June 9, 2009 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:

Exhibit 10.4(b)

June 9, 2009
Xxxxxx Capital Management
1a. St. Xxxx Xxxxx’x Place
Kensington, London W86LS,
U.K.

Attention: Mr. Xxxxxx Xxxx

     Re: Management Agreement Renewals

Dear Xx. Xxxx:

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, 2010 and all other provisions of the Management Agreements will remain unchanged.

	•		Xxxxx Xxxxxx Diversified Futures Fund L.P.
	•		SSB Orion Futures Fund L.P.
	•		CMF Xxxxxx Feeder LP I
	•		CMF Xxxxxx Master Fund L.P.
	•		Citigroup Diversified Futures Fund L.P.
	•		CMF Institutional Futures Portfolio LP
	•		Citigroup Abingdon Futures Fund L.P.
	•		Citigroup Global Futures Fund Ltd.
	•		Citigroup 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 Xx. Xxxxxxxx Xxxxx at the address above or fax to 000-000-0000. If you have any questions I can be reached at 000-000-0000.

Very truly yours,
CITIGROUP MANAGED FUTURES LLC
By:		/s/ Xxxxxxxx Xxxxx
		Xxxxxxxx Xxxxx
		Chief Financial Officer & Director
XXXXXX CAPITAL MANAGEMENT
By:		/s/ Xxxxxx Xxxx
Print Name: Xxxxxx Xxxx
JM/sr