Management Agreement

Re: Management Agreement Renewals

Exhibit 10.3(a)
June 1, 2010
Winton Capital Management
1a. St. Mary Abbot’s Place
Kensington, London W86LS,
U.K.
Attention: Mr. Martin Hunt
  Re:   Management Agreement Renewals
Dear Mr. Hunt:
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, 2011 and all other provisions of the Management Agreements will remain unchanged.
    Diversified Multi-Advisor Futures Fund L.P.
 
    Orion Futures Fund L.P.
 
    CMF Winton Feeder I LP
 
    CMF Winton Master Fund L.P.
 
    Tactical Diversified Futures Fund L.P.
 
    Institutional Futures Portfolio LP
 
    Abingdon Futures Fund L.P.
 
    Global Futures Fund Ltd.
 
    Orion Futures Fund (Cayman) Ltd.
Please acknowledge receipt of this modification by signing one copy of this letter and returning it to the attention of Ms. Jennifer Magro at the address above or fax to 212-793-1986. If you have any questions I can be reached at 212-559-5046.
Very truly yours,
CERES MANAGED FUTURES LLC
     
By:
  /s/ Jennifer Magro
 
   
 
  Jennifer Magro
 
  Chief Financial Officer & Director
     
WINTON CAPITAL MANAGEMENT
 
   
By:
  /s/ Peter Jau Hal
 
   
Print Name:
  Peter Jau Hal
JM/sr