Smith Barney Futures Management LLC 388 Greenwich Street, 7th Floor New York, New York 10013-2396 June 11, 2002 Winton Capital Management 1a. St. Mary Abbot's Place Kensington, London W86LS, U.K. Attention: Mr. Martin Hunt Re: Management Agreement...

                       ▇▇▇▇▇ ▇▇▇▇▇▇ Futures Management LLC
                         ▇▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇ ▇▇▇▇▇
                          ▇▇▇ ▇▇▇▇, ▇▇▇ ▇▇▇▇ ▇▇▇▇▇-▇▇▇▇

June 11, 2002


▇▇▇▇▇▇ Capital Management
▇▇. ▇▇. ▇▇▇▇ ▇▇▇▇▇'▇ ▇▇▇▇▇
▇▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇ ▇▇▇▇▇, U.K.

Attention:  Mr. ▇▇▇▇▇▇ ▇▇▇▇

         Re:      Management Agreement Renewals

Dear ▇▇. ▇▇▇▇:

     We are writing with respect to your  management  agreements  concerning the
commodity pools to which reference is made below (the "Management  Agreements").
We are extending the term of the Management Agreements through June 30, 2003 and
all other provisions of the Management Agreements will remain unchanged.

o        ▇▇▇▇▇ ▇▇▇▇▇▇ Principal Plus Futures Fund ▇.▇. ▇▇
o        ▇▇▇▇▇ ▇▇▇▇▇▇ Diversified Futures Fund L.P.
o        AURORA 2001

    Please acknowledge receipt of this modification by signing one copy of this
letter and returning it to the attention of ▇▇. ▇▇▇▇▇▇  ▇▇▇▇▇▇▇▇▇ at the address
above or fax to  ▇▇▇-▇▇▇-▇▇▇▇.  If you have any  questions  I can be  reached at
▇▇▇-▇▇▇-▇▇▇▇.

Very truly yours,

▇▇▇▇▇ ▇▇▇▇▇▇ FUTURES MANAGEMENT LLC


By:      /s/ ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇, ▇▇.
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         ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇, ▇▇.
         Chief Financial Officer & Director


AGREED AND ACCEPTED
▇▇▇▇▇▇ CAPITAL MANAGEMENT

By:        /s/ ▇▇▇▇▇▇ ▇▇▇▇
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Print Name: ▇▇▇▇▇▇ ▇▇▇▇
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        Chief Financial Officer
DRMcA/sr