WITTER DEAN CORNERSTONE FUND IV - 10-K Annual Report

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 10-K

[X] Annual report pursuant to Section 13 or 15(d) of the Securities Exchange
Act of 1934 [No Fee Required]
For the year ended December 31, 2002 or

[ ] Transition report pursuant to Section 13 or 15(d) of the Securities
Exchange Act of 1934 [No Fee Required]
For the transition period from ________________to___________________

Commission File Number 0-15442

DEAN WITTER CORNERSTONE FUND IV

(Exact name of registrant as specified in its Limited Partnership Agreement)

NEW YORK 13-3393597
(State or other jurisdiction of (I.R.S. Employer
incorporation or organization) Identification No.)

Demeter Management Corporation
825 Third Avenue, 9th Floor
New York, NY 10022
(Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code (212) 310-6444

Securities registered pursuant to Section 12(b) of the Act:

Name of each exchange
Title of each class on which registered

None None

Securities registered pursuant to Section 12(g) of the Act:

Units of Limited Partnership Interest

(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 filers pursuant to Item 405
of Regulation S-K (section 229.405 of this chapter) 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 of this Form 10-K. [X]

State the aggregate market value of the Units of Limited Partnership Interest
held by non-affiliates of the registrant. The aggregate market value shall be
computed by reference to the price at which units were sold as of a specified
date within 60 days prior to the date of filing: $111,777,029
at January 31, 2003.

DOCUMENTS INCORPORATED BY REFERENCE
(See Page 1)

DEAN WITTER CORNERSTONE FUND IV
INDEX TO ANNUAL REPORT ON FORM 10-K
DECEMBER 31, 2002

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the following documents are incorporated by reference
as follows:

Documents Incorporated Part of Form 10-K

Partnership's Prospectus dated August
28, 1996 together with the Supplement
to the Prospectus dated May 14, 1999 I

Annual Report to the Dean Witter
Cornerstone Funds II, III, and IV
Limited Partners for the year ended
December 31, 2002 II, III & IV

PART I
Item 1. BUSINESS
(a) General Development of Business. Dean Witter Cornerstone Fund
IV (the "Partnership") is a New York limited partnership organized
to engage in the speculative trading of futures contracts, options
on futures contracts and forward contracts on foreign currencies.
The Partnership commenced operations on May 1, 1987. The
Partnership is one of the Dean Witter Cornerstone Funds, comprised
of Dean Witter Cornerstone Fund II, Dean Witter Cornerstone Fund
III, and the Partnership (collectively, the "Cornerstone Series").

The Partnership's general partner is Demeter Management
Corporation ("Demeter"). The non-clearing commodity broker is
Morgan Stanley DW Inc. ("Morgan Stanley DW"). The clearing
commodity brokers are Morgan Stanley & Co. Incorporated ("MS &
Co.") and Morgan Stanley & Co. International Limited ("MSIL").
Demeter, Morgan Stanley DW, MS & Co. and MSIL are wholly-owned
subsidiaries of Morgan Stanley. The trading managers to the
Partnership are John W. Henry & Company, Inc. and Sunrise Capital
Management, Inc. (collectively, the "Trading Managers").

Effective June 20, 2002, Morgan Stanley Dean Witter & Co. changed
its name to Morgan Stanley.

The Partnership's net asset value per unit of limited
partnership interest ("Unit(s)") at December 31, 2002 was
$6,995.32, representing an increase of 12.3 percent from the net
asset value per Unit of $6,228.94 at December 31, 2001. For a more
detailed description of the Partnership's business, see
subparagraph (c).

(b) Financial Information about Segments. For financial infor-
mation reporting purposes the Partnership is deemed to engage in
one industry segment, the speculative trading of futures, forwards
and options. The relevant financial information is presented in
Items 6 and 8.

(c) Narrative Description of Business. The Partnership is in the
business of speculative trading of futures, forwards and options
pursuant to trading instructions provided by the Trading Managers.
For a detailed description of the different facets of the
Partnership's business, see those portions of the Partnership's
prospectus, dated August 28, 1996 (the "Prospectus"), together
with the supplement to the Prospectus dated May 14, 1999 (the
"Supplement") incorporated by reference in this Form 10-K, set
forth below.

Facets of Business
1. Summary 1. "Summary of the
Prospectus"
(Pages 1-9 of the
Prospectus).

2. Commodities Market 2. "The Commodities Market"
(Pages 80-84 of the
Prospectus).

3. Partnership's Commodity 3. "Investment Programs,
Trading Arrangements and Use of Proceeds and
Policies Trading Policies" (Pages
45-47 of the Prospectus)
and "The Trading
Managers" (Pages 51-74
of the Prospectus and
Pages S-20 - S-32 of the
Supplement).

4. Management of the Part- 4. "The Cornerstone Funds"
nership (Pages 19-24 of the
Prospectus and Pages
S-2 - S-5 of the Sup-
plement). "The General
Partner" (Pages 77-79 of
the Prospectus and Pages
Pages S-32 - S-34 of the
Supplement) and "The Com-
modity Brokers" (Pages
79-80 of the Prospectus
and Pages S-34 - S-36
of the Supplement). "The
Limited Partnership
Agreements" (Pages 86-90
of the Prospectus).

5. Taxation of the Partner- 5. "Material Federal Income
ship's Limited Partners Tax Considerations" and
"State and Local Income
Tax Aspects" (Pages 92-
99 of the Prospectus and
Page S-37 of the
Supplement).

(d) Financial Information about Geographic Areas. The Partnership
has not engaged in any operations in foreign countries; however,
the Partnership (through the commodity brokers) enters into
forward contract transactions where foreign banks are the
contracting party and trades futures, forwards and options on
foreign exchanges.

(e) Available Information. The Partnership files annual reports
on Form 10-K, quarterly reports on Form 10-Q, current reports on
Form 8-K, and all amendments to these reports with the Securities
and Exchange Commission ("SEC"). You may read and copy any
document filed by the Partnership at the SEC's public reference
room at Room 1024, 450 Fifth Street, N.W., Washington, D.C. 20549.
Please call the SEC at 1-800-SEC-0330 for information on the
public reference room. The Partnership does not maintain an
internet website, however, the SEC maintains a website that
contains annual, quarterly, and current reports, proxy statements
and other information that issuers (including the Partnership)
file electronically with the SEC. The SEC's website address is
http://www.sec.gov.

Item 2. PROPERTIES

The Partnership's executive and administrative offices are located
within the offices of Morgan Stanley DW. The Morgan Stanley DW
offices utilized by the Partnership are located at 825
Third Avenue, 9th Floor, New York, NY 10022.

Item 3. LEGAL PROCEEDINGS
None.

Item 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS
None.

PART II

Item 5. MARKET FOR THE REGISTRANT'S PARTNERSHIP UNITS AND RELATED
SECURITY HOLDER MATTERS

(a) Market Information. There is no established public trading
market for Units of the Partnership.

(b) Holders. The number of holders of Units at December 31, 2002
was approximately 5,237.

(c) Distributions. No distributions have been made by the
Partnership since it commenced trading operations on May 1, 1987.
Demeter has sole discretion to decide what distributions, if any,
shall be made to investors in the Partnership. Demeter currently
does not intend to make any distributions of Partnership profits.

(d) Use of Proceeds. The offering for the Partnership originally
commenced May 31, 1984 and was closed to new investors September
30, 1994. Units of the Partnership were sold afterwards solely
through "exchanges" between existing investors within the
Cornerstone Series at 100% of net asset value per Unit. Effective
with the April 30, 2000 monthly closing, the exchange privilege
among the Cornerstone Series was terminated. However, Limited
Partners retained the ability to execute exchanges out of a
Cornerstone fund into other funds outside the Cornerstone Series
subject to certain restrictions set forth in the applicable
limited partnership agreements. Morgan Stanley DW pays all
expenses in connection with the exchanging of Units without
reimbursement and therefore, 100% of the proceeds from exchanges
out of the Partnership are applied to the working capital of the
funds outside the Cornerstone Series receiving the exchanges in.
Please refer to "Investment Programs, Use of Proceeds and Trading
Policies" section of the Prospectus.

Item 6. SELECTED FINANCIAL DATA (in dollars)

Item 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
CONDITION AND RESULTS OF OPERATIONS

Liquidity. The Partnership deposits its assets with Morgan
Stanley DW as non-clearing broker and MS & Co. and MSIL as
clearing brokers in separate futures, forwards and options trading
accounts established for each Trading Manager, which assets are
used as margin to engage in trading. The assets are held in either
non-interest bearing bank accounts or in securities and
instruments permitted by the Commodity Futures Trading Commission
for investment of customer segregated or secured funds. The
Partnership's assets held by the commodity brokers may be used as
margin solely for the Partnership's trading. Since the
Partnership's sole purpose is to trade in futures, forwards and
options, it is expected that the Partnership will continue to own
such liquid assets for margin purposes.

The Partnership's investment in futures, forwards and options
may, from time to time, be illiquid. Most U.S. futures exchanges
limit fluctuations in prices during a single day by regulations
referred to as "daily price fluctuations limits" or "daily
limits". Trades may not be executed at prices beyond the daily
limit. If the price for a particular futures or options contract
has increased or decreased by an amount equal to the daily limit,
positions in that futures or options contract can neither be
taken nor liquidated unless traders are willing to effect trades
at or within the limit. Futures prices have occasionally
moved the daily limit for several consecutive days with little or
no trading. These market conditions could prevent the
Partnership from promptly liquidating its futures or options
contracts and result in restrictions on redemptions.

There is no limitation on daily price moves in trading forward
contracts on foreign currencies. The markets for some world
currencies have low trading volume and are illiquid, which may
prevent the Partnership from trading in potentially profitable
markets or prevent the Partnership from promptly liquidating
unfavorable positions in such markets, subjecting it to
substantial losses. Either of these market conditions could
result in restrictions on redemptions.

The Partnership has never had illiquidity affect a material
portion of its assets. Furthermore, there are no material trends,
demands, commitments, events or uncertainties known at the present
time that will result in, or that are reasonably likely to result
in the Partnership's liquidity increasing or decreasing in any
material way.

Capital Resources. The Partnership does not have, nor expect to
have, any capital assets. Redemptions of additional Units in the
future will affect the amount of funds available for investment in
futures, forwards and options in subsequent periods. It is not
possible to estimate the amount and therefore the impact of
future redemptions of Units.

There are no known material trends, favorable or unfavorable, that
would affect, nor any expected material changes to, the
Partnership's capital resource arrangements at the present time.
The Partnership has no off-balance sheet arrangements, nor
contractual obligations or commercial commitments to make future
payments that would affect the Partnership's liquidity or capital
resources. The contracts traded by the Partnership are accounted
for on a trade-date basis and marked to market on a daily basis.
The value of futures contracts is the settlement price on the
exchange on which that futures contract is traded on a particular
day. The value of foreign currency forward contracts is based on
the spot rate as of the close of business, New York City time, on
a given day.

Results of Operations.
General. The Partnership's results depend on the Trading
Managers and the ability of the Trading Managers' trading
programs to take advantage of price movements or other profit
opportunities in the futures, forwards and options markets. The
following presents a summary of the Partnership's operations for
the three years ended December 31, 2002 and a general discussion
of its trading activities during each period. It is important to
note, however, that the Trading Managers trade in various markets
at different times and that prior activity in a particular
market does not mean that such market will be actively traded by
the Trading Managers or will be profitable in the future.
Consequently, the results of operations of the Partnership are
difficult to discuss other than in the context of the Trading
Managers' trading activities on behalf of the Partnership and how
the Partnership has performed in the past.

The Partnership's results of operations are set forth in financial
statements prepared in accordance with United States generally
accepted accounting principles, which require the use of certain
accounting policies that affect the amounts reported in these
financial statements, including the following: The contracts the
Partnership trades are accounted for on a trade-date basis and
marked to market on a daily basis. The difference between their
cost and market value is recorded on the Statements of Operations
as "Net change in unrealized profit/loss" for open (unrealized)
contracts, and recorded as "Realized profit/loss" when open
positions are closed out, and the sum of these amounts constitutes
the Partnership's trading revenues. Interest income revenue as
well as management fees, incentive fees and brokerage commissions
expenses of the Partnership are recorded on an accrual basis.

Demeter believes that, based on the nature of the operations of
the Partnership, no assumptions other than those presently used
relating to the application of critical accounting policies
are reasonably plausible that could affect reported amounts.

At December 31, 2002, the Partnership's total capital was
$107,841,895, an increase of $1,231,870 from the Partnership's
total capital of $106,610,025 at December 31, 2001. For the year
ended December 31, 2002, the Partnership generated net income of
$11,978,992 and total redemptions aggregated $10,747,122.

For the year ended December 31, 2002, the Partnership recorded
total trading revenues, including interest income, of $21,270,437
and posted an increase in net asset value per Unit. The most
significant gains of approximately 15.6% were recorded from long
positions in the euro relative to the U.S. dollar as the dollar's
value significantly weakened during April, May, and June amid
falling equity prices and concerns regarding corporate integrity.
Additional gains from long positions in the euro, Swiss franc,
and Norwegian krone were experienced in December as the looming
threat of a potential military conflict with Iraq and North Korea
further weakened the dollar. Profits of approximately 7.3% were
recorded from long positions in the Australian dollar and New
Zealand dollar versus the U.S. dollar as the value of both
currencies strengthened during April, May, and throughout the
fourth quarter amid higher gold prices. Further gains of
approximately 3.9% stemmed from long positions in the South
African rand versus the U.S. dollar as its value approached a 16-
month high during the second and fourth quarters amid
strong demand for South African exports and high relative
interest rates. A portion of the Partnership's overall gains was
offset by losses of approximately 9.6% recorded in the British
pound from short positions versus the U.S. dollar during the
summer months and into the fourth quarter as the value of the
dollar weakened amid geopolitical and economic uncertainty.
Additional losses of approximately 8.4% resulted from positions
in the Japanese yen versus the U.S. dollar during March as the
yen initially strengthened amid asset repatriation out of the
U.S. into Japan, only to retreat by month-end on expectations
that the repatriation flow would soon subside ahead of the
Japanese fiscal year-end. Further losses in the Japanese yen
were experienced in December from short positions versus the U.S.
dollar as the value of the dollar weakened versus most major
currencies. Total expenses for the year were $9,291,445,
resulting in net income of $11,978,992. The net asset value of a
Unit increased from $6,228.94 at December 31, 2001 to $6,995.32
at December 31, 2002.

At December 31, 2001, the Partnership's total capital was
$106,610,025, an increase of $6,991,470 from the Partnership's
total capital of $99,618,555 at December 31, 2000. For the year
ended December 31, 2001, the Partnership generated net income of
$14,868,025 and total redemptions aggregated $7,876,555.

For the year ended December 31, 2001, the Partnership
recorded total trading revenues, including interest income, of
$23,218,105 and posted an increase in net asset value per Unit.
The most significant gains of approximately 18.3% were recorded
primarily during September from previously established short
positions in the South African rand as its value trended lower
relative to the U.S. dollar as investors targeted the emerging
market currency while global economic jitters persisted. During
November and December, additional gains were recorded from
previously established short positions in the South African rand
as its value trended lower versus the U.S. dollar due to emerging
market concerns following Argentina's debt default and political
turmoil in neighboring Zimbabwe. Profits of approximately 8.2%
were recorded throughout a majority of the first quarter from
previously established short positions in the Japanese yen as the
value of the yen weakened relative to the U.S. dollar on
continuing concerns for the Japanese economy and in both
anticipation of and reaction to the Bank of Japan's decision to
reinstate its zero interest rate policy. During December, gains
were recorded from previously established short positions in the
Japanese yen as the value of the yen versus the U.S. dollar
continued to trend lower amid the release of weak economic data
and the perception that further depreciation of the yen would not
be met with government intervention in support of the currency.
A portion of the Partnership's overall gains was partially offset
by losses of approximately 3.7% recorded primarily during May and
early June from previously established long positions in
the British pound as its value weakened relative to the U.S.
dollar in reaction to reports that British Prime Minister Blair
will push for Great Britain's entry into the European Monetary
Union. During October and November, losses were recorded from
previously established long positions in the British pound as the
value of the pound reversed weaker versus the U.S. dollar on
pessimism generated by the Bank of England that further interest
rate cuts were unlikely due to inflationary pressures in Britain.
Total expenses for the year were $8,350,080, resulting in net
income of $14,868,025. The net asset value of a Unit increased
from $5,373.69 at December 31, 2000 to $6,228.94 at December 31,
2001.

At December 31, 2000, the Partnership's total capital was
$99,618,555, a decrease of $3,357,098 from the Partnership's total
capital of $102,975,653 at December 31, 1999. For the year ended
December 31, 2000, the Partnership generated net income of
$13,474,556, total subscriptions aggregated $29,469 and total
redemptions aggregated $16,861,123.

For the year ended December 31, 2000, the Partnership recorded
total trading revenues, including interest income, of $21,185,258
and posted an increase in net asset value per Unit. The
Partnership recorded gains of approximately 12.9% from trading in
the euro. During the first half of the year, short positions in
the euro proved profitable as the value of the European
common currency weakened versus the U.S. dollar on uncertainty
regarding the European economy and speculation that European
interest rates would remain unchanged. In September, however,
coordinated intervention among the world's largest central banks
stemmed the tide of the falling euro. Following the intervention,
long positions in the euro proved profitable during the fourth
quarter as its value surged versus the U.S. dollar, Japanese yen,
and British pound, reflecting renewed skepticism regarding the
prospects of the U.S., Japanese and British economies relative to
that of the European economy. Gains of approximately 3.1% were
also recorded from positions in the Swiss franc as its value often
moved in line with that of the euro. Additional gains of
approximately 5.4% were experienced throughout the year from short
South African rand positions as its value receded relative to the
U.S. dollar during April and May amid speculation that Zimbabwe
was on the verge of devaluing its currency. A portion of the
Partnership's gains for the year was offset by losses of
approximately 7.3% experienced in the British pound primarily from
long positions early in the year amid continued strength in the
U.S. dollar and short positions late in the year on fresh evidence
of a weakening U.S. economy. Losses of approximately 4.6% were
also experienced in the Australian dollar as its value fluctuated
in response to weakness in the euro, the changing U.S. interest
rate environment and fading Australian interest rate expectations.
Total expenses for the year were $7,710,702, resulting in net
income of $13,474,556. The net asset value of a Unit
increased from $4,683.42 at December 31, 1999 to $5,373.69 at
December 31, 2000.

The Partnership's overall performance record represents varied
results of trading in different futures, forwards and options
markets. For an analysis of unrealized gains and (losses) by
contract type and a further description of 2002 trading results,
refer to the "Letter to the Limited Partners" in the Partnership's
Annual Report to Limited Partners for the year ended December 31,
2002, which is incorporated by reference to Exhibit 13.01 of this
Form 10-K.

The Partnership's gains and losses are allocated among its
partners for income tax purposes.

Credit Risk.
Financial Instruments. The Partnership is a party to financial
instruments with elements of off-balance sheet market and credit
risk. The Partnership may trade futures, forwards and other
commodity interests on foreign currencies. In entering into
these contracts, the Partnership is subject to the market risk
that such contracts may be significantly influenced by market
conditions, such as interest rate volatility, resulting in such
contracts being less valuable. If the markets should move against
all of the positions held by the Partnership at the same time,
and if the Trading Managers were unable to offset
positions of the Partnership, the Partnership could lose all of
its assets and limited partners would realize a 100% loss.

In addition to the Trading Managers' internal controls, the
Trading Managers must comply with the trading policies of the
Partnership. These trading policies include standards for
liquidity and leverage with which the Partnership must comply.
The Trading Managers and Demeter monitor the Partnership's
trading activities to ensure compliance with the trading
policies. Demeter may require the Trading Managers to modify
positions of the Partnership if Demeter believes they violate the
Partnership's trading policies.

In addition to market risk, in entering into futures, forward and
options contracts there is a credit risk to the Partnership that
the counterparty on a contract will not be able to meet its
obligations to the Partnership. The ultimate counterparty or
guarantor of the Partnership for futures contracts traded in the
United States and the foreign exchanges on which the Partnership
trades is the clearinghouse associated with such exchange. In
general, a clearinghouse is backed by the membership of the
exchange and will act in the event of non-performance by one of
its members or one of its member's customers, which should
significantly reduce this credit risk. For example, a
clearinghouse may cover a default by drawing upon a defaulting
member's mandatory contributions and/or non-defaulting
members' contributions to a clearinghouse guarantee fund,
established lines or letters of credit with banks, and/or the
clearinghouse's surplus capital and other available assets of the
exchange and clearinghouse, or assessing its members. In cases
where the Partnership trades off-exchange forward contracts with
a counterparty, the sole recourse of the Partnership will be the
forward contracts counterparty.

There is no assurance that a clearinghouse, exchange, or other
exchange member will meet its obligations to the Partnership, and
Demeter and the commodity brokers will not indemnify the
Partnership against a default by such parties. Further, the law
is unclear as to whether a commodity broker has any obligation to
protect its customers from loss in the event of an exchange or
clearinghouse defaulting on trades effected for the broker's
customers. Any such obligation on the part of a broker appears
even less clear where the default occurs in a non-U.S.
jurisdiction.

Demeter deals with these credit risks of the Partnership in
several ways. First, it monitors the Partnership's credit
exposure to each exchange on a daily basis, calculating not only
the amount of margin required for it but also the amount of its
unrealized gains at each exchange, if any. The commodity brokers
inform the Partnership, as with all their customers, of its net
margin requirements for all its existing open positions,
but do not break that net figure down, exchange by exchange.
Demeter, however, has installed a system which permits it to
monitor the Partnership's potential margin liability, exchange by
exchange. As a result, Demeter is able to monitor the
Partnership's potential net credit exposure to each exchange by
adding the unrealized trading gains on that exchange, if any, to
the Partnership's margin liability thereon.

Second, the Partnership's trading policies limit the amount of
its net assets that can be committed at any given time to futures
contracts and require, in addition, a minimum amount of
diversification in the Partnership's trading, usually over
several different products. One of the aims of such trading
policies has been to reduce the credit exposure of the
Partnership to a single exchange and, historically, the
Partnership's exposure to any one exchange has typically amounted
to only a small percentage of its total net assets. On those
relatively few occasions where the Partnership's credit exposure
may climb above that level, Demeter deals with the situation on a
case by case basis, carefully weighing whether the increased
level of credit exposure remains appropriate. Material changes to
the trading policies may be made only with the prior written
approval of the Limited Partners owning more than 50% of Units
then outstanding.

Third, with respect to forward contract trading, the
Partnership trades with only those counterparties which Demeter,
together with Morgan Stanley DW, have determined to be
creditworthy. The Partnership presently deals with MS & Co. as
the sole counterparty on forward contracts.

See "Financial Instruments" under "Notes to Financial Statements"
in the Partnership's Annual Report to Limited Partners for the
year ended December 31, 2002, which is incorporated by reference
to Exhibit 13.01 of this Form 10-K.

Inflation has not been a major factor in the Partnership's
operations.

Item 7A.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT
MARKET RISK

Introduction
The Partnership is a commodity pool engaged primarily in the
speculative trading of futures, forwards and options. The market-
sensitive instruments held by the Partnership are acquired for
speculative trading purposes only and, as a result, all or
substantially all of the Partnership's assets are at risk of
trading loss. Unlike an operating company, the risk of market-
sensitive instruments is central, not incidental, to the
Partnership's main business activities.

The futures, forwards and options traded by the Partnership
involve varying degrees of related market risk. Market risk is
often dependent upon changes in the level or volatility of
interest rates, exchange rates, and prices of financial
instruments and commodities. Fluctuations in market risk based
upon these factors result in frequent changes in the fair value
of the Partnership's open positions, and, consequently, in its
earnings and cash flow.

The Partnership's total market risk is influenced by a wide
variety of factors, including the diversification among the
Partnership's open positions, the volatility present within the
markets, and the liquidity of the markets. At different times,
each of these factors may act to increase or decrease the
market risk associated with the Partnership.
The Partnership's past performance is not necessarily indicative
of its future results. Any attempt to numerically quantify the
Partnership's market risk is limited by the uncertainty of its
speculative trading. The Partnership's speculative trading may
cause future losses and volatility (i.e., "risk of ruin") that
far exceed the Partnership's experiences to date or any
reasonable expectations based upon historical changes in market
value.

Quantifying the Partnership's Trading Value at Risk
The following quantitative disclosures regarding the Partnership's
market risk exposures contain "forward-looking statements" within
the meaning of the safe harbor from civil liability provided for
such statements by the Private Securities Litigation Reform Act of
1995 (set forth in Section 27A of the Securities Act of 1933 and
Section 21E of the Securities Exchange Act of 1934). All
quantitative disclosures in this section are deemed to be forward-
looking statements for purposes of the safe harbor, except for
statements of historical fact.

The Partnership accounts for open positions on the basis of mark-
to-market accounting principles. Any loss in the market value of
the Partnership's open positions is directly reflected in the
Partnership's earnings, whether realized or unrealized, and its
cash flow. Profits and losses on open positions of
exchange- traded futures, forwards and options are settled daily
through variation margin.

The Partnership's risk exposure in the market sectors traded by
the Trading Managers is estimated below in terms of Value at Risk
("VaR"). The VaR model used by the Partnership includes many
variables that could change the market value of the Partnership's
trading portfolio. The Partnership estimates VaR using a model
based upon historical simulation with a confidence level of 99%.
Historical simulation involves constructing a distribution of
hypothetical daily changes in the value of a trading portfolio.
The VaR model takes into account linear exposures to price and
interest rate risk. Market risks that are incorporated in the
VaR model include equity and commodity prices, interest rates,
foreign exchange rates, and correlation among these variables.
The hypothetical changes in portfolio value are based on daily
percentage changes observed in key market indices or other market
factors ("market risk factors") to which the portfolio is
sensitive. The historical observation period of the
Partnership's VaR is approximately four years. The one-day 99%
confidence level of the Partnership's VaR corresponds to the
negative change in portfolio value that, based on observed market
risk factors, would have been exceeded once in 100 trading days.
In other words, one-day VaR for a portfolio is a number such that
losses in this portfolios are estimated to exceed the VaR only
one day in 100. VaR typically does not represent the
worst case outcome.

VaR is calculated using historical simulation. Demeter uses
approximately four years of daily market data (1,000
observations) and revalues its portfolio (using delta-gamma
approximations) for each of the historical market moves that
occurred over this time period. This generates a probability
distribution of daily "simulated profit and loss" outcomes. The
VaR is the appropriate percentile of this distribution. For
example, the 99% one-day VaR would represent the 10th worst
outcome from Demeter's simulated profit and loss series.

The Partnership's VaR computations are based on the risk
representation of the underlying benchmark for each instrument or
contract and does not distinguish between exchange and non-
exchange-traded instruments and is also not based on exchange
and/or dealer-based margin requirements.

VaR models, including the Partnership's, are continuously
evolving as trading portfolios become more diverse and modeling
techniques and systems capabilities improve. Please note that
the VaR model is used to numerically quantify market risk for
historic reporting purposes only and is not utilized by either
Demeter or the Trading Managers in their daily risk management
activities. Please further note that VaR as described above may
not be comparable to similarly titled measures used by
other entities.

The Partnership's Value at Risk in Different Market Sectors
The following table indicates the VaR associated with the
Partnership's open positions as a percentage of total net assets
by primary market risk category at December 31, 2002 and 2001.
The VaR for a market category represents the one-day downside
risk for the aggregate exposures associated with this market
category. At December 31, 2002 and 2001, the Partnership's total
capitalization was approximately $108 million and $107 million,
respectively.

Primary Market December 31, 2002 December 31, 2001
Risk Category Value at Risk Value at Risk

Currency (4.19)% (2.98)%

The table above represents the VaR of the Partnership's open
positions at December 31, 2002 and 2001 only and is not
necessarily representative of either the historic or future risk
of an investment in the Partnership. Because the Partnership's
only business is the speculative trading of futures, forwards and
options, the composition of its trading portfolio can change
significantly over any given time period, or even within a single
trading day. Any changes in open positions could positively or
negatively materially impact market risk as measured by VaR.
The table below supplements the December 31, 2002 VaR by
presenting the Partnership's high, low and average VaR, as a
percentage of total net assets for the four quarterly reporting
periods from January 1, 2002 through December 31, 2002.

Primary Market Risk Category High Low Average
Currency (4.19)% (1.55)% (3.16)%

Limitations on Value at Risk as an Assessment of Market Risk
The face value of the market sector instruments held by the
Partnership is typically many times the applicable margin
requirements. Margin requirements generally range between 2% and
15% of contract face value. Additionally, the use of leverage
causes the face value of the market sector instruments held by
the Partnership to typically be many times the total
capitalization of the Partnership. The value of the
Partnership's open positions thus creates a "risk of ruin" not
usually found in other investments. The relative size of the
positions held may cause the Partnership to incur losses greatly
in excess of VaR within a short period of time, given the effects
of the leverage employed and market volatility. The VaR tables
above, as well as the past performance of the Partnership, give
no indication of such "risk of ruin". In addition, VaR risk
measures should be viewed in light of the methodology's
limitations, which include the following:

? past changes in market risk factors will not always result in
accurate predictions of the distributions and correlations of
future market movements;
? changes in portfolio value caused by market movements may
differ from those of the VaR model;
? VaR results reflect past trading positions while future risk
depends on future positions;
? VaR using a one-day time horizon does not fully capture the
market risk of positions that cannot be liquidated or hedged
within one day; and
? the historical market risk factor data used for VaR estimation
may provide only limited insight into losses that could be
incurred under certain unusual market movements.

The VaR tables above present the results of the Partnership's VaR
for the Partnership's market risk exposure at December 31, 2002
and 2001 and for the end of the four quarterly reporting periods
during calendar year 2002. Since VaR is based on historical
data, VaR should not be viewed as predictive of the Partnership's
future financial performance or its ability to manage or monitor
risk. There can be no assurance that the Partnership's actual
losses on a particular day will not exceed the VaR amounts
indicated above or that such losses will not occur more than once
in 100 trading days.

Non-Trading Risk
The Partnership has non-trading market risk on its foreign cash
balances not needed for margin. The Partnership did not have any
foreign currency balances at December 31, 2002.

At December 31, 2002, the Partnership's cash balance at Morgan
Stanley DW was approximately 93% of its total net asset value. A
decline in short-term interest rates will result in a decline in
the Partnership's cash management income. This cash flow risk is
not considered to be material.

Materiality, as used throughout this section, is based on an
assessment of reasonably possible market movements and any
associated potential losses taking into account the leverage,
optionality and multiplier features of the Partnership's market-
sensitive instruments, in relation to the Partnership's net
assets.

Qualitative Disclosures Regarding Primary Trading Risk Exposures
The following qualitative disclosures regarding the Partnership's
market risk exposures - except for (A) those disclosures that are
statements of historical fact and (B) the descriptions of how the
Partnership manages its primary market risk exposures -
constitute forward-looking statements within the meaning of
Section 27A of the Securities Act and Section 21E of the

Securities Exchange Act. The Partnership's primary market risk
exposure as well as the strategies used and to be used by Demeter
and the Trading Managers for managing such exposures are subject
to numerous uncertainties, contingencies and risks, any one of
which could cause the actual results of the Partnership's risk
controls to differ materially from the objectives of such
strategies. Government interventions, defaults and
expropriations, illiquid markets, the emergence of dominant
fundamental factors, political upheavals, changes in historical
price relationships, an influx of new market participants,
increased regulation and many other factors could result in
material losses as well as in material changes to the risk
exposures and the risk management strategies of the Partnership.
Investors must be prepared to lose all or substantially all of
their investment in the Partnership.

The following was the primary trading risk exposure of the
Partnership at December 31, 2002. It may be anticipated, however,
that market exposure will vary materially over time.

Currency. The Partnership's currency exposure at December 31,
2002 was to exchange rate fluctuations, primarily fluctuations
which disrupt the historical pricing relationships between
different currencies and currency pairs. Interest rate changes
as well as political and general economic conditions influence
these fluctuations. The Partnership trades a large number
of currencies. At December 31, 2002, the Partnership's major
exposure was to outright U.S. dollar positions. Outright
positions consist of the U.S. dollar vs. other currencies. These
other currencies include major and minor currencies. Demeter
does not anticipate that the risk profile of the Partnership's
currency sector will change significantly in the future. The
currency trading VaR figure includes foreign margin amounts
converted into U.S. dollars with an incremental adjustment to
reflect the exchange rate risk inherent to the U.S.-based
Partnership in expressing VaR in a functional currency other than
U.S. dollars.

Qualitative Disclosures Regarding Non-Trading Risk Exposure
At December 31, 2002, there was no non-trading risk exposure
because the Partnership did not have any foreign currency
balances.

Qualitative Disclosures Regarding Means of Managing Risk Exposure
The Partnership and the Trading Managers, separately, attempt to
manage the risk of the Partnership's open positions in
essentially the same manner in all market categories traded.
Demeter attempts to manage market exposure by diversifying the
Partnership's assets among different Trading Managers, each of
whose strategies focus on different market sectors and trading
approaches, and monitoring the performance of the Trading
Managers daily. In addition, the Trading Managers
establish diversification guidelines, often set in terms of the
maximum margin to be committed to positions in any one market
sector or market-sensitive instrument.

Demeter monitors and controls the risk of the Partnership's non-
trading instrument, cash. Cash is the only Partnership
investment directed by Demeter, rather than the Trading Managers.

Item 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
The Financial Statements are incorporated by reference to the
Partnership's Annual Report which is filed as Exhibit 13.01
hereto.

Supplementary data specified by Item 302 of Regulation S-K:

Summary of Quarterly Results (Unaudited)

Quarter Revenues/ Net Net Income/
Ended (Net Losses) Income/(Loss) (Loss) Per Unit

2002
March 31 $ (8,742,138) $ (8,870,961) $ (522.48)
June 30 26,037,404 20,655,084 1,248.23
September 30 (10,911,892) (11,021,284) (682.32)
December 31 14,887,063 11,216,153 722.95

Total $ 21,270,437 $ 11,978,992 $ 766.38

2001
March 31 $ 9,201,821 $ 6,783,353 $ 372.82
June 30 (1,220,528) (2,497,459) (139.10)
September 30 (876,509) (2,528,408) (141.02)
December 31 16,113,321 13,110,539 762.55

Total $23,218,105 $ 14,868,025 $ 855.25

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

There are no directors or executive officers of the Partnership.
The Partnership is managed by Demeter.

Directors and Officers of the General Partner
The directors and executive officers of Demeter are as follows:

Robert E. Murray, age 42, is the Managing Director of the
Strategic Products Group at Morgan Stanley and Chairman of the
Board of Directors of Demeter Management Corporation, a leading
commodity pool operator with approximately $1.7 billion in assets
across a variety of U.S. and international public and private
managed futures funds. Mr. Murray began at Dean Witter in 1984
and has been closely involved in the growth of managed futures at
the firm over the last 18 years. He is also the Chairman of the
Board of Directors of Morgan Stanley Futures & Currency
Management Inc., Morgan Stanley's internal commodity trading
advisor. Mr. Murray served as the Vice Chairman and a Director
of the Board of the Managed Futures Association and is currently
a member of the Board of Directors of the National Futures
Association. Mr. Murray received a Bachelors Degree in Finance
from Geneseo State University in 1983.

Jeffrey A. Rothman, age 41, is the President and a
Director of Demeter. Mr. Rothman is the Executive Director of the
Morgan Stanley Managed Futures, responsible for overseeing all
aspects of the firm's managed futures department. He is also
President and a Director of Morgan Stanley Futures & Currency
Management Inc. Mr. Rothman has been with the managed futures
department for sixteen years and most recently held the position
of National Sales Manager, assisting Branch Managers and
Financial Advisors with their managed futures education,
marketing, and asset retention efforts. Throughout his career,
Mr. Rothman has helped with the development, marketing, and
administration of approximately 35 commodity pools. Mr. Rothman
is an active member of the Managed Funds Association and serves
on its Board of Directors.

Mitchell M. Merin resigned his position as a Director of Demeter.

Joseph G. Siniscalchi, age 57, is a Director of Demeter. Mr.
Siniscalchi joined Morgan Stanley DW in July 1984 as a First Vice
President, Director of General Accounting and served as a Senior
Vice President and Controller for Morgan Stanley DW's Securities
Division through 1997. He is currently Managing Director
responsible for the Client Support Service Division of Morgan
Stanley DW. From February 1980 to July 1984, Mr. Siniscalchi was
Director of Internal Audit at Lehman Brothers Kuhn Loeb, Inc.

Edward C. Oelsner, III, age 61, is a Director of Demeter.
Mr. Oelsner is currently an Executive Vice President and head of
the Product Development Group at Morgan Stanley Investment
Advisors Inc., an affiliate of Morgan Stanley DW. Mr. Oelsner
joined Morgan Stanley DW in 1981 as a Managing Director in Morgan
Stanley DW's Investment Banking Department, specializing in
coverage of regulated industries and subsequently served as head
of the Morgan Stanley DW Retail Products Group. Prior to joining
Morgan Stanley DW, Mr. Oelsner held positions at The First Boston
Corporation as a member of the Research and Investment Banking
Departments from 1967 to 1981. Mr. Oelsner received an M.B.A. in
Finance from the Columbia University Graduate School of Business
in 1966 and an A.B. in Politics from Princeton University in
1964.

Richard A. Beech, age 51, is a Director of Demeter. Mr. Beech
has been associated with the futures industry for over 25 years.
He has been at Morgan Stanley DW since August 1984 where he is
presently an Executive Director and head of Branch Futures. Mr.
Beech began his career at the Chicago Mercantile Exchange, where
he became the Chief Agricultural Economist doing market analysis,
marketing and compliance. Prior to joining Morgan Stanley DW, Mr.
Beech worked at two investment banking firms in operations,
research, managed futures and sales management.

Raymond A. Harris, age 46, is a Director of Demeter and of
Morgan Stanley Futures & Currency Management Inc. Mr. Harris is
currently Managing Director of Global Products & Services at
Morgan Stanley. He previously served as Chief Accounting Officer
of Morgan Stanley Dean Witter Asset Management. From July 1982
to July 1994, Mr. Harris served in financial, administrative and
other assignments at Dean Witter Reynolds, Inc. and Dean Witter
Discover & Co. From August 1994 to January 1999, he worked in
Discover Financial Services and the firm's Credit Service
business units. Mr. Harris has been with Morgan Stanley and its
affiliates since July 1982. He has a B.A. degree from Boston
College and an M.B.A. in Finance from the University of Chicago.

Anthony J. DeLuca, age 40, is a Director of Demeter. Mr. DeLuca
is also a Director of Morgan Stanley Futures & Currency
Management Inc. Mr. DeLuca was appointed the Controller of Asset
Management for Morgan Stanley in June 1999. Prior to that, Mr.
DeLuca was a partner at the accounting firm of Ernst & Young LLP,
where he had Morgan Stanley as a major client. Mr. DeLuca had
worked continuously at Ernst & Young LLP ever since 1984, after
he graduated from Pace University with a B.B.A. degree in
Accounting.

Frank Zafran, age 47, is a Director of Demeter and of Morgan
Stanley Futures & Currency Management Inc. Mr. Zafran is an
Executive Director of Morgan Stanley and, in September 2002, was
named Chief Administrative Officer of Morgan Stanley's
Global Products & Services Division. Mr. Zafran joined the firm
in 1979 and has held various positions in Corporate Accounting
and the Insurance Department, including Senior Operations Officer
- - Insurance Division, until his appointment in 2000 as Director
of 401(k) Plan Services, responsible for all aspects of 401(k)
Plan Services including marketing, sales and operations. Mr.
Zafran
received a B.S. degree in Accounting from Brooklyn College, New
York.

Raymond E. Koch resigned his position as Chief Financial Officer
of Demeter.

Jeffrey D. Hahn, age 45, is the Chief Financial Officer of
Demeter. Mr. Hahn began his career at Morgan Stanley in 1992 and
is currently an Executive Director responsible for the management
and supervision of the accounting, reporting, tax and finance
functions for the firm's private equity, managed futures, and
certain legacy real estate investing activities. He is also Chief
Financial Officer of Morgan Stanley Futures & Currency Management
Inc. From August 1984 through May 1992, Mr. Hahn held various
positions as an auditor at Coopers & Lybrand, specializing in
manufacturing businesses and venture capital organizations. Mr.
Hahn received his B.A. in Economics from St. Lawrence University
in 1979, an M.B.A. from Pace University in 1984, and is a
Certified Public Accountant.
All of the foregoing directors have indefinite terms.

Item 11. EXECUTIVE COMPENSATION
The Partnership has no directors and executive officers. As a
limited partnership, the business of the Partnership is managed by
Demeter, which is responsible for the administration of the
business affairs of the Partnership but receives no compensation
for such services.

Item 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND
MANAGEMENT

(a) Security Ownership of Certain Beneficial Owners - At December
31, 2002, there were no persons known to be beneficial owners of
more than 5 percent of the Units.

(b) Security Ownership of Management - At December 31, 2002,
Demeter owned 213.889 Units of general partnership interest,
representing a 1.39 percent interest in the Partnership.

(c) Changes in Control - None.

Item 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS
Refer to Note 2 - "Related Party Transactions" of "Notes to
Financial Statements," in the accompanying Annual Report to
Limited Partners for the year ended December 31, 2002,
which is incorporated by reference to Exhibit 13.01 of this Form
10-K. In its capacity as the Partnership's retail commodity
broker, Morgan Stanley DW received commodity brokerage commissions
(paid and accrued by the Partnership) of $3,568,609 for the year
ended December 31, 2002.

Item 14. CONTROLS AND PROCEDURES
(a) As of a date within 90 days of the filing date of this
annual report, the President and Chief Financial
Officer of the general partner, Demeter, have evaluated
effectiveness of the Partnership's disclosure controls
and procedures (as defined in Rules 13a-14 and 15d-14
of the Exchange Act), and have judged such controls and
procedures to be effective.

(b) There have been no significant changes in the
Partnership's internal controls or in other factors
that could significantly affect these controls
subsequent to the date of their evaluation.

PART IV
Item 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON
FORM 8-K

(a) 1. Listing of Financial Statements
The following financial statements and report of independent
auditors, all appearing in the accompanying Annual Report to
Limited Partners for the year ended December 31, 2002 are
incorporated by reference to Exhibit 13.01 of this Form 10-K:
- - Report of Deloitte & Touche LLP, independent auditors, for
the years ended December 31, 2002, 2001 and 2000.

- - Statements of Financial Condition, including the Schedules of
Investments, as of December 31, 2002 and 2001.

- - Statements of Operations, Changes in Partners' Capital, and
Cash Flows for the years ended December 31, 2002, 2001 and
2000.

- - Notes to Financial Statements.

With the exception of the aforementioned information and the
information incorporated in Items 7, 8, and 13, the Annual Report
to Limited Partners for the year ended December 31, 2002 is not
deemed to be filed with this report.

2. Listing of Financial Statement Schedules
No financial statement schedules are required to be filed with
this report.

(b) Reports on Form 8-K
No reports on Form 8-K have been filed by the Partnership during
the last quarter of the period covered by this report.

(c) Exhibits
Refer to Exhibit Index on Pages E-1 to E-2.

SIGNATURES

Pursuant to the requirements of Sections 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.

DEAN WITTER CORNERSTONE FUND IV
(Registrant)

BY: Demeter Management Corporation,
General Partner

March 31, 2003 BY: /s/ Jeffrey A. Rothman
Jeffrey A. Rothman,
Director and President

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 and in the capacities and on the dates indicated.

Demeter Management Corporation.

BY: /s/ Robert E. Murray March 31, 2003
Robert E. Murray, Director and
Chairman

/s/ Jeffrey A. Rothman March 31, 2003
Jeffrey A. Rothman, Director
and President

/s/ Joseph G. Siniscalchi March 31, 2003
Joseph G. Siniscalchi, Director

/s/ Edward C. Oelsner III March 31, 2003
Edward C. Oelsner III, Director

/s/ Richard A. Beech March 31, 2003
Richard A. Beech, Director

/s/ Raymond A. Harris March 31, 2003
Raymond A. Harris, Director

/s/ Anthony J. DeLuca March 31, 2003
Anthony J. DeLuca, Director

/s/ Frank Zafran March 31, 2003
Frank Zafran, Director

/s/ Jeffrey D. Hahn March 31, 2003
Jeffrey D. Hahn, Chief
Financial Officer

CERTIFICATIONS

I, Jeffrey A. Rothman, President of Demeter Management
Corporation, the general partner of the registrant, certify that:

1. I have reviewed this annual report on Form 10-K of the
registrant;

2. Based on my knowledge, this annual report does not contain any
untrue statement of a material fact or omit to state a material
fact necessary to make the statements made, in light of the
circumstances under which such statements were made, not
misleading with respect to the period covered by this annual
report;

3. Based on my knowledge, the financial statements, and other
financial information included in this annual report, fairly
present in all material respects the financial condition,
results of operations and cash flows of the registrant as of,
and for, the periods presented in this annual report;

4. The registrant's other certifying officers and I are
responsible for establishing and maintaining disclosure
controls and procedures (as defined in Exchange Act Rules 13a-
14 and 15d-14) for the registrant and have:

a) designed such disclosure controls and procedures to ensure
that material information relating to the registrant,
including its consolidated subsidiaries, is made known to us
by others within those entities, particularly during the
period in which this annual report is being prepared;

b) evaluated the effectiveness of the registrant's disclosure
controls and procedures as of a date within 90 days prior to
the filing date of this annual report (the "Evaluation
Date"); and

c) presented in this annual report our conclusions about the
effectiveness of the disclosure controls and procedures based
on our evaluation as of the Evaluation Date;

5. The registrant's other certifying officers and I have
disclosed, based on our most recent evaluation, to the
registrant's auditors and the audit committee of Demeter's
board of directors (or persons performing the equivalent
function):

a) all significant deficiencies in the design or operation of
internal controls which could adversely affect the
registrant's ability to record, process, summarize and report
financial data and have identified for the registrant's
auditors any material weaknesses in internal controls; and

b) any fraud, whether or not material, that involves management
or other employees who have a significant role in the
registrant's internal controls; and

6. The registrant's other certifying officers and I have indicated
in this annual report whether there were significant changes in
internal controls or in other factors that could significantly
affect internal controls subsequent to the date of our most
recent evaluation, including any corrective actions with regard
to significant deficiencies and material weaknesses.

Date: March 31, 2003 /s/Jeffrey A. Rothman
Jeffrey A. Rothman
President, Demeter Management
Corporation, general partner
of the registrant

CERTIFICATIONS

I, Jeffrey D. Hahn, Chief Financial Officer of Demeter Management
Corporation, the general partner of the registrant, certify that:

1. I have reviewed this annual report on Form 10-K of the
registrant;

2. Based on my knowledge, this annual report does not contain
any untrue statement of a material fact or omit to state a
material fact necessary to make the statements made, in
light of the circumstances under which such statements were
made, not misleading with respect to the period covered by
this annual report;

3. Based on my knowledge, the financial statements, and other
financial information included in this annual report, fairly
present in all material respects the financial condition,
results of operations and cash flows of the registrant as
of, and for, the periods presented in this annual report;

4. The registrant's other certifying officers and I are
responsible for establishing and maintaining disclosure
controls and procedures (as defined in Exchange Act Rules
13a-14 and 15d-14) for the registrant and have:

a) designed such disclosure controls and procedures to
ensure that material information relating to the
registrant, including its consolidated subsidiaries, is
made known to us by others within those entities,
particularly during the period in which this annual
report is being prepared;

b) evaluated the effectiveness of the registrant's
disclosure controls and procedures as of a date within
90 days prior to the filing date of this annual report
(the "Evaluation Date"); and

c) presented in this annual report our conclusions about
the effectiveness of the disclosure controls and
procedures based on our evaluation as of the Evaluation
Date;

5. The registrant's other certifying officers and I have
disclosed, based on our most recent evaluation, to the
registrant's auditors and the audit committee of Demeter's
board of directors (or persons performing the equivalent
function):

a) all significant deficiencies in the design or operation
of internal controls which could adversely affect the
registrant's ability to record, process, summarize and
report financial data and have identified for the
registrant's auditors any material weaknesses in
internal controls; and

b) any fraud, whether or not material, that involves
management or other employees who have a significant
role in the registrant's internal controls; and

6. The registrant's other certifying officers and I have
indicated in this annual report whether there were
significant changes in internal controls or in other factors
that could significantly affect internal controls subsequent
to the date of our most recent evaluation, including any
corrective actions with regard to significant deficiencies
and material weaknesses.

Date: March 31, 2003 /s/Jeffrey D. Hahn
Jeffrey D. Hahn
Chief Financial Officer,
Demeter Management Corporation,
general partner of the
registrant

EXHIBIT INDEX
Item

3.01 Limited Partnership Agreement of the Partnership, dated as of
December 11, 1986, is incorporated by reference to Exhibit 3.01
the Partnership's Annual Report on Form 10-K for the fiscal year
ended December 31, 1987 (File No. 0-15442).

10.01 Management Agreement among the Partnership, Demeter and John W.
Henry and Co. Inc. dated as of May 1, 1987, is incorporated by
reference to Exhibit 10.01 of the Partnership's Annual Report on
Form 10-K for the fiscal year ended December 31, 1987 (File No. 0-
15442).

10.02 Management Agreement among the Partnership, Demeter and Sunrise
Capital Inc. (formerly Sunrise Commodities Management Inc.) dated
as of May 1, 1987, is incorporated by reference to Exhibit 10.02
of the Partnership's Annual Report on Form 10-K for the fiscal
year ended December 31, 1987 (File No. 0-15442).

10.03 Dean Witter Cornerstone Funds Exchange Agreement, dated as of May
31, 1984, is incorporated by reference to Exhibit 10.04 of the
Partnership's Annual Report on Form 10-K for the fiscal year ended
December 31, 1987 (File No. 0-15442).

10.04 Amended and Restated Customer Agreement between the Partnership
and Morgan Stanley DW Inc., dated as of June 22, 2000, is
incorporated by reference to Exhibit 10.01 of the Partnership's
Form 8-K (File No. 0-15442) filed with the Securities and Exchange
Commission on November 13, 2001.

10.05 Commodity Futures Customer Agreement between Morgan Stanley & Co.
Incorporated and the Partnership, and acknowledged and agreed to
by Morgan Stanley DW Inc., dated as of May 1, 2000, is
incorporated by reference to Exhibit 10.02 of the Partnership's
Form 8-K (File No. 0-15442) filed with the Securities and Exchange
Commission on November 13, 2001.

10.06 Foreign Exchange and Options Master Agreement between Morgan
Stanley & Co. Incorporated and the Partnership, dated as of April
30, 2000, is incorporated by reference to Exhibit 10.04 of the
Partnership's Form 8-K (File No. 0-15442) filed with the
Securities and Exchange Commission on November 13, 2001.

10.07 Securities Account Control Agreement among the Partnership, Morgan
Stanley & Co. Incorporated, and Morgan Stanley DW Inc., dated as
of May 1, 2000, is incorporated by reference to Exhibit 10.03 of
the Partnership's Form 8-K (File No. 0-15442) filed with the
Securities and Exchange Commission on November 13, 2001.

10.08 Amendment to Management Agreement between the Partnership and John
W. Henry & Company, Inc., dated as of November 30, 2000, is
incorporated by reference to Exhibit 10.1 of the Partnership's
Form 8-K (File No. 0-15442) filed with the Securities and Exchange
Commission on January 3, 2001.

10.09 Amendment to Management Agreement between the Partnership and
Sunrise Capital Management, Inc., dated as of November 30, 2000,
is incorporated by reference to Exhibit 10.2 of the Partnership's
Form 8-K (File No. 0-15442) filed with the Securities and Exchange
Commission on January 3, 2001.

13.01 Annual Report to Limited Partners for the year ended December 31,
2002 is filed herewith.

99.01 Certification of President of Demeter Management Corporation,
general partner of the Partnership, pursuant to 18 U.S.C. Section
1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act
of 2002.

99.02 Certification of Chief Financial Officer of Demeter Management
Corporation, general partner of the Partnership, pursuant to 18
U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002.

EXHIBIT 99.01

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Dean Witter Cornerstone
Fund IV (the "Partnership") on Form 10-K for the period ended
December 31, 2002 as filed with the Securities and Exchange
Commission on the date hereof (the "Report"), I, Jeffrey A.
Rothman, President, Demeter Management Corporation, general
partner of the Partnership, certify, pursuant to 18 U.S.C. Section
1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act
of 2002, that:
(1) The Report fully complies with the requirements of Section 13
or 15(d) of the Securities Exchange Act of 1934; and
(2) The information contained in the Report fairly presents, in
all material respects, the financial condition and results of
operations of the Partnership.

By: /s/ Jeffrey A. Rothman

Name: Jeffrey A. Rothman
Title: President

Date: March 31, 2003

EXHIBIT 99.02

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Dean Witter Cornerstone
Fund IV (the "Partnership") on Form 10-K for the period ended
December 31, 2002 as filed with the Securities and Exchange
Commission on the date hereof (the "Report"), I, Jeffrey D. Hahn,
Chief Financial Officer, Demeter Management Corporation, general
partner of the Partnership, certify, pursuant to 18 U.S.C. Section
1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act
of 2002, that:
(1) The Report fully complies with the requirements of Section 13
or 15(d) of the Securities Exchange Act of 1934; and
(2) The information contained in the Report fairly presents, in
all material respects, the financial condition and results of
operations of the Partnership.

By: /s/ Jeffrey D. Hahn

Name: Jeffrey D. Hahn
Title: Chief Financial Officer

Date: March 31, 2003

Cornerstone
Funds

December 31, 2002
Annual Report

[LOGO] Morgan Stanley

DEAN WITTER CORNERSTONE FUNDS

HISTORICAL FUND PERFORMANCE

Presented below is the percentage change in Net Asset Value per Unit from the
start of each calendar year each Fund has traded. Also provided is the
inception-to-date return and the annualized return since inception for each
Fund. Past performance is not necessarily indicative of future results.

1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002
FUND % % % % % % % % % % % % % % % % % %
- ---------------------------------------------------------------------------------------------------------------------------

Cornerstone Fund
II............. 20.1 (17.5) 71.6 0.1 (15.1) 47.9 11.0 (1.3) 7.8 (8.9) 26.5 11.5 18.0 12.5 (5.4) 11.5 (1.3) 13.8
- ---------------------------------------------------------------------------------------------------------------------------
Cornerstone Fund
III............ 54.6 (8.0) 32.5 19.4 (11.4) 18.8 12.0 (11.1) (4.8) (10.0) 27.5 8.2 10.2 9.1 (6.8) (0.3) 0.3 17.9
- ---------------------------------------------------------------------------------------------------------------------------
Cornerstone Fund
IV............. -- -- 10.6 37.5 (14.1) 57.8 33.5 10.4 (9.1) (14.3) 23.0 13.0 38.4 6.7 (1.1) 14.7 15.9 12.3
(8 mos.)
- ---------------------------------------------------------------------------------------------------------------------------

INCEPTION-
TO-DATE ANNUALIZED
RETURN RETURN
FUND % %
- --------------------------------------

Cornerstone Fund
II............. 409.1 9.5
- --------------------------------------
Cornerstone Fund
III............ 268.4 7.5
- --------------------------------------
Cornerstone Fund
IV............. 617.5 13.4

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

DEMETER MANAGEMENT CORPORATION

825 Third Avenue, 9th Floor
New York, NY 10022
Telephone (212) 310-6444

DEAN WITTER CORNERSTONE FUNDS
ANNUAL REPORT
2002

Dear Limited Partner:

This marks the eighteenth annual report for Cornerstone Funds II and III and
the sixteenth for Cornerstone Fund IV. The Net Asset Value per Unit for each of
the three Cornerstone Funds on December 31, 2002 was as follows:

% CHANGE
FUNDS N.A.V. FOR 2002
---------------------------------------

Cornerstone Fund II $4,963.25 13.8%
---------------------------------------
Cornerstone Fund III $3,592.21 17.9%
---------------------------------------
Cornerstone Fund IV $6,995.32 12.3%
---------------------------------------

Since their inception in 1985, Cornerstone Funds II and III have increased by
409.1% (a compound annualized return of 9.5%) and 268.4% ( a compound
annualized return of 7.5%), respectively. Since its inception in 1987,
Cornerstone Fund IV has increased by 617.5% ( a compound annualized return of
13.4%).

Detailed performance information for each Fund is located in the body of the
financial report. For each Fund, we provide a trading results by sector chart
that portrays trading gains and trading losses for the year in each sector in
which the Fund participates. In the case of Cornerstone Fund IV, we provide the
trading gains and trading losses for the five major currencies in which the
Fund participates, and composite information for all other "minor" currencies
traded within the Fund.

The trading results by sector charts indicate the year's composite percentage
returns generated by the specific assets dedicated to trading within each
market sector in which each Fund participates. Please note that there is not an
equal amount of assets in each market sector, and the specific allocations of
assets by a Fund to each sector will vary over time within a predetermined
range. Below each chart is a description of the factors that influenced trading
gains and trading losses within each Fund during the previous year.

Special Notice to Limited Partners of Dean Witter Cornerstone Fund III

Limited Partners of Dean Witter Cornerstone Fund III ("Cornerstone Fund III")
are advised that Demeter Management

Corporation, the general partner of Cornerstone Fund III, has determined to
terminate Welton Investment Corporation as a trading manager to the fund,
effective December 31, 2002. As of December 31, 2002, Welton Investment
Corporation was managing approximately $9.4 million (approximately 33.7%) of
the net assets of Cornerstone Fund III. Commencing January 1, 2003, the net
assets previously traded by Welton Investment Corporation will be traded by
Graham Capital Management, L.P. ("Graham") pursuant to its Global Diversified
Program at 150% Leverage. Graham has agreed to manage its allocated portion of
Cornerstone Fund III's net assets pursuant to the same fee structure, including
management fee and annual netted incentive fee, as that previously paid to
Welton Investment Corporation.

The Global Diversified Program utilizes multiple computerized trading models
designed to participate in the potential profit opportunities during sustained
price trends in approximately 80 global markets. This program features broad
diversification in both financial and non-financial markets. The strategies
that are utilized are primarily long-term in nature and are intended to
generate significant returns over time with an acceptable degree of risk and
volatility. The computer models on a daily basis analyze the recent price
action, the relative strength, and the risk characteristics of each market and
compare statistically the quantitative results of this data to years of
historical data on each market. The Global Diversified Program will normally
have weightings of approximately 25% in futures contracts based on short-term
and long-term global interest rates (including U.S. and foreign bonds, notes
and eurodollars), 25% in currency forwards (including major and minor
currencies), 17% in stock index futures (including all major indices), 16% in
softs and agricultural futures (including grains, meats and softs), 7% in metal
futures (including gold, aluminum and copper), and 10% in energy futures
(including crude oil and natural gas). The actual weighting and leverage used
in each market will change over time due to liquidity, price action, and risk
considerations. Graham rebalances the weighting of each market in the portfolio
on a monthly basis so as to maintain, on a volatility and risk-adjusted basis,
consistent exposure to each market over time.

Margin requirements with respect to the Global Diversified Program at
standard leverage are expected to average about 15% to 20% of equity for
accounts traded by Graham; thus, Graham expects the margin requirements for the
net assets traded on behalf of Cornerstone Fund III over time to average about
20% to 30%. Increased leverage will alter risk exposure and may lead to greater
profits and losses and trading volatility.

As of December 31, 2002, Graham was managing approximately $221 million of
funds in the Global Diversified Program

and approximately $2.02 billion of assets in all of its trading programs.

Past Performance of Graham's Global Diversified Program at 150% Leverage

Set forth below is the past performance history of Graham's Global
Diversified Program at 150% Leverage. The footnotes following the capsule
performance summary are an integral part of the capsule.

You are cautioned that the information set forth in the following capsule
performance summary is not necessarily indicative of, and may have no bearing
on, any trading results that may be attained by Graham or Cornerstone Fund III
in the future, since past results are not a guarantee of future results. There
can be no assurance that Graham or Cornerstone Fund III will make any profits
at all, or will be able to avoid incurring substantial losses. You should note
that the composite performance information presented below includes individual
accounts which, even though traded pursuant to the same investment program,
have materially different rates of return, and does not reflect the effect of
fees identical to those paid by Cornerstone Fund III, including management,
incentive, and brokerage fees. You should also note that interest income may
constitute a significant portion of a commodity pool's total income and, in
certain instances, may generate profits where there have been realized or
unrealized losses from commodity trading.

GRAHAM CAPITAL MANAGEMENT, L.P.
GLOBAL DIVERSIFIED PROGRAM AT 150% LEVERAGE

Name of commodity trading advisor: Graham Capital Management, L.P.
Name of program: Global Diversified Program at 150% Leverage
Inception of trading by commodity trading advisor: February 1995
Inception of trading in program: May 1997
Number of open accounts: 9
Aggregate assets overall: $2,020,000,000
Aggregate assets in program: $221,000,000
Largest monthly drawdown: (15.77)%--(November 2001)
Worst peak-to-valley drawdown: (24.27)%--(November 2001-April 2002)
2002 annual return: 32.54%
2001 annual return: 12.16%
2000 annual return: 24.33%
1999 annual return: 6.17%
1998 annual return: 17.00%
1997 annual return (8 months): 11.56%

PAST PERFORMANCE IS NOT NECESSARILY INDICATIVE OF FUTURE RESULTS.

Footnotes

"Inception of trading by commodity trading advisor" is the date on which
Graham began trading client accounts.

"Inception of trading in program" is the date on which Graham began trading
client accounts pursuant to the program shown.

"Number of open accounts" is the number of accounts directed by Graham
pursuant to the program shown as of December 31, 2002.

"Aggregate assets overall" is the aggregate amount of assets in
non-proprietary accounts under the management of Graham as of December 31,
2002.

"Aggregate assets in program" is the aggregate amount of assets in the
program specified as of December 31, 2002.

"Drawdown" means losses experienced by the trading program over a specified
period. A small number of accounts in the portfolio composites have
experienced monthly drawdowns and peak-to-valley drawdowns that are
materially larger than the largest composite monthly drawdown and
peak-to-valley drawdown. These variances result from factors such as small
account size (i.e., accounts with net assets of less than the prescribed
portfolio minimum, which therefore trade fewer contracts than the standard
portfolio), intra-month account opening or closing, significant intra-month
additions or withdrawals, and investment restrictions imposed by the client.
"Largest monthly drawdown" means the greatest percentage decline in net
asset value due to losses sustained by the trading program from the
beginning to the end of a calendar month during the most recent five
calendar years.

"Worst peak-to-valley drawdown" means greatest cumulative percentage decline
in month-end net asset value of the trading program due to losses sustained
during a period in which the initial month-end net asset value of the
trading program is not equaled or exceeded by a subsequent month-end net
asset value of the trading program during the most recent five calendar
years.

"Compound annual and year-to-date/period rate of return" presented in the
composite performance capsules are calculated based on the
"Fully-Funded-Subset" method, as prescribed by the Commodity Futures Trading
Commission. The rate of return is calculated by dividing the sum of net
performance of the qualifying Fully-Funded Subset by

the beginning net assets of the qualifying Fully-Funded Subset, except in
periods of significant additions or withdrawals to the accounts in the
qualifying Fully-Funded Subset. In such instances, the Fully-Funded Subset
is adjusted to exclude accounts with significant additions or withdrawals
that would materially distort the rate of return pursuant to the
Fully-Funded Subset method. Returns are then compounded to arrive at the
year-to-date rate of return.

Limited Partners of Cornerstone Fund III are reminded of their voting rights
contained in Section 17 of the Limited Partnership Agreement on page A-16 of
the prospectus.

Limited Partners are advised that Demeter Management Corporation, the general
partner to each fund, may withdraw any portion of its excess capital
contribution to a Fund at respective monthly closings to be held between March
31, 2003 and December 31, 2003, pursuant to the provisions of Section 7 of each
Fund's Limited Partnership Agreement.

Should you have any questions concerning this report, please feel free to
contact Demeter Management Corporation, 825 Third Avenue, 9th Floor, New York,
NY 10022 or your Morgan Stanley Financial Advisor.

I hereby affirm, that to the best of my knowledge and belief, the information
contained in this report is accurate and complete. Past performance is not a
guarantee of future results.

Sincerely,
/s/ Jeffrey A. Rothman
Jeffrey A. Rothman
President
Demeter Management Corporation
General Partner

CORNERSTONE FUND II

[CHART]

Year ended
December 31, 2002
-----------------
Currencies 11.78%
Interest Rates 2.15%
Stock Indices -0.28%
Energies 0.84%
Metals -1.15%
Agriculturals -2.01%

Note: Includes trading results and commissions but does not include other fees
or interest income.

FACTORS INFLUENCING ANNUAL TRADING GAINS:
.. In the currency markets, gains were recorded from long positions in the
euro, Norwegian krone, and Swiss franc relative to the U.S. dollar as the
value of the dollar weakened during the second quarter, as well as in
December, amid investors' fears concerning increased tensions in the Middle
East and prolonged uncertainty regarding the U.S. economy. Additional
currency gains were recorded from long positions in the Australian dollar
and South African rand versus the U.S. dollar as the value of both
currencies strengthened amid rising gold prices.
.. In the global interest rate futures markets, gains were recorded from long
positions in Japanese interest rate futures as prices trended higher during
the second and third quarter amid continued uncertainty regarding a Japanese
economic recovery.
.. In the energy futures markets, gains were generated from long futures
positions in natural gas during March, August, September, and December as
prices trended higher on supply concerns and weather related factors.

FACTORS INFLUENCING ANNUAL TRADING LOSSES:
.. In the agricultural futures, losses were recorded from positions in sugar
and coffee futures as prices moved erratically throughout most of the year.
Additional losses were incurred from long positions in cotton futures as
prices moved without consistent direction during the first and third quarter
amid shifting supply and demand concerns.
.. In the metals futures markets, losses were recorded from positions in copper
and aluminum futures as an uncertain economic outlook resulted in trendless
price activity among industrial metals throughout most of the year.

CORNERSTONE FUND III

[CHART]

Year ended
December 31, 2002
-----------------
Currencies 2.31%
Interest Rates 15.57%
Stock Indices -2.74%
Energies -5.32%
Metals -2.64%
Agriculturals -1.98%

Note: Includes trading results and commissions but does not include other fees
or interest income.

FACTORS INFLUENCING ANNUAL TRADING GAINS:
.. In the global interest rate futures markets, gains were recorded from long
positions in U.S., Japanese, and European interest rate futures as prices
trended higher during the second and third quarter, as well as in December,
amid continued uncertainty in the equity markets and negative economic data.
.. In the currency markets, gains were recorded from long positions in the euro
and Swiss franc relative to the U.S. dollar as the value of the dollar
weakened during the second quarter, as well as in December, amid investors'
fears concerning increased tensions in the Middle East and prolonged
uncertainty regarding the U.S. economy.
FACTORS INFLUENCING ANNUAL TRADING LOSSES:
.. In the energy futures markets, losses were recorded from long positions in
crude oil futures as prices reversed temporarily lower during April and
October amid the potential for reduced tensions between the U.S. and Iraq.
Additional losses were recorded from short crude oil futures positions
during December as prices rose on heightened tensions with Iraq and
continued labor unrest in Venezuela.
.. In the global stock index futures markets, losses were experienced from long
positions in U.S. and Japanese stock index futures during January and
February as prices experienced a short-lived upward move amid hopes for a
global economy recovery, only to retreat later in the year, specifically in
March and July, amid a flurry of geopolitical concerns and continued
economic uncertainty.
.. In the metals futures markets, losses were recorded from positions in
aluminum and copper futures as an uncertain economic outlook resulted in
trendless price activity among industrial metals throughout most of the year.

CORNERSTONE FUND IV

[CHART]

Year ended
December 31, 2002
-----------------
Australian dollar 4.06%
British pound -9.63%
Euro 16.03%
Japanese yen -8.43%
Swiss franc 4.91%
Minor Currencies 11.95%

Note: Includes trading results and commissions but does not include other fees
or interest income.

Minor currencies may include, but are not limited to, the South African
rand, Thai baht, Greek drachma, Singapore dollar, Mexican peso, New
Zealand dollar and Norwegian krone.

FACTORS INFLUENCING ANNUAL TRADING GAINS:
.. Gains were recorded from long positions in the euro, Swiss franc, and
Norwegian krone versus the U.S. dollar as the dollar's value significantly
weakened during April, May, and June amid falling equity prices and concerns
regarding corporate integrity. Additional gains from long positions in the
euro, Swiss franc, and Norwegian krone were experienced in December as the
looming threat of a potential military conflict with Iraq and North Korea
further weakened the dollar.
.. Additional gains stemmed from long positions in the South African rand
versus the U.S. dollar as its value approached a 16-month high during the
second and fourth quarter amid strong demand for South African exports and
high relative interest rates.
.. Profits were recorded from long positions in the Australian dollar and New
Zealand dollar versus the U.S. dollar, as the value of both currencies
strengthened during April, May, and throughout the fourth quarter amid
higher gold prices.

FACTORS INFLUENCING ANNUAL TRADING LOSSES:
.. Losses were recorded in the British pound from short positions versus the
U.S. dollar during the summer months and into the fourth quarter as the
value of the dollar weakened amid geopolitical and economic concerns.
.. Losses resulted from positions in the Japanese yen versus the U.S. dollar
during March as the yen initially strengthened amid asset repatriation out
of the U.S. into Japan, only to retreat by month-end on expectations that
the repatriation flow would soon subside ahead of the Japanese fiscal
year-end. Further losses in the Japanese yen were experienced in December
from short positions versus the U.S. dollar as the value of the dollar
weakened versus most major currencies.

DEAN WITTER CORNERSTONE FUNDS

INDEPENDENT AUDITORS' REPORT

To the Limited Partners and the General Partner of Dean Witter Cornerstone Fund
II
Dean Witter Cornerstone Fund III
Dean Witter Cornerstone Fund IV:

We have audited the accompanying statements of financial condition of Dean
Witter Cornerstone Fund II, Dean Witter Cornerstone Fund III and Dean Witter
Cornerstone Fund IV (collectively, the "Partnerships"), including the schedules
of investments, as of December 31, 2002 and 2001, and the related statements of
operations, changes in partners' capital, and cash flows for each of the three
years in the period ended December 31, 2002. These financial statements are the
responsibility of the Partnerships' management. Our responsibility is to
express an opinion on these financial statements based on our audits.

We conducted our audits in accordance with auditing standards generally
accepted in the United States of America. Those standards require that we plan
and perform the audit to obtain reasonable assurance about whether the
financial statements are free of material misstatement. An audit includes
examining, on a test basis, evidence supporting the amounts and disclosures in
the financial statements. An audit also includes assessing the accounting
principles used and significant estimates made by management, as well as
evaluating the overall financial statement presentation. We believe that our
audits provide a reasonable basis for our opinion.

In our opinion, such financial statements present fairly, in all material
respects, the financial position of Dean Witter Cornerstone Fund II, Dean
Witter Cornerstone Fund III and Dean Witter Cornerstone Fund IV at December 31,
2002 and 2001, and the results of their operations and their cash flows for
each of the three years in the period ended December 31, 2002 in conformity
with accounting principles generally accepted in the United States of America.

/s/ Deloitte & Touche LLP

New York, New York
February 14, 2003

DEAN WITTER CORNERSTONE FUND II

STATEMENTS OF FINANCIAL CONDITION

DECEMBER 31,
---------------------
2002 2001
---------- ----------
$ $

ASSETS
Equity in futures interests trading accounts:
Cash 21,702,438 21,315,776

Net unrealized gain on open contracts (MS&Co.) 1,627,315 1,675,664
Net unrealized gain (loss) on open contracts (MSIL) 423,825 (136,148)
---------- ----------
Total net unrealized gain on open contracts 2,051,140 1,539,516
---------- ----------
Total Trading Equity 23,753,578 22,855,292
Due from Morgan Stanley DW 107,236 53,920
Interest receivable (Morgan Stanley DW) 18,316 25,562
---------- ----------
Total Assets 23,879,130 22,934,774
========== ==========

LIABILITIES AND PARTNERS' CAPITAL

LIABILITIES
Redemptions payable 236,692 121,671
Accrued management fees 69,501 66,751
Accrued administrative expenses 50,546 48,616
Accrued incentive fee 40,483 --
---------- ----------
Total Liabilities 397,222 237,038
---------- ----------
PARTNERS' CAPITAL
Limited Partners (4,613.758 and 5,088.041
Units, respectively) 22,899,223 22,185,827
General Partner (117.400 Units) 582,685 511,909
---------- ----------
Total Partners' Capital 23,481,908 22,697,736
---------- ----------
Total Liabilities and Partners' Capital 23,879,130 22,934,774
========== ==========
NET ASSET VALUE PER UNIT 4,963.25 4,360.39
========== ==========

STATEMENTS OF OPERATIONS

FOR THE YEARS ENDED DECEMBER 31,
-------------------------------
2002 2001 2000
--------- ---------- ---------
$ $ $

REVENUES
Trading profit (loss):
Realized 4,300,258 2,978,000 1,734,937
Net change in unrealized 511,624 (1,728,062) 2,111,163
--------- ---------- ---------
4,811,882 1,249,938 3,846,100
Proceeds from Litigation Settlement 76,613 -- --
--------- ---------- ---------
Total Trading Results 4,888,495 1,249,938 3,846,100
Interest income (Morgan Stanley DW) 292,709 648,456 1,117,777
--------- ---------- ---------
Total 5,181,204 1,898,394 4,963,877
--------- ---------- ---------
EXPENSES
Brokerage commissions
(Morgan Stanley DW) 1,196,563 1,279,146 1,361,674
Management fees 798,116 816,137 946,410
Transaction fees and costs 133,591 115,808 124,990
Common administrative expenses 59,809 46,155 40,256
Incentive fee 41,877 -- --
--------- ---------- ---------
Total 2,229,956 2,257,246 2,473,330
--------- ---------- ---------
NET INCOME (LOSS) 2,951,248 (358,852) 2,490,547
========= ========== =========
NET INCOME (LOSS) ALLOCATION:
Limited Partners 2,880,472 (351,955) 2,437,217
General Partner 70,776 (6,897) 53,330
NET INCOME (LOSS) PER UNIT:
Limited Partners 602.86 (58.74) 454.26
General Partner 602.86 (58.74) 454.26

The accompanying notes are an integral part of these financial statements.

DEAN WITTER CORNERSTONE FUND III

STATEMENTS OF FINANCIAL CONDITION

DECEMBER 31,
----------------------
2002 2001
---------- ----------
$ $

ASSETS
Equity in futures interests trading accounts:
Cash 26,372,589 26,471,514

Net unrealized gain on open contracts (MS&Co.) 1,996,397 740,177
Net unrealized loss on open contracts (MSIL) (443,790) (667,609)
---------- ----------
Total net unrealized gain on open contracts 1,552,607 72,568
Net option premiums -- (23,122)
---------- ----------
Total Trading Equity 27,925,196 26,520,960
Due from Morgan Stanley DW 264,529 133,570
Interest receivable (Morgan Stanley DW) 21,594 30,494
---------- ----------
Total Assets 28,211,319 26,685,024
========== ==========

LIABILITIES AND PARTNERS' CAPITAL

LIABILITIES
Accrued administrative expenses 145,017 142,296
Redemptions payable 144,217 171,251
Accrued management fees 81,861 77,416
---------- ----------
Total Liabilities 371,095 390,963
---------- ----------
PARTNERS' CAPITAL
Limited Partners (7,608.072 and 8,490.681
Units, respectively) 27,329,760 25,861,238
General Partner (142.103 Units) 510,464 432,823
---------- ----------
Total Partners' Capital 27,840,224 26,294,061
---------- ----------
Total Liabilities and Partners' Capital 28,211,319 26,685,024
========== ==========
NET ASSET VALUE PER UNIT 3,592.21 3,045.84
========== ==========

STATEMENTS OF OPERATIONS

FOR THE YEARS ENDED DECEMBER 31,
--------------------------------
2002 2001 2000
--------- ---------- ----------
$ $ $

REVENUES
Trading profit (loss):
Realized 2,266,403 5,761,442 (1,348,698)
Net change in unrealized 1,480,039 (3,780,263) 2,427,220
--------- ---------- ----------
3,746,442 1,981,179 1,078,522
Proceeds from Litigation Settlement 2,842,492 -- --
--------- ---------- ----------
Total Trading Results 6,588,934 1,981,179 1,078,522
Interest income (Morgan Stanley DW) 337,401 773,760 1,343,823
--------- ---------- ----------
Total 6,926,335 2,754,939 2,422,345
--------- ---------- ----------
EXPENSES
Brokerage commissions
(Morgan Stanley DW) 1,386,685 1,453,337 1,554,203
Management fees 903,361 978,766 1,128,381
Transaction fees and costs 177,181 134,490 93,403
Common administrative expenses 98,459 76,385 66,352
--------- ---------- ----------
Total 2,565,686 2,642,978 2,842,339
--------- ---------- ----------
NET INCOME (LOSS) 4,360,649 111,961 (419,994)
========= ========== ==========
NET INCOME (LOSS) ALLOCATION:
Limited Partners 4,283,008 110,780 (418,871)
General Partner 77,641 1,181 (1,123)
NET INCOME (LOSS) PER UNIT:
Limited Partners 546.37 8.31 (7.90)
General Partner 546.37 8.31 (7.90)

The accompanying notes are an integral part of these financial statements.

DEAN WITTER CORNERSTONE FUND IV

STATEMENTS OF FINANCIAL CONDITION

DECEMBER 31,
-----------------------
2002 2001
----------- -----------
$ $

ASSETS
Equity in futures interests trading accounts:
Cash 103,560,309 101,084,842
Net unrealized gain on open contracts
(MS&Co.) 6,834,888 7,783,366
----------- -----------
Total Trading Equity 110,395,197 108,868,208
Interest receivable (Morgan Stanley DW) 80,149 108,781
----------- -----------
Total Assets 110,475,346 108,976,989
=========== ===========

LIABILITIES AND PARTNERS' CAPITAL
LIABILITIES
Accrued incentive fees 1,500,021 1,351,817
Redemptions payable 642,547 533,976
Accrued management fees 321,727 317,372
Accrued administrative expenses 169,156 163,799
----------- -----------
Total Liabilities 2,633,451 2,366,964
----------- -----------
PARTNERS' CAPITAL
Limited Partners (15,202.402 and 16,901.387
Units, respectively) 106,345,673 105,277,723
General Partner (213.889 Units) 1,496,222 1,332,302
----------- -----------
Total Partners' Capital 107,841,895 106,610,025
----------- -----------
Total Liabilities and Partners' Capital 110,475,346 108,976,989
=========== ===========
NET ASSET VALUE PER UNIT 6,995.32 6,228.94
=========== ===========

STATEMENTS OF OPERATIONS

FOR THE YEARS ENDED DECEMBER 31,
---------------------------------
2002 2001 2000
---------- ---------- ----------
$ $ $

REVENUES
Trading profit (loss):
Realized 20,928,554 16,761,382 12,978,051
Net change in unrealized (948,478) 3,787,359 3,714,497
---------- ---------- ----------
Total Trading Results 19,980,076 20,548,741 16,692,548
Interest income (Morgan Stanley DW) 1,290,361 2,669,364 4,492,710
---------- ---------- ----------
Total 21,270,437 23,218,105 21,185,258
---------- ---------- ----------
EXPENSES
Management fees 3,640,869 3,482,595 3,929,070
Brokerage commissions
(Morgan Stanley DW) 3,568,609 2,563,321 2,755,463
Incentive fees 1,886,229 2,152,705 843,220
Common administrative expenses 195,738 151,459 132,392
Transaction fees and costs -- -- 50,557
---------- ---------- ----------
Total 9,291,445 8,350,080 7,710,702
---------- ---------- ----------
NET INCOME 11,978,992 14,868,025 13,474,556
========== ========== ==========
NET INCOME ALLOCATION:
Limited Partners 11,815,072 14,685,095 13,324,073
General Partner 163,920 182,930 150,483
NET INCOME PER UNIT:
Limited Partners 766.38 855.25 690.27
General Partner 766.38 855.25 690.27

The accompanying notes are an integral part of these financial statements.

DEAN WITTER CORNERSTONE FUND II

STATEMENTS OF CHANGES IN PARTNERS' CAPITAL

FOR THE YEARS ENDED DECEMBER 31, 2002, 2001 AND 2000

UNITS OF
PARTNERSHIP LIMITED GENERAL
INTEREST PARTNERS PARTNER TOTAL
----------- ---------- ------- ----------
$ $ $

Partners' Capital,
December 31, 1999 6,736.406 26,243,505 465,476 26,708,981
Offering of Units 2.369 9,330 -- 9,330
Net income -- 2,437,217 53,330 2,490,547
Redemptions (1,152.227) (4,521,167) -- (4,521,167)
---------- ---------- ------- ----------
Partners' Capital,
December 31, 2000 5,586.548 24,168,885 518,806 24,687,691
Net loss -- (351,955) (6,897) (358,852)
Redemptions (381.107) (1,631,103) -- (1,631,103)
---------- ---------- ------- ----------
Partners' Capital,
December 31, 2001 5,205.441 22,185,827 511,909 22,697,736
Net income -- 2,880,472 70,776 2,951,248
Redemptions (474.283) (2,167,076) -- (2,167,076)
---------- ---------- ------- ----------
Partners' Capital,
December 31, 2002 4,731.158 22,899,223 582,685 23,481,908
========== ========== ======= ==========

DEAN WITTER CORNERSTONE FUND III

STATEMENTS OF CHANGES IN PARTNERS' CAPITAL

FOR THE YEARS ENDED DECEMBER 31, 2002, 2001 AND 2000

UNITS OF
PARTNERSHIP LIMITED GENERAL
INTEREST PARTNERS PARTNER TOTAL
----------- ---------- ------- ----------
$ $ $
Partners' Capital,
December 31, 1999 10,978.222 33,000,637 432,765 33,433,402
Net loss -- (418,871) (1,123) (419,994)
Redemptions (1,631.448) (4,622,343) -- (4,622,343)
---------- ---------- ------- ----------
Partners' Capital,
December 31, 2000 9,346.774 27,959,423 431,642 28,391,065
Net income -- 110,780 1,181 111,961
Redemptions (713.990) (2,208,965) -- (2,208,965)
---------- ---------- ------- ----------
Partners' Capital,
December 31, 2001 8,632.784 25,861,238 432,823 26,294,061
Net income -- 4,283,008 77,641 4,360,649
Redemptions (882.609) (2,814,486) -- (2,814,486)
---------- ---------- ------- ----------
Partners' Capital,
December 31, 2002 7,750.175 27,329,760 510,464 27,840,224
========== ========== ======= ==========

The accompanying notes are an integral part of these financial statements.

DEAN WITTER CORNERSTONE FUND IV

STATEMENTS OF CHANGES IN PARTNERS' CAPITAL

FOR THE YEARS ENDED DECEMBER 31, 2002, 2001 AND 2000

UNITS OF
PARTNERSHIP LIMITED GENERAL
INTEREST PARTNERS PARTNER TOTAL
----------- ----------- --------- -----------
$ $ $

Partners' Capital,
December 31, 1999 21,987.255 101,716,331 1,259,322 102,975,653
Offering of Units 6.161 29,469 -- 29,469
Net income -- 13,324,073 150,483 13,474,556
Redemptions (3,455.202) (16,600,690) (260,433) (16,861,123)
---------- ----------- --------- -----------
Partners' Capital,
December 31, 2000 18,538.214 98,469,183 1,149,372 99,618,555
Net income -- 14,685,095 182,930 14,868,025
Redemptions (1,422.938) (7,876,555) -- (7,876,555)
---------- ----------- --------- -----------
Partners' Capital,
December 31, 2001 17,115.276 105,277,723 1,332,302 106,610,025
Net income -- 11,815,072 163,920 11,978,992
Redemptions (1,698.985) (10,747,122) -- (10,747,122)
---------- ----------- --------- -----------
Partners' Capital,
December 31, 2002 15,416.291 106,345,673 1,496,222 107,841,895
========== =========== ========= ===========

The accompanying notes are an integral part of these financial statements.

DEAN WITTER CORNERSTONE FUND II

STATEMENTS OF CASH FLOWS

FOR THE YEARS ENDED DECEMBER 31,
----------------------------------
2002 2001 2000
---------- ---------- ----------
$ $ $

CASH FLOWS FROM
OPERATING ACTIVITIES
Net income (loss) 2,951,248 (358,852) 2,490,547
Noncash item included in
net income (loss):
Net change in unrealized (511,624) 1,728,062 (2,111,163)
(Increase) decrease in operating
assets:
Due from Morgan Stanley
DW (53,316) (32,602) (9,603)
Interest receivable
(Morgan Stanley DW) 7,246 67,028 2,174
Increase (decrease) in operating
liabilities:
Accrued management fees 2,750 (6,524) (16,506)
Accrued administrative
expenses 1,930 21,771 (16,093)
Accrued incentive fee 40,483 -- --
---------- ---------- ----------
Net cash provided by operating
activities 2,438,717 1,418,883 339,356
---------- ---------- ----------
CASH FLOWS FROM
FINANCING ACTIVITIES
Offering of Units -- -- 9,330
Increase (decrease) in
redemptions payable 115,021 (240,275) 136,664
Redemptions of Units (2,167,076) (1,631,103) (4,521,167)
---------- ---------- ----------
Net cash used for financing
activities (2,052,055) (1,871,378) (4,375,173)
---------- ---------- ----------
Net increase (decrease) in cash 386,662 (452,495) (4,035,817)

Balance at beginning of period 21,315,776 21,768,271 25,804,088
---------- ---------- ----------

Balance at end of period 21,702,438 21,315,776 21,768,271
========== ========== ==========

The accompanying notes are an integral part of these financial statements.

DEAN WITTER CORNERSTONE FUND III

STATEMENTS OF CASH FLOWS

FOR THE YEARS ENDED DECEMBER 31,
----------------------------------
2002 2001 2000
---------- ---------- ----------
$ $ $

CASH FLOWS FROM
OPERATING ACTIVITIES
Net income (loss) 4,360,649 111,961 (419,994)
Noncash item included in net
income (loss):
Net change in unrealized (1,480,039) 3,780,263 (2,427,220)
(Increase) decrease in operating
assets:
Net option premiums (23,122) (9,300) 350,703
Due from Morgan Stanley DW (130,959) (94,885) (38,685)
Interest receivable
(Morgan Stanley DW) 8,900 75,489 10,082
Increase (decrease) in operating
liabilities:
Accrued administrative expenses 2,721 36,117 (32,482)
Accrued management fees 4,445 (6,471) (29,037)
---------- ---------- ----------
Net cash provided by (used for)
operating activities 2,742,595 3,893,174 (2,586,633)
---------- ---------- ----------
CASH FLOWS FROM
FINANCING ACTIVITIES
Decrease in redemptions payable (27,034) (115,008) (157,499)
Redemptions of Units (2,814,486) (2,208,965) (4,622,343)
---------- ---------- ----------
Net cash used for financing activities (2,841,520) (2,323,973) (4,779,842)
---------- ---------- ----------

Net increase (decrease) in cash (98,925) 1,569,201 (7,366,475)

Balance at beginning of period 26,471,514 24,902,313 32,268,788
---------- ---------- ----------
Balance at end of period 26,372,589 26,471,514 24,902,313
========== ========== ==========

The accompanying notes are an integral part of these financial statements.

DEAN WITTER CORNERSTONE FUND IV

STATEMENTS OF CASH FLOWS

FOR THE YEARS ENDED DECEMBER 31,
-------------------------------------
2002 2001 2000
----------- ----------- -----------
$ $ $

CASH FLOWS FROM
OPERATING ACTIVITIES
Net income 11,978,992 14,868,025 13,474,556
Noncash item included in net
income:
Net change in unrealized 948,478 (3,787,359) (3,714,497)
(Increase) decrease in operating
assets:
Interest receivable (Morgan
Stanley DW) 28,632 266,959 (18,220)
Increase (decrease) in operating
liabilities:
Accrued incentive fees 148,204 509,200 842,617
Accrued management fees 4,355 18,696 (48,662)
Accrued administrative expenses 5,357 71,662 (53,676)
----------- ----------- -----------
Net cash provided by operating
activities 13,114,018 11,947,183 10,482,118
----------- ----------- -----------
CASH FLOWS FROM
FINANCING ACTIVITIES
Offering of Units -- -- 29,469
Increase (decrease) in redemptions
payable 108,571 (1,109,566) 417,652
Redemptions of Units (10,747,122) (7,876,555) (16,861,123)
----------- ----------- -----------
Net cash used for financing
activities (10,638,551) (8,986,121) (16,414,002)
----------- ----------- -----------

Net increase (decrease) in cash 2,475,467 2,961,062 (5,931,884)

Balance at beginning of period 101,084,842 98,123,780 104,055,664
----------- ----------- -----------
Balance at end of period 103,560,309 101,084,842 98,123,780
=========== =========== ===========

The accompanying notes are an integral part of these financial statements.

DEAN WITTER CORNERSTONE II

SCHEDULES OF INVESTMENTS

DECEMBER 31, 2002 AND 2001

FUTURES AND FORWARD CONTRACTS: LONG GAIN/(LOSS) SHORT GAIN/(LOSS) NET UNREALIZED GAIN/(LOSS)
- ------------------------------ ---------------- ----------------- --------------------------
2002 PARTNERSHIP NET ASSETS: $23,481,908 $ $ $

Foreign currency 1,015,521 285 1,015,806
Commodity 450,244 158,752 608,996
Interest rate 344,456 (166,859) 177,597
Equity (97,829) 80,749 (17,080)
--------- --------- ---------
Grand Total: 1,712,392 72,927 1,785,319
========= =========
Unrealized Currency Gain 265,821
---------
Total Net Unrealized Gain per Statement of Financial Condition 2,051,140
=========

2001 PARTNERSHIP NET ASSETS: $22,697,736
Foreign currency 32,124 1,185,197 1,217,321
Commodity (121,700) (62,513) (184,213)
Interest rate (14,979) 180,371 165,392
Equity 15,154 (725) 14,429
--------- --------- ---------
Grand Total: (89,401) 1,302,330 1,212,929
========= =========
Unrealized Currency Gain 326,587
---------
Total Net Unrealized Gain per Statement of Financial Condition 1,539,516
=========

FUTURES AND FORWARD CONTRACTS: PERCENTAGE OF NET ASSETS # OF CONTRACTS/NOTIONAL AMOUNTS
- ------------------------------ ------------------------ -------------------------------
2002 PARTNERSHIP NET ASSETS: $23,481,908 %

Foreign currency 4.32 504,828,717
Commodity 2.59 668
Interest rate 0.76 437
Equity (0.07) 122
-----
Grand Total: 7.60
=====
Unrealized Currency Gain

Total Net Unrealized Gain per Statement of Financial Condition

2001 PARTNERSHIP NET ASSETS: $22,697,736
Foreign currency 5.36* 2,668,590,441
Commodity (0.81) 605
Interest rate 0.73 536
Equity 0.06 69
-----
Grand Total: 5.34
=====
Unrealized Currency Gain

Total Net Unrealized Gain per Statement of Financial Condition

* No single contract's value exceeds 5% of Net Assets.

The accompanying notes are an integral part of these financial statements.

DEAN WITTER CORNERSTONE III

SCHEDULES OF INVESTMENTS

DECEMBER 31, 2002 AND 2001

FUTURES AND FORWARD CONTACTS: LONG GAIN/(LOSS) SHORT GAIN/(LOSS) NET UNREALIZED GAIN/(LOSS)
- ----------------------------- ---------------- ----------------- --------------------------
2002 PARTNERSHIP NET ASSETS: $27,840,224 $ $ $

Foreign currency 1,927,510 (1,063,204) 864,306
Interest rate 1,071,951 (8,694) 1,063,257
Commodity (305,430) (4,875) (310,305)
Equity -- 27,282 27,282
--------- ---------- ---------
Grand Total: 2,694,031 (1,049,491) 1,644,540
========= ==========
Unrealized Currency Loss (91,933)
---------
Total Net Unrealized Gain per Statement of Financial Condition 1,552,607
=========

2001 PARTNERSHIP NET ASSETS: $26,294,061
Foreign currency 336,126 696,943 1,033,069
Interest rate (132,338) (77,123) (209,461)
Commodity (622,136) (104,947) (727,083)
Equity 44,181 (2,450) 41,731
--------- ---------- ---------
Grand Total: (374,167) 512,423 138,256
========= ==========
Unrealized Currency Loss (65,688)
---------
Total Net Unrealized Gain per Statement of Financial Condition 72,568
=========

FUTURES AND FORWARD CONTACTS: PERCENTAGE OF NET ASSETS # OF CONTRACTS/NOTIONAL AMOUNTS
- ----------------------------- ------------------------ -------------------------------
2002 PARTNERSHIP NET ASSETS: $27,840,224 %

Foreign currency 3.10 2,056,042,500
Interest rate 3.82 626
Commodity (1.11) 431
Equity 0.10 16
-----
Grand Total: 5.91
=====
Unrealized Currency Loss

Total Net Unrealized Gain per Statement of Financial Condition

2001 PARTNERSHIP NET ASSETS: $26,294,061
Foreign currency 3.93 2,133,875,197
Interest rate (0.80) 783
Commodity (2.77) 422
Equity 0.16 76
-----
Grand Total: 0.52
=====
Unrealized Currency Loss

Total Net Unrealized Gain per Statement of Financial Condition

The accompanying notes are an integral part of these financial statements.

DEAN WITTER CORNERSTONE IV

SCHEDULES OF INVESTMENTS

DECEMBER 31, 2002 AND 2001

FUTURES AND FORWARD CONTRACTS: LONG GAIN/(LOSS) SHORT GAIN/(LOSS) NET UNREALIZED GAIN/(LOSS)
- ------------------------------ ---------------- ----------------- --------------------------
2002 PARTNERSHIP NET ASSETS: $107,841,895 $ $ $

Foreign currency:
Euro/US dollar Mar. 03 5,843,488 -- 5,843,488
Other 5,698,117 (4,784,058) 914,059
---------- ---------- ---------
Grand Total: 11,541,605 (4,784,058) 6,757,547
========== ==========
Unrealized Currency Gain 77,341
---------
Total Net Unrealized Gain per Statement of Financial Condition 6,834,888
=========

2001 PARTNERSHIP NET ASSETS: $106,610,025
Foreign currency 1,040,742 6,742,624 7,783,366
---------
Total Net Unrealized Gain per Statement of Financial Condition 7,783,366
=========

FUTURES AND FORWARD CONTRACTS: PERCENTAGE OF NET ASSETS NOTIONAL AMOUNTS
- ------------------------------ ------------------------ ----------------
2002 PARTNERSHIP NET ASSETS: $107,841,895 %

Foreign currency:
Euro/US dollar Mar. 03 5.42 172,375,000
Other 0.85 11,897,260,598
----
Grand Total: 6.27
====
Unrealized Currency Gain

Total Net Unrealized Gain per Statement of Financial Condition

2001 PARTNERSHIP NET ASSETS: $106,610,025
Foreign currency 7.30* 16,819,511,884

Total Net Unrealized Gain per Statement of Financial Condition

* No single contract's value exceeds 5% of Net Assets.

The accompanying notes are an integral part of these financial statements.

DEAN WITTER CORNERSTONE FUNDS

NOTES TO FINANCIAL STATEMENTS

- --------------------------------------------------------------------------------
1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

ORGANIZATION. Dean Witter Cornerstone Fund II ("Cornerstone II"), Dean Witter
Cornerstone Fund III ("Cornerstone III"), and Dean Witter Cornerstone Fund IV
("Cornerstone IV") (individually, a "Partnership", or collectively, the
"Partnerships"), are limited partnerships organized to engage in the
speculative trading of futures contracts, options on futures contracts, and
forward contracts on foreign currencies and other commodity interests
(collectively, "futures interests").
The Partnership's general partner is Demeter Management Corporation
("Demeter"). The non-clearing commodity broker is Morgan Stanley DW Inc.
("Morgan Stanley DW"). The clearing commodity brokers are Morgan Stanley & Co.
Incorporated ("MS&Co.") and Morgan Stanley & Co. International Limited
("MSIL"). Demeter, Morgan Stanley DW, MS&Co. and MSIL are wholly-owned
subsidiaries of Morgan Stanley.
Effective June 20, 2002 Morgan Stanley Dean Witter & Co. changed its name to
Morgan Stanley.
Demeter is required to maintain a 1% minimum interest in the equity of each
Partnership and income (losses) are shared by Demeter and the limited partners
based upon their proportional ownership interests.
Effective December 31, 2002 Welton Investment Corporation was terminated as a
trading manager of Cornerstone III and was replaced by Graham Capital
Management, L.P. effective January 1, 2003.

USE OF ESTIMATES. The financial statements are prepared in accordance with
accounting principles generally accepted in the United States of America, which
require management to make estimates and assumptions that affect the reported
amounts in the financial statements and related disclosures. Management
believes that the estimates utilized in the preparation of the financial
statements are prudent and reasonable. Actual results could differ from those
estimates.

DEAN WITTER CORNERSTONE FUNDS

NOTES TO FINANCIAL STATEMENTS
(continued)

REVENUE RECOGNITION. Futures interests are open commitments until settlement
date. They are valued at market on a daily basis and the resulting net change
in unrealized gains and losses is reflected in the change in unrealized profit
(loss) on open contracts from one period to the next in the statements of
operations. Monthly, Morgan Stanley DW pays each Partnership interest income
based upon 80% of its average daily Net Assets at a rate equal to the average
yield on 13-week U.S. Treasury bills issued. For purposes of such interest
payments to Cornerstone IV, Net Assets do not include monies owed to the
Partnership on futures interests.

NET INCOME (LOSS) PER UNIT. Net income (loss) per unit of limited partnership
interest ("Unit(s)") is computed using the weighted average number of Units
outstanding during the period.

CONDENSED SCHEDULES OF INVESTMENTS. In March 2001, the American Institute of
Certified Public Accountants' Accounting Standards Executive Committee issued
Statement of Position ("SOP") 01-1, "Amendment to the Scope of Statement of
Position 95-2, Financial Reporting by Nonpublic Investment Partnerships, to
Include Commodity Pools" effective for fiscal years ending after December 15,
2001. Accordingly, commodity pools are required to include a condensed schedule
of investments identifying those investments which constitute more than 5% of
Net Assets, taking long and short positions into account separately.

EQUITY IN FUTURES INTERESTS TRADING ACCOUNTS. The Partnerships' asset "Equity
in futures interests trading accounts", reflected in the statements of
financial condition, consists of (A) cash on deposit with Morgan Stanley DW,
MS&Co. and MSIL to be used as margin for trading; (B) net unrealized gains or
losses on open contracts, which are valued at market and calculated as the
difference between original contract value and market value; and (C) net option
premiums, which represent the net of all monies paid and/or received for such
option premiums.

DEAN WITTER CORNERSTONE FUNDS

NOTES TO FINANCIAL STATEMENTS
(continued)

The Partnerships, in their normal course of business, enter into various
contracts with MS&Co. and MSIL acting as their commodity brokers. Pursuant to
brokerage agreements with MS&Co. and MSIL, to the extent that such trading
results in unrealized gains or losses, these amounts are offset and reported on
a net basis on the Partnerships' statements of financial condition.
The Partnerships have offset the fair value amounts recognized for forward
contracts executed with the same counterparty as allowable under terms of the
master netting agreements with MS&Co., the sole counterparty on such contracts.
The Partnerships have consistently applied their right to offset.

BROKERAGE COMMISSIONS AND RELATED TRANSACTION FEES AND COSTS. Brokerage
commissions and related transaction fees and costs for each Partnership are
accrued on a half-turn basis at 80% and 100%, respectively, of the rates Morgan
Stanley DW charges parties that are not clearinghouse members. Brokerage
commissions and transaction fees combined for each Partnership are capped at
13/20 of 1% per month (a 7.8% maximum annual rate) of the adjusted Net Assets
allocated to each trading program employed by the Partnerships' trading
managers.

OPERATING EXPENSES. Each Partnership has entered into an exchange agreement
pursuant to which certain common administrative expenses (i.e., legal,
auditing, accounting, filing fees and other related expenses) are shared by
each of the Partnerships based upon the number of outstanding Units of each
Partnership during the month in which such expenses are incurred. In addition,
the Partnerships incur monthly management fees and may incur incentive fees.
Demeter bears all other operating expenses.

INCOME TAXES. No provision for income taxes has been made in the accompanying
financial statements, as partners are individually responsible for reporting
income or loss based upon their respective share of each Partnership's revenues
and expenses for income tax purposes.

DISTRIBUTIONS. Distributions, other than redemptions of Units, are made on a
pro-rata basis at the sole discretion of Demeter. No distributions have been
made to date.

DEAN WITTER CORNERSTONE FUNDS

NOTES TO FINANCIAL STATEMENTS
(continued)

REDEMPTIONS. Limited Partners may redeem some or all of their Units at 100% of
the Net Asset Value per Unit as of the last day of any month upon fifteen days
advance notice by redemption form to Demeter.

EXCHANGES. Prior to the April 30, 2000 monthly closing, Limited Partners were
able to transfer their investments among the Partnerships (subject to certain
restrictions outlined in the Limited Partnership Agreements) without paying
additional charges.
Effective with the April 30, 2000 monthly closing, the exchange privilege
among the Cornerstone funds was terminated. However, limited partners retained
the ability to execute an exchange from a Cornerstone fund into other funds
outside the Cornerstone Series, subject to certain restrictions set forth in
the applicable Limited Partnership Agreements.

DISSOLUTION OF THE PARTNERSHIPS. Each Partnership will terminate on September
30, 2025 regardless of its financial condition at such time, upon a decline in
Net Assets to less than $250,000, a decline in the Net Asset Value per Unit to
less than $250, or under certain other circumstances defined in each Limited
Partnership Agreement.

LITIGATION SETTLEMENT. On February 27, 2002, Cornerstone II and Cornerstone
III received notification of a preliminary entitlement to payment from the
Sumitomo Copper Litigation Settlement Administrator and received payment of
these settlement awards in the amount of $76,613 and $2,842,492, respectively,
on August 30, 2002.

- --------------------------------------------------------------------------------
2. RELATED PARTY TRANSACTIONS
Each Partnership pays brokerage commissions to Morgan Stanley DW as described
in Note 1. Each Partnership's cash is on deposit with Morgan Stanley DW, MS&Co.
and MSIL in futures interests trading accounts to meet margin requirements as
needed. Morgan Stanley DW pays interest on these funds as described in Note 1.

DEAN WITTER CORNERSTONE FUNDS

NOTES TO FINANCIAL STATEMENTS
(continued)

- --------------------------------------------------------------------------------
3. TRADING MANAGERS
Demeter, on behalf of each Partnership, retains certain commodity trading
managers to make all trading decisions for the Partnerships. The trading
managers for each Partnership at December 31, 2002 were as follows:

Dean Witter Cornerstone Fund II
John W. Henry & Company, Inc.
Northfield Trading L.P.

Dean Witter Cornerstone Fund III
Sunrise Capital Management, Inc.
Welton Investment Corporation

Effective January 1, 2003, Graham Capital Management, L.P. replaced Welton
Investment Corporation as a trading manager in the Fund.

Dean Witter Cornerstone Fund IV
John W. Henry & Company, Inc.
Sunrise Capital Management, Inc.

Compensation to the trading managers by the Partnerships consists of a
management fee and an incentive fee as follows:

MANAGEMENT FEE. Each Partnership's management fee is accrued at the rate of
1/12 of 3.5% per month (a 3.5% annual rate) of the Net Assets under management
by each trading manager at each month end. Prior to December 1, 2000, each
Partnership's management fee was accrued at the rate of 1/3 of 1% per month (a
4% annual rate) of the Net Assets under management by each trading manager at
each month end.

INCENTIVE FEE. Each Partnership pays an annual incentive fee equal to 15% of
the new appreciation in Net Assets, as defined in the Limited Partnership
Agreements, as of the end of each annual incentive period ending December 31,
except for Cornerstone IV, which pays incentive fees at the end of each annual
incentive period ending May 31. New appreciation represents the amount by which
Net Assets are increased by profits from futures, forwards and options trading
that exceed losses after brokerage commissions, management fees, transaction
fees and costs and common administrative expenses are deducted. Such incentive
fee is accrued in each month in which new

DEAN WITTER CORNERSTONE FUNDS

NOTES TO FINANCIAL STATEMENTS
(continued)

appreciation occurs. In those months in which new appreciation is negative,
previous accruals, if any, during the incentive period are reduced. In those
instances in which a Limited Partner redeems an investment, the incentive fee
(if earned through a redemption date) is paid on those redemptions to the
trading manager in the month of such redemption.

- --------------------------------------------------------------------------------
4. FINANCIAL INSTRUMENTS
The Partnerships trade futures contracts, options on futures contracts, and
forward contracts on foreign currencies and other commodity interests. Futures
and forwards represent contracts for delayed delivery of an instrument at a
specified date and price. Risk arises from changes in the value of these
contracts and the potential inability of counterparties to perform under the
terms of the contracts. There are numerous factors which may significantly
influence the market value of these contracts, including interest rate
volatility.
The market value of contracts is based on closing prices quoted by the
exchange, bank or clearing firm through which the contracts are traded.
The Partnerships' contracts are accounted for on a trade-date basis and
market to market on a daily basis. Each Partnership accounts for its derivative
investments in accordance with the provisions of Statement of Financial
Accounting Standard No. 133, "Accounting for Derivative Instruments and Hedging
Activities" (''SFAS No. 133"). SFAS No. 133 defines a derivative as a financial
instrument or other contract that has all three of the following
characteristics:

(1)One or more underlying notional amounts or payment provisions;

(2)Requires no initial net investment or a smaller initial net investment than
would be required relative to changes in market factors;

(3)Terms require or permit net settlement.

Generally derivatives include futures, forward, swaps or options contracts,
and other financial instruments with similar characteristics such as caps,
floors and collars.

DEAN WITTER CORNERSTONE FUNDS

NOTES TO FINANCIAL STATEMENTS
(continued)

The net unrealized gains (losses) on open contracts at December 31, reported
as a component of "Equity in futures interests trading accounts" on the
statements of financial condition, and their longest contract maturities are as
follows:

CORNERSTONE II

NET UNREALIZED GAINS
ON OPEN CONTRACTS LONGEST MATURITIES
----------------------------- ------------------------
OFF- OFF-
EXCHANGE- EXCHANGE- EXCHANGE- EXCHANGE-
YEAR TRADED TRADED TOTAL TRADED TRADED
---- --------- --------- --------- ------------- ----------
$ $ $

2002 1,077,589 973,551 2,051,140 December 2003 March 2003
2001 374,620 1,164,896 1,539,516 December 2002 March 2002

CORNERSTONE III

NET UNREALIZED GAINS/
(LOSSES) ON OPEN CONTRACTS LONGEST MATURITIES
----------------------------- ------------------------
OFF- OFF-
EXCHANGE- EXCHANGE- EXCHANGE- EXCHANGE-
YEAR TRADED TRADED TOTAL TRADED TRADED
---- --------- --------- --------- ------------- ----------
$ $ $

2002 688,301 864,306 1,552,607 December 2003 March 2003
2001 (679,746) 752,314 72,568 December 2002 March 2002

CORNERSTONE IV

NET UNREALIZED GAINS
ON OPEN CONTRACTS LONGEST MATURITIES
----------------------------- --------------------
OFF- OFF-
EXCHANGE- EXCHANGE- EXCHANGE- EXCHANGE-
YEAR TRADED TRADED TOTAL TRADED TRADED
---- --------- --------- --------- --------- ----------
$ $ $

2002 -- 6,834,888 6,834,888 -- March 2003
2001 -- 7,783,366 7,783,366 -- March 2002

The Partnerships have credit risk associated with counterparty
nonperformance. The credit risk associated with the instruments in which the
Partnerships are involved is limited to the amounts reflected in the
Partnerships' statements of financial condition.
The Partnerships also have credit risk because Morgan Stanley DW, MS&Co., and
MSIL act as the futures commission merchants or the counterparties with respect
to most of the Partnerships' assets. Exchange-traded futures and futures-styled
options contracts are marked to market on a daily basis, with variations in
value settled on a daily basis. Morgan Stanley DW, MS&Co. and MSIL, each as a
futures commission merchant for each Partnership's exchange-traded futures and
futures-styled

DEAN WITTER CORNERSTONE FUNDS

NOTES TO FINANCIAL STATEMENTS
(continued)

options contracts, are required, pursuant to regulations of the Commodity
Futures Trading Commission, to segregate from their own assets, and for the
sole benefit of their commodity customers, all funds held by them with respect
to exchange-traded futures and futures-styled options contracts, including an
amount equal to the net unrealized gains (losses) on all open futures and
futures-styled options contracts, which funds, in the aggregate, totaled at
December 31, 2002 and 2001 respectively, $22,780,027 and $21,690,396 for
Cornerstone II and $27,060,890 and $25,791,768 for Cornerstone III. With
respect to each Partnership's off-exchange-traded forward currency contracts,
there are no daily settlements of variations in value nor is there any
requirement that an amount equal to the net unrealized gains (losses) on open
forward contracts be segregated. With respect to those off-exchange-traded
forward currency contracts, the Partnerships are at risk to the ability of
MS&Co., the sole counterparty on all such contracts, to perform. Each
Partnership has a netting agreement with MS&Co. These agreements, which seek to
reduce both the Partnerships' and MS&Co.'s exposure on off-exchange-traded
forward currency contracts, should materially decrease the Partnerships' credit
risk in the event of MS&Co.'s bankruptcy or insolvency.

- --------------------------------------------------------------------------------
5. FINANCIAL HIGHLIGHTS

CORNERSTONE II

PER UNIT:
---------

NET ASSET VALUE, JANUARY 1, 2002: $4,360.39
---------
NET OPERATING RESULTS:
Realized Profit 874.59
Unrealized Profit 103.05
Proceeds from Litigation Settlement 15.43
Interest Income 58.96
Expenses (449.17)
---------
Net Income 602.86
---------

NET ASSET VALUE, DECEMBER 31, 2002: $4,963.25
=========
Expense Ratio 9.9%
Net Income Ratio 13.1%

TOTAL RETURN 13.8%

DEAN WITTER CORNERSTONE FUNDS

NOTES TO FINANCIAL STATEMENTS
(concluded)

CORNERSTONE III

PER UNIT:
---------

NET ASSET VALUE, JANUARY 1, 2002: $3,045.84
---------
NET OPERATING RESULTS:
Realized Profit 290.45
Unrealized Profit 180.87
Proceeds from Litigation Settlement 347.36
Interest Income 41.23
Expenses (313.54)
---------
Net Income 546.37
---------

NET ASSET VALUE, DECEMBER 31, 2002: $3,592.21
=========
Expense Ratio 9.9%
Net Income Ratio 16.8%

TOTAL RETURN 17.9%

CORNERSTONE IV

PER UNIT:
---------

NET ASSET VALUE, JANUARY 1, 2002: $6,228.94
---------
NET OPERATING RESULTS:
Realized Profit 1,316.48
Unrealized Loss (58.30)
Interest Income 79.31
Expenses (571.11)
---------
Net Income 766.38
---------

NET ASSET VALUE, DECEMBER 31, 2002: $6,995.32
=========
Expense Ratio 9.1%
Net Income Ratio 11.7%

TOTAL RETURN 12.3%

PRESORTED
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Demeter Management Corporation
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