June 5, 2008 Chesapeake Capital Corporation 17th Floor Richmond Federal Reserve Building 701 E Byrd Street Richmond, Va 23219 Attention: Mr. John M. Hoade Re: Management Agreement Renewals Dear Mr. Hoade:

Exhibit 10.18

June 5, 2008

Chesapeake Capital Corporation
17^th Floor
Richmond Federal Reserve Building
000 X Xxxx Xxxxxx
Xxxxxxxx, Xx 00000

Attention: Xx. Xxxx X. Xxxxx

     Re:   Management Agreement Renewals

Dear Xx. Xxxxx:

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, 2009 and all other provisions of the Management Agreements will remain unchanged.

	•		Xxxxx Xxxxxx Tidewater Futures Fund L.P.
	•		AURORA III

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
CHESAPEAKE CAPITAL CORPORATION
By:		/s/ Xxxx X. Xxxxx

Print Name: Xxxx X. Xxxxx  

XX/sr