PURCHASE AGREEMENT

     Credit Suisse Commodity Return Strategy Fund (the "Fund"), a business trust
organized under the laws of the State of Delaware, and Credit Suisse Asset
Management, LLC ("CSAM") hereby agree as follows:

     1. The Fund offers CSAM and CSAM hereby purchases 10,000 shares of
beneficial interest of the Fund, which shall consist of 9,998 Class A Shares,
one Class C Share and one Common Class Share, each having a par value of $.001
per share (the "Shares"), at a price of $10.00 per Share (the "Initial Shares"),
the Fund agreeing to waive any initial sales charge and any contingent deferred
sales charge on such purchase, as applicable to a class of shares. CSAM hereby
acknowledges receipt of certificates representing the Initial Shares and the
Fund hereby acknowledges receipt from CSAM of $100,000.00 in full payment for
the Initial Shares.

     2. CSAM represents and warrants to the Fund that the Initial Shares are
being acquired for investment purposes and not for the purpose of distributing
them.

     3. CSAM agrees that if any holder of the Initial Shares redeems such Shares
in the Fund before one year after the date upon which the Fund commences its
investment activities, the redemption proceeds will be reduced by the amount of
unamortized organizational and offering expenses, in the same proportion as the
Initial Shares being redeemed bears to the Initial Shares outstanding at the
time of redemption. The parties hereby acknowledge that any Shares acquired by
CSAM other than the Initial Shares have not been acquired to fulfill the
requirements of Section 14 of the Investment Company Act of 1940, as amended,
and, if redeemed, their redemption proceeds will not be subject to reduction
based on the unamortized organizational and offering expenses of the Fund.

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of
the __ day of ___________, 2004.



                                 CREDIT SUISSE COMMODITY RETURN STRATEGY FUND

                                 By:
                                    -----------------------------------------
                                     Name:
                                     Title:

ATTEST:


                                  CREDIT SUISSE ASSET MANAGEMENT, LLC

                                  By:
                                     ----------------------------------------
                                      Name:
                                      Title:

ATTEST: