Exhibit
10.19

May 31, 2005

Campbell & Company,
Inc.
Court Tower Building
210 West Pennsylvania
Avenue
Suite 770
Towson, MD 21204

Attn: Ms.
Terry  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,  2006 and all other provisions of the Management Agreements
will remain unchanged.

		
	• 	Smith Barney
Potomac Futures Fund L.P.


		
	• 	Smith
Barney Diversified Futures Fund
L.P.


		
	• 	Smith Barney Diversified
Futures Fund L.P. II


		
	• 	Smith Barney
Global Markets Futures Fund
L.P.


		
	• 	Smith Barney Global
Diversified Futures Fund
L.P.


		
	• 	Salomon Smith Barney
Diversified 2000 Futures Fund
L.P.


		
	• 	AURORA
2001


		
	• 	AURORA
III


		
	• 	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
Mr.  Daniel  McAuliffe at the address above or fax to
212-793-1986. If you have any questions I can be reached at
212-559-5043.

Very truly
yours,

CITIGROUP MANAGED FUTURES
LLC

By: /s/ Daniel R. McAuliffe,
Jr.         

Daniel
R. McAuliffe, Jr.

Chief Financial Officer &
Director

CAMPBELL & COMPANY,
INC.

By: /s/ Theresa
Becks             


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Name: Theresa Becks    
                                    


DRMcA/sr














June
15,  2005

Aspect Capital Management
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,  2006 and all other provisions of the Management Agreements
will remain unchanged.

			
		• 	Salomon Smith
Barney Global Diversified Futures Fund
L.P.


			
		• 	Salomon Smith Barney Diversified
2000 Futures Fund L.P.


			
		• 	Citigroup
Diversified Futures Fund L.P.


			
		• 	Alera
100


Please acknowledge receipt of this modification by
signing one copy of this letter and returning it to the attention of
Mr.  Daniel  McAuliffe at the address above or fax to
212-793-1986. If you have any questions I can be reached at
212-559-5043.

Very truly yours,

CITIGROUP
MANAGED FUTURES LLC

    

By: /s/ Daniel R.
McAuliffe,
Jr.                


Daniel R.
McAuliffe, Jr.
Chief Financial Officer &
Director

    

By: /s/ Anthony
Todd                                   


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Name: Anthony
Todd                        


DRMcA/sr

1














June
15,  2005

Altis Partners
Limited
5th Fl. Sackville House
40
Piccadilly
W1J0DR England

Attention: Mr.
Stephen  Hedgecock


Re: Management
Agreement Renewals


Dear Mr.
Hedgecock:

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,  2006 and all other provisions of the Management
Agreements will remain unchanged.

			
		• 	CTA
Capital LLC


			
		• 	Salomon Smith Barney Global
Diversified Futures Fund L.P.


			
		• 	Citigroup
Emerging CTA Portfolio L.P.


Please acknowledge receipt of
this modification by signing one copy of this letter and returning it
to the attention of Mr.  Daniel  McAuliffe at the address
above or fax to 212-793-1986. If you have any questions I can be
reached at 212-559-5043.

Very truly
yours,

CITIGROUP MANAGED FUTURES
LLC

By: /s/ Daniel R. McAuliffe,
Jr.         


Daniel
R. McAuliffe, Jr.
Chief Financial Officer &
Director

By: /s/ Stephen
Hedgecock  
              


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Name: Stephen
Hedgecock                                


DRMcA/sr