Document:

exv10w2wb

Exhibit 10.2(b)

June 9, 2009

Willowbridge Associates Inc.

101 Morgan Lane — Suite 180

Plainsboro, N.J. 08536

Attention: Mr. Steve R. Crane

     Re: Management Agreement Renewals

Dear Mr. Crane:

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.

	 	•	 	Smith Barney Diversified Futures Fund L.P.
	 
	 	•	 	Smith Barney Diversified Futures Fund L.P. II
	 
	 	•	 	Citigroup Orion Futures Fund L.P.
	 
	 	•	 	Citigroup Diversified Futures Fund L.P.
	 
	 	•	 	CMF Institutional Futures Portfolio LP
	 
	 	•	 	CMF Willowbridge Argo Master Fund L.P.
	 
	 	•	 	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 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,

CITIGROUP MANAGED FUTURES LLC

	 	 	 	 	 
	By:  	/s/ Jennifer Magro
 	 
	 	Jennifer Magro 	 
	 	Chief Financial Officer & Director 	 
	 

WILLOWBRIDGE ASSOCIATES INC.

	 	 	 	 	 
	By:

	 	/s/ Steven R. Crane
 

	 	 
	 
	 	 	 	 
	Print Name:

	 	Steven R. Crane	 	 
	 

	 	 	 	 

JM/srexv10w3wa

Exhibit 10.3(a)

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:

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.

	 	•	 	Smith Barney Diversified Futures Fund L.P.
	 
	 	•	 	Citigroup Orion Futures Fund L.P.
	 
	 	•	 	CMF Winton Feeder LP I
	 
	 	•	 	CMF Winton 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 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,

CITIGROUP MANAGED FUTURES LLC

	 	 	 	 	 
	 	 	 
	By:  	/s/ Jennifer Magro
 	 
	 	Jennifer Magro 	 
	 	Chief Financial Officer & Director 	 
	 

WINTON CAPITAL MANAGEMENT

	 	 	 	 	 
	By:

	 	/s/ Martin Hunt
 

	 	 
	 
	 	 	 	 
	Print Name:

	 	Martin Hunt	 	 
	 

	 	 	 	 

JM/srexv10w5xay

Exhibit 10.5(a)

June 9, 2009

Campbell & Company, Inc.

2850 Quarry Lake Drive

Baltimore, MD 21209

Attn: Ms. Theresa Becks

	 	 	 	 	 
	 

	 	Re:
	 	Management Agreement Renewals

Dear Ms. Becks:

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.

	 	•	 	Smith Barney Potomac Futures Fund L.P.
	 
	 	•	 	Citigroup Global Diversified Futures Fund L.P.
	 
	 	•	 	Citigroup Diversified 2000 Futures Fund L.P.
	 
	 	•	 	CMF Campbell Master Fund L.P.

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,

CITIGROUP MANAGED FUTURES LLC

	 	 	 	 	 
	By:

	 	/s/ Jennifer Magro
 

Jennifer Magro
	 	 
	 

	 	Chief Financial Officer & Director	 	 

CAMPBELL & COMPANY, INC.

	 	 	 	 	 
	By:

	 	/s/ Thomas P. Lloyd
 

	 	 
	Print Name:

	 	Thomas P. Lloyd	 	 
	 
	 	General Counsel
Campbell & Company, Inc. 	 	 
	JM/srexv10w6xay

Exhibit 10.6(a)

June 9,
2009

Aspect Capital Ltd.

Nations House — 8th Floor

103 Wigmore Street

London W1U 1QS, U.K.

Attention: Mr. Anthony Todd

	 	 	 	 	 
	 

	 	Re:
	 	Management Agreement Renewals

Dear Mr. Todd:

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.

	 	•	 	Citigroup Global Diversified Futures Fund L.P.
	 
	 	•	 	Citigroup Diversified 2000 Futures Fund L.P.
	 
	 	•	 	Citigroup Diversified Futures Fund L.P.
	 
	 	•	 	CMF Aspect Master Fund L.P.
	 
	 	•	 	CMF Institutional Futures Portfolio LP
	 
	 	•	 	Citigroup Global Futures Fund 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,

CITIGROUP MANAGED FUTURES LLC

	 	 	 	 	 
	By:

	 	/s/ Jennifer Magro
 

Jennifer Magro
	 	 
	 

	 	Chief Financial Officer & Director	 	 
	 
	 	 	 	 
	 	 	 	 	 

ASPECT CAPITAL LTD.

	 	 	 	 	 
	By: 

Print Name:

	 	/s/ Simon Rocall
 

Simon Rocall
	 	 
	 
	JM/srexv10w7xay

Exhibit 10.7(a)

June 24,
2009

Altis Partners (Jersey) Limited

2 Hill Street

St Helier

Jersey

Channel Islands JE2 4UA

Attention: Mr. Richard F. Plane

	 	 	 	 	 
	 

	 	Re:
	 	Management Agreement Renewals

Dear Mr. Plane:

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.

	 	•	 	CTA Capital LLC
	 
	 	•	 	Citigroup Global Diversified Futures Fund L.P.
	 
	 	•	 	Citigroup Emerging CTA Portfolio L.P.
	 
	 	•	 	CMF Altis Partners Master Fund L.P.
	 
	 	•	 	CMF Institutional Futures Portfolio L.P.
	 
	 	•	 	Citigroup Global Futures Fund 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,

CITIGROUP MANAGED FUTURES LLC

	 	 	 	 	 
	By:

	 	/s/ Jennifer Magro
 

Jennifer Magro
	 	 
	 

	 	Chief Financial Officer & Director	 	 
	 
	 	 	 	 

ALTIS PARTNERS (JERSEY) LIMITED

	 	 	 	 	 
	 
	 	 	 	 
	By:

	 	/s/ Richard Plane
 

	 	 
	Print Name:

	 	Richard Plane	 	 
	 
	 	Executive Director	 	 

JM/srexv10w8xay

Exhibit 10.8(a)

June 9, 2009

Waypoint Capital Management

23 Green St. — Suite 210

Huntington, N.Y. 11743

Attention: Mr. Robert Calabretta

	 	 	 	 	 
	 

	 	Re:
	 	Management Agreement Renewals

Dear Mr. Calabretta:

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.

	 	•	 	CTA Capital LLC
	 
	 	•	 	Citigroup Emerging CTA Portfolio L.P.
	 
	 	•	 	Capital Global Diversified Futures Fund L.P.

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,

CITIGROUP MANAGED FUTURES LLC

	 	 	 	 	 
	By:

	 	/s/ Jennifer Magro
 

Jennifer Magro
	 	 
	 

	 	Chief Financial Officer & Director	 	 
	 
	 	 	 	 

WAYPOINT CAPITAL MANAGEMENT

	 	 	 	 	 
	By:

	 	/s/ Robert E Calabretta
 

	 	 
	Print Name:

	 	Robert E Calabretta	 	 
	 
	JM/srexv10w3wb

Exhibit
10.3(b)

June 9,
2009 

Willowbridge Associates Inc.

101 Morgan Lane — Suite 180

Plainsboro, N.J. 08536

Attention: Mr Steve R. Crane

     Re: Management Agreement Renewals

Dear Mr. Crane:

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.

	 	•	 	Smith Barney Diversified Futures Fund L.P.
	 
	 	•	 	Smith Barney Diversified Futures Fund L.P. II
	 
	 	•	 	Citigroup Orion Futures Fund L.P.
	 
	 	•	 	Citigroup Diversified Futures Fund L.P.
	 
	 	•	 	CMF Institutional Futures Portfolio LP
	 
	 	•	 	CMF Willowbridge Argo Master Fund L.P.
	 
	 	•	 	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 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,	 	 
	 
	 	 	 	 
	CITIGROUP MANAGED FUTURES LLC	 	 
	 
	 	 	 	 
	By:

	 	/s/ Jennifer Magro	 	 
	 

	 	 	 	 
	 

	 	Jennifer Magro	 	 
	 

	 	Chief Financial Officer & Director	 	 
	 
	 	 	 	 
	WILLOWBRIDGE ASOCIATES INC.	 	 
	 
	 	 	 	 
	By:

	 	/s/ Steven Crane	 	 
	 

	 	 	 	 
	 
	 	 	 	 
	Print Name: Steven Crane	 	 
	 
	 	 	 	 
	JM/sr

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