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SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 10-K

FOR ANNUAL AND TRANSITIONAL REPORTS
PURSUANT TO SECTIONS 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934
(Mark One)

[X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT
OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 1999

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 0-27755

JNI CORPORATION
(Name of Registrant as Specified in its Charter)

DELAWARE 33-0740004
(State or Other Jurisdiction of (I.R.S. Employer
Incorporation or Organization) Identification No.)


9775 TOWNE CENTRE DRIVE
SAN DIEGO, CALIFORNIA 92121
(Address of Principal Executive Offices) (Zip Code)

(858) 535-3121
(Registrant's Telephone Number, Including Area Code)

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
(Title of Class)

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 filer pursuant to
Item 405 of Regulation S-K is not contained herein, and will not be contained,
to the best of 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.
---

As of February 29, 2000, the aggregate market value of the registrant's
voting stock held by non-affiliates of the registrant was approximately
$1,795,043,781, based on the closing price of the Company's Common Stock on the
Nasdaq National Market on February 29, 2000 of $81.625 per share.

As of February 29, 2000, 21,991,348 shares of registrant's Common
Stock, $0.001 par value, were outstanding.





DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Company's definitive Proxy Statement to be filed with
the Securities and Exchange Commission within 120 days after the close of the
fiscal year are incorporated by reference into Part III of this report.





PART I

FORWARD LOOKING STATEMENTS

This document contains "forward-looking statements," which may include
the following:

- our business strategy;

- the timing of and plans for the introduction of new products
and enhancements;

- plans for hiring additional personnel;

- anticipated growth in the market for Fibre Channel products;

- entering into strategic alliances; and

- the adequacy of our existing resources together with
anticipated sources of additional capital to fund our
operations for at least the next 12 months.

Other statements about our plans, objectives, expectations and
intentions contained in this document that are not historical facts may also be
forward-looking statements. When used in this prospectus, the words "expects,"
"anticipates," "intends," "plans," "believes," "seeks," "estimates" and similar
expressions are generally intended to identify forward-looking statements.
Because these forward-looking statements involve risks and uncertainties, actual
results could differ materially from those expressed or implied by these
forward-looking statements for a number of reasons, including those discussed
under "Factors That May Affect Future Performance" and elsewhere in this
document. We assume no obligation to update any forward-looking statements.

ITEM 1. BUSINESS

OVERVIEW

We are a leading designer and supplier of Fibre Channel hardware and
software products that connect servers and data storage devices to form storage
area networks, or SANs. SANs were made possible by the emergence of Fibre
Channel technology, a new generation of server to storage communications
technology that improves data communication speeds, connectivity, distance
between connections, reliability and accessability. Our Fibre Channel
development efforts began in 1993, and we shipped some of the first commercially
available Fibre Channel products in 1995. Throughout our history, we have
designed Fibre Channel products for the most demanding enterprise-level systems
running applications that are integral to our customers' businesses. We
currently market high-performance application specific integrated circuits, or
ASICs, based on our proprietary technology, a broad range of Fibre Channel host
bus adapters and software that facilitates advanced SAN device integration and
management. Our products provide flexibility, scalability and availability, as
well as manageability and superior performance in network storage systems.

We offer a broad range of Fibre Channel host bus adapters for the SAN
market. Our products can be used both with the SBus interface developed by Sun
Microsystems and the peripheral component interconnect, or PCI, interface. Our
host bus adapters are also deployable across a wide variety of network
configurations and operating systems. We have designed our ASICs to work in the
most demanding, high-end enterprise applications and offer what we believe is
the lowest available latency in complex switched environments. We were the first
in the industry to demonstrate products capable of sustained 2 gigabit per
second Fibre Channel transmissions. Our proprietary configuration and driver
software incorporates advanced features that significantly enhance and simplify
SAN device integration and management. We work closely with our





customers to tailor our products to their specific requirements by making
software driver modifications to optimize performance with our customers'
products. Although our Fibre Channel ASICs and host bus adapters find their
primary application in SANs, they have also been deployed for use with digital
graphics, video networks and non-linear digital editing systems in the
advertising, broadcast and entertainment industries as well as for high speed
data processing applications in a variety of industries including Internet
service providers.

We sell our products domestically and internationally primarily through
OEM and distribution channel customers including distributors, system
integrators and value-added resellers who sell directly to end-users. We have
long-term relationships and strategic alliances with many of our customers,
including Acal Electronics, Amdahl, AVID, Bell Microproducts, Chaparral, Data
General, EDS, EMC, Hitachi, INFO X, McData, Polaris Service and StorageTek.
End-users of our products include Boeing, British Airways, Charles Schwab,
DaimlerChrysler, Deutsche Telekom, Federal Express, GTE, Lexis Nexis, Morgan
Stanley and US WEST Capital Funding.

INDUSTRY BACKGROUND

GROWTH AND MANAGEMENT OF DATA

In today's information-based economy, a company's information and
databases are central to the value of the enterprise. The volume of
business-critical data generated, processed, stored and manipulated has grown
dramatically over the last decade, and managing the increase in data is one of
the most important challenges for organizations. International Data Corporation,
an independent industry research company, estimates that the amount of stored
networked data grew from 750 terabytes in 1994 to 10,500 terabytes in 1998, and
that it will increase to 420,000 terabytes in 2002. The dramatic increase in
stored data is the result of a variety of factors, including:

- the development of Web-based business operations and
e-commerce;

- high volume database access and transaction processing;

- data warehousing and data mining of large databases;

- data replication services;

- digital video storage, transmission and editing; and

- business and scientific computing.

As a result, enterprises face heightened requirements for data storage
solutions that offer:

- improved access to shared data;

- efficient management of shared data;

- disaster tolerance and recovery;

- reduced costs of ownership;

- increased connectivity capabilities;

- higher performance; and





- greater reliability.

Today's enterprises generally access, share and manage the rapidly
expanding volume of data utilizing two major data communication technologies:
local area network and input/output. Local area network technologies enable
communications among servers and client computers, while input/output
technologies enable communication between servers and their attached high-speed
peripherals, such as storage devices. The servers and storage devices in
traditional architectures communicate using an input/output interface protocol
known as small computer systems interface, or SCSI. The SCSI protocol is based
on the concept of a single server transferring data in a serial manner to a
limited number of disk drives. While SCSI has achieved wide acceptance, it has
several limitations, such as short transport distance, lack of reliability and
support for a limited number of connections, which have restricted the
capabilities of traditional network storage architectures.

The traditional network storage architectures are commonly referred to
as local backup and network attached storage. In the widely-deployed local
backup architecture, each network server is linked to a limited number of
storage systems in close proximity using SCSI technologies. In the network
attached storage architecture, stored data can be accessed over the local area
network because the storage device is connected directly to the local area
network by a dedicated storage server. Due to the significant volume of data
being stored in today's business environment, however, both of these
architectures have become increasingly costly to maintain and expand because
their reliance on "tethered" storage devices makes them hardware intensive.

The traditional architectures can provide acceptable performance in
smaller enterprises and even in larger organizations when a single server runs
the complete application. Over the past few years, however, the explosive growth
of networked computers has led to the distribution of applications over hundreds
or even thousands of servers. This trend, in combination with the growth in
stored data, has highlighted a number of significant problems for enterprises
using the traditional architectures:

- SCALABILITY. To increase the amount of storage capacity
without degrading network performance, a business using a
traditional architecture will generally increase the number of
servers on the network as well as the number of storage
devices. Further, these architectures necessitate the
replication of data in multiple locations to eliminate
bottlenecks, thus increasing the cost of storing data.

- AVAILABILITY. Because access to each storage device is
controlled by a single server in traditional architectures,
data can become inaccessible if the server goes down. Further,
because the server must process all requests for data in the
storage device, the traditional model drains server processing
power and increases latency for network users which results in
degraded overall network performance.

- SPEED AND DISTANCE. To achieve higher transmission speeds in
traditional architectures, the distance between storage
devices and servers must be limited to less than 12 meters.
This close proximity increases network configuration
complexity and exposure to data loss in disaster situations.
Furthermore, in traditional architectures, data transmission
to or from the storage device to the client requesting the
data must pass through the SCSI connection, the server and the
network. Because the SCSI connection is typically much slower
than the local area network, the traditional architecture
creates a bottleneck at the server which degrades network
performance and lengthens backup times.

- MANAGEABILITY. Businesses that use traditional architectures
must rely on network servers to provide performance,
configuration, accounting, fault and security management of
the SCSI connection and the stored data. This decentralized
management approach increases





the costs of operating a network and limits the ability to
improve performance, ensure data security and enable highly
available data access.

As a result, the traditional architectures do not adequately support the
increasing requirements of today's data-intensive enterprises.

FIBRE CHANNEL TECHNOLOGY

In response to the demand for high-speed and high-reliability
storage-to-server and server-to-server connectivity, the Fibre Channel
interconnect protocol was developed in the early 1990s and received the American
National Standards Institute approval in 1994. Fibre Channel is an open,
efficient transport system supporting multiple protocols using Fibre Channel
guaranteed delivery services. Fibre Channel represents an integration of
channels and networks with active, intelligent communication among devices.
Fibre Channel technology has the following capabilities:

- Performance capability of over four gigabits/second;

- Support for distances up to 10 km without loss of speed;

- Serial transmission with small physical hardware;

- Scalable network configurations;

- Reliable data transmission capable of guarantee through
multiple classes of service;

- Interoperability with standard components;

- Support for multiple cost/performance levels, from small
systems to supercomputers; and

- Ability to carry multiple existing interface data protocols,
including Internet Protocol, SCSI and audio/video.

As a result of its broad range of features, many industry analysts
consider Fibre Channel to be the most reliable, scalable, gigabit communications
technology available today. Since its introduction, Fibre Channel has earned
increasing acceptance from industry and independent testing laboratories. IDC
forecasts that the market for products based on Fibre Channel technology will
exceed $23.0 billion within three years. Fibre Channel technology can be
implemented in a wide variety of applications, including computer clustering,
networking, digital video transmission and editing and storage access. To date,
the most widely accepted and deployed application for Fibre Channel technology
has been in SANs.

STORAGE AREA NETWORKS

A storage area network is a network of servers and data storage devices
which interconnects servers and storage devices at gigabit speeds. Fibre Channel
is the critical enabling technology that has made implementation of a SAN
possible. Businesses are investing in SANs because they have found that
establishing a separate network for storage takes data movement off the local
area network thereby freeing up network resources and reducing the impact on
network users. SANs provide an open, extensible platform for storage access in
data intensive environments like those used for data warehousing, storage
management and server clustering applications. Equally important, SANs can be
significantly less expensive to maintain and expand than traditional storage
architectures because they enable shared, high-speed access to stored data which
can significantly reduce data replication.





SANs provide the following benefits that address the growing challenges
facing businesses using data-intensive, mission-critical applications:

- SCALABILITY. By combining networking models with advanced
server performance and mass storage capacity, a SAN eliminates
the bandwidth bottlenecks and scalability limitations imposed
by traditional storage architectures. Because Fibre Channel
supports multiple topologies, SANs can support up to 126
devices in simple configurations and up to 16 million devices
in the most complex configurations. The network architecture
reduces the need to replicate data because all servers can
share access to each storage device.

- AVAILABILITY. SANs enable businesses to eliminate the
bottlenecks inherent in the traditional architectures and to
reduce the dependence on a single server to access each
storage device. Because SANs use Fibre Channel technology and
a networked approach, SANs can be designed with multiple
fail-overs to provide more reliable connections and thereby
assure availability of data in spite of failures of individual
links or components of the system.

- SPEED AND DISTANCE. By using Fibre Channel technology, SANs
support large data block transfers at gigabit speeds and are
therefore very effective for data transfers between storage
systems and servers. Fibre Channel has demonstrated
transmission speeds of up to two gigabits per second and is
designed to scale to significantly higher speeds.
Additionally, Fibre Channel supports a transmission distance
of up to 10 kilometers without loss of speed, which simplifies
network configuration and significantly reduces susceptibility
to environmental disaster.

- MANAGEABILITY. Fibre Channel facilitates the use of network
management software for monitoring and control. Thus, network
administrators are able to more closely monitor storage
systems, giving them the control to group storage devices into
logical unit numbers, distribute data loading more evenly
across peripherals and reroute traffic under error conditions.
Fibre Channel hardware can be configured to offer several
levels of reliability which increases the security and
accessibility of stored data.

- FLEXIBILITY. SANs provide high-speed connectivity for
data-intensive applications across multiple operating systems,
including UNIX, Mac OS and Windows NT. SANs apply the
distributed computing model to computer storage systems and
servers and take advantage of the inherent benefits of a
networked approach. SANs can be configured in multiple
topologies, and the various topologies contribute to the
flexibility of the SAN to solve storage management issues by
offering enterprises alternatives in cost and scale. The most
commonly used topology in currently deployed SANs is the
arbitrated loop, or FC-AL, because it offers most of the
benefits of a SAN at a lower cost than the most complex
topology. The switched topology, or FC-SW, is the most complex
and provides the most aggregate throughput as it allows for
multiple data transmissions to occur simultaneously.

The SAN environment complements the ongoing advancements in local area network
technologies by extending the benefits of improved performance and capabilities
from the client local area network through to servers and storage.

COMPONENTS OF A SAN

Virtually all SANs use several basic components to make up the network,
including the following:

- servers and management software;





- storage devices and Fibre Channel disc controllers;

- switches, hubs and Fibre Channel to SCSI bridges;

- host bus adapters; and

- copper or fiber optic cables.

Regardless of topology, each server connects to a SAN through host bus
adapters, which are electronic circuit cards that fit standard sockets on
computer motherboards and enable high-speed data transfer. A host bus adapter
connects the server to other devices on a SAN via cables. The cables connect the
host bus adapter either directly to the Fibre Channel disc controller which is
installed in the storage device or to a hub or a switch.

A host bus adapter is one of the most critical and complex devices on
the SAN. A host bus adapter provides the necessary bridge between a SAN and a
computer bus, which is an internal communication pathway between the central
processing unit and internal memory or peripheral devices. By leveraging the
advantages of Fibre Channel, a single host bus adapter can handle a multitude of
tasks that previously required distinct host bus adapters for each protocol.
Host bus adapters are typically classified by (a) bus architecture, (b) computer
operating system and (c) topology. Each host bus adapter product is designed to
support a particular bus architecture, typically either the Sun Microsystems
SBus architecture or the Peripheral Component Interconnect, or PCI, bus
architecture. Because Fibre Channel host bus adapter functions are regulated by
software, each host bus adapter must include software designed to work with the
particular operating system being used by the server/storage solution. These
systems include all types of UNIX as well as Windows NT, Mac OS and mainframe
systems. Host bus adapters are therefore designed to work with one or more
operating systems and one or more Fibre Channel topologies. IDC projects that
the annual market for Fibre Channel host bus adapters will grow from $269
million in 1999 to over $1.6 billion by 2002.

The core technology of host bus adapter and other components of a SAN
is embodied in application specific integrated circuits, or ASICs, that perform
the most complex functions, and software that enables the integration and
management of the SAN equipment. ASIC development is a lengthy and costly
process that requires significant technical expertise and resources. Likewise,
developing software to work with and manage SAN components involves an extensive
design effort. This effort is compounded by the need to test and debug software
code for each Fibre Channel product and ensure compliance with several distinct
operating platforms. These technological barriers to entry create a significant
market opportunity for companies that have developed and deployed Fibre
Channel-based products, particularly host bus adapters, that utilize proprietary
ASICs and software designed to work in the emerging SAN environment.

THE JNI SOLUTION

We are a leading developer and manufacturer of Fibre Channel hardware
and software products that form critical elements of SANs. We developed some of
the first commercially available Fibre Channel-based products and focus our
efforts exclusively on the Fibre Channel market. Because of our early and
continuous focus on developing technology and products based on the Fibre
Channel standard, we have successfully developed a broad line of host bus
adapters, ASICs and software that provide increased bandwidth for data
communication, increased distance for high speed data transmission, guaranteed
data delivery and scalability to large numbers of network connections. Our
proprietary ASICs have been designed to work in the most demanding, high-end
enterprise applications and are particularly effective in switched environments.
We believe that we offer the broadest range of Fibre Channel host bus adapters
in the SAN industry. Our proprietary configuration and driver software
incorporates advanced features that significantly enhance and simplify SAN
device integration and management. As a result of our advanced technology and
broad product offering, we are able to deliver the following benefits to our
customers and end-users:





- MANAGEABILITY. Our software can help eliminate configuration
errors, which are the most common cause of SAN failure. Our
EZFibre SAN management software is a powerful and easy-to-use
tool for configuring and managing a SAN and its components.
EZFibre's point and click interface and helpful diagnostic
tools give the user an intuitive and effective way to manage
JNI products in SANs of all sizes.

- FLEXIBILITY. Our products can be used with both PCI and SBus
interfaces, work with all SAN topologies and interoperate with
a wide variety of operating systems and computer platforms,
including Windows NT, UNIX, Mac OS and others. In addition to
SANs, customers have deployed our products for use with
digital graphics, video networks and non-linear digital
editing systems for the advertising, broadcast and
entertainment industries as well as for high speed data
processing applications in a variety of industries, including
Internet service providers.

- PERFORMANCE. Our ASIC technology enables an extraordinarily
high performance connection to the SAN. We believe that our
products deliver exceptional price/performance, regardless of
scale or configuration. We are the first in the industry to
demonstrate products capable of sustained 2 gigabit per second
Fibre Channel transmissions. We also believe that our ASICs
provide the lowest latency available in the most complex,
switched SANs.

- SCALABILITY. Our ASIC and host bus adapter architectures
provide high performance in simple, cost-sensitive SAN
configurations, but they are capable of scaling to switched,
multi-terabyte enterprise solutions. Our products include both
workgroup class solutions and enterprise solutions that can
support the full range of connectivity enabled by the Fibre
Channel standard. Using our products, customers can seamlessly
add storage to a SAN while it is operating, and they can
easily migrate from simple to complex topologies to support
larger networks.

- AVAILABILITY. JNI products are installed in some of the most
demanding business environments, and our customers typically
have extremely low tolerance for system downtime. We conduct
extensive testing with complex simulations of user
configurations to help ensure that our products will not cause
any data loss, data interruption, SAN crashes or lockups and
that our products can withstand most failures or interruptions
in other parts of the system.

- QUALITY. We design, manufacture and test our products to meet
high standards for quality. During the product design process,
each component is qualified by testing to provide the
necessary performance over ranges of environmental conditions
that are more extreme than what our customers will encounter
in normal use. Our latest ASIC technology has reduced the
number of parts on our host bus adapters, which improves
quality by simplifying data/error checking.

- CUSTOMIZATION. We work closely with our OEM customers to
tailor our products to meet the customer's specific
requirements. For UNIX applications in enterprise level SANs,
many of our OEM customers require customized driver software
to optimize performance with their products. We have modified
drivers to provide the required level of optimization without
sacrificing performance or robustness. We believe that our
capability to easily customize our software to meet customer
needs will be an important factor in increasing acceptance of
our products in the marketplace.





THE JNI STRATEGY

Our objective is to become the market leader in high-speed Fibre
Channel connectivity products for SANs and other applications by providing a
family of integrated host bus adapter, ASIC and software products that exceed
competitive offerings in features, flexibility and price/performance. The key
elements of our strategy are highlighted below:

FOCUS EXCLUSIVELY ON FIBRE CHANNEL. We base all of our products on
Fibre Channel technology. We plan to enhance our presence in the SAN market by
focusing all of our resources on developing, marketing and supplying superior
Fibre Channel connectivity products. By focusing entirely on the design and
development of Fibre Channel products, we believe that we can enhance our
existing products and develop new products for SANs and other applications
rapidly and efficiently. We believe that our focus will provide us with a
competitive advantage in developing Fibre Channel products for complementary
applications as the markets for such applications develop.

EXPAND PENETRATION OF EXISTING OEM CUSTOMERS AND LEVERAGE MULTIPLE
DISTRIBUTION CHANNELS. We are focused on product sales to new customers and on
extending our product penetration within our existing OEM customer base. Once a
customer buys our product for one system in the SAN, our strategy is to then
offer complementary products. By integrating additional JNI products, a customer
can obtain the increased benefits of our product breadth by simplifying SAN
configuration using common device drivers, management utilities and vendor
support. We intend to increase our reseller programs to complement our
distribution channels. To complement and support our domestic and international
reseller and OEM channels, we intend to increase our worldwide field sales
force.

LEVERAGE FIBRE CHANNEL TECHNOLOGY AND QUALITY LEADERSHIP. Our
technological leadership is based on our proprietary ASIC, software and
high-frequency circuit designs. We intend to continue to invest our engineering
resources in ASIC and software development and provide leading technologies to
increase the performance and functionality of our products. We believe that
early technology and product leadership can translate into market leadership. We
also recognize that product quality is an indispensable condition of
competitiveness, and we are focused on continuously improving product quality,
delivery, performance and service. We have taken steps to obtain ISO9002
certification in early 2000 and intend to obtain ISO9001 certification by the
end of 2001.

PROVIDE CUSTOMER-DRIVEN PRODUCT FUNCTIONALITY AND HIGH QUALITY CUSTOMER
SUPPORT. We seek to enhance customer satisfaction and build customer loyalty
through the quality of our service and support. In addition, we are committed to
providing customer-driven product functionality through feedback from key
prospects, consultants, distribution channel and OEM customers and customer
surveys. We intend to continue to enhance the ease of use of our products and
invest in additional support services by increasing staffing and adding new
programs for our OEM and distribution channel customers.

PROMOTE THE JNI BRAND. We plan to continue building awareness of the
JNI brand in order to position ourselves as a leading provider of
high-performance Fibre Channel connectivity products for high-end,
enterprise-level business applications. We believe an established brand will
become increasingly important as our distribution channels expand to include
resellers. To promote our brand, we plan to increase our investments in a range
of marketing programs, including trade show participation, advertising in print
publications, direct marketing, public relations and Web-based marketing.

ESTABLISH AND MAINTAIN STRATEGIC ALLIANCES AND PURSUE ACQUISITIONS. We
intend to continue working closely with leaders in the storage, networking and
computing industries to develop new and enhanced Fibre Channel products. We
believe that establishing strategic relationships with technology partners is
essential to facilitate the efficient and reliable integration of our products
into SANs. To this end, we have formed strategic relationships and industry
alliances with leading technology companies, including Ancor Communications,
Brocade Communications, Crossroads Systems, Gadzoox Networks and McData. We also
intend to pursue joint





ventures, licensing and acquisition strategies to meet these goals. We believe
that the emerging SAN industry will present numerous opportunities to employ an
acquisition or partnering strategy with key software and hardware companies.

PRODUCTS

We believe we offer high quality Fibre Channel products with a superior
price/performance profile. Our products include a comprehensive suite of host
bus adapters, ASICs and software.

HOST BUS ADAPTERS

We design, manufacture and sell a suite of Fibre Channel host bus
adapters and related device driver software. A host bus adapter is an electronic
circuit card that fits standard sockets on motherboards for servers,
workstations, disk arrays and other SAN devices and enables high-speed data
transfer within the SAN. Communication between the host bus adapter and the
operating system is regulated by device driver software which is included with
the host bus adapter. In addition to communication, the device driver software
provides a high-reliability data path from a user's application in a SAN.
Working in conjunction with our device driver software, our host bus adapters
can be used with both the SBus and the PCI interface, work with all SAN
topologies and interoperate with a wide variety of operating systems, making our
host bus adapter capabilities the broadest currently available.

In January 2000, we announced the PC Server DriverSuite, an integrated
suite of software drivers designed to work with our PCI-based FibreStar host bus
adapters using the Emerald III ASIC controller. The PC Server DriverSuite is a
single, integrated software driver platform that enables JNI FibreStar host bus
adapters to operate under all major PC server operating systems, including
Microsoft Windows NT and Windows 2000, Novell NetWare, Red Hat Linux and Apple
Macintosh operating systems. In conjunction with the PC Server DriverSuite
introduction, JNI introduced new drivers for the Novell and Linux operating
systems.

In addition to the different operating systems, the PC Server
DriverSuite operates under all three Fibre Channel topologies - switched fabric,
arbitrated loop and point-to-point - as well as Fibre channel configurations
using switches and hubs. The result is the PC Server DriverSuite simplifies the
installation and ensures complete interoperability between all types of
platforms and servers.

Because of the high level of reliability of our device driver software
and the functionality of our host bus adapters, we have been certified as a
designated supplier by leading storage OEMs, including Compaq, Data General,
EMC, Fujitsu, Hitachi, McData and MTI. Our host bus adapter list prices range
from $750 to $4,000.

We commenced volume production of host bus adapters in 1996 with our
FibreStar line of host bus adapters designed for the SBus interface, and we are
currently the leading independent supplier of host bus adapters for the Sun
Solaris operating system. In late 1998, we obtained our initial certification
from an OEM customer for our host bus adapters for the PCI interface. In 1999,
we introduced our lower cost Emerald-based host bus adapter for the PCI
interface based on Fibre Channel products and technology acquired from Adaptec.
The new Emerald-based host bus adapters for the PCI interface also offer
significantly improved performance and flexibility and include software for
Solaris and other UNIX variants and the PC Server DriveSuite. The following
tables provide information about our current offering of host bus adapters:





WORKGROUP SOLUTIONS




- --------------------------------------------------------------------------------------------------------------------
Product Features Target Markets
- --------------------------------------------------------------------------------------------------------------------

FIBRESTAR HIGH-PERFORMANCE PCI Next generation PCI technology
ADAPTERS High-performance in all
configurations

Includes EZFibre management
utility

Emerald-based architecture

32-bit and 64-bit PCI
connections High-volume PC servers &
applications, entry level SANs,
price/performance sensitive utility
customers
- -------------------------------------------------------------------------------
FIBRESTAR 32-BIT PCI ADAPTER Single interface for network and
storage applications
Compatibility with SBus
products
- -------------------------------------------------------------------------------
FIBRESTAR 2-GIGABIT PCI ADAPTER Industry's first 2-Gigabit
Fibre Channel adapter
Enabling 2-Gigabit OEM
products
- -------------------------------------------------------------------------------



ENTERPRISE SOLUTIONS




- --------------------------------------------------------------------------------------------------------------------
Product Features Target Markets
- --------------------------------------------------------------------------------------------------------------------

FIBRESTAR SBUS ADAPTER Designed for mission critical Critical database applications, data
applications warehousing, data mining
Highly efficient architecture
High-performance SBus
connectivity in all SAN
configurations
Dual-port configuration
available, with an ASIC
controller for each port
- --------------------------------------------------------------------------------------------------------------------



ASICS

We incorporate our Emerald Fibre Channel controller ASICs into our
latest generation of host bus adapters and sell them to OEMs for products such
as SAN controllers for disk arrays, tape libraries and other SAN devices. In
addition, we sell our ASICs to OEMs who in turn incorporate them into the
motherboards of enterprise and department servers. Commercially available
versions of the Emerald transmit data at 1 gigabit per second, and we have
recently introduced versions capable of sustained 2 gigabit per second
transmission speeds, which is the highest speed demonstrated in the industry.
Adaptec developed the original architecture of the Emerald in a three-year
research and development program. We acquired all of the technology related to
the Emerald architecture from Adaptec in November 1998. With enhancements we
have implemented since the acquisition, the reliability and the performance of
the Emerald have been substantially improved, and we are developing enhanced
ASICs based on the Emerald architecture. In addition to the circuits required
for Fibre Channel data formatting and control, the Emerald ASIC incorporates a
PCI interface circuit, leading to cost effective host bus adapter products.








- --------------------------------------------------------------------------------------------------------------------
Product Features Target Markets
- --------------------------------------------------------------------------------------------------------------------

EMERALD-III High-performance PCI interface
1- or 2-Gigabit interface Tape/disk storage system controller,
board level
- -------------------------------------------------------------------------------
EMERALD-IV Increased performance
1- or 2-Gigabit interface
Small footprint for
motherboard applications
- --------------------------------------------------------------------------------------------------------------------



SOFTWARE

We offer software solutions designed to simplify SAN configuration and
to provide diagnostic and monitoring information to SAN administrators.
Introduced in the third quarter of 1999, EZFibre is both sold separately for a
list price of $149 and included with our latest generation of Emerald-based host
bus adapters. Our EZFibre software is a management and configuration utility for
Windows NT that provides the user with an easy to use, graphical view of the
host bus adapters and other SAN components attached to the system. EZFibre
enables the user to easily configure complex systems that include multiple PCI
busses and multiple host bus adapters. EZFibre users can also view information
about the Fibre Channel SAN controllers and SAN devices attached to the system.
The SAN administrator can then configure the SAN for use in a multiple operating
system environment using the advanced capabilities built into the host bus
adapter and the driver software. These capabilities allow partitioning of a SAN
for use in a multiple operating system environment and the partitioning of
storage resources among different servers that may be running different
operating systems all by using the advanced capabilities built into the host bus
adapter and the driver software. Storage resources can also be reallocated and
repartitioned dynamically without the need to reboot the system. EZFibre also
provides a diagnostic utility that can be used to verify the operation of our
host bus adapters when installed in a SAN. Interfaces are also provided to allow
the host bus adapter management and diagnostic capabilities to be integrated
into larger network management packages such as those provided by
Hewlett-Packard, Legato, Microsoft, Sun and Veritas.




- --------------------------------------------------------------------------------------------------------------------
Product Features Target Markets
- --------------------------------------------------------------------------------------------------------------------

EZFIBRE Simplifies SAN installation Windows NT-based SANs
Improves manageability and
interoperability
Easier scalability
- --------------------------------------------------------------------------------------------------------------------



TECHNOLOGY

We possess a high level of multi-disciplinary technological expertise,
which we utilize in designing our products. This expertise includes Fibre
Channel technology, core ASIC design, system design, system integration and
software development. We believe that our expertise in these technologies
provides us with competitive advantages in time-to-market, price/performance,
interoperability and product capabilities.

ASIC DESIGN EXPERTISE. We employ state-of-the-art ASIC design
methodologies to develop high-performance, complex ASICs. Our proprietary
Emerald ASIC architecture utilizes an embedded processor with on-board memory to
achieve efficient command and data communication. This architecture
significantly reduces command processing time to enable complex communication,
while maintaining full performance when operating in any SAN topology. Our
architecture also allows us to implement significant portions of Fibre Channel
protocol in embedded software while keeping higher level functions in the device
driver software. As a result of this multi-layered software implementation and
reduced geometry CMOS technology, we are able to react quickly as technical
standards evolve or new standards are defined. Our expertise in ASIC design has





enabled us to offer products capable of sustained 2 gigabit per second
transmission speed, which is currently the fastest transmission speed in the
Fibre Channel market.

SYSTEM DESIGN. We employ computer aided design tools to engineer and
design our printed circuit boards. Our system design team has expertise in the
containment of high-frequency electromagnetic interference, which is inherent in
high-speed networking devices. We have expertise in chassis design, including
design for manufacturability, testability, usability, reliability and low cost.

SYSTEM INTEGRATION. At our principal offices in San Diego, we have
established the JNI system integration lab, or SIL, to provide comprehensive
functional and system level integration/interoperability testing between our
host bus adapters and various computer platforms and Fibre Channel systems. To
facilitate expanded market penetration of our products and technology, our
integration test methodologies and software are continually evolving to mirror
qualification processes used by major SAN suppliers and OEMs. We conduct
functionality testing at our SIL in formal, repeatable processes using
documented product specifications and features to verify the operation of both
our hardware and our software. Our products are tested with departmental and
enterprise class servers, including platforms from Compaq, Dell, Sun and others,
and from the leading vendors of Fibre Channel hubs, switches and SAN systems,
including Amdahl, Ancor, Brocade, Data General, EMC, Gadzoox, LSI Logic, McData
and Vixel. Integration testing at our SIL combines our products with various
Fibre Channel SAN components to simulate the most commonly used functional
configurations defined by system integrators and major OEMs. The overall goal is
to ensure enterprise class performance and interoperability in real world SAN
deployments.

SOFTWARE. Our team of software developers has extensive experience in
developing software for Fibre Channel devices and applications. We have
considerable experience in programming to meet the requirements of enterprise
level systems running mission-critical applications. Our engineers have
experience in developing software for many major operating systems, including
Sun Solaris and other UNIX variants, Windows NT, Mac OS and NetWare. Our
software implementations support Fibre Channel protocol standards such as FC-AL,
SCSI over Fibre Channel, IP over Fibre Channel and FC-SW. Our team also
possesses expertise in SAN configuration and management as well as graphical
user interface software. Our graphical user interface development efforts focus
on platform-independent SAN management applications. As of December 31, 1999,
our engineering staff included 29 software engineers.

CUSTOMERS

We sell our products to OEMs and through distribution channels. The
following is a representative list of our key customers since the beginning of
1998:




OEM DISTRIBUTION CHANNEL

Amdahl Acal Electronics
AVID Bell Microproducts
Chaparral Core C EPM
Compaq Daejin Computers
Consan Electronic Data Systems
Data General INFO X
McData Mitsui
EMC Polaris Service
Hitachi Solectron
LSI Logic Work Group Solutions
MTI
Storage Tek
Stornet







In the year ended December 31, 1999, our top five customers accounted
for 60% of our total net revenues, and, in the year ended December 31, 1998, our
top five customers accounted for approximately 57% of our total net revenues. In
particular, in the year ended December 31, 1999, Polaris Service accounted for
16% of our net revenues, Data General accounted for 11% of our net revenues,
Info X, Inc. accounted for 18% of our net revenues and ACAL Electronic accounted
for 11% of our net revenues.

End-users of JNI products include the following:

Bear Stearns Federal Express
Boeing Fidelity Investments
Charles Schwab GTE
Convergys Lexis Nexis
DaimlerChrysler Mobil
US WEST Capital Funding Morgan Stanley Dean Witter
Safeway Stores


CUSTOMER SERVICE AND SUPPORT

We offer a wide range of standard support programs that includes
telephone support 24 hours a day, seven days a week and advanced replacement of
products. In addition, we have designed our products to allow easy diagnostics
and administration. For example, users can access all of the configuration and
performance parameters of our host bus adapters from a single graphical user
interface for configuration, troubleshooting and maintenance. Our customer
service and support organization provides technical support to our OEM and
systems integrator customers, enabling them to provide technical support to
their end-users. We prepare our OEMs and systems integrator customers for
product launch through a comprehensive training program. In addition, we employ
systems engineers for pre- and post-sales support and technical support
engineers for field support. Our OEM and systems integrator customers provide
primary technical support to end-users of our products.

We have developed an extensive training course for our OEM and
distribution channel customers. The curriculum includes Fibre Channel
configuration, SAN implementation and JNI product training. Most of our OEM and
channel customers attend our training courses to learn Fibre Channel
configuration and SAN reliability design.

SALES AND MARKETING

We sell domestically and internationally to OEMs, distribution channel
customers, which include distributors, system integrators and value added
resellers, and directly to end users. We principally target OEMs and
distributors who resell our products as a part of complete SAN solutions to
end-users. Our sales and marketing strategy will continue to focus on the
development of the Fibre Channel market through these relationships. We intend
to continue expanding internationally by partnering with additional OEMs and
resellers who have a strong international presence and are capable of selling
and installing complex SAN solutions. In the future, as Fibre Channel becomes
targeted at end-users, we will evolve our strategy to include channel partners
who serve small- to medium-sized businesses.

Our marketing efforts are focused on increasing awareness of our Fibre
Channel products and our JNI brand, promoting SAN-based solutions, and
advocating industry-wide standards and interoperability. Key components of our
marketing efforts include:

- extending our strategic alliances to promote standardization
and enhance interoperability;





- promoting our products under the JNI brand name to strengthen
sales through distribution channels;

- continuing our active participation in industry associations
and standards committees to promote and further enhance Fibre
Channel technology and increase our visibility as industry
experts; and

- participating in major trade show events and SAN conferences
to promote our products and to continue our leading role in
educating customers on the value of SANs.

As of December 31, 1999, our sales and marketing organization consisted
of 26 people, including field sales representatives, applications engineers,
customer service personnel, product marketing, product management, marketing
communications and inside sales personnel. Our field sales personnel are located
in San Diego, Irvine and Fremont, California, and Boston, Massachusetts. We
intend to establish a direct sales presence in both London and Japan.

OEMS

OEMs can exercise significant influence in the early development of our
market because they utilize our products to deliver to end users complete,
factory-configured solutions that are installed and field-serviced by OEMs'
technical support organizations. We intend to continue partnering with leading
OEM customers to introduce new products and develop new markets. OEMs will
continue to provide critical input as we develop the next generation of
products.

OEM customers have been integral to our growth in the emerging Fibre
Channel market and have represented a significant portion of our revenues. We
believe the evolutionary nature of the Fibre Channel market should enable us to
continue to present our OEM customers with the opportunity to integrate and
deploy new capabilities as they are developed. To help drive new technologies
and capabilities, we plan to continue to strengthen our OEM customer
relationships.

DISTRIBUTION CHANNEL CUSTOMERS

As the markets for Fibre Channel products and SAN solutions evolve and
as end-user awareness of the benefits of Fibre Channel increases, we believe an
increasing volume of sales will occur through distribution channels. We have
established a two-tier distribution channel that is comprised of distributors
and resellers. We sell through distributors to customers in the United States,
Europe and Japan. We believe that our distribution channel, which accounted for
a significant portion of total net revenues during 1999, provides us with a
diversified customer base. In addition, our distribution channel relationships
enable us to pursue a number of vertical markets including e-commerce, Internet
service providers, digital video, digital publishing, oil and gas exploration
and medical imaging. We believe that as the market for Fibre Channel matures, we
are well positioned to leverage sales through distributors, and that such sales
will represent an increasing percent of our total net revenues. As this market
continues to develop, we plan to establish additional relationships with select
domestic and international resellers to reach additional markets and increase
our geographic coverage.

MANUFACTURING, TEST AND ASSEMBLY

We outsource the majority of our manufacturing, and we conduct quality
assurance, manufacturing engineering, documentation control and certain finish
assembly operations at our headquarter facility in San Diego, California. This
approach enables us to reduce fixed costs and to provide flexibility in meeting
market demands. All of our contract manufacturers are ISO 9002 certified.





Taiwan Semiconductor Manufacturing Company, or TSMC, fabricates our
Emerald ASIC wafers, and various subcontractors, such as AMKOR Technology,
Caesar International Inc. and Siliconware USA Inc., perform assembly, packaging
and testing of our ASICs so that we purchase and receive only finished product.
SCI Systems in Rapid City, South Dakota, and SMS in San Diego, California
perform substantially all assembly operations for our host bus adapters. These
contract manufacturers purchase the components of our host bus adapters,
including printed circuit boards, third party ASICs and memory integrated
circuits, and assemble them to our specifications. The contract manufacturers
deliver the assembled host bus adapters to us, and we perform certain finish
assembly procedures before testing and packaging the final products with
software and manuals in our San Diego facility.

We believe most component parts used in our host bus adapters are
standard off-the-shelf items, which are, or can be, purchased from two or more
sources. We select suppliers on the basis of technology, manufacturing capacity,
quality and cost. Whenever possible and practicable, we strive to have at least
two manufacturing locations for each product. Nevertheless, our reliance on
third-party manufacturers involves risks, including possible limitations on
availability of products due to market abnormalities, unavailability of, or
delays in obtaining access to, certain product technologies and the absence of
complete control over delivery schedules, manufacturing yields, and total
production costs. The inability of our suppliers to deliver products of
acceptable quality and in a timely manner or our inability to procure adequate
supplies of our products could have a material adverse effect on our business,
financial condition or operating results.

RESEARCH AND DEVELOPMENT

Our success will depend to a substantial degree upon our ability to
develop and introduce in a timely fashion new products and enhancements to our
existing products that meet changing customer requirements and emerging industry
standards. We have made and plan to continue to make substantial investments in
research and development and to participate in the development of industry
standards. In the year ended December 31, 1999, our research and development
expenses were $12.0 million, compared to $2.9 million in 1998 and $1.2 million
in 1997.

We focus our development efforts on Fibre Channel ASICs and related
software drivers and tools. Before a new product is developed, our research and
development engineers work with marketing managers and customers to develop a
comprehensive requirements specification. After the product is designed and
commercially released, our engineers continue to work with customers on early
design-in efforts to understand requirements for future generations and
upgrades.

Research and development expenses primarily consist of salaries and
related costs of employees engaged in ongoing research, design and development
activities and subcontracting costs. As of December 31, 1999, we had 60
employees engaged in research and development. We are seeking to hire additional
skilled development engineers. Our business, operating results and financial
condition could be adversely affected if we encounter delays in hiring
additional engineers.

COMPETITION

The market in which we compete is intensely competitive and is
characterized by frequent new product introductions, changing customer
preferences and evolving technology and industry standards. Our competitors
continue to introduce products with improved price/performance characteristics,
and we will have to do the same to remain competitive. Increased competition
could result in significant price competition, reduced revenues, lower profit
margins or loss of market share, any of which would have a material adverse
effect on our business, operating results and financial condition.

We face competition for our ASICs from Hewlett-Packard and QLogic. Sun
Microsystems is our principal competitor in the SBus host bus adapter market.
Our principal competitors in the PCI bus host bus adapter market are Emulex,
QLogic, Interphase and Agilent. Our products may also compete at the end-user





level with other technology alternatives, such as SCSI, which are available from
companies such as Adaptec, LSI Logic and QLogic as well as a number of smaller
companies. In the future, other technologies may evolve to address the
applications served by Fibre Channel today, and because we focus exclusively on
Fibre Channel, our business would suffer as a result of competition from such
competing technologies.

Some of our OEM customers could develop products internally that would
replace our products. The resulting reduction in sales of our products to any
such OEM customers, in addition to the increased competition presented by these
customers, could have a material adverse effect on our business, operating
results and financial condition.

We believe that the principal bases of Fibre Channel product
competition presently include reliability, scalability, connectivity,
performance and customization. We believe that other competitive factors include
pricing and technical support. We believe that we compete favorably with respect
to each of these factors. We also believe that we have a competitive strength in
the alliances we have built with customers, particularly our close relationships
with OEM customers. We believe that our experience with distribution channels
will provide competitive benefits as the Fibre Channel market matures. Some of
our other competitive advantages include our early entry into Fibre Channel
technology, our workforce of highly experienced researchers and designers and
our intellectual property.

INTELLECTUAL PROPERTY AND LICENSES

The intellectual property rights we have in our technology, which
generally consists of ASIC designs, system designs, software and know-how
associated with our product portfolio, principally arise from exclusive licenses
and our own internal development efforts. We began our commercial Fibre Channel
development efforts in 1993 while operating as a division of Jaycor. In February
1997, the intellectual property rights arising from this development effort were
transferred to JNI pursuant to an exclusive license agreement with Jaymark. In
November 1998, we acquired Fibre Channel products and technology developed by
Adaptec, including the design, software, masks and documentation of the Emerald
ASIC architecture. The technology we acquired from Jaymark and Adaptec, in
conjunction with our significant development efforts undertaken to enhance such
technology, forms the central element of our host bus adapter and ASIC products
and is critical to our success. We attempt to protect our technology through a
combination of copyrights, trade secret laws, trademarks and contractual
obligations. There can be no assurance that our intellectual property protection
measures will be sufficient to prevent misappropriation of our technology or
that our competitors will not independently develop technologies that are
substantially equivalent or superior to our technology. In addition, the laws of
many foreign countries do not protect our intellectual property rights to the
same extent as the laws of the United States. Our failure to protect our
proprietary information could have a material adverse effect on our business,
financial condition or operating results. In order to avoid disclosure of key
elements of our technology, we have not sought patent protection which may be
available to us. The lack of patent protection may make it more difficult for us
to prevent other parties from developing or using technology substantially
similar to ours. Our software products are protected by copyright laws, and we
have several common law trademarks.

We may need to initiate litigation in the future to enforce our
intellectual property rights, to protect our trade secrets or to determine the
validity and scope of the proprietary rights of others. Litigation could result
in substantial costs and diversion of our resources and could materially harm
our business. We may receive in the future notice of infringement claims of
other parties' proprietary rights. Infringement or other claims could be
asserted or prosecuted against us in the future, and it is possible that such
assertions or prosecutions could harm our business. Any such claims, with or
without merit, could be time-consuming, result in costly litigation and
diversion of technical and management personnel, cause delays in the development
and release of our products, or require us to develop non-infringing technology
or enter into royalty or licensing arrangements. Such royalty or licensing
arrangements, if required, may not be available on terms acceptable to us, or at
all. For these reasons, infringement claims could materially harm our business.





BACKLOG

At December 31, 1999, backlog for our products was approximately $6.5
million, substantially all of which is scheduled for delivery to customers
during the quarter ending March 31, 2000, compared to backlog of approximately
$1.7 million at December 31, 1998, substantially all of which was scheduled for
delivery to customers during the quarter ended March 31, 1999. Typically, our
OEM customers forecast expected purchases on a three to six month rolling basis,
as compared to distributor customers which order as required with minimal order
fulfillment time. All orders are subject to cancellation or delay by the
customers with limited or no penalty. Therefore, our backlog is not necessarily
indicative of actual sales for any succeeding period.

EMPLOYEES

As of December 31, 1999, JNI had 127 employees, including 16 in
administration, 26 in sales and marketing, 60 in engineering and 25 in
operations. None of our employees are represented by a labor union. We have not
experienced any work stoppages and consider our relations with our employees to
be good.

FACTORS THAT MAY AFFECT FUTURE PERFORMANCE

RISKS RELATING TO OUR BUSINESS

WE HAVE A LIMITED OPERATING HISTORY AND A LIMITED HISTORY OF PROFITABILITY THAT
MAKE AN EVALUATION OF OUR BUSINESS DIFFICULT.

We commenced operations in 1993 as a division of Jaycor, Inc., and, as
part of a corporate reorganization of Jaycor in February 1997, we were
incorporated as a subsidiary of a newly-formed company named Jaymark, Inc.,
which also became the parent of Jaycor in that reorganization transaction. We
have only recently begun to operate as an independent entity. While operating as
a division of Jaycor, we shipped our first commercially available Fibre Channel
products in 1995, but we did not achieve operating income until the quarter
ended September 30, 1998. Because we have a limited operating history, you must
consider the risks and difficulties frequently encountered by early stage
companies such as ours in new and rapidly evolving markets. Although our net
revenues have grown in recent quarters, we may not be able to sustain this
growth, and we may not realize sufficient net revenues to maintain
profitability. In addition, because of the competition in the Fibre Channel and
SAN markets and the evolving nature of these markets, sustaining profitability
may be extremely challenging.

OUR QUARTERLY OPERATING RESULTS ARE VOLATILE AND MAY CAUSE OUR STOCK PRICE TO
FLUCTUATE.

Our future revenues and operating results are likely to vary
significantly from quarter to quarter due to a number of factors, many of which
are outside of our control. Accordingly, you should not rely on
quarter-to-quarter comparisons of our operating results as an indication of
future performance. It is possible that in some future periods our operating
results will be below the expectations of public market analysts and investors.
In this event, the price of our common stock will likely decline.

Because our revenues in a given quarter depend substantially on orders
booked in that quarter, a decrease in the number of orders we receive is likely
to adversely and disproportionately affect our quarterly operating results. This
is because our expense levels are partially based on our expectations of future
sales, and our expenses may be disproportionately large as compared to sales in
a quarter with reduced orders. As a result, we may be unable to adjust spending
in a timely manner to compensate for any unexpected revenue shortfall. Any
shortfall in sales in relation to our quarterly expectations or any delay of
customer orders would likely have an immediate and adverse impact on our
business, quarterly operating results and financial condition.





BECAUSE WE FOCUS EXCLUSIVELY ON FIBRE CHANNEL PRODUCTS, OUR REVENUES WILL BE
LIMITED IF FIBRE CHANNEL TECHNOLOGY DOES NOT ACHIEVE WIDESPREAD MARKET
ACCEPTANCE.

The growth of the market for our products is dependent upon the broad
acceptance of Fibre Channel technology as an alternative to other technologies
traditionally utilized for network and storage communications. The Fibre Channel
market, while rapidly evolving and attracting an increasing number of market
participants, is still at an early stage of development. If the Fibre Channel
market fails to develop, develops more slowly than anticipated or attracts more
competitors than we expect, our business, operating results and financial
condition would be materially adversely affected. We cannot be certain that
Fibre Channel products will gain broader market acceptance or that customers
will choose our technology and products.

To achieve widespread market acceptance, Fibre Channel must supplant
current widely accepted alternative technologies such as SCSI. Because many
technology companies with SCSI-based product portfolios already have (a)
well-established relationships with our current and potential customers, (b)
extensive knowledge of the markets we serve, (c) better name recognition and (d)
extensive development, sales and marketing resources, it may be difficult to
convince customers to adopt Fibre Channel technology. If Fibre Channel does not
replace existing technologies such as SCSI in emerging applications such as SANs
or otherwise achieve broad market acceptance, our growth will be limited.
Additionally, new technologies, such as system input/output, are currently in
development that may compete for market share with Fibre Channel if they are
successfully developed and commercialized. Because these competing new
technologies are likely to have support from technology companies with more
significant resources than we and other Fibre Channel companies have, they may
limit the growth of the Fibre Channel market and therefore our growth.

THE SAN MARKET IN WHICH WE COMPETE IS NEW AND UNPREDICTABLE, AND IF THIS MARKET
DOES NOT DEVELOP AND EXPAND AS WE ANTICIPATE, OUR BUSINESS WILL SUFFER.

The market for SANs and the related equipment, including the host bus
adapters, ASICs and management software that we offer, has only recently begun
to develop and is rapidly evolving. If this market does not develop as rapidly
as we anticipate, our operating results may be below the expectations of public
market analysts and investors, which would likely cause our stock price to
decline. Because this market is new, it is difficult to predict its potential
size or future growth rate. Our products are principally purchased for use in
SANs. Accordingly, widespread adoption of SANs as an integral part of
data-intensive enterprise computing environments is critical to our future
success. Potential end-users who have invested substantial resources in their
existing data storage and management systems may be reluctant or slow to adopt a
new approach like the SAN.

BECAUSE WE DEPEND ON A SMALL NUMBER OF OEM AND DISTRIBUTION CHANNEL CUSTOMERS
FOR A SIGNIFICANT PORTION OF OUR REVENUES IN EACH PERIOD, THE LOSS OF ANY OF
THESE CUSTOMERS OR ANY CANCELLATION OR DELAY OF A LARGE PURCHASE BY ANY OF THESE
CUSTOMERS COULD SIGNIFICANTLY REDUCE OUR NET REVENUES.

Historically, a limited number of OEMs and distribution channel
customers has accounted for a significant majority of our total net revenues in
each fiscal period. The loss of any of our key customers, or a significant
reduction in sales to those customers, could significantly reduce our net
revenues. We anticipate that our operating results in any given period will
continue to depend to a significant extent upon revenues from a small number of
customers.

In addition, because none of our customers are contractually obligated
to purchase any fixed amount of products from us in the future, they may stop
placing orders with us at any time, regardless of any forecast they may have
previously provided. If any of our large customers stop or delay purchases, our
revenues and profitability would be adversely affected, which could cause our
stock price to decline. We cannot be certain that we will retain our current OEM
or distribution channel customers or that we will be able to recruit additional
or replacement customers. As is common in an emerging technology industry, our
agreements with OEMs and distribution channel customers are typically
non-exclusive and often may be terminated by either





party without cause. Moreover, many of our OEM and distribution channel
customers utilize or carry competing product lines. If we were to suddenly lose
one or more important OEM or distribution channel customers to a competitor, our
business, operating results or financial condition could be materially adversely
affected. Moreover, some of our OEM customers could develop products internally
that would replace our products. The resulting reduction in sales of our
products to any such OEM customers, in addition to the increased competition
presented by these customers, could have a material adverse effect on our
business, operating results or financial condition.

CONTINUED RAPID GROWTH WILL STRAIN OUR OPERATIONS AND REQUIRE THAT WE INCUR
COSTS TO UPGRADE OUR INFRASTRUCTURE.

We have recently experienced a period of rapid growth and expansion
which has placed, and continues to place, a significant strain on our resources.
Unless we manage such growth effectively, we may make mistakes in operating our
business such as inaccurate sales forecasting, incorrect material planning or
inaccurate financial reporting, which may result in unanticipated fluctuations
in our operating results. Our management team has had limited experience
managing such rapidly growing companies on a public or private basis. We may not
be able to install adequate control systems in an efficient and timely manner,
and our current or planned personnel, systems, procedures and controls may not
be adequate to support our future operations.

OUR OPERATING RESULTS MAY SUFFER BECAUSE OF INCREASING COMPETITION IN THE FIBRE
CHANNEL MARKET, AS WELL AS ADDITIONAL COMPETITION FROM ALTERNATIVE DATA STORAGE
SOLUTIONS.

The market in which we compete is intensely competitive. As a result,
we will face a variety of significant challenges, including rapid technological
advances, price erosion, changing customer preferences and evolving industry
standards. Our competitors continue to introduce products with improved
price/performance characteristics, and we will have to do the same to remain
competitive. Increased competition could result in significant price
competition, reduced revenues, lower profit margins or loss of market share, any
of which would have a material adverse effect on our business, operating results
and financial condition. We cannot be certain that we will be able to compete
successfully against either current or potential competitors in the future.

Many of our current and potential competitors have substantially
greater financial, technical, marketing and distribution resources than we have.
We face the threat of potential competition from new entrants into the Fibre
Channel market, including large technology companies who may develop or acquire
differentiating technology and then apply their resources, including established
distribution channels and brand recognition, to obtain significant market share.
It is also possible that we will face increased competition due to mergers or
consolidations of existing or potential competitors. Emerging companies
attempting to obtain a share of the existing market act as potential competition
as well. Our products may also compete at the end-user level with other
technology alternatives, such as SCSI. Further, businesses that implement SANs
may select fully-integrated SAN systems that are offered by large technology
companies. Because such systems do not interoperate with products from
independent open system suppliers, like us, customers that invest in these
systems will be less likely to purchase our products. Other technologies
designed to address the applications served by Fibre Channel today are under
development, and because we focus exclusively on Fibre Channel, our business
would suffer as a result of competition from such competing technologies.

IN OUR INDUSTRY, TECHNOLOGY AND OTHER STANDARDS CHANGE RAPIDLY, AND WE MUST KEEP
PACE WITH THE CHANGES TO COMPETE SUCCESSFULLY.

The market for our products is characterized by rapidly changing
technology, evolving industry standards and the frequent introduction of new
products and enhancements. If we do not keep pace with these changes, we may
lose market share to our competitors and fail to meet our financial and
operational objectives. Because our products are designed to work with software
produced by third parties, our operating results could be adversely affected if
such third parties delay introduction of new versions of their software for
which we





have designed new products or if they make unanticipated modifications to such
software. Our future success depends in a large part on our ability to enhance
our existing products and to introduce new products on a timely basis to meet
changes in customer preferences and evolving industry standards. We cannot be
certain that we will be successful in designing, supplying and marketing new
products or product enhancements that respond to such changes in a timely manner
and achieve market acceptance. We also cannot be certain that we will be able to
develop the underlying core technologies necessary to create new products and
enhancements, or that we will be able to license the core technologies from
third parties. Additionally, changes in technology and customer preferences
could potentially render our current products uncompetitive or obsolete. If we
are unable, for technological or other reasons, to develop new products or
enhance existing products in a timely manner in response to technological and
market changes, our business, operating results and financial condition would be
materially adversely affected.

THE SALES CYCLE FOR OUR PRODUCTS IS LONG, AND WE MAY INCUR SUBSTANTIAL,
NON-RECOVERABLE EXPENSES OR DEVOTE SIGNIFICANT RESOURCES TO SALES THAT DO NOT
OCCUR WHEN ANTICIPATED.

Our sales cycle, particularly to OEMs, typically involves a lengthy
qualification cycle during which we generally invest significant resources in
addressing customer specifications. Because of the length of the sales cycle, we
may experience a delay between increasing expenses for research and development
and sales and marketing efforts and the generation of higher revenues, if any,
from such expenditures. The purchase of our products or of solutions that
incorporate our products typically involves significant internal procedures
associated with the evaluation, testing, implementation and acceptance of new
technologies. This evaluation process frequently results in a lengthy sales
process, typically ranging from three months to longer than a year, and subjects
the sales cycle associated with the purchase of our products to a number of
significant risks, including budgetary constraints and internal acceptance
reviews. The length of our sales cycle also varies substantially from customer
to customer.

THE FAILURE OF OUR OEM CUSTOMERS TO KEEP PACE WITH RAPID TECHNOLOGICAL CHANGE
AND TO SUCCESSFULLY DEVELOP AND INTRODUCE NEW PRODUCTS COULD ADVERSELY AFFECT
OUR NET REVENUES.

Our ability to generate increased revenues depends significantly upon
the ability and willingness of our OEM customers to develop and promote products
on a timely basis that incorporate our technology. If our OEM customers do not
successfully develop and market the solutions that incorporate our products,
then sales of our products to the OEM customers will be adversely affected. The
ability and willingness of OEM customers to develop and promote such products is
based upon a number of factors beyond our control.

While we have secured numerous design wins for our Fibre Channel
products from OEM customers, nearly all of these customers are still at the very
early stages of initial commercial shipments or at the developmental stage of
incorporating Fibre Channel into their systems. Only a limited number of OEM
customers are in full commercial production of products that incorporate our
products. If our developmental and early stage customers are unable to or
otherwise do not ship systems that incorporate our products, or if their shipped
systems are not commercially successful, our business, operating results or
financial condition could be materially adversely affected.

WE EXPECT THE AVERAGE SELLING PRICES OF OUR PRODUCTS TO CONTINUE TO DECREASE
RAPIDLY, WHICH MAY REDUCE GROSS MARGINS OR REVENUES.

The market for Fibre Channel products has experienced rapid erosion of
average selling prices due to a number of factors, including competitive pricing
pressures and rapid technological change. We may experience substantial
period-to-period fluctuations in future operating results due to the erosion of
our average selling prices. We anticipate that the average selling prices of our
products will decrease in the future in response to competitive pricing
pressures, increased sales discounts, new product introductions by us or our
competitors or other factors. Therefore, to maintain our gross margins, we must
develop and introduce on a timely basis new products and product enhancements
and continually reduce our product costs. Our failure to do so would cause





our revenue and gross margins to decline, which could materially adversely
affect our operating results and cause the price of our common stock to decline.

DELAYS IN PRODUCT DEVELOPMENT COULD ADVERSELY AFFECT OUR MARKET POSITION OR
CUSTOMER RELATIONSHIPS.

We have experienced delays in product development in the past and may
experience similar delays in the future. Given the short product life cycles in
the markets for our products, any delay or unanticipated difficulty associated
with new product introductions or product enhancements could cause us to lose
customers and damage our competitive position. Prior delays have resulted from
numerous factors, such as:

- changing OEM product specifications;

- difficulties in hiring and retaining necessary personnel;

- difficulties in reallocating engineering resources and other
resource limitations;

- difficulties with independent contractors;

- changing market or competitive product requirements;

- unanticipated engineering complexity;

- undetected errors or failures in software and hardware; and

- delays in the acceptance or shipment of products by OEM
customers.

BECAUSE WE RELY ON THIRD PARTIES FOR SUBSTANTIALLY ALL OF OUR MANUFACTURING AND
ASSEMBLY, FAILURES BY THESE THIRD PARTIES TO PROVIDE PRODUCTS OF SUFFICIENT
QUALITY AND QUANTITY COULD CAUSE US TO DELAY PRODUCTS SHIPMENTS, WHICH COULD
RESULT IN DELAYED OR LOST REVENUES OR CUSTOMER DISSATISFACTION.

Taiwan Semiconductor Manufacturing Company, or TSMC, fabricates our
Emerald ASIC wafers, and various subcontractors, such as AMKOR Technology,
Caesar International Inc. and Siliconware USA Inc., perform assembly, packaging
and testing of our ASICs so that we purchase and receive only finished product.
We have no long-term contracts with TSMC, SCI or SMS. Accordingly, our major
suppliers are not obligated to supply products to us for any specific period, or
in any specific quantity, except as may be provided in a particular purchase
order. If any of our third-party manufacturers experiences delays, disruptions,
capacity constraints or quality control problems in its manufacturing
operations, then products shipments to our customers could be delayed, which
would negatively impact our net revenues, competitive position and reputation.

Further, our business would be harmed if we fail to effectively manage
the manufacture of our products. Because we place orders with our manufacturers
based on our forecasts of expected demand for our products, if we inaccurately
forecast demand, we may be unable to obtain adequate manufacturing capacity or
adequate quantities of components to meet our customers' delivery requirements,
or we may accumulate excess inventories.

We may in the future need to find new contract manufacturers in order
to increase our volumes or to reduce our costs. We may not be able to find
contract manufacturers that meet our needs, and even if we do, qualifying a new
contract manufacturer and commencing volume production is expensive and time
consuming. If we are required or elect to change contract manufacturers, we may
lose revenues, and our customer relationships may suffer.





BECAUSE WE DEPEND ON SOLE SOURCE AND LIMITED SOURCE SUPPLIERS FOR KEY
COMPONENTS, WE ARE SUSCEPTIBLE TO SUPPLY SHORTAGES THAT COULD ADVERSELY AFFECT
OUR OPERATING RESULTS.

We rely on third-party suppliers for components that are used in our
products, and we have experienced delays or difficulty in securing components in
the past. Key components that we use in our products may, from time to time,
only be available from single sources with which we do not have long-term
contracts. In particular, Hewlett-Packard is currently the sole supplier of
certain components in certain of our SBus host bus adapters. The components we
use for our products are based on an emerging technology and may not be
available with the performance characteristics or in the quantities that we
require. Any inability to supply products due to a lack of components or to
redesign products to incorporate alternative components in a timely manner could
materially adversely affect our business, operating results or financial
condition.

BECAUSE A SIGNIFICANT PORTION OF OUR PRODUCTS IS DESIGNED TO WORK WITH HIGH-END
SERVERS FROM SUN MICROSYSTEMS AND STORAGE ARRAYS FROM EMC, OUR BUSINESS COULD
SUFFER IF SUN OR EMC DISCONTINUES PRODUCTION OF SUCH EQUIPMENT OR IF WE FAIL TO
DEVELOP PRODUCTS THAT WORK EFFECTIVELY WITH SUCH EQUIPMENT. SUN HAS ANNOUNCED
ITS INTENTION TO DISCONTINUE PRODUCTION OF SERVERS WITH THE SBUS INTERFACE, AND
THEREFORE, SALES OF OUR PRODUCTS DESIGNED FOR THE SBUS INTERFACE WILL DIMINISH
OVER TIME.

Our host bus adapters have achieved their greatest market acceptance in
computing environments built with servers from Sun Microsystems due to our
products' interoperability with the Sun Solaris operating system and the SBus
interface developed and promoted by Sun. A significant portion of our products
is currently used to connect high-end Sun servers that incorporate SBus
interfaces to SANs, and these products have accounted for the substantial
majority of our historical revenues. In particular, sales of our FibreStar host
bus adapters designed to work with the SBus interface accounted for
approximately 83% of our net revenues in 1999 and 86% of our net revenues in
1998. In addition, a significant portion of our host bus adapters are used to
form connections to storage arrays manufactured by EMC. Accordingly, we depend
to a certain extent upon the increased market penetration of Sun and EMC systems
and our ability to continue to develop products that interoperate effectively in
Sun and EMC environments. Sun has announced its intention to phase out
production of servers with the SBus interface in 2001. Accordingly, we
anticipate that the percentage of our revenues attributable to sales of our SBus
host bus adapters will decline over time. If Sun accelerates its phase out of
such workstations, our business would suffer due to decreased sales of SBus host
bus adapters.

BECAUSE OUR INTELLECTUAL PROPERTY IS CRITICAL TO THE SUCCESS OF OUR BUSINESS,
OUR OPERATING RESULTS WOULD SUFFER IF WE WERE UNABLE TO ADEQUATELY PROTECT OUR
INTELLECTUAL PROPERTY.

We currently rely on a combination of copyrights, trademarks, trade
secret laws and contractual provisions to establish and protect our intellectual
property rights in our products. We cannot be certain that the steps we take to
protect our intellectual property will adequately protect our proprietary
rights, that others will not independently develop or otherwise acquire
equivalent or superior technology or that we can maintain such technology as
trade secrets. In addition, the laws of some of the countries in which our
products are or may be developed, manufactured or sold may not protect our
products and intellectual property rights to the same extent as the laws of the
United States, or at all. Our failure to protect our intellectual property
rights could have a material adverse effect on our business, operating results
or financial condition.

WE MAY BECOME INVOLVED IN COSTLY AND LENGTHY PATENT INFRINGEMENT OR INTELLECTUAL
PROPERTY LITIGATION WHICH COULD SERIOUSLY HARM OUR BUSINESS.

We occasionally receive communications from third parties alleging
patent infringement, and there is the chance that third parties may assert
infringement claims against us. Any such claims, with or without merit, could
result in costly and time-consuming litigation or cause product shipment delays
which would adversely affect our business, financial condition or operating
results. It is possible that patent holders will assert patent rights which
apply broadly to our industry, and that such patent rights, if valid, may apply
to our products or technology. These or other claims may require us to stop
using the challenged intellectual property or to enter





into royalty or licensing agreements. We cannot be certain that the necessary
licenses will be available or that they can be obtained on commercially
reasonable terms. If we were to fail to obtain such royalty or licensing
agreements in a timely manner or on reasonable terms, our business, operating
results or financial condition could be materially adversely affected.

THE LOSS OF OR FAILURE TO ATTRACT KEY TECHNICAL, SALES AND MARKETING AND
MANAGERIAL PERSONNEL COULD ADVERSELY AFFECT OUR BUSINESS.

Our success depends to a significant degree upon the performance and
continued service of engineers involved in the development of our Fibre Channel
technology and technical support of products and customers. Our success also
depends to a significant degree upon the continued contributions of our key
management, sales and marketing and manufacturing personnel. Accordingly, our
future success depends upon our ability to attract, train and retain such
technical, sales and marketing and managerial personnel. We do not maintain key
person life insurance on any of these personnel, and we do not have employment
agreements with any of these personnel obligating them to continue to provide
services to JNI. We will need to increase the number of technical staff members
with experience in high performance ASIC design as we further develop our
product line. In addition, we are currently seeking to hire additional skilled
development engineers who are currently in short supply. Competition for such
highly skilled employees in our industry is intense, and we cannot be certain
that we will be successful in recruiting or retaining such personnel. In
addition, employees may leave our company and subsequently compete against us.
The loss of key employees could have a material adverse effect on our business,
operating results and financial condition.

We also believe that our success depends to a significant extent on
the ability of our key personnel to operate effectively, both individually and
as a group. Many of our employees have only recently joined us, and we intend to
expand our employee base significantly. If we are unable to identify, hire and
integrate new employees in a timely and cost-effective manner, our operating
results may suffer.

OUR EXPORT SALES SUBJECT US TO RISKS THAT COULD ADVERSELY AFFECT OUR BUSINESS.

Export sales accounted for 17% of our net revenues in 1999, compared to
14% of net revenues in 1998 and 14% of net revenues in 1997. Accordingly, we
encounter risks inherent in international operations. Because all of our sales
are currently denominated in U.S. dollars, if the value of the U.S. dollar
increases relative to foreign currencies, our products could become less
competitive in international markets. Our export sales could also be limited or
disrupted by any of the following factors:

- restrictions on the export of technology;

- longer accounts receivable payment cycles;

- reduced and limited protections of intellectual property
rights;

- trade restrictions; and

- changes in tariffs.

FAILURE TO COMPLY WITH GOVERNMENTAL REGULATIONS BY US OR OUR OEM CUSTOMERS COULD
REDUCE OUR SALES OR REQUIRE DESIGN MODIFICATIONS.

Our products are subject to U.S. Department of Commerce and Federal
Communications Commission regulations as well as various standards established
by authorities in other countries. Failure to comply with existing or evolving
U.S. or foreign governmental regulation or to obtain timely domestic foreign
regulatory approvals or certificates could materially harm our business by
reducing our sales or requiring design





modifications to our products or the products of our OEM customers. Neither we
nor our customers may export such products without obtaining an export license.
U.S. export laws also prohibit the export of our products to a number of
countries deemed by the United States to be hostile. These restrictions may make
foreign competitors facing less stringent controls on their products more
competitive in the global market than we or our customers are. The U.S.
government may not approve any pending or future export license requests. In
addition, the list of products and countries for which export approval is
required, and the regulatory policies with respect thereto, could be revised.

OUR PRODUCTS ARE COMPLEX AND MAY CONTAIN UNDETECTED SOFTWARE OR HARDWARE ERRORS
THAT COULD LEAD TO AN INCREASE IN OUR COSTS, REDUCE OUR NET REVENUES OR DAMAGE
OUR REPUTATION.

Products as complex as ours frequently contain undetected software or
hardware errors when first introduced or as new versions are released. We have
from time to time found errors in existing products, and we may from time to
time find errors in our existing, new or enhanced products. The occurrence of
hardware or software errors could adversely affect sales of our products, cause
us to incur significant warranty and repair costs, divert the attention of our
engineering personnel from our product development efforts and cause significant
customer relations problems.

OUR FAILURE, OR THE FAILURE OF OUR KEY SUPPLIERS, TO ADEQUATELY PREPARE FOR THE
YEAR 2000 ISSUE COULD INTERRUPT OUR BUSINESS OR CAUSE OUR REVENUES TO DECLINE.

Many software programs may not recognize calendar dates beginning in
the Year 2000. This problem could cause computers or machines that utilize date
dependent software to either shut down or provide incorrect information. As of
the date of hereof, we have not experienced any material Year 2000 problems.
However, if we or any other company that we conduct business with fails to
mitigate internal and external year 2000 risks, we may temporarily be unable to
engage in business activities, which could materially harm our business.

RISKS RELATED TO SECURITIES MARKETS

WE MAY NEED ADDITIONAL CAPITAL IN THE FUTURE TO FUND THE GROWTH OF OUR BUSINESS,
AND FINANCING MAY NOT BE AVAILABLE.

We currently anticipate that our available capital resources, combined
with cash flows from operations, will be sufficient to meet our expected working
capital and capital expenditure requirements for at least the next 12 months.
However, we cannot assure you that such resources will be sufficient to fund the
growth of our business.

We may also raise additional funds through public or private debt or
equity financings if such financings become available on favorable terms, but
such financings would likely dilute our stockholders. We cannot assure you that
any additional financing we may need will be available on terms favorable to us,
or at all. If adequate funds are not available or are not available on
acceptable terms, we may not be able to take advantage of unanticipated
opportunities, develop new products or otherwise respond to competitive
pressures. In any such case, our business, operating results or financial
condition could be materially adversely affected.

WE MAY ENGAGE IN FUTURE ACQUISITIONS THAT DILUTE OUR STOCKHOLDERS' EQUITY AND
CAUSE US TO INCUR DEBT OR ASSUME CONTINGENT LIABILITIES.

We may pursue acquisitions that could provide new technologies or
products. Future acquisitions may involve the use of significant amounts of
cash, potentially dilutive issuances of equity or equity-linked securities, the
incurrence of debt, or amortization expenses related to goodwill and other
intangible assets.





In addition, acquisitions involve numerous risks, including:

- difficulties in the assimilation of the operations,
technologies, products and personnel of the acquired company;

- the diversion of management's attention from other business
concerns;

- risks of entering markets in which we have no or limited prior
experience; and

- the potential loss of key employees of the acquired company.

We currently have no commitments or agreements with respect to any such
acquisition. In the event that such an acquisition does occur and we are unable
to successfully integrate businesses, products, technologies or personnel that
we acquire, our business, operating results or financial condition could be
materially adversely affected.

OUR STOCK PRICE MAY BE VOLATILE.

The stock market in general, and the stock prices of technology-based
companies in particular, have experienced extreme volatility that often has been
unrelated to the operating performance of any specific public company. Changes
in analysts' estimates of our earnings as well as any of the factors described
in "Factors That May Affect Future Performance" could have a significant impact
on the market price of our common stock. In the past, companies that have
experienced volatility in the market price of their stock have been the subject
of securities class action litigation. If we were the subject of securities
class action litigation, it could result in substantial costs and a diversion of
management's attention and resources.

JAYMARK, INC. WILL BE ABLE TO CONTROL ANY STOCKHOLDER VOTES AND HAS THE POWER TO
TAKE OR PREVENT CORPORATE ACTIONS WITHOUT CONSIDERING THE BEST INTERESTS OF
OTHER STOCKHOLDERS.

Jaymark beneficially owns approximately 64.9% of our outstanding common
stock. As a result, Jaymark will be able to determine the outcome of all
corporate actions requiring stockholder approval. Because Jaymark has the
ability to control us, it has the power to act without taking the best interests
of our company into consideration. For example, Jaymark will continue to
exercise significant influence over decisions with respect to the following:

- the direction and policies of our company, including the
election and removal of directors;

- mergers or other business combinations involving us;

- amendments to our certificate of incorporation or bylaws; and

- future issuances of our common stock or other securities.

Any of these powers could be used by Jaymark for its own advantage to the
detriment of our other stockholders and our company. This in turn may have an
adverse effect on the price of our common stock.

WE DO NOT PLAN TO PAY CASH DIVIDENDS ON OUR COMMON STOCK.

We have never paid cash dividends on our common stock and do not
anticipate paying any cash dividends in the foreseeable future. We intend to
retain future earnings, if any, to finance the growth and expansion of our
business and for general corporate purposes.





SALES OF OUR COMMON STOCK IN THE PUBLIC MARKET BY INVESTORS WHO HELD OUR STOCK
PRIOR TO OUR INITIAL PUBLIC OFFERING MAY BEGIN ON APRIL 25, 2000 AND COULD CAUSE
OUR STOCK PRICE TO DECLINE.

Our current stockholders, Jaymark, Inc. and Adaptec, Inc., hold a
substantial number of shares, which they will be able to sell in the public
market in the near future. Jaymark holds approximately 64.9% of our outstanding
stock and Adaptec holds approximately 9.0% of our outstanding stock, assuming
exercise of their warrant for 840,000 shares. Subject to limitations on volume
under Rule 144, Jaymark will be able to sell all the shares of our common stock
that it holds beginning April 25, 2000 upon the expiration of an agreement with
the underwriters of our initial public offering. At the same time, and subject
to the same limitations, Adaptec will be able to sell 1,132,895 shares of our
common stock that it holds. Jaymark may also distribute the shares of our common
stock that it holds to its stockholders, who could then be eligible to sell such
shares in the public market. In addition, our employees hold options to purchase
a large number of shares, and they will also be able to sell the shares they may
acquire upon exercise of those options in the near future. Sales of a
substantial number of shares of our common stock could cause our stock price to
decline. In addition, the sale of these shares could impair our ability to raise
capital through the sale of additional stock.

ITEM 2. PROPERTIES

JNI leases approximately 26,800 square feet in San Diego, California
from Jaycor, an affiliate of JNI, for product development and test laboratories,
for manufacturing operations, and for administrative, engineering, marketing and
sales offices. Effective February 12, 2000, JNI amended its lease agreement with
Jaycor. The term of the lease expires April 31, 2001. Effective August 1, 2000,
the square footage under the lease with Jaycor will increase to 70,946 square
feet. JNI leases approximately 7,000 square feet of office and laboratory space
in Irvine, California under a lease that expires in July 2000. JNI also leases
approximately 6,700 square feet in Fremont, California under a lease that
expires in August 2000. We believe that our current facilities will be adequate
to meet our needs until at least April 31, 2001.

ITEM 3. LEGAL PROCEEDINGS

From time to time, we may be involved in litigation relating to claims
arising out of our operations. As of the date of this report, we are not a party
to any legal proceedings that are expected, individually or in the aggregate, to
have a material adverse effect on our business, financial condition or operating
results.

ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

No matters were submitted to a vote of security holders during the
quarter ended December 31, 1999.





PART II

ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER MATTERS

The Company's Common Stock, $0.001 par value per share, has traded on
The Nasdaq National Market under the symbol "JNIC" since October 27, 1999. The
following table sets forth the high and low sale prices for the Common Stock as
reported by the Nasdaq National Market during the fourth quarter of fiscal 1999.




PERIOD HIGH LOW
------ ---- ---

Fourth Quarter (from October 27, 1999) $114.75 $38.75



As of February 29, 2000 there were 21,991,348 shares of common stock
outstanding held by approximately 44 holders of record.

USE OF PROCEEDS FROM INITIAL PUBLIC OFFERING

In September 1999, we filed a registration statement under the
Securities Act of 1933 to sell up to 2.8 million newly issued shares of common
stock and 2.2 million shares held by our principal stockholder, Jaymark, Inc. in
our initial public offering ("IPO"). The effective date of the registration
statement was October 26, 1999, under Commission File No. 333-86501. The
offering was managed by Donaldson, Lufkin & Jenrette Securities Corporation,
Hambrecht & Quist LLC, Bear, Stearns & Co. Inc. and DLJdirect Inc. and closed on
October 29, 1999 after we sold an aggregate of 2.8 million shares of common
stock and Jaymark sold 2.1 million shares of common stock at an initial public
offering price per share of $19.00. Also on October 29, 1999, Jaymark sold an
additional 735,000 shares of common stock at an initial public offering price
per share of $19.00 upon the underwriters' exercise in full of their
over-allotment option. The IPO resulted in gross proceeds to us of $53.2
million, $3.7 million of which was applied toward the underwriting discount.
Other expenses related to the offering totaled approximately $1.4 million. Our
net proceeds totaled $48.1 million, all of which were deposited into our
accounts in October 1999. We did not receive any proceeds from Jaymark's sale of
shares in the offering and pursuant to the underwriters' over-allotment option.
As of December 31, 1999, the offering proceeds were applied as follows: $3.1
million to repay our indebtedness to Jaymark and $45.0 million for temporary
investments in marketable securities.





ITEM 6. SELECTED FINANCIAL DATA

The selected financial data as of December 31, 1999 and 1998 and for
each of the years in the three-year period ended December 31, 1999 have been
derived from the Company's audited financial statements included elsewhere in
this report. The selected financial data as of December 31, 1997 and for the
year ended December 31, 1996 have been derived from audited financial statements
for the Company not included herein. The selected financial data as of December
31, 1996 and 1995 and for the year ended December 31, 1995 are unaudited, have
been prepared on the same basis as the audited financial statements and, in our
opinion, reflect all adjustments, consisting only of normal recurring
adjustments, necessary to present fairly the financial information in accordance
with generally accepted accounting principles. The selected financial data set
forth below is qualified in its entirety by reference to, and should be read in
conjunction with, "Management's Discussion and Analysis of Financial Condition
and Results of Operations" and the Financial Statements and related notes
thereto included elsewhere in this report.




YEAR ENDED DECEMBER 31,
-----------------------
1999 1998 1997 1996 1995
(IN THOUSANDS, EXCEPT PER SHARE DATA)

STATEMENT OF OPERATIONS DATA:
Net revenues ................................................... $ 40,171 $ 12,189 $ 2,903 $ 374 $ 74
Cost of revenues ............................................... 15,402 5,361 1,252 348 53
-------- -------- -------- -------- --------
Gross margin ............................................... 24,769 6,828 1,651 26 21
Operating expenses:
Research and development ................................... 11,951 2,919 1,202 510 381
Selling and marketing ...................................... 4,806 1,526 681 532 161
General and administrative ................................. 3,476 1,698 822 471 73
Amortization of intangible assets .......................... 1,506 47 -- -- --
Amortization of stock-based compensation ................... 842 35 -- -- --
-------- -------- -------- -------- --------
Total operating expenses ............................... 22,581 6,225 2,705 1,513 615
-------- -------- -------- -------- --------
Operating income (loss) ........................................ 2,188 603 (1,054) (1,487) (594)
Interest income ................................................ 352 -- -- -- --
Interest expense ............................................... (455) (265) (130) -- --
-------- -------- -------- -------- --------
Income (loss) before income taxes .............................. 2,085 338 (1,184) (1,487) (594)
Income tax provision (benefit) ................................. (673) 27 -- -- --
-------- -------- -------- -------- --------
Net income (loss) .............................................. $ 2,758 $ 311 $ (1,184) $ (1,487) $ (594)
======== ======== ======== ======== ========
Earnings (loss) per common share:
Basic .......................................................... $ 0.64 $ 0.74 $ (2.82) $ (3.54) $ (1.41)
======== ======== ======== ======== ========
Diluted ........................................................ $ 0.12 $ 0.02 $ (2.82) $ (3.54) $ (1.41)
======== ======== ======== ======== ========
Number of shares used in per share computations:
Basic (1) ...................................................... 4,285 420 420 420 420
Diluted (1) .................................................... 23,789 17,977 420 420 420
BALANCE SHEET DATA:
Cash, cash equivalents and investments ......................... $ 44,829 $ -- $ -- $ -- $ --
Working capital ................................................ 49,346 (1,830) (923) 325 178
Total assets ................................................... 72,825 7,814 1,900 446 259
Due to affiliate ............................................... -- 3,061 1,950 -- --
Stockholders' equity (deficit) ................................. 65,222 1,173 (740) 362 196




(1) The number of shares used in the basic and diluted share computations
assumes the shares of common stock issued in February 1997 were
outstanding for all prior periods.





ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
OF OPERATION

The following discussion should be read in conjunction with the
financial statements and the related notes contained elsewhere in this report.

OVERVIEW

We are a leading developer and manufacturer of Fibre Channel hardware
and software products that form critical elements of SANs. We offer a broad line
of host bus adapters, ASICs and software that provides high bandwidth for data
communication, high speed data transmission without degradation over distances
of up to ten kilometers, guaranteed data delivery and scalability to large
numbers of network connections. We commenced operations in 1993 as a division of
Jaycor, Inc. In February 1997, Jaycor effected a corporate reorganization in
which it formed two new corporations: Jaymark, Inc. and JNI. Jaymark became the
parent of Jaycor and of JNI in that reorganization transaction. Jaycor then
transferred technology and assets relating to Fibre Channel to Jaymark, which in
turn contributed these assets to JNI. While operating as a division of Jaycor,
we shipped our first commercially available Fibre Channel products in 1995. We
commenced volume production of host bus adapters in 1996, and we are currently
the leading independent supplier of host bus adapters for the Sun Solaris
operating system. In late 1998, we obtained our initial certification from an
OEM customer for our host bus adapters for the PCI interface, and in 1999 we
introduced a much lower cost host bus adapter for the PCI interface based on
Fibre Channel products and technology acquired from Adaptec. We first achieved
operating income in the quarter ended September 30, 1998. We completed our
initial public offering in October 1999.

We derive substantially all of our revenue from sales of our FibreStar
lines of host bus adapters. Historically, we have derived the substantial
majority of our revenues from sales of our FibreStar host bus adapters designed
for the SBus specification. Sun Microsystems manufactures and sells
substantially all of the servers that incorporate the SBus interface, and Sun
has announced its intention to phase out production of this equipment in 2001.
Accordingly, we expect that sales of our products designed to work with the SBus
interface will eventually decline. We expect our Emerald-based host bus adapters
designed for the PCI bus to account for an increasing proportion of revenues in
the future. We also derive revenues from sales of our proprietary Emerald ASICs.
All of our sales are denominated in U.S. dollars. Historically, a limited number
of OEMs and distributor customers has accounted for a significant majority of
our total net revenues in each fiscal period. The loss of any of our key
customers, or a significant reduction in sales to those customers, could
significantly reduce our net revenues. We anticipate that our operating results
in any given period will continue to depend to a significant extent upon
revenues from a small number of customers.

As our Emerald-based host bus adapters designed for the PCI interface
become a greater percentage of our revenues, we expect that the average selling
price of our products will continue to decrease. Further, the average selling
prices of our new and existing products are likely to continue to decline in the
future as we and our competitors introduce new and more technologically advanced
products and as price-based competition intensifies. In addition, sales price
reductions tied to volume shipments are typically part of our volume purchase
agreements with our distribution channel customers.

COMPARISON OF YEARS ENDED DECEMBER 31, 1999 AND 1998

NET REVENUES. Net revenues increased $28.0 million, or 230%, to
$40.2 million for the year ended December 31, 1999 from $12.2 million for the
year ended December 31, 1998. The substantial majority of the increase was due
to an increase in sales of SBus host bus adapters. To a lesser extent, the
increase in net revenues was due to an increase in sales of PCI host bus
adapters. The increase in revenues also reflects the growth in the market for
Fibre Channel products and the increased market acceptance of our products. In
1999, our top five customers accounted for 60% of net revenues, compared to 56%
of net revenues for the





top five customers in 1998. Sales to customers outside of the United States
accounted for 17% of net revenues in 1999 compared to 14% of net revenues in
1998.

GROSS MARGIN. Gross margin increased $17.9 million, or 263%, to $24.8
million in 1999 from $6.8 million in 1998. Gross margin as a percentage of net
revenues increased to 61.7% in 1999 from 56.0% in 1998. The increase was due to
lower component and manufacturing costs and the allocation of fixed
manufacturing costs over a greater revenue base.

RESEARCH AND DEVELOPMENT. Research and development expenses increased
$9.0 million, or 309%, to $12.0 million in 1999 from $2.9 million in 1998. The
increase was due primarily to higher personnel costs and contracted services,
resulting from an increase in the number of personnel in order to staff a higher
level of research and development activities and the payment of incentive
bonuses in 1999. In addition, equipment purchases and rentals and prototyping
expenses increased to complete development of products based on the technology
we acquired from Adaptec in November 1998. We also incurred increased research
and development expenses related to improvements in our Sbus host bus adapters
and the development of new drivers for our PCI host bus adapters. As a
percentage of net revenues, research and development expenses increased to 29.8%
in 1999 from 23.9% in 1998. We anticipate that research and development expenses
will increase in absolute dollars in future periods as we hire additional
personnel and introduces enhanced versions of our products.

SELLING AND MARKETING. Selling and marketing expenses increased $3.3
million, or 215%, to $4.8 million in 1999 from $1.5 million in 1998. The
increase was primarily due to higher personnel costs, trade shows and
promotional items, and travel expenses resulting from an increase in the number
of sales and marketing personnel and increased trade show participation. Selling
and marketing expenses as a percentage of net revenues decreased to 12.0% in
1999 from 12.5% in 1998 primarily due to the increase in our revenues. Although
we anticipate that selling and marketing expenses will increase in absolute
dollars in future periods as we hire additional personnel, selling and marketing
expenses may decline as a percentage of net revenues to the extent that net
revenues increase at a faster rate.

GENERAL AND ADMINISTRATIVE. General and administrative expenses
increased $1.8 million, or 105%, to $3.5 million in 1999 from $1.7 million in
1998. The increase was primarily due to higher personnel costs arising from the
addition of new employees and higher legal and accounting costs resulting from
increased business activity. General and administrative expenses as a percentage
of net revenues decreased to 8.7% in 1999 from 13.9% in 1998 due to the increase
in revenues.

AMORTIZATION OF INTANGIBLE ASSETS. We amortized $1.5 million of
intangible assets during the year ended December 31, 1999 compared to $47,000
during the year ended December 31, 1998. The increase in amortization expense is
attributed to the significant increase in intangible assets resulting from the
additional consideration issued to Adaptec in the third quarter of fiscal 1999
for the fibre channel technology acquired from Adaptec in November 1998. See
Note 2 to the Financial Statements.

AMORTIZATION OF STOCK-BASED COMPENSATION. In connection with the grant
of stock options to employees during the year ended December 31, 1999, we
recorded stock-based compensation within stockholders' equity (deficit) of $1.2
million and amortized stock-based compensation of $842,000. Amortization of
stock-based compensation during the year ended December 31, 1998 was $35,000.

INTEREST INCOME. Interest income primarily represents interest earned
in November and December 1999 on our investments in debt securities.

INTEREST EXPENSE. Interest expense increased by $190,000 to $455,000
for the year ended December 31, 1999 from $265,000 for the year ended December
31, 1998. The increase resulted from higher intercompany revolver borrowings
from Jaycor to finance increased inventory and accounts receivable,





reflecting the rapid growth in revenues during that period. Subsequent to our
initial public offering, the outstanding balance to Jaycor was paid in full.

INCOME TAX PROVISION (BENEFIT). We recognized an income tax benefit of
$673,000 during the year ended December 31, 1999 due primarily to the
utilization of net operating loss carryforwards and the release of a deferred
tax asset valuation allowance. The valuation allowance was released during the
second quarter of 1999 based on management's determination that it became more
likely than not that our net deferred tax assets will be realized. This
determination was based on our historical operating results, which included the
fourth consecutive quarter of pre-tax net income (before non-deductible
stock-based compensation), and anticipated future operating results. Excluding
the effect for the release of the valuation allowance, the tax rate for 1999
would have been approximately 35%. In 1998, we recorded an income tax provision
of $27,000 which represented a current tax liability for alternative minimum
taxes.

COMPARISON OF YEARS ENDED DECEMBER 31, 1998 AND 1997

NET REVENUES. Net revenues increased $9.3 million, or 320%, to $12.2
million in 1998 from $2.9 million in 1997. These increases primarily reflect a
higher level of sales to our OEM customers resulting from increased market
acceptance of Fibre Channel technology and our products and the initiation of
sales through our distribution channel customers. In the year ended December 31,
1998, our top five customers accounted for approximately 57% of our net
revenues, compared to 54% for the top five customers in 1997.

GROSS MARGIN. Gross margin increased $5.1 million, or 314%, to $6.8
million in 1998 from $1.7 million in 1997 due to increased revenues. Gross
margin as a percentage of net revenues decreased slightly to 56% in 1998 from
56.9% in 1997.

RESEARCH AND DEVELOPMENT. Research and development expenses increased
$1.7 million, or 143%, to $2.9 million in 1998, primarily due to expenses
related to developing new products and enhancements to existing products. As a
percentage of net revenues, research and development expenses decreased to 23.9%
in 1998 from 41.4% in 1997. This decrease was primarily attributable to the
increase in revenues.

SELLING AND MARKETING. Selling and marketing expenses increased
$845,000, or 124%, to $1.5 million in 1998 from $681,000 in 1997. The increase
was primarily due to additional salaries and expenses for marketing and sales
personnel. Selling and marketing expenses as a percentage of net revenues
decreased to 12.5% in 1998 from 23.5% in 1997 primarily due to the increase in
revenues.

GENERAL AND ADMINISTRATIVE. General and administrative expenses
increased $876,000, or 107%, to $1.7 million in 1998 from $822,000 in 1997. The
increase was primarily due to higher personnel costs arising from the addition
of new employees. General and administrative expenses as a percentage of net
revenues decreased to 13.9% in 1998 from 28.3% in 1997 as a result of an
increase in revenues.

AMORTIZATION OF INTANGIBLE ASSETS. We amortized $47,000 of intangible
assets during the year ended December 31, 1998. Amortization of intangible
assets during the year ended December 31, 1997 was $0.

AMORTIZATION OF STOCK-BASED COMPENSATION. In connection with the grant
of stock options to employees during the year ended December 31, 1998, we
recorded stock-based compensation within stockholders' equity (deficit) of $1.0
million. We amortized $35,000 of that amount during 1998. Amortization of
stock-based compensation during the year ended December 31, 1997 was $0.

INTEREST EXPENSE. Interest expense increased by $135,000, or 104%, to
$265,000 in 1998 from $130,000 in 1997. The increase resulted from higher
intercompany revolver borrowings from Jaycor to finance increased accounts
receivable and inventories to support the increased level of sales.





INCOME TAX PROVISION (BENEFIT). In 1998, we recorded an income tax
provision of $27,000 which represented a current tax liability for alternative
minimum taxes. Due to our history of losses, our regular tax liability was
offset by net operating loss carryforwards for which no benefit had previously
been recognized. An income tax provision of $0 was recognized in 1997 due to our
loss position.

LIQUIDITY AND CAPITAL RESOURCES

Prior to our initial public offering in October 1999, borrowings from
Jaycor, Inc., a wholly-owned subsidiary of our parent corporation Jaymark, Inc.,
were our principal source of working capital. Upon the completion of our initial
public offering, we raised approximately $49.5 million after the payment of
underwriters' commission but before the deduction of offering expenses. The
proceeds from our initial public offering and cash flow generated from
operations are currently the primary source of funding for our operations.
Subsequent to the initial public offering, all amounts due to Jaycor were paid
in full, and we no longer borrow from Jaycor.

During 1999, cash provided by operating activities was $2.6 million,
compared to $751,000 of cash provided by operating activities in 1998. The cash
provided by operations reflects net income before depreciation and amortization
of approximately $6.3 million, further increased by an increase in accounts
payable and accrued liabilities and partially offset by the increase in accounts
receivable, inventories and deferred income taxes. In 1998, cash provided by
operating activities was $751,000. In 1997, cash used in operating activities
was $1.7 million, which primarily reflects our net loss.

Net cash used in investing activities was $43.1 million in 1999 and
consisted of purchases of marketable securities available for sale and capital
expenditures partially offset by proceeds from the sale of marketable
securities. Net cash used in investing activities was $1.6 million in 1998 and
$219,000 in 1997 and consisted solely of capital expenditures. The capital
expenditures reflect our investment in computer and lab equipment, software
development tools and facilities, which are required to support our business
expansion.

Net cash provided by financing activities was $45.5 million in 1999,
which was generated primarily from our initial public offering in October 1999,
partially offset by net payments to affiliate. Net cash provided by financing
activities was $846,000 in 1998 and $1.9 million in 1997, all of which was
provided by advances from Jaycor.

We had $44.8 million of cash and cash equivalents and investments at
December 31, 1999. Working capital increased to $49.3 million at December 31,
1999 from $(1.8) million at December 31, 1998.

We believe that the proceeds from our initial public offering, together
with our cash flows from operations, will be sufficient to meet working capital
needs at least through the next 12 months, although we could be required, or
could elect, to seek additional funding prior to that time. Our future capital
requirements will depend on many factors, including the rate of revenue growth,
the timing and extent of spending to support product development efforts and
expansion of sales and marketing, the timing of introductions of new products
and enhancements to existing products, and market acceptance of our products.
There can be no assurance that additional equity or debt financing, if required,
will be available on acceptable terms, or at all.

RECENT ACCOUNTING PRONOUNCEMENTS

In June 1998, Statement of Financial Accounting Standards No. 133,
"Accounting for Derivative Instruments and Hedging Activities" ("SFAS 133") was
issued. This statement will be effective for JNI on January 1, 2001. SFAS 133
requires certain accounting and reporting standards for derivative financial
instruments and hedging activities. Under SFAS 133, all derivatives must be
recognized as assets and





liabilities and measured at fair value. We have not determined the impact of the
adoption of this new accounting standard on our financial statements.

In December 1999, the Securities and Exchange Commission issued Staff
Accounting Bulletin (SAB) No. 101, "Revenue Recognition in Financial
Statements." The objective of this SAB is to provide further guidance on revenue
recognition issues in the absence of authoritative literature addressing a
specific arrangement or a specific industry. The guidance in the SAB is required
to be followed no later than the first fiscal quarter of the fiscal year
beginning after December 15, 1999. The adoption of the SAB is not expected to
have a material impact on the Company's financial position or results of
operations, but may impact the timing and pattern of revenue recognition in the
future.

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Our exposure to market risk for changes in interest rates relates
primarily to changes in the fair market value of our investments and the amount
of interest income earned on our investment portfolio. In the normal course of
business, we employ established policies and procedures to manage our exposure
to changes in the fair market value of our investments.

Under our current policies, we do not use interest rate derivative
instruments to manage exposure to interest rate changes. We ensure the safety
and preservation of our invested principal funds by limiting default risks,
market risk and reinvestment risk. We mitigate default risk by investing in
investment grade securities. A hypothetical 100 basis point adverse move in
interest rates along the entire interest rate yield curve would not materially
affect the fair value of our interest sensitive financial instruments at
December 31, 1999.

Currently, all of our sales are denominated in U.S. dollars, so we are
not exposed to foreign currency related risks.

ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

See the Index to Financial Statements on page F-1.

ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
FINANCIAL DISCLOSURE

None.

PART III

ITEM 10. DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

The information required by this Item will be set forth in the section
headed "Proposal 1--Election of Directors" in the Company's definitive Proxy
Statement for the Annual Meeting of Stockholders of the Company (the "Proxy
Statement") which is expected to be filed not later than 120 days after the end
of the Company's fiscal year ended December 31, 1999, and is incorporated in
this report by reference.

ITEM 11. EXECUTIVE COMPENSATION

The information required by this Item is set forth in the section
headed "Executive Compensation" in the Company's definitive Proxy Statement and
is incorporated in this report by reference.





ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

The information required by this Item is set forth in the section
headed "Security Ownership of Certain Beneficial Owners and Management" in the
Company's definitive Proxy Statement and is incorporated in this report by
reference.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

The information required by this Item is set forth in the sections
headed "Certain Relationships and Related Transactions" and "Compensation
Committee Interlocks and Insider Participation" in the Company's definitive
Proxy Statement and is incorporated in this report by reference.

PART IV

ITEM 14. EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K

(a) The following documents are filed as part of this report:

1. FINANCIAL STATEMENTS:

The financial statements of JNI listed below are incorporated in this
report by reference to JNI's Annual Report to Stockholders for the
fiscal year ended December 31, 1999:

Report of Independent Accountants

Balance Sheets as of December 31, 1999 and 1998

Statements of Operations the Years Ended December 31, 1999, 1998 and
1997

Statements of Stockholders' Equity (Deficit) and Comprehensive Income
for the Years Ended December 31, 1999, 1998 and 1997

Statements of Cash Flows for the Years Ended December 31, 1999, 1998
and 1997

Notes to Financial Statements

2. FINANCIAL STATEMENT SCHEDULES:

Report of Independent Accountants on Financial Statement Schedule

Schedule II - Valuation & Qualifying Accounts

All other schedules are omitted because they are not applicable or the
required information is shown in the financial statements or notes
thereto.

(b) REPORTS ON FORM 8-K

The Company did not file any Current Reports on Form 8-K during the
quarter ended December 31, 1999.

(c) EXHIBITS:








EXHIBIT
NUMBER DESCRIPTION
------ -----------

3.1(2) Fourth Amended and Restated Certificate of
Incorporation of the Company

3.2(2) By-laws of the Company

4.1(2) Specimen Common Stock Certificate

10.1(2) Form of Indemnity Agreement for directors and
executive officers

10.2(2) 1997 Stock Option Plan, as amended, and forms of
Incentive Stock Option Agreement and Nonstatutory
Stock Option Agreement thereunder

10.3(2) 1999 Stock Option Plan, as amended, terms of Stock
Option Agreement and form of Stock Option Grant
Agreement thereunder

10.4(2) 1999 Employee Stock Purchase Plan and form of
subscription agreement thereunder

10.5(2) Sublease, dated October 7, 1998 between Jaycor, Inc.
and JNI Corporation

10.6(2) First Amendment to Sublease, dated December 1, 1998
between Jaycor, Inc. and JNI Corporation

10.7(2) Second Amendment to Sublease, dated April 1, 1999
between Jaycor, Inc. and JNI Corporation

10.8(2) Third Amendment to Sublease, dated May 15, 1999
between Jaycor, Inc. and JNI Corporation

10.9(2) Fourth Amendment to Sublease, dated August 1, 1999
between Jaycor, Inc. and JNI Corporation

10.10(2) Sublease, dated January 14, 1999 between Obsidian,
Inc. and JNI Corporation

10.11(2) Form of Severance and Change of Control Agreement,
dated September 1, 1999, entered into by JNI
Corporation and each of Terry M. Flanagan, Thomas K.
Gregory, Charles McKnett and Gloria Purdy

10.12(2) Tax Sharing Agreement, dated September 1, 1999
between JNI Corporation and Jaymark, Inc.

27.1(1) Financial Data Schedule



-------------------------

(1) Filed herewith.

(2) Incorporated by reference to the Registration Statement on Form
S-1 filed by JNI Corporation (File No.33386501).

+ Confidential treatment has been granted with respect to portions of
this exhibit.





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.

JNI CORPORATION

March 28, 2000


By: /s/ TERRY M. FLANAGAN
--------------------------------------
Terry M. Flanagan,
PRESIDENT, CHIEF EXECUTIVE OFFICER AND
DIRECTOR

Pursuant to the requirements of the Securities Exchange Act of 1934,
this report has been signed below by the following persons on behalf of the
registrant in the capacities and on the dates indicated.




SIGNATURE TITLE DATE
- --------- ----- ----


/s/ TERRY M. FLANAGAN President, Chief Executive Officer and Director March 28, 2000
- ------------------------------------- (Principal Executive Officer)
Terry M. Flanagan


/s/ GLORIA PURDY Chief Financial Officer March 28, 2000
- ------------------------------------- (Principal Financial and Accounting Officer)
Gloria Purdy


/s/ ERIC P. WENAAS Chairman of the Board of Directors March 28, 2000
- -------------------------------------
Eric P. Wenaas


/s/ THOMAS J. BERNARD Director March 28, 2000
- -------------------------------------
Thomas J. Bernard


/s/ JOHN BOLGER Director March 28, 2000
- -------------------------------------
John Bolger


/s/ LAWRENCE E. FOX Director March 28, 2000
- -------------------------------------
Lawrence E. Fox









JNI CORPORATION

INDEX TO FINANCIAL STATEMENTS




PAGE

Report of Independent Accountants................................................................ F-2
Balance Sheets as of December 31, 1999 and 1998.................................................. F-3
Statements of Operations for the Years Ended December 31, 1999, 1998 and 1997.................... F-4
Statements of Stockholders' Equity (Deficit) and Comprehensive Income for the Years Ended
December 31, 1999, 1998 and 1997............................................................ F-5
Statements of Cash Flows for the Years Ended December 31, 1999, 1998 and 1997.................... F-6
Notes to Financial Statements.................................................................... F-7




F-1


JNI CORPORATION

REPORT OF INDEPENDENT ACCOUNTANTS

To the Board of Directors and Stockholders of JNI Corporation

In our opinion, the accompanying balance sheets and the related statements of
operations, of stockholders' equity (deficit) and comprehensive income and of
cash flows present fairly, in all material respects, the financial position of
JNI Corporation at December 31, 1999 and 1998, and the results of its operations
and its cash flows for each of the three years in the period ended December 31,
1999 in conformity with accounting principles generally accepted in the United
States. 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 of these statements in
accordance with auditing standards generally accepted in the United States,
which 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, assessing the accounting principles
used and significant estimates made by management, and evaluating the overall
financial statement presentation. We believe that our audits provide a
reasonable basis for the opinion expressed above.




PRICEWATERHOUSECOOPERS LLP

San Diego, California
January 26, 2000



F-2



JNI CORPORATION

BALANCE SHEETS
(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)

ASSETS




AS OF DECEMBER 31,
------------------
1999 1998

Current assets:
Cash and cash equivalents .......................................................... $ 5,062 $ --
Marketable securities available for sale ........................................... 39,767 --
Accounts receivable, net ........................................................... 6,305 3,300
Inventories ........................................................................ 4,046 1,175
Other current assets ............................................................... 711 236
Deferred income taxes .............................................................. 946 --
----------- -----------
Total current assets ....................................................... 56,837 4,711
Property and equipment, net .......................................................... 4,632 2,466
Intangible assets, net ............................................................... 10,047 633
Deferred income taxes ................................................................ 1,309 --
Other assets ......................................................................... -- 4
----------- -----------
$ 72,825 $ 7,814
=========== ===========


LIABILITIES AND STOCKHOLDERS' EQUITY

Current liabilities:
Accounts payable ................................................................... $ 4,124 $ 2,541
Accrued liabilities ................................................................ 3,367 939
Due to affiliate ................................................................... -- 3,061
----------- -----------
Total current liabilities .................................................. 7,491 6,541
Other liabilities .................................................................. 112 100
----------- -----------
Total liabilities ......................................................... 7,603 6,641
----------- -----------
Commitments (Note 9)

Stockholders' equity:
Preferred stock, undesignated series, 5,000,000 shares authorized;
none issued ..................................................................... -- --
Convertible Preferred Stock, Series A, par value $.001 per share;
aggregate liquidation value $8,355 at December 31, 1998; 30,000,000
shares authorized; 0 and 17,722,895 shares issued and outstanding ............... -- 18
Common stock, par value $.001 per share; 100,000,000 shares authorized;
21,838,679 and 420,000 shares issued and
outstanding .................................................................... 22 --
Additional paid-in capital ......................................................... 67,078 5,427
Unearned stock-based compensation .................................................. (1,311) (970)
Accumulated other comprehensive income (loss) ...................................... (23) --
Accumulated deficit ................................................................ (544) (3,302)
----------- -----------
Total stockholders' equity ................................................. 65,222 1,173
----------- -----------
$ 72,825 $ 7,814
=========== ===========




See accompanying notes to financial statements.


F-3



JNI CORPORATION

STATEMENTS OF OPERATIONS
(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)




YEAR ENDED DECEMBER 31,
--------------------------------------------
1999 1998 1997

Net revenues .................................................... $ 40,171 $ 12,189 $ 2,903
Cost of revenues ................................................ 15,402 5,361 1,252
------------ ------------ ------------
Gross margin ............................................ 24,769 6,828 1,651
------------ ------------ ------------

Operating expenses:
Research and development ........................................ 11,951 2,919 1,202
Selling and marketing ........................................... 4,806 1,526 681
General and administrative ...................................... 3,476 1,698 822
Amortization of intangible assets ............................... 1,506 47 --
Amortization of stock-based compensation ........................ 842 35 --
------------ ------------ ------------
Total operating expenses ................................ 22,581 6,225 2,705
------------ ------------ ------------

Operating income (loss) ........................................... 2,188 603 (1,054)
Interest income ................................................... 352 -- --
Interest expense - affiliate ...................................... (455) (265) (130)
------------ ------------ ------------
Income (loss) before income taxes ................................. 2,085 338 (1,184)
Income tax provision (benefit) .................................... (673) 27 --
------------ ------------ ------------

Net income (loss) ....................................... $ 2,758 $ 311 $ (1,184)
============ ============ ============

Earnings (loss) per share:
Basic ........................................................... $ 0.64 $ 0.74 $ (2.82)
============ ============ ============
Diluted ......................................................... $ 0.12 $ 0.02 $ (2.82)
============ ============ ============


Number of shares used in per share computations:
Basic ........................................................... 4,285,000 420,000 420,000
Diluted ......................................................... 23,789,000 17,977,000 420,000




See accompanying notes to financial statements.


F-4



JNI CORPORATION

STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) AND COMPREHENSIVE INCOME
(IN THOUSANDS, EXCEPT SHARE DATA)




CONVERTIBLE
PREFERRED STOCK,
SERIES A COMMON STOCK ADDITIONAL UNEARNED PARENT
----------------- ----------------- PAID-IN STOCK-BASED CAPITAL
SHARES AMOUNT SHARES AMOUNT CAPITAL COMPENSATION CONTRIBUTION

BALANCE - DECEMBER 31, 1996.......... -- $ -- -- $ -- $ -- $ -- $ 2,791
Net parent advances.............. 82
Investment by parent............. 16,590,000 17 420,000 2,856 (2,873)
Net loss.........................
---------- ----- ---------- ----- ------- ------- --------
BALANCE - DECEMBER 31, 1997.......... 16,590,000 17 420,000 -- 2,856 -- --
Issuance of convertible
preferred stock.............. 1,132,895 1 1,566
Stock-based compensation......... 1,005 (970)
Net income.......................
---------- ----- ---------- ----- ------- ------- --------
BALANCE - DECEMBER 31, 1998......... 17,722,895 18 420,000 -- 5,427 (970) --

Issuance of warrants............. 10,920
Stock-based compensation......... 1,183 (341)
Issuance of common stock in IPO,
net of issuance costs........ 2,800,000 3 48,049

Conversion of convertible
preferred stock into common
stock........................(17,722,895) (18) 17,722,895 18
Common stock options exercised... 895,784 1 151
Unrealized gain (loss) on
marketable securities........
Tax benefit from stock option
transactions................. 490
Tax benefit from technology
transfer from parent......... 858
Net income.......................
---------- ----- ---------- ----- ------- ------- --------
BALANCE - DECEMBER 31, 1999.......... - $ - 21,838,679 $ 22 $67,078 $(1,311) $ --
========== ===== ========== ===== ======= ======= ========







ACCUMULATED TOTAL
OTHER STOCKHOLDERS'
COMPREHENSIVE ACCUMULATED EQUITY COMPREHENSIVE
INCOME (LOSS) DEFICIT (DEFICIT) INCOME

BALANCE - DECEMBER 31, 1996.......... $ -- $(2,429) $ 362
Net parent advances.............. 82
Investment by parent............. --
Net loss......................... (1,184) (1,184) $ (1,184)
------ ------- --------- ---------
BALANCE - DECEMBER 31, 1997.......... -- (3,613) (740) (1,184)
Issuance of convertible
preferred stock.............. 1,567
Stock-based compensation......... 35
Net income....................... 311 311 311
------ ------- --------- ---------
BALANCE - DECEMBER 31, 1998......... -- (3,302) 1,173 311
=========
Issuance of warrants............. 10,920
Stock-based compensation......... 842
Issuance of common stock in IPO
net of issuance costs........ 48,052

Conversion of convertible
preferred stock into common
stock........................ -
Common stock options exercised... 152
Unrealized gain (loss) on
marketable securities........ (23) (23) (23)
Tax benefit from stock option
transactions................. 490
Tax benefit from technology
transfer from parent......... 858
Net income....................... 2,758 2,758 2,758
------ ------- --------- ---------
BALANCE - DECEMBER 31, 1999.......... $ (23) $ (544) $ 65,222 $ 2,735
===== ======= ========= =========



See accompanying notes to financial statements.


F-5



JNI CORPORATION


STATEMENTS OF CASH FLOWS
(IN THOUSANDS)




YEAR ENDED DECEMBER 31,
---------------------------------
1999 1998 1997

CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss) ....................................................... $ 2,758 $ 311 $ (1,184)
Adjustments to reconcile net income (loss) to net cash
provided by (used in)
operating activities:
Deferred income taxes ............................................... (1,293) -- --
Depreciation and amortization ....................................... 1,148 243 86
Amortization of intangible assets ................................... 1,506 47 --
Amortization of stock-based compensation ............................ 842 35 --
Accrued interest expense - affiliate ................................ (395) 265 130
Accrued receivable - affiliate ...................................... 159 -- --
Changes in assets and liabilities:
Accounts receivable, net ............................................ (3,005) (2,444) (769)
Inventories ......................................................... (2,871) (439) (511)
Other assets ........................................................ (471) (157) (41)
Accounts payable .................................................... 1,583 2,057 484
Accrued liabilities ................................................. 2,655 799 111
Other liabilities ................................................... 12 34 11
-------- -------- --------
Net cash provided by (used in) operating activities ....................... 2,628 751 (1,683)
-------- -------- --------
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of marketable securities available for sale ................... (49,790) -- --
Proceeds from sale of marketable securities available for sale .......... 10,000 -- --
Capital expenditures .................................................... (3,314) (1,597) (219)
-------- -------- --------
Net cash used in investing activities ..................................... (43,104) (1,597) (219)
-------- -------- --------
CASH FLOWS FROM FINANCING ACTIVITIES:
Net (payments to) advances from affiliate ............................... (2,666) 846 1,902
Net proceeds from issuance of common stock .............................. 48,204 -- --
-------- -------- --------
Net cash provided by financing activities ................................. 45,538 846 1,902
-------- -------- --------
Net change in cash ........................................................ 5,062 -- --
Cash, beginning of period ................................................. -- -- --
-------- -------- --------
Cash, end of period ....................................................... $ 5,062 $ -- $ --
======== ======== ========

SUPPLEMENTAL NON-CASH INVESTING AND FINANCING ACTIVITIES:
Purchase of property and equipment and intangible assets in
exchange for convertible preferred stock and warrants to purchase
convertible preferred stock ........................................... $ 10,920 $ 1,567 $ --




See accompanying notes to financial statements.



F-6



JNI CORPORATION

NOTES TO FINANCIAL STATEMENTS
(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)

NOTE 1 -- THE COMPANY AND ITS SIGNIFICANT ACCOUNTING POLICIES

THE COMPANY

JNI Corporation ("JNI" or the "Company") commenced operations in 1993
as a division of Jaycor, Inc. ("Jaycor"). In February 1997, Jaycor effected a
corporate reorganization in which it formed two new corporations: Jaymark, Inc.
("Jaymark") and the Company. Jaymark became the parent of Jaycor and of the
Company in that reorganization transaction. Jaycor then transferred technology
and assets relating to its fibre channel division to Jaymark, which in turn
contributed these to the Company in exchange for shares of the Company's common
and preferred stock, which automatically converted into common stock upon the
closing of the Company's initial public offering. The Company continues to be a
majority-owned subsidiary of Jaymark.

The Company is a leading designer and supplier of fibre channel
hardware and software products that connect servers and data storage devices to
form storage area networks. Storage area networks were made possible by the
emergence of fibre channel technology, a new generation of server to storage
communications technology that improves data communication speeds, connectivity,
distance between connections, reliability and access. The Company operates in
one business segment.

BASIS OF PRESENTATION

The accompanying financial statements reflect the financial position,
results of operations, changes in stockholders' equity and cash flows as if the
Company was a separate entity for all periods presented. The financial
statements have been prepared using the historical basis in the assets and
liabilities and historical results of operations related to the Company's
business. When the Company was a division of Jaycor, the cash used by the
Company was funded by Jaycor. Subsequent to incorporation, the Company's cash
receipts and disbursements continued to be processed by Jaycor until the Company
completed its initial public offering (Note 5). The net balance of the Company's
accounts with Jaycor is included in Due to Affiliate, which was paid in full as
of December 31, 1999. Subsequent to its initial public offering, the Company
commenced processing its cash receipts and disbursements.

General corporate overhead related to Jaymark's corporate headquarters
and common support divisions have been allocated to the Company generally based
on the proportion of the Company's total labor costs to the total of all of
Jaymark's subsidiaries' total labor costs. Allocated charges included in
operating expenses totaled $1,086, $509 and $336 for the years ended December
31, 1999, 1998 and 1997, respectively. Management believes these allocations
fairly and reasonably approximate costs incurred by Jaymark on behalf of the
Company's operations. However, the costs allocated to the Company are not
necessarily indicative of the costs that would have been incurred if the Company
had performed these functions as a stand-alone entity. Since the Company was
operated as a combined unit, management is unable to differentiate between the
amounts allocated and the amounts that would have been incurred on a stand-alone
basis. Subsequent to the Company's initial public offering, the Company
commenced performing necessary functions using its own resources or purchased
services and will be responsible for the costs and expenses associated with the
management of a separate independent company.

USE OF ESTIMATES

The preparation of financial statements in conformity with generally
accepted accounting principles requires management to make estimates and
assumptions that affect the reported amounts of assets and


F-7



JNI CORPORATION

NOTES TO FINANCIAL STATEMENTS
(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)


liabilities and disclosure of contingent assets and liabilities at the date of
the financial statements and the reported amounts of revenues and expenses
during the reporting period. Actual results could differ from those estimates.

CASH AND CASH EQUIVALENTS

The Company considers cash equivalents to be only those investments
which are highly liquid, readily convertible to cash and which mature within
three months from the date of purchase.

MARKETABLE SECURITIES

The Company's marketable securities consist principally of government
or government agency securities and corporate notes and bonds. The Company has
classified its marketable securities as "available for sale" and carries them at
fair value with net unrealized holding gains and losses reported in accumulated
other comprehensive income (loss).

INVENTORIES

Inventories are stated at the lower of cost (first-in, first-out
method) or market. Provisions, when necessary, are made to reduce excess and
obsolete inventories to their estimated net realizable values.

PROPERTY AND EQUIPMENT

Property and equipment are stated at cost and are depreciated over
their estimated useful lives, using the straight-line method. Useful lives range
from three to seven years for equipment and furniture and the shorter of the
useful lives or the terms of the leases (one to five years) for leasehold
improvements. Additions to property and equipment together with major renewals
and betterments are capitalized. Maintenance, repairs and minor renewals and
betterments are charged to expense as incurred.

LONG-LIVED ASSETS

The Company evaluates the carrying value of its long-lived assets when
events or changes in circumstances indicate that an asset's carrying value may
not be recoverable. An impairment loss is recognized when the sum of the
expected future undiscounted net cash flows is less than the carrying value of
the asset. An impairment loss would be measured by comparing the amount by which
the carrying value exceeds the fair value of the asset being evaluated for
impairment. No such losses have been identified by the Company.

INTANGIBLE ASSETS

Intangible assets represent certain products and technology purchased
in November 1998 (Note 2) and are being amortized over their estimated useful
lives of three years using the straight-line method. Accumulated amortization
totaled $1,535 and $47 at December 31, 1999 and 1998, respectively.

FAIR VALUE OF FINANCIAL INSTRUMENTS

The carrying value of cash and cash equivalents and accrued liabilities
approximates fair value due to the nature of their short-term maturities. The
carrying value of the Company's payable to affiliate


F-8



JNI CORPORATION

NOTES TO FINANCIAL STATEMENTS
(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)


approximated fair value as the rate of interest for this instrument approximated
market rates of interest available to the Company for a similar instrument.

REVENUE RECOGNITION

Revenue from product sales to customers are recognized upon shipment.
Allowances for estimated sales returns are provided at the time revenue is
recognized. The Company sells products to its distribution channel customers
under volume purchase agreements. Certain of its agreements with distribution
channel customers provide for stock rotation, where the customer may return
product provided that it places a new order for replacement products. The
Company reserves for estimated stock rotation and uncollectable accounts based
on past history and expected future returns related to products shipped.

The Company's current practice is generally to warrant its adapter
products against defects in materials and workmanship for a three-year period
from the date of shipment and its Application Specific Integrated Circuits
("ASICs") products for a one-year period from the date of shipment. The
estimated cost of warranty obligations is accrued at the time revenue is
recognized.

RESEARCH AND DEVELOPMENT COSTS

The Company is involved in a large and continuing research and
development effort that includes the continual development of new products and
the improvement of existing products. All research and development costs are
expensed as incurred.

The Company capitalizes eligible computer software development costs
upon the establishment of technological feasibility, which is defined as
completion of designing, coding and testing activities. The amount of costs
eligible for capitalization, after consideration of factors such as net
realizable value, have not historically been material and, accordingly, all
software development costs have been charged to research and development expense
as incurred in the accompanying statements of operations.

INCOME TAXES

Until the consummation of the initial public offering, the Company was
a member of the Jaymark affiliated group of corporations which files a
consolidated federal income tax return and certain combined and consolidated
state income tax returns. Beginning October 27, 1999, the Company files its own
federal and state income tax returns. Income taxes are calculated as if the
Company had filed separate tax returns for federal and state purposes for all
periods presented. In connection with the separation from the Jaymark
consolidated tax group, the Company realized a deferred tax asset related to the
transfer of certain technology from Jaymark and accounted for this as additional
paid-in capital.

Current income tax expense is the amount of income taxes expected to be
payable for the current year. A deferred tax asset and/or liability is computed
for both the expected future impact of differences between the financial
statement and tax bases of assets and liabilities and for the expected future
tax benefit to be derived from tax loss and tax credit carryforwards. Valuation
allowances are established when necessary to reduce deferred tax assets to the
amount expected to be "more likely than not" realized in future tax returns. Tax
rate changes are reflected in income in the period such changes are enacted.


F-9



JNI CORPORATION

NOTES TO FINANCIAL STATEMENTS
(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)


STOCK-BASED COMPENSATION

The Company measures compensation costs related to stock option plans
using the intrinsic value method and provides pro forma disclosures of net
income (loss) and earnings (loss) per common share as if the fair value based
method had been applied in measuring compensation costs. Accordingly,
compensation cost for stock options is measured as the excess, if any, of the
deemed fair value of the Company's common stock at the date of grant over the
amount an employee must pay to acquire the stock and is amortized over the
vesting period, generally four years.

EARNINGS (LOSS) PER SHARE

Earnings (loss) per share is computed using the weighted average number
of shares of common stock outstanding and is presented for basic and diluted
earnings (loss) per share. Basic earnings (loss) per share is computed by
dividing income (loss) available to common stockholders by the weighted average
number of common shares outstanding for the period. Diluted earnings (loss) per
share is computed by dividing income (loss) available to common stockholders by
the weighted average number of common shares outstanding during the period
increased to include, if dilutive, the number of additional common shares that
would have been outstanding if the potential common shares had been issued. The
dilutive effect of outstanding stock options is reflected in diluted earnings
per share by application of the treasury stock method. The Company has excluded
all convertible preferred stock and outstanding stock options from the
calculation of diluted loss per share for the year ended December 31, 1997
because all such securities are antidilutive for this period. The total number
of potential common shares excluded from the calculation of diluted loss per
common share for the year ended December 31, 1997 was 15,136,000.

The following table sets forth the computation of basic and diluted
earnings (loss) per share:




YEAR ENDED DECEMBER 31,
---------------------------------------
1999 1998 1997

Numerator:
Net income (loss) ............................................................ $ 2,758 $ 311 $ (1,184)
=========== =========== ===========
Denominator:
Denominator for basic earnings (loss) per share - weighted
average shares outstanding ................................................ 4,285,000 420,000 420,000
Effect of dilutive securities:
Dilutive warrants outstanding ............................................. 840,000 -- --
Dilutive options outstanding .............................................. 4,144,000 815,000 --
Employee stock purchase plan shares ....................................... 1,000 -- --
Convertible preferred stock ............................................... 14,519,000 16,742,000 --
---------- ---------- ------------
Denominator for diluted earnings (loss) per share - adjusted
weighted average shares ................................................... 23,789,000 17,977,000 420,000
Basic earnings (loss) per share ................................................ $ 0.64 $ 0.74 $ (2.82)
Diluted earnings (loss) per share .............................................. $ 0.12 $ 0.02 $ (2.82)



NEW ACCOUNTING PRONOUNCEMENTS

In June 1998, Statement of Financial Accounting Standards No. 133,
"Accounting for Derivative Instruments and Hedging Activities" ("SFAS 133") was
issued. This statement will be effective for the Company on January 1, 2001.
SFAS 133 requires certain accounting and reporting standards for derivative
financial instruments and hedging activities. Under SFAS 133, all derivatives
must be recognized as assets and liabilities and measured at fair value. The
Company has not determined the impact of the adoption of this new accounting
standard on its financial statements or results of operations.


F-10



JNI CORPORATION

NOTES TO FINANCIAL STATEMENTS
(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)


In December 1999, the Securities and Exchange Commission issued Staff
Accounting Bulletin (SAB) No. 101, "Revenue Recognition in Financial
Statements." The objective of this SAB is to provide further guidance on revenue
recognition issues in the absence of authoritative literature addressing a
specific arrangement or a specific industry. The guidance in the SAB is required
to be followed no later than the first fiscal quarter of the fiscal year
beginning after December 15, 1999. The adoption of the SAB is not expected to
have a material impact on the Company's financial position or results of
operations, but may impact the timing and pattern of revenue recognition in the
future.

NOTE 2 -- ACQUISITION

In November 1998, the Company purchased certain fibre channel
technology, products and property and equipment from Adaptec, Inc. ("Adaptec").
As consideration for the purchase, the Company issued to Adaptec 1,132,895
shares of the Company's Series A Convertible Preferred Stock with a fair value,
as determined for financial reporting purposes, of approximately $1.383 per
share for an aggregate purchase price of approximately $1,567. The Company also
issued three series of warrants to purchase shares of the Company's Series A
Convertible Preferred Stock as additional consideration to Adaptec.

On September 30, 1999, the Company and Adaptec amended the first of the
Series A warrants to fix the number of shares issuable thereunder at 840,000. No
shares were issuable under the second and third warrants as a result of the
actual revenues earned by the Company on sales of products based on the acquired
technology during the period from February 1, 1999 to the date of the Company's
initial public offering. As a result of the issuance of the 840,000 warrants,
additional purchase price consideration of $10,920 was recorded on September 30,
1999. This additional purchase price was allocated to intangible assets and is
being amortized over the remaining useful life of approximately two years.

The 1,132,895 shares of the Company's Series A Convertible Preferred
Stock converted to common stock as of the date of the Company's initial public
offering. As of December 31, 1999, the 840,000 warrants, which expire in
November 2005 and are immediately exercisable at an aggregate purchase price of
one hundred dollars, have not been exercised by Adaptec.

NOTE 3 -- COMPOSITION OF CERTAIN FINANCIAL STATEMENT CAPTIONS




AS OF DECEMBER 31,
---------------------
1999 1998

Accounts receivable:
Accounts receivable........................ $ 6,800 $ 3,433
Less allowance for doubtful accounts and sale
returns.................................. (495) (133)
-------- --------
Total......................... $ 6,305 $ 3,300
======== ========






AS OF DECEMBER 31,
---------------------
1999 1998

Inventories:
Raw materials.............................. $ 3,027 $ 645
Work in process............................ 299 426
Finished goods............................. 720 104
-------- --------
Total......................... $ 4,046 $ 1,175
======== ========




F-11



JNI CORPORATION

NOTES TO FINANCIAL STATEMENTS
(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)





AS OF DECEMBER 31,
---------------------
1999 1998

Property and equipment, net:
Computer and test equipment................... $ 4,755 $ 2,763
Leasehold improvements........................ 110 10
Office furniture and other equipment.......... 1,286 64
-------- --------
6,151 2,837
Less accumulated depreciation and amortization.. (1,519) (371)
-------- --------
Total............................. $ 4,632 $ 2,466
======== ========






AS OF DECEMBER 31,
---------------------
1999 1998

Accrued liabilities:
Payroll and payroll related costs............. $ 2,251 $ 836
Other......................................... 1,116 103
-------- -------
$ 3,367 $ 939
======== =======



NOTE 4 -- MARKETABLE SECURITIEs

At December 31, 1999, the amortized cost and estimated fair value of marketable
securities available for sale were as follows:




AMORTIZED UNREALIZED UNREALIZED FAIR
COST GAINS LOSSES VALUE
--------- ---------- ---------- -------

U.S. government and agency debt....... $ 2,317 $ - $ (5) $ 2,312
State, municipal, and county government
debt................................ 30,584 (18) 30,566
Corporate debt........................ 6,889 - - 6,889
-------- -------- ---- --------
$ 39,790 $ - $(23) $ 39,767
======== ======== ==== ========



The cost of securities sold is based on the specific identification method. No
gains or losses were realized on the sale of available for sale securities
during the year ended December 31, 1999.

NOTE 5 -- STOCKHOLDERS' EQUITY

During October 1999, the Company completed its initial public offering
for the sale of 5,635,000 shares of common stock (of which 2,800,000 shares were
sold by the Company and 2,835,000 were sold by the Company's principal
stockholder, Jaymark) at a price to the public of $19.00 per share, which
resulted in net proceeds to the Company of $49,476 after the payment of
underwriters' commission but before the deduction of offering expenses. Upon the
closing of the Company's initial public offering, all the outstanding Series A
Convertible Preferred Stock was automatically converted into 17,722,895 shares
of common stock.

The Board of Directors of the Company (the "Board") is authorized to
issue up to 5,000,000 shares of preferred stock or other senior securities and
determine the series and number of preferred shares to be issued and any related
designations, powers, preferences, rights, qualifications, limitations or
restrictions.

NOTE 6 -- BENEFIT PLANS

The Company's employees are covered by Jaymark's 401(k) salary deferral
plan (the "401(k) Plan"), which covers substantially all employees of the
Company. Jaymark modified the 401(k) Plan, effective July 1, 1998, to allow for
a Company matching contribution (the "Match") and, effective July 1, 1999, to
allow eligible new employees to enroll on the first day of the month following
their hire date. The Match is 100% of



F-12



JNI CORPORATION

NOTES TO FINANCIAL STATEMENTS
(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)


the employee's first five percentage points of salary contributed; employees
vest 20% per year on the second through sixth anniversaries of their hire date.
During the years ended December 31, 1999 and 1998, the charge to operations for
the Match was $256 and $39, respectively. Effective February 1, 2000, the
Company established the JNI Corporation 401 (k) Plan.

The Company offers deferred compensation arrangements to certain of its
employees. The agreements allow the employees to defer up to 100% of their
salaries, net of certain payroll withholdings, with interest accruing thereon at
specified rates, currently at 9%. Distributions commence upon retirement or
termination and continue for a period as prescribed in the respective
agreements.

During February 1997, the Company adopted an option plan (the "1997
Plan") which provides for the issuance of 4,396,441 shares of the Company's
common stock. The 1997 Plan provides for the grant to employees and directors of
the Company of incentive stock options and non-qualified stock options to
purchase shares of the Company's common stock. Options granted under the 1997
Plan became exercisable upon the Company's initial public offering and have a
ten year term from the date of grant. The exercise price of all options granted
under the 1997 Plan are not less than the fair market value of the Company's
common stock as determined by the Board on the date of grant. Options granted
under the 1997 Plan generally vest over a four-year period, although such
vesting is accelerated to three years in the event of certain transactions
resulting in a transfer of control of the Company. At December 31, 1999, there
were 50,750 shares of the Company's common stock available for future grant
under the 1997 Plan.

In April 1999, the Company adopted a second option plan (the "1999
Plan"), as amended, which provides for the issuance of up to 2,312,800 shares of
the Company's common stock. The 1999 Plan provides for the grant to employees,
consultants and directors of the Company of incentive stock options and
non-qualified stock options to purchase shares of the Company's common stock.
Options granted under the 1999 Plan shall be exercisable at such time or upon
such event and subject to the terms, conditions and restrictions as determined
by the Board provided, however, that no option shall be exercisable after ten
years from the date of grant. The exercise price of all incentive stock options
granted under the 1999 Plan are not less than the fair market value of the
Company's common stock as determined by the Board on the date of grant. Options
granted under the 1999 Plan generally vest over a four-year period. At December
31, 1999, there were 1,194,600 shares of the Company's common stock available
for future grant under the 1999 Plan.

A summary of the Company's stock option plans as of December 31, 1999,
1998 and 1997 and changes during the periods is as follows:




YEAR ENDED DECEMBER 31,
----------------------------------------------------------------------------------
1999 1998 1997
WEIGHTED WEIGHTED WEIGHTED
OPTIONS AVERAGE OPTIONS AVERAGE OPTIONS AVERAGE
EXERCISE EXERCISE PRICE EXERCISE
PRICE PRICE

Outstanding at beginning of
period..................... 4,038,741 $ 0.17 3,759,840 $ 0.17 - $ -
Granted.................... 1,478,700 9.39 808,500 0.17 3,759,840 0.17
Exercised.................. (895,784) 0.17 - - - -
Cancelled.................. (53,550) 0.65 (529,599) 0.17 - -
---------- ---------- ----------
Outstanding at end of period. 4,568,107 $ 3.15 4,038,741 $ 0.17 3,759,840 $ 0.17
========== ========== ==========
Vested at end of period...... 206,716 375,984 -
Exercisable at end of period. 206,716 - -
Weighted average fair value per
option of options granted
during the period......... $ 5.42 $ 1.34 $ 0.07




F-13



JNI CORPORATION

NOTES TO FINANCIAL STATEMENTS
(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)


The following table summarizes information regarding employee stock options
outstanding at December 31, 1999 and 1998:




OPTIONS OUTSTANDING OPTIONS EXERCISABLE
------------------------ ----------------------
WEIGHTED
AVERAGE WEIGHTED WEIGHTED
REMAINING AVERAGE AVERAGE
NUMBER CONTRACTUAL EXERCISE NUMBER EXERCISE
EXERCISE PRICES OUTSTANDING LIFE (YEARS) PRICE EXERCISABLE PRICE

December 31, 1999:
$0.17.............. 3,323,907 7.85 $ 0.17 202,516 $ 0.17
$0.71.............. 126,000 9.19 0.71 - -
$10.00 - $13.00.... 928,900 9.59 10.94 4,200 10.71
$16.00 - $19.00.... 184,300 9.82 17.04 - -
$69.00 - $92.00.... 5,000 9.88 84.00 - -
--------- ----- ------ ------- ------
$0.17 - $92.00..... 4,568,107 8.33 $ 3.15 206,716 $ 0.38



Stock-based compensation is recognized using the intrinsic value
method. In connection with the grant of stock options to employees, the Company
recorded unearned stock-based compensation within stockholders' equity of $1,183
and $1,005 during the years ended December 31, 1999 and 1998, respectively,
representing the difference between the estimated fair value of the common stock
determined for financial reporting purposes and the exercise price of these
options at the date of grant. Amortization of unearned stock-based compensation,
net of any charges reversed during the period for the forfeiture of unvested
options, was $842 and $35 for the years ended December 31, 1999 and 1998,
respectively.

At December 31, 1999, the remaining unearned stock-based compensation
of approximately $1,311 will be amortized as follows: $646 in 2000, $433 in
2001, $219 in 2002 and $13 in 2003. The amount of stock-based compensation
expense to be recorded in future periods could decrease if options for which
accrued but unvested compensation has been recorded are forfeited.

During October 1999, the Company adopted the 1999 Employee Stock
Purchase Plan (the "Purchase Plan"). A total of 175,000 shares of the Company's
common stock have been reserved for issuance under the Purchase Plan, none of
which have been issued. The number of shares reserved for issuance under the
Purchase Plan will be subject to an annual increase on January 1 of each year
beginning in 2001 equal to the lesser of (a) 87,500 shares, (b) 1.0% of the
outstanding shares on such date or (c) a lesser amount as determined by the
Board. The Purchase Plan permits eligible employees to purchase shares of common
stock at a fifteen percent (15%) discount through payroll deductions during
sequential 24-month offering periods. Each such offering period is divided into
four consecutive six-month purchase periods. Unless the Board establishes a
higher price, the price at which shares are purchased under the Purchase Plan
for such offering period is equal to 85% of the lesser of the fair market value
of the common stock on the first day of such offering period or the last day of
the applicable purchase period within such offering period.

Had compensation cost for the Company's stock-based compensation plans
been determined based on the fair value at the grant dates for awards under
those plans, the Company's net income (loss) and diluted earnings (loss) per
common share would have been as follows:


F-14



JNI CORPORATION

NOTES TO FINANCIAL STATEMENTS
(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)





YEAR ENDED DECEMBER 31,
-------------------------------
1999 1998 1997

Net income (loss):
As reported..................... $ 2,758 $ 311 $ (1,184)
Pro forma....................... 1,532 231 (1,242)
Diluted earnings (loss) per
common share:
As reported..................... $ 0.12 $ 0.02 $ (2.82)
Pro forma....................... 0.06 0.01 (2.96)






YEAR ENDED DECEMBER 31,
--------------------------------
1999 1998 1997

Weighted average grant-date fair value of
options granted:
Exercise price equal to estimated fair
value of stock on the grant date:
Aggregate value................. $ 6,581 $ 12 $ 275
Per share value................. 5.89 0.07 0.07
Exercise price less than the estimated
fair value of stock on the grant
date:
Aggregate value................. $ 1,433 $1,068 -
Per share value................. 3.97 1.67 -



The fair value of each option grant was estimated as of the date of
grant using the Black-Scholes option pricing model with the following
weighted-average assumptions used for grants during the years ended December 31,
1999, 1998 and 1997: no dividend yield; risk-free interest rate of 5.56%, 4.83%
and 6.00% and expected terms of 7.4 years, 9.9 years and 9.9 years,
respectively. The volatility of the Company's common stock underlying the
options was 95% during the year ended December 31, 1999. The volatility of the
Company's common stock was not considered during the years ended December 31,
1998 and 1997 because the Company's equity was not publicly-traded as of
December 31, 1998 and 1997. The fair value of the employees' purchase rights
pursuant to the Purchase Plan was estimated using the Black-Scholes model with
the following assumptions for the year ended December 31, 1999: no dividend
yield; risk-free interest rate of 5.08%; expected term of 6 months and expected
volatility of 95%. The weighted average fair value of those purchase rights
granted in 1999 was $8.00.

NOTE 7 -- INCOME TAXES

The components of the income tax provision (benefit) are as follows:




YEAR ENDED DECEMBER 31,
-----------------------
1999 1998

CURRENT:
Federal................ $ 619 $ 22
State.................. 1 5
------- -------
620 27
DEFERRED:
Federal................ (1,008) -
State.................. (285) -
------- -------
$(1,293) $ -
------- -------
$ (673) $ 27
======== =======




F-15



JNI CORPORATION

NOTES TO FINANCIAL STATEMENTS
(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)


The provision for 1998 relates to the federal and state alternative
minimum tax. Due to the Company's net loss position for the year ended December
31, 1997, there was no provision for income taxes recorded.

The following is a reconciliation of the statutory federal income tax
rate to the Company's effective tax rate:




YEAR ENDED DECEMBER 31,
-----------------------------
1999 1998 1997

Tax provision (benefit) at statutory
rate.................................. (34)% 34% 34%
State tax, net of federal tax benefit... 8 7 (3)
Research and development credits........ (21) (21) (4)
Stock-based compensation................ 14 4 -
Permanent differences, net.............. - 3 1
Utilization of net operating loss
carryforwards......................... (45) (115) -
Net change in valuation allowance..... (22) 96 40
--- ---- --
(32)% 8% -%
=== ==== ==



The components of the Company's net deferred tax assets (liabilities) are
as follows:




DECEMBER 31,
----------------------
1999 1998

Deferred tax assets:
Net operating loss carryforwards... $ - $ 1,006
Research and development credit
carryforwards.................... 172 172
Allowances and reserves............ 496 120
Accrued payroll and payroll
related costs.................... 246 163
Intangible assets.................. 1,309 6
Other ............................. 32 27
-------- --------
Total deferred tax assets.... $ 2,255 $ 1,494
Deferred tax liabilities:
Other.............................. $ - $ (97)
-------- --------
Net deferred tax asset........ 2,255 1,397
Less valuation allowance...... - (1,397)
-------- --------
$ 2,255 $ -
======== ========



At December 31, 1998, the Company recorded a valuation allowance for the
entire amount of the net deferred tax asset due to the uncertainty surrounding
the ultimate realization of such asset at that time. At December 31, 1999, there
was no valuation allowance recorded against the net deferred tax asset as
management determined at that time that it was more likely than not that the net
deferred tax asset will be realized based on historical and anticipated future
pre-tax results of operations of the Company.

As of December 31, 1999, the Company had federal and state research and
development tax credit carryforwards of approximately $97 and $75, respectively.
The credit carryforwards will expire in 2019, if not utilized to offset future
taxable income of the Company.

NOTE 8--TRANSACTIONS WITH AFFILIATES

DUE TO AFFILIATE

On February 1, 1997, the Company entered into a revolving loan
agreement with Jaycor whereby Jaycor and the Company agreed to consent to borrow
and/or lend sums to each other as may be needed from time to time in the
ordinary course of business. Under the terms of the agreement, the advances bore
interest



F-16



JNI CORPORATION

NOTES TO FINANCIAL STATEMENTS
(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)


at a floating rate equal to Jaycor's incremental cost of borrowing (13.3% and
12.1% at December 31, 1999 and 1998, respectively). During the years ended
December 31, 1999, 1998 and 1997, the Company incurred interest expense on
advances from Jaycor of $455, $265 and $130, respectively. Subsequent to the
Company's initial public offering, the outstanding balance to Jaycor was paid in
full.

BUILDING SUBLEASE

In October 1998, the Company and Jaycor entered into a sublease
agreement, as amended, whereby the Company subleased a certain portion of
Jaycor's facilities for terms consistent with Jaycor's primary lease. The
sublease provides for a base monthly rent and is subject to an annual increase
based upon the Consumer Price Index (CPI) percentage with a minimum increase of
2.5% and a maximum increase of 5% annually. The term of the lease expires in
October 2004. In addition, the sublease requires the payment of a pro rata
portion of the monthly operating costs, taxes and utilities of the premises. As
of December 31, 1999, the Company's future annual minimum payments due to Jaycor
under this sublease were $838, $858, $858, $858 and $715 for the years ending
December 31, 2000, 2001, 2002, 2003 and 2004, respectively.

AGREEMENTS WITH ADAPTEC

In November 1998, the Company purchased certain fibre channel
technology, products and property and equipment from Adaptec (Note 2). In
connection with the asset acquisition, the Company entered into the following
agreements with Adaptec: a Fibre Channel Cross-License Agreement; a Chip
Manufacturing Agreement; a Board Manufacturing and Transition Agreement; a
Consulting Services Agreement; a Volume Purchase Agreement; and two Occupancy
License Agreements.

Pursuant to the Fibre Channel Cross-License Agreement, Adaptec granted
the Company four irrevocable, perpetual and non-exclusive licenses to certain of
Adaptec's fibre channel technology. Three of the licenses granted to the Company
under this agreement are fully paid and royalty-free and the fourth license
contains a twenty-five dollar per unit royalty fee. During the years ended
December 31, 1999 and 1998, the Company incurred royalty expense of $44 and $0,
respectively, pursuant to this agreement.

In addition and as part of the agreement, the Company granted Adaptec a
non-exclusive license to use and distribute any of the Company's error
corrections, updates and other future versions and releases of the licensed
fibre channel technology products. The license to Adaptec is royalty-free.

Pursuant to the Chip Manufacturing Agreement, Adaptec agreed to perform
manufacturing services with respect to fibre channel chip products for a
transition period not to exceed two years beginning in November 1998. The
agreement specified that Adaptec would manufacture and package the products
according to specifications at a price equal to Adaptec's standard cost plus 15
percent. Based on the Company's decision to manage the manufacturing and
assembly process for its fibre channel chip products, Adaptec ceased the
performance of manufacturing services under this agreement in December 1999.
During the years ended December 31, 1999 and 1998, the Company incurred costs of
$1,224 and $19, respectively, for the manufacture of these products by Adaptec.

Pursuant to the Board Manufacturing and Transition Agreement, Adaptec
agreed to perform manufacturing services with respect to fibre channel board
level products sold to the Company under the Asset Acquisition Agreement for a
transition period of six months beginning in November 1998. The agreement
specified that Adaptec would manufacture and package the board level products
according to specifications at a price equal to Adaptec's standard cost plus 15
percent. The Company purchased $421 and



F-17



JNI CORPORATION

NOTES TO FINANCIAL STATEMENTS
(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)


$0 of board level products from Adaptec during the years ended December 31, 1999
and 1998, respectively, pursuant to this agreement.

Pursuant to the Consulting Services Agreement, Adaptec agreed to
perform consulting services to assist the Company in the development of the
technology assets purchased in exchange for an hourly fee which varied based on
the particular consultant engaged. This agreement had a term of the earlier of
one year from the date of the agreement or the completion of all services noted
in the agreement. Such services were completed in October 1999. During the years
ended December 31, 1999 and 1998, the Company incurred expenses of $408 and $0,
respectively, pursuant to this agreement.

Pursuant to the Volume Purchase Agreement, the Company agreed to sell
to Adaptec certain fibre channel products developed and manufactured by Adaptec
for the Company under the Chip Manufacturing Agreement and the Board
Manufacturing and Transition Agreement. Per the agreement, the prices charged to
Adaptec will not exceed: (1) the prices charged any of the Company's other
customers during the 90 day period preceding the price quote purchasing
"substantially similar" products or (2) 115% of the Company's actual
manufacturing cost or the price paid by the Company if manufactured by Adaptec.
Adaptec has the right to resell the products without restriction of any kind,
except that under certain conditions, Adaptec may not sell products
incorporating certain chip-level products.

The Volume Purchase Agreement expires in November 2000 and will
automatically renew for an additional one-year term unless either party notifies
the other of its intention to terminate the agreement within ninety days of the
expiration of the term. During the years ended December 31, 1999 and 1998, the
Company had no sales to Adaptec pursuant to this agreement.

Pursuant to two Occupancy License Agreements, Adaptec granted the
Company the right to occupy and use a portion of two of Adaptec's facilities
located in Irvine and Milpitas, California. The monthly rental fee for the
Irvine facility was $15. The monthly rental fee for the Milpitas facility was
$3. These rates were based on Adaptec's rental costs plus an increase in costs
for allocations of computer resources, telephone charges, supplies and other
nominal charges. The Irvine agreement had a term of four months and expired in
February 1999. The Milpitas agreement had a maximum term of twelve months;
however, the Company exercised its right to terminate the Milpitas agreement
pursuant to the agreement in February 1999 without penalty. Amounts incurred
under these agreements totaled $28 and $35 during the years ended December 31,
1999 and 1998, respectively.

Accounts payable to Adaptec totaled approximately $132 and $19 at
December 31, 1999 and 1998, respectively. There were no purchases from Adaptec
during the year ended December 31, 1997.

REGISTRATION RIGHTS AGREEMENTS

Pursuant to a Registration Rights Agreement dated as of September 1,
1999, the Company has granted registration rights to Jaymark for the shares of
the Company's stock held by Jaymark. If the Company proposes to register any of
the Company's securities under the Securities Act, either for its own account or
for the account of other security holders, holders of shares entitled to
registration rights are entitled to notice of such registration and are entitled
to include their shares in such registration, at the Company's expense. Jaymark
is also entitled to specified demand registration rights under which Jaymark may
require the Company to file a registration statement under the Securities Act at
the Company's expense with respect to the Company's shares of common stock, and
the Company is required to use its best efforts to effect this registration.
Further, Jaymark may require the Company to file additional registration
statements on Form



F-18



JNI CORPORATION

NOTES TO FINANCIAL STATEMENTS
(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)


S-3. All of these registration rights are subject to conditions and limitations,
among them the right of the underwriters of an offering to limit the number of
shares included in the registration and the Company's right not to effect a
requested registration within twelve months following the initial offering of
the Company's securities. All of these registration rights terminate after the
Company has effected two registration statements, or at the latest, four years
from the date of the Company's initial public offering.

Under an Investor's Rights Agreement dated as of November 12, 1998, Adaptec or
its permitted transferees have registration rights with respect to the 1,132,895
shares of the Company's common stock acquired in November 1998 and with respect
to 840,000 shares issuable upon exercise of the warrants described above. If the
Company proposes to register any of its securities under the Securities Act at
any time beginning two years after its initial public offering, either for the
Company's own account or for the account of other security holders, holders of
shares entitled to registration rights are entitled to notice of such
registration and are entitled to include their shares in such registration, at
the Company's expense. However, the underwriters of any such offering have the
right to limit the number of shares included in such registration. These
registration rights terminate after the Company has effected two registration
statements or, at the latest, four years from the date of the Company's initial
public offering.

NOTE 9 -- COMMITMENTS

The Company leases its operating facilities and certain office
equipment under noncancelable operating leases. The facility leases require the
payment of taxes, maintenance, utilities and insurance.

Future annual minimum lease payments due under noncancelable operating
leases consist of the following at December 31, 1999:




OPERATING
YEARS ENDING DECEMBER 31, LEASES
------

2000........................................... $ 984
2001........................................... 858
2002........................................... 858
2003........................................... 858
2004........................................... 715
---------
Total minimum lease payments........... $ 4,273



Rent expense under all operating leases for the years ended December 31,
1999, 1998 and 1997 was $1,002, $353 and $118, respectively. Rent expense
incurred from Jaycor (Note 8) was $558, $254 and $90 for the years ended
December 31, 1999, 1998 and 1997, respectively.

NOTE 10 -- CONCENTRATIONS OF RISK

The Company's products are concentrated in the storage area network
industry which is highly competitive and subject to rapid technological change.
The Company's revenues are concentrated with several major customers and certain
vital components of the Company's products are manufactured by a small number of
key suppliers. The loss of a major customer, the interruption of product supply
from a contract manufacturer, a change of suppliers or a significant
technological change in the industry could affect operating results adversely.

The Company sells its products to original equipment manufacturers,
distribution channel customers and directly to end users and extends credit
based on an evaluation of the customer's financial condition, generally without
requiring collateral. Exposure to losses on receivables is principally dependent


F-19



JNI CORPORATION

NOTES TO FINANCIAL STATEMENTS
(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)


on each customer's financial condition. The Company monitors its exposure for
credit losses and maintains allowances for anticipated losses.

Sales to customers outside of the United States accounted for 17%, 14%
and 14% of the Company's net revenues for the years ended December 31, 1999,
1998 and 1997, respectively. In relation to the Company's net revenues, 4%, 4%
and 14% were to customers located in Japan, 11%, 9%, and 0% were to customers
located in Western Europe and 2%, 1%, 0% were to other foreign customers.

The percentage of sales to significant customers was as follows:




YEAR ENDED DECEMBER 31,
--------------------------------
1999 1998 1997

Customer A............................ 16% 19% 8%
Customer B............................ 11 16 11
Customer C............................ 18 6 -
Customer D............................ 11 9 -
Customer E............................ 4 6 13
Customer F............................ - - 14





F-20



REPORT OF INDEPENDENT ACCOUNTANTS ON
FINANCIAL STATEMENT SCHEDULE

To the Board of Directors of JNI Corporation:

Our audits of the financial statements referred to in our report dated January
26, 2000 appearing in this Annual Report on Form 10-K of JNI Corporation also
included an audit of the financial statement schedule listed in Item 14(a)(2) of
this Form 10-K. In our opinion, this financial statement schedule presents
fairly, in all material respects, the information set forth therein when read in
conjunction with the related financial statements.



PricewaterhouseCoopers LLP
San Diego, California
January 26, 2000


S-1



JNI CORPORATION

SCHEDULE II - VALUATION & QUALIFYING ACCOUNTS
(IN THOUSANDS)




BALANCE AT CHARGED TO DEDUCTIONS BALANCE AT
BEGINNING COSTS AND TAKEN AGAINST END OF
OF PERIOD EXPENSES ALLOWANCE PERIOD

YEAR ENDED DECEMBER 31, 1997:
Allowance for sales returns and
doubtful accounts.............. $ 6 $ 58 $ 29 $ 35

YEAR ENDED DECEMBER 31, 1998:
Allowance for sales returns and
doubtful accounts.............. 35 194 96 133

YEAR ENDED DECEMBER 31, 1999:
Allowance for sales returns and
doubtful accounts.............. 133 416 54 495

YEAR ENDED DECEMBER 31, 1997:
Deferred income tax asset
valuation allowance............ $ 989 $ 509 $ 35 $ 1,463

YEAR ENDED DECEMBER 31, 1998:
Deferred income tax asset
valuation allowance............ 1,463 322 388 1,397

YEAR ENDED DECEMBER 31, 1999:
Deferred income tax asset
valuation allowance............ 1,397 - 1,397 -





S-2