifications to

the terms of a previously fixed stock option or award, and the accounting for an

exchange of stock compensation awards in a business combination. FIN 44 was

effective and the Company adopted the interpretation on July 1, 2000. The

adoption did not have a material impact on the Company's results of operations.



Deferred charges for options granted to non-employees has been

determined in accordance with SFAS No. 123 and Emerging Issues Task Force (EITF)

96-18, "Accounting For Equity Instruments that Are Issued to Other Than

Employees For Acquiring in Conjunction with Selling, Goods or Services," as the

fair value of the consideration received or the fair value of the equity

instruments issued, whichever is more reliably measured. Deferred charges for

options granted to non-employees are periodically remeasured as the underlying

options vest and are included in deferred compensation in the financial

statements.



Earnings (Loss) Per Share. The Company computes net loss per share in

accordance with SFAS No. 128, "Earnings Per Share." Under the provisions of SFAS

No. 128, basic net income (loss) per share is computed by dividing the net

income (loss) for the period by the weighted average number of common shares

outstanding during the period. Diluted net income (loss) per share is computed

by dividing the net income (loss) for the period by the weighted average number

of common and common equivalent shares outstanding during the period.

Potentially dilutive securities composed of incremental common shares issuable

upon the exercise of stock options and warrants, were excluded from historical

diluted loss per share because of their anti-dilutive effect. Dilutive common

stock equivalents would include the dilutive effects of common stock options,

warrants for common stock, and restricted stock that has not yet fully vested.

Potentially dilutive securities totaled 2.0 million, 2.6 million and 642,000 for

the years ended December 31, 2001, 2000 and 1999, respectively, and were

excluded from the diluted earnings per share because of their anti-dilutive

effect.



Comprehensive Income. Comprehensive income is calculated in accordance

with SFAS No. 130, "Comprehensive Income." SFAS No. 130 requires the disclosure

of all components of comprehensive income, including net income and changes in

equity during a period from transactions and other events and circumstances

generated from non-owner sources. The Company's other comprehensive income

consisted of gains and losses on short-term investments and is reported in the

statements of stockholders' equity.



Reclassifications. Certain reclassifications have been made to prior

year amounts to conform to the presentation for the year ended December 31,

2001.



Impact of Recently Issued Accounting Standards. In June 2001, the FASB

issued SFAS No. 141, "Business Combinations," and SFAS No. 142, "Goodwill and

Other Intangible Assets." SFAS No. 141 supercedes APB No. 16, "Business

Combinations," and SFAS No. 38, "Accounting for Preacquisition Contingencies of

Purchased Enterprises," and requires that all business combinations be accounted

for by a single method -- the purchase method. SFAS No. 141 also provides

guidance on the recognition of intangible assets identified in a business

combination and requires enhanced financial statement disclosures. SFAS No. 142

adopts a more aggregate view of goodwill and bases the accounting for goodwill

on the units of the combined entity into which an acquired entity is integrated.

In addition, SFAS No. 142 concludes that goodwill and intangible assets that

have indefinite useful lives will not be amortized but rather will be tested at

least annually for impairment. Intangible assets that have finite lives will

continue to be amortized over their useful lives. SFAS No. 141 is effective for

all business combinations initiated after June 30, 2001. The adoption of SFAS

No. 142 is required for fiscal years beginning after December 15, 2001, except





F-9





for the nonamortization and amortization provisions, which are required for

goodwill and intangible assets acquired after June 30, 2001. The adoption of

SFAS No. 141 had no impact on the Company's financial position or results of

operations. The Company will adopt SFAS No. 142 in the first quarter of 2002 and

believes that the adoption will not have a material impact on its financial

position or results of operations.



In October 2001, the FASB issued SFAS No. 144, "Accounting for the

Impairment or Disposal of Long-Lived Assets," which establishes one accounting

model to be used for long-lived assets to be disposed of by sale and broadens

the presentation of discontinued operations to include more disposal

transactions. SFAS No. 144 supercedes SFAS No. 121, "Accounting for the

Impairment of Long-Lived Assets and for Long-Lived Assets to Be Disposed Of,"

and the accounting and reporting provisions of APB Opinion No. 30. SFAS No. 144

is effective for fiscal years beginning after December 15, 2001. The Company

will adopt SFAS No. 144 in the first quarter of 2002 and believes that the

adoption will not have a material impact on its financial position or results of

operations.





Note 2. SHORT-TERM INVESTMENTS



Cash, cash equivalents, and short-term investments totaled $320.0

million and $164.7 million as of December 31, 2001 and 2000, respectively. The

following is a summary of short-term investments classified as

available-for-sale securities (in thousands):







--------- ---------- ---------- ---------

Gross Gross Estimated

Amortized Unrealized Unrealized Fair

Cost Gains Losses Value

--------- ---------- ---------- ---------



December 31, 2001

US Government securities ..... $ 6,000 $ 17 $ -- $ 6,017

Corporate debt securities .... 150,163 -- (86) 150,077

--------- ---------- ---------- ---------

Total securities .... $156,163 $ 17 $ (86) $156,094

========= ========== ========== =========

December 31, 2000

US Government securities ..... $ 2,000 $ -- $ (3) $ 1,997

Corporate debt securities .... 141,331 264 -- 141,595

--------- ---------- ---------- ---------

Total securities .... $143,331 $ 264 $ (3) $143,592

========= ========== ========== =========







The amortized cost and estimated fair value of debt securities by

contractual maturity at December 31, 2001 are shown below (in thousands):



Amortized Estimated

Cost Fair Value

--------- ----------

Due in 12 months or less ........................ $113,597 $113,618

Due between 12 months and 44 months ............. 42,566 42,476

--------- ----------

$156,163 $156,094

========= ==========



The following table presents certain information related to

sales of available-for-sale securities (in thousands):



Years Ended December 31,

-------------------------------

2001 2000 1999

--------- --------- ---------

Proceeds from sales .................... $163,054 $ 78,348 $ 68,562

Gross realized gains on sales .......... $ 583 $ 304 $ 4

Gross realized losses on sales ......... $ (870) $ (32) $ (150)



F-10





NOTE 3. PROPERTY AND EQUIPMENT



Property and equipment at December 31, 2001 and 2000 consist of the

following (in thousands):





-------- --------

2001 2000

-------- --------



Land ............................ $ 4,661 $ 5,003

Furniture and fixtures .......... 1,583 2,051

Equipment ....................... 12,734 11,179

Leasehold improvements .......... 1,238 1,113

-------- --------

20,216 19,346

Less accumulated depreciation ... (8,128) (8,046)

-------- --------

Property and equipment, net ..... $ 12,088 $ 11,300

======== ========





Furniture and equipment under capital leases were $10.3 million and

$8.5 million at December 31, 2001 and 2000, respectively. Accumulated

depreciation of furniture and equipment under capital leases totaled $5.0

million and $5.0 million at December 31, 2001 and 2000, respectively. The

Company entered into $3.5 million of additional capital leases during 2001 and

$1.8 million during 2000.





NOTE 4. ACCRUED LIABILITIES



Accrued liabilities at December 31, 2001 and 2000 consist of the

following (in thousands):





-------- --------

2001 2000

-------- --------



Accrued employee benefits ........ $ 2,438 $ 2,992

Accrued professional fees ........ 1,300 1,229

Accrued development costs ........ 11,150 6,199

Other accrued liabilities ........ 865 715

-------- --------

$ 15,753 $ 11,135

======== ========





NOTE 5. DEBT



During 1997, the Company partially financed the purchase of land under

a five-year note payable for approximately $747,000, which bears interest at a

floating rate of prime plus one quarter percent (5.00% and 9.75% at December 31,

2001 and 2000, respectively). The note is repayable in equal monthly

installments beginning February 1998. At December 31, 2001, the balance of the

note was $149,000, which is scheduled for repayment in the year 2002.





NOTE 6. COMMITMENTS AND CONTINGENCIES



Capital Lease Obligations. The Company has financed certain equipment

under capital lease obligations, which expire on various dates through the year

2005 and bear interest at rates between 6.0% and 9.6%. The lease commitments are

repayable in monthly installments.



Operating Leases. In September 1998, the Company leased an expanded

laboratory and office complex under a 15-year operating lease from the Science

Park Center, LLC, of which the Company owns a minority interest. The lease

contains a 4% per year escalation in base rent fees, effective with each

anniversary, and generally requires the Company to pay taxes, insurance and

maintenance.



Rent expense is recognized on a straight-line basis resulting in

deferred rent of $2.2 million and $1.6 million at December 31, 2001 and 2000,

respectively. Rent expense was $1.7 million, $2.5 million and $2.7 million for





F-11





the years ended December 31, 2001, 2000 and 1999, respectively. Sublease income

was $698,000, $1.2 million and $1.2 million for the years ended December 31,

2001, 2000 and 1999, respectively.



The Company subleases a portion of the space to an unrelated party. The

sublease will expire in March 2002. Future minimum sublease income to be

received under non-cancelable subleases at December 31, 2001 will be

approximately $90,000 for the year ending December 31, 2002.



Licensing and Research Agreements. The Company has entered into

licensing agreements with various universities and research organizations, which

are cancelable at the option of the Company with terms ranging from 0-180 days

written notice. Under the terms of these agreements, the Company has received

licenses to research tools, know-how and technology claimed, in certain patents

or patent applications. The Company is required to pay fees, milestones and/or

royalties on future sales of products employing the technology or falling under

claims of a patent, and, certain agreements require minimum royalty payments.

Certain agreements also require the Company to pay expenses arising from the

prosecution and maintenance of the patents covering the licensed technology. Due

to the uncertainty of the pharmaceutical development process, the Company

continually reassesses the value of the license agreements and cancels them as

research efforts are discontinued on these programs. If all licensed and

research candidates are successfully developed, the Company may be required to

pay milestone payments of approximately $13.8 million over the lives of these

agreements, in addition to sales royalties ranging from 1% - 6%. Due to the

uncertainties of the development process, the timing and probability of the

milestone and royalty payments cannot be accurately estimated.



Clinical Development Agreements. The Company has entered into

agreements with various vendors for the pre-clinical and clinical development of

its product candidates, which are cancelable at the option of the Company for

convenience or performance, with terms ranging from 0-180 days written notice.

Under the terms of these agreements, the vendors provide a variety of services

including conduct of pre-clinical development research, manufacture of clinical

compounds, enrollment of patients, monitoring of studies, data analysis and

regulatory filing assistance. Payments under these agreements typically include

fees for services and reimbursement of expenses. Some agreements may also

include incentive bonuses for time-sensitive activities. The timing of payments

due under these agreements were estimated based on current schedules of clinical

studies in progress.



Repayment schedules for commitments and contractual obligations at

December 31, 2001 are as follows (in thousands):





Licenses &

Capital Operating Research Development

Leases Leases Agreements Agreements

-------------------------------------------------



Fiscal Year:

2002 ......................... $ 2,277 $ 2,626 $ 884 $ 26,330

2003 ......................... 1,749 2,731 507 17,422

2004 .... .................... 1,504 2,841 263 4,355

2005 ......................... 686 2,954 20 -

2006 ......................... - 3,072 10 -

Thereafter ................... - 23,854 40 -

-------------------------------------------------

Total minimum payments ....... $ 6,216 $38,078 $ 1,724 $ 48,107

Less: amounts representing

interest ..................... (678)

---------

Future minimum payments ...... 5,538

Less: current portion ....... (1,938)

---------

Future payments on capital

lease obligations ............ $ 3,600

=========





F-12





NOTE 7. SCIENCE PARK CENTER, LLC



In May 1997, the Company along with two unrelated parties formed a

limited liability company in order to construct an office and laboratory

facility. Science Park Center LLC (the LLC), is a California limited liability

company, of which the Company owns a nominal minority interest. In relation to

the construction of the facility, the Company sold a parcel of land to the LLC

in exchange for a note receivable in the amount of $3.5 million plus interest of

8.25%. The sales price was established by the fair market value of the parcel at

the time of sale.



During 1998, the LLC constructed a laboratory and office facility and

leased the facility to the Company under a 15-year operating lease. The Company

has the option to purchase the facility at any time during the term of the

lease at the unamortized cost of the first mortgage.



Based on the structure of the arrangement with the LLC, this operating

lease is commonly referred to as a "synthetic lease." A synthetic lease is a

form of off-balance sheet financing under which an unrelated third party funds

up to 100% of the costs for the acquisition and/or construction of the facility

into an LLC and leases the facility to a lessee. At least 3% of the third party

funds represent at-risk equity and must remain at-risk to qualify as an

operating lease. A synthetic lease is treated as an operating lease for

accounting purposes and a financing lease for tax purposes. The Company selected

the synthetic lease for financing advantages. The Company periodically reviews

the fair value of the property leased to determine potential accounting

ramifications.



For accounting purposes, the sale of land to the LLC does not qualify

as a sale under SFAS No. 98 "Accounting for Leases," and therefore, the entire

amount of the note receivable is included in land and interest payments from the

LLC and offset rent expenses recorded by the Company. The amount included in

land at December 31, 2001 and 2000 was $3.2 million and $3.5 million,

respectively. The interest income from the LLC note offset the Company's

facilities expenses by approximately $298,000, $304,000 and $331,000 for the

years ended December 31, 2001, 2000 and 1999, respectively.



If at any time the third party fails to maintain at least 3% at-risk

equity, the Company will need to consolidate the LLC, which will result in debt

and equity being recorded in its financial statements. The following are the

unaudited, condensed balance sheets and statements of income for the LLC:







Science Park Center, LLC

Balance Sheets

(unaudited, in thousands)



December 31,

------- -------

2001 2000

------- -------



Current assets ................................. $ 240 $ 230

Building, net .................................. 14,038 14,564

Land ........................................... 3,485 3,485

Deferred rent .................................. 2,196 1,646

------- -------

Total assets ................................... $19,959 $19,925

======= =======



Current liabilities ............................ $ 112 $ 5

Notes payable to Neurocrine .................... 3,161 3,502

Building loan .................................. 14,280 14,444

Distribution payable ........................... 1,695 991

------- -------

Total liabilities .............................. 19,248 18,942



Retained earnings .............................. 711 983

------- -------

Total liabilities and shareholders' equity ..... $19,959 $19,925

======= =======





F-13









Science Park Center, LLC

Statements of Income

(unaudited, in thousands)



Years Ended December 31,

------ ------ ------

2001 2000 1999

------ ------ ------



Rental income ...................... $3,076 $3,076 $3,087

Operating expenses ................. 632 635 622

Interest expense, net .............. 1,366 1,293 1,329

Income taxes ....................... 10 5 7

------ ------ ------

Net income ......................... $1,068 $1,143 $1,129

====== ====== ======





The Company receives disbursements from the LLC from retained earnings

above and beyond the at-risk equity of the unrelated parties. The LLC accrues

the disbursements payable to Neurocrine on a monthly basis and periodically

makes cash payments to reduce those payables. The disbursements due Neurocrine

are offset against rent expense recorded by the Company. Disbursements recorded

by the Company for the years ended December 31, 2001, 2000 and 1999 were $1.1

million, $723,000 and $855,000, respectively.





Note 8. STOCKHOLDERS' EQUITY



Common Stock Issuances. From inception through 2001, the Company has

issued common stock in various private and public offerings, as well as to

corporate collaborators, at prices between $5.00 and $46.75 per share resulting

in aggregate net proceeds of approximately $384.1 million. This total includes a

December 2001 public offering, in which the Company sold 4.0 million shares of

its common stock at $46.75 per share. The net proceeds generated from this

transaction were $175.6 million.



Options. The Company has authorized 8.0 million shares of common stock for

issuance upon exercise of options or stock purchase rights granted under the

1992 Incentive Stock Option Plan, 1996 Director Option Plan, 1997 NNL Stock

Option Plan and 2001 Stock Option Plan (collectively, the Option Plans). The

Option Plans provide for the grant of stock options and stock purchase rights to

officers, directors, and employees of, and consultants and advisors to, the

Company. Options under the Option Plans have terms of up to 10 years from the

date of grant and may be designated as incentive stock options or nonstatutory

stock options under the plans. Of the shares available for future issuance under

the Option Plans, 3.9 million are outstanding grants and 909,000 remain

available for future grant.



A summary of the Company's stock option activity, and related

information for the years ended December 31 follows (in thousands, except for

weighted average exercise price data):









2001 2000 1999

------------------ ------------------ ------------------

Weighted Weighted Weighted

Average Average Average

Exercise Exercise Exercise

Options Price Options Price Options Price

------------------ ------------------ ------------------



Outstanding at January 1 ..... 3,911 $12.75 3,158 $ 5.91 2,793 $6.02

Granted ...................... 980 31.17 1,136 29.66 1,142 6.03

Exercised .................... (850) 6.14 (354) 6.56 (412) 4.79

Canceled ..................... (158) 19.09 (29) 11.69 (365) 6.52

------------------ ----------------- ------------------

Outstanding at December 31 ... 3,883 $18.59 3,911 $12.75 3,158 $5.91

================== ================= ==================





F-14





A summary of options outstanding as of December 31, 2001 follows (in

thousands, except for weighted average remaining contractual life and weighted

average exercise price data):









Options Outstanding Options Exercisable

-------------------------------------------------------------- --------------------------

Weighted

Average Weighted Weighted

Outstanding Remaining Average Exercisable Average

Range of as of Contractual Exercise As of Exercise

Exercise Prices 12/31/01 Life Price 12/31/01 Price

-------------------------------------------------------------- --------------------------



$ 0.02 to $ 4.88 642 4.2 $ 3.42 540 $ 3.29

$ 4.94 to $ 7.00 615 6.5 5.94 445 6.08

$ 7.01 to $10.25 602 5.6 8.21 565 8.13

$11.19 to $27.00 640 8.4 21.05 156 19.47

$27.60 to $34.50 698 9.0 32.22 166 33.69

$34.98 to $52.83 686 9.1 37.06 131 37.15

-------------------------------------------------------------- --------------------------

$ 0.02 to $52.83 3,883 7.2 $18.59 2,003 $11.27





The weighted average fair values (computed using Black-Scholes) of the

options granted during 2001, 2000 and 1999 were $20.54, $20.51 and $3.75,

respectively.



Pro forma information regarding net loss is required by SFAS No. 123

and has been determined as if the Company had accounted for its employee stock

options under the fair value method of that Statement. The fair value for these

options was estimated at the date of grant using a Black-Scholes option pricing

model using the following weighted average assumptions for 2001, 2000 and 1999,

respectively: risk-free interest rates of 4.4%, 5.0% and 6.4%; a dividend yield

of 0.0% (for all years); volatility factors of the expected market price of the

Company's common stock of .80, .81 and .74; and a weighted average expected life

of the option of 5 years (for all years presented).



For purposes of pro forma disclosures, the estimated fair value of the

options granted is amortized to expense over the options' vesting period. The

pro forma effect on net losses for 2001, 2000 and 1999 is not likely to be

representative of the effects on reported income or loss in future years because

these amounts reflect less than full vesting for options granted during these

periods. The Company's reported and pro forma information for the years ended

December 31, 2001, 2000 and 1999 follows (in thousands, except for loss per

share data):









2001 2000 1999

---------- ---------- ----------



Net loss as reported .......... $(36,910) $(28,808) $(16,822)

Loss per share

(basic and diluted) .......... $ (1.42) $ (1.30) $ (0.88)

Pro forma net loss ............ $(44,188) $(31,057) $(18,303)

Pro forma loss per share

(basic and diluted) .......... $ (1.70) $ (1.40) $ (0.96)





Employee Stock Purchase Plan. The Company has reserved 525,000 shares

of common stock for issuance under the 1996 Employee Stock Purchase Plan, as

amended on May 24, 2001 (the Purchase Plan). The Purchase Plan permits eligible

employees to purchase common stock through payroll deductions at a purchase

price equal to 85% of the lesser of the fair market value per share of common

stock on the enrollment date or on the date on which the shares are purchased.

As of December 31, 2001, 369,000 shares have been issued pursuant to the

Purchase Plan.



Warrants. The Company has outstanding warrants to purchase 376,000

shares of common stock at the following exercise prices. At December 31, 2001,

all outstanding warrants were exercisable.









Warrants Outstanding at

Exercise Prices December 31, 2001 Expiration

- --------------------------------------------------------------------



$ 8.04 15,000 11/2006

$10.50 301,000 03/2006

$41.41 60,000 11/2006

---------

376,000

=========





F-15





The following shares of common stock are reserved for future issuance

at December 31, 2001 (in thousands):



Stock option plans .................... 4,792

Employee stock purchase plan .......... 156

Warrants .............................. 376

---------

Total ................................. 5,324

=========





Note 9. SIGNIFICANT COLLABORATIVE RESEARCH AND DEVELOPMENT AGREEMENTS



GlaxoSmithKline. In July 2001, the Company announced a worldwide

collaboration with GlaxoSmithKline (GSK) to develop and commercialize CRF

antagonists for psychiatric, neurological and gastrointestinal diseases. Under

the terms of this agreement, the Company and GSK will conduct a collaborative

research program for up to five years and collaborate in the development of

Neurocrine's current lead compounds, as well as novel back-up candidates and

second generation compounds identified through the collaborative research. In

addition, the Company will be eligible to receive milestone payments as

compounds progress through the research and development process, royalties on

future product sales and co-promotion rights in the U.S. under some conditions.

GSK may terminate the agreement at its discretion upon prior written notice to

the Company. In such event, the Company may be entitled to certain payments and

all product rights would revert to Neurocrine. The total collaborative value of

the GSK collaboration is the largest in Neurocrine's history. For the year ended

December 31, 2001, the Company recognized $19.2 million in revenue under the GSK

agreement. At December 31, 2001, the Company had $6.9 million of deferred

license fees and sponsored research revenues that will be amortized over the

life of the agreement and as services are performed, respectively.



Taisho Pharmaceutical Co., Ltd. In December 1999, the Company entered

into an agreement with Taisho Pharmaceutical Co., Ltd. (Taisho), providing to

them an exclusive option to obtain European, Asian and North American

development and commercialization rights for Neurocrine's altered peptide ligand

product, NBI-6024, for Type 1 diabetes in exchange for a $2.0 million option

fee. In July 2000, Taisho exercised its option as to Europe and Asia, and in

December 2000, Taisho exercised its option as to North America. Together with

Taisho, the Company formed a steering committee to oversee the worldwide

development of NBI-6024. The Company will receive license fees, milestone

payments, and reimbursement of 100% of worldwide development expenses. In

addition, the Company will receive payments on product sales for the term of the

patents covering NBI-6024, subject to adjustment for payments to third parties.

Taisho may terminate the agreement at its discretion upon prior written notice

to us. In such event, all product rights would revert to the Company. For the

years ended December 31, 2001 and 2000, the Company recognized $16.6 million and

$7.1 million, respectively, in revenue under the Taisho agreement. No revenue

was recognized in 1999. As of December 31, 2001, the Company had $2.9 million of

deferred license fees and sponsored research revenues that will be amortized

over the life of the agreement and as services are performed, respectively.



Wyeth-Ayerst Laboratories. Effective January 1999, the Company entered

into a collaboration and license agreement with Wyeth-Ayerst Laboratories

(Wyeth-Ayerst) relating to the research, development and commercialization of

compounds that control excitatory amino acid transporters for the treatment of

neurodegenerative and psychiatric diseases. The Company has granted Wyeth-Ayerst

exclusive and non-exclusive rights to different portions of the Company's

excitatory amino acid transporters technology as well as exclusive rights to any

products developed during the collaboration. These licenses are for the term of

the patents licensed. The Company will receive royalties on product sales for

the terms of the patents covering the collaboration products, subject to

adjustments for royalties payable to other parties and for competition. The

Company will also receive royalties for products that are not the subject of

issued patents. The Company also has the option to co-promote collaboration

products in Canada and the United States under some conditions. Wyeth-Ayerst may

terminate the agreement if they decide that the research is not successful, if

they decide to stop the program or if Neurocrine is acquired by another company.

The agreement may also be terminated by either party for the other party's

failure to meet its obligations under the agreement or bankruptcy. For the years

ended December 31, 2001, 2000 and 1999, the Company recognized $3.4 million,

$3.0 million and $6.0 million, respectively, in revenues under the Wyeth-Ayerst

agreement.



F-16





The three-year term of the sponsored research under the Wyeth-Ayerst

agreement was scheduled to terminate January 1, 2002. However, in December 2001,

the Company and Wyeth-Ayerst agreed to extend the term of the sponsored research

for a period of three months during which time Neurocrine and Wyeth-Ayerst will

discuss a further extension. In connection with the three-month extension, the

Company received $375,000 of sponsored research funding.



Eli Lilly and Company. In October 1996, the Company entered into a

research and license agreement with Eli Lilly and Company (Eli Lilly) to

collaborate in the discovery, development and commercialization of CRF binding

protein ligand inhibitors for the treatment of central nervous system disorders

including obesity and dementias, such as Alzheimer's disease, and CRF R2

agonists for central nervous system diseases and disorders. Under the agreement,

the Company received and recognized three years of sponsored research and

development payments totaling $17.2 million. The Company also is entitled to

milestone payments for certain development and regulatory accomplishments. The

Company will have the option to receive co-promotion rights and share profits

from commercial sales of select products that result from the collaboration in

the U.S. or receive royalties on U.S. product sales. The Company will receive

royalties on product sales for the rest of the world.



In October 1999, the funded portion of the research program concluded

as scheduled. The Company believes Eli Lilly is not planning any specific future

development efforts. Therefore, no further payments are anticipated under this

agreement. For the year ended December 31, 1999, the Company recognized $3.2

million in revenue under the Eli Lilly agreement. No revenues were recognized

for the years ended December 31, 2001 and 2000.



Janssen Pharmaceutica, N.V. In January 1995, the Company entered into

the first of two research and development agreements with Janssen Pharmaceutica,

N.V. (Janssen) to collaborate in the discovery, development and

commercialization of small molecule CRF R1 antagonists for the treatment of

anxiety, depression and substance abuse. Under the January 1995 agreement,

Janssen funded three years of research at Neurocrine and received exclusive

licenses to all CRF R1 antagonist compounds developed during the term of the

funded research or during the year thereafter. The collaborative research

portion of the first Janssen agreement was completed as scheduled in 1997. In

September 1999, together with Janssen, the Company entered into an amended

agreement to expand the collaborative research and development efforts to

identify additional small molecule CRF antagonists for the treatment of

psychiatric disorders. In connection with the amended Janssen agreement, the

Company received an initial payment and two years of additional research funding

for our scientists working in collaboration with Janssen. All collaboration

products identified under the 1999 agreement are subject to the same terms and

conditions as the products arising under the 1995 agreement. This additional

research was completed in February 2001. The 1999 agreement provides that in

August 2001 Neurocrine was to receive either a $3.5 million milestone payment

from Janssen or exclusive rights to the first generation back-up compounds. The

Company agreed to postpone the August event to allow Janssen to complete certain

studies with the back-up program compounds. In March 2002, Janssen notified us

that it had discontinued development of the backup compound and elected to

terminate both the 1995 and 1999 agreements. As a result, exclusive rights to

all of the first generation CRF R1 antagonist compounds developed thereunder

reverted to Neurocrine. We do not expect additional payments of any kind under

the Janssen agreement.



For the years ended December 31, 2001, 2000 and 1999, the Company

recognized $525,000, $3.0 million and $2.4 million, respectively, in revenues

under terms of the Janssen agreements.



Novartis. In January 1996, the Company entered into an agreement with

Novartis under which Novartis paid the Company $5.0 million in up-front license

fees and was obligated to provide the Company with $7.0 million in research and

development funding during the first two years of the agreement. For the years

ended December 31, 2000 and 1999, the Company recognized $90,000 and $3.6

million in revenue under the Novartis agreement.



F-17





On July 7, 1999, Novartis exercised its right to terminate the

agreement, effective January 7, 2000. As a result, the Company reacquired the

worldwide rights to its multiple sclerosis compound.





Note 10. Related Party Transactions



Neuroscience Pharma, Inc. In March 1996, the Company along with a group

of Canadian institutional investors (the Canadian Investors) established

Neuroscience Pharma, Inc. (NPI). The Company's contribution was to license

certain technology and Canadian marketing rights to NPI. The Canadian Investors

contributed approximately $9.5 million in cash in exchange for shares of NPI

preferred stock (the Preferred Shares), which was convertible into shares of the

Company's common stock at the option of the Canadian Investors. In addition, the

Canadian Investors received warrants exercisable for 383,875 shares of the

Company's common stock at an exercise price of $10.50 per share and may be

eligible to receive additional warrants upon the attainment of certain

additional funding. As of December 31, 2001, 82,691 warrants have been

exercised.



During 1997 and 1998, the Canadian Investors converted their Preferred

Shares to shares of the Company's Common Stock. As a result, the Company

recorded an investment in NPI equal to the market value of Common Stock issued

in exchange for the Preferred Shares and has recognized its proportionate share

of the NPI net losses in accordance with the equity method of accounting. Equity

in NPI losses totaled $764,000 in 1999.



During 1996, the Company entered into a sponsored research agreement

with NPI. The terms of the agreement called for NPI to fund additional research

efforts on technologies licensed to NPI by the Company. Associated with the

costs of research on those certain programs, the Company recognized revenues of

$491,000 during 1999.



The Preferred Shares were redeemable for cash at the Company's option.

The redemption feature of the Preferred Shares limited their value to the

balance of cash and cash equivalents maintained by NPI. Consequently, the

Company reduced the value of its NPI investment by $647,000 during 1999. The

balance of the Company's investment in NPI was $0 at December 31, 1999.



In December 1999, the Company sold its investment in NPI in exchange

for cash, receivables and potential royalties on worldwide sales resulting from

certain of NPI's future products. The Company recorded a gain of $526,000 on the

sale of this investment. The gain was calculated using the total consideration

of cash and receivables, less the carrying value of the NPI investment. No value

was assigned to potential royalties on future product sales due to the

uncertainty of this event. This transaction, as well as those discussed above,

is included in "Equity in NPI losses and other adjustments, net" reported on the

Statements of Operations.





Note 11. Income Taxes



At December 31, 2001, the Company had Federal and California income tax

net operating loss carry-forwards of approximately $76.0 million and $23.8

million, respectively. The Federal and California tax loss carry-forwards will

begin to expire in 2010 and 2003, respectively, unless previously utilized. The

Company also has Federal and California research tax credit carry-forwards of

approximately $1.3 million and $5.7 million, respectively, which will begin to

expire in 2007 and 2012, respectively, unless previously utilized. The Company

has Federal Alternative Minimum Tax credit carry-forwards of approximately

$257,000, which will carry-forward indefinitely.



Pursuant to Internal Revenue Code Sections 382 and 383, annual use of

the Company's net operating loss and credit carry-forwards may be limited

because of cumulative changes in ownership of more than 50%. However, the

Company does not believe such changes will have a material impact upon the

utilization of these carry-forwards.



F-18





Significant components of the Company's deferred tax assets as of

December 31, 2001 and 2000 are shown below. A valuation allowance of $45.7

million and $27.2 million at December 31, 2001 and 2000, respectively, have been

recognized to offset the net deferred tax assets as realization of such assets

is uncertain. Amounts are shown in thousands as of December 31, of the

respective years:









2001 2000

----------- ----------



Deferred tax assets:

Net operating loss carry-forwards ........ $ 27,975 $ 16,487

Tax credit carry-forwards ................ 13,283 8,140

Capitalized research and development ..... 3,733 2,098

Other, net ............................... 729 479

----------- -----------

Total deferred tax assets ................ 45,720 27,204

Valuation allowance ...................... (45,720) (27,204)

----------- ----------

Net deferred tax assets .................. $ - $ -

=========== ==========





The provision for income taxes on earnings subject to income taxes

differs from the statutory Federal rate at December 31, 2001, 2000 and 1999, due

to the following:









2001 2000 1999

--------- -------- --------



Federal income taxes at 34% ................ $(12,582) $(9,692) $(5,719)

State income tax, net of Federal benefit ... (1,736) - -

Tax effect on non-deductible expenses ...... (4,202) 335 932

Increase in valuation allowance ............ 18,520 9,357 4,787

--------- -------- --------

$ - $ - $ -

========= ======== ========







NOTE 12. RETIREMENT PLAN



The Company has a 401(k) defined contribution savings plan (the 401(k)

Plan). The 401(k) Plan is for the benefit of all qualifying employees and

permits employees voluntary contributions up to 20% of base salary limited by

the IRS-imposed maximum. On January 1, 2001, the Company began matching 50% of

employee contributions up to 6% of eligible compensation, which cliff vests over

four years. Employer contributions were $359,000 for the year ended December 31,

2001. No employer contributions were made in 2000 and 1999.





NOTE 13. SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)



The following is a summary of the quarterly results of operations for

the years ended December 31, 2001 and 2000 (unaudited, in thousands, except for

earnings (loss) per share data):







------------------------------------------- ----------

Quarters Ended

------------------------------------------- Year Ended

Mar 31 Jun 30 Sep 30 Dec 31 Dec 31

------------------------------------------- ----------



Fiscal Year Ended 2001

Revenues ........................ $ 3,488 $ 3,328 $21,593 $ 12,833 $ 41,242

Operating expenses .............. 17,567 18,920 20,400 28,237 85,124

Net income (loss) ............... (11,463) (13,344) 2,507 (14,610) (36,910)

Earnings (loss) per share:

Basic ........................ $ (0.45) $ (0.52) $ 0.10 $ (0.53) $ (1.42)

Diluted ...................... $ (0.45) $ (0.52) $ 0.09 $ (0.53) $ (1.42)

Shares used in the calculation

of earnings (loss) per share:

Basic ........................ 25,407 25,498 25,816 27,371 26,028

Diluted ...................... 25,407 25,498 27,972 27,371 26,028





F-19











------------------------------------------------------------ -------------

Quarters Ended

------------------------------------------------------------ Year Ended

Mar 31 Jun 30 Sep 30 Sep 30 Dec 31 Dec 31

As Reported Restated (1)

------------------------------------------------------------ -------------



Fiscal Year Ended 2000

Revenues ........................... $ 2,778 $ 2,942 $ 5,323 $ 2,426 $ 6,442 $ 14,588

Operating expenses ................. 10,004 10,322 15,008 15,008 14,855 50,189

Net Loss ........................... (6,047) (5,192) (8,135) (11,032) (6,537) (28,808)



Loss per share -

Basic and Diluted ............... $ (0.28) $ (0.24) $ (0.37) $ (0.50) $ (0.29) $ (1.30)

Shares used in the calculation of

loss per share:

Basic and Diluted ............... 21,771 21,897 22,032 22,032 22,789 22,124

- ----------



(1) During the fourth quarter of 2000, the Company adopted SAB 101, Revenue

Recognition in Financial Statements. SAB 101 provides, among other revenue

items, guidance in the recognition of nonrefundable, up-front fees received

in conjunction with a research and development arrangement. The result of

the adoption of SAB 101 was to reduce recognition of license fee revenues

reported during the third quarter of 2000 by $2.9 million. These revenues

were deferred and will be recognized as income, ratably over the estimated

lives of the respective agreements. The adoption of SAB 101 did not require

an adjustment for revenues recorded prior to December 31, 1999.











F-20