June 1, 2013 Rabar Market Research, Inc.

Exhibit 10.8(a)

June 1, 2013

Rabar Market Research, Inc.

00 Xxxx Xxxxxx, Xxxxx 000

Xxxxx Xxxxx, Xxx Xxxx 00000-0000

Attn: Xx. Xxxx 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, 2014 and all other provisions of the Management Agreements will remain unchanged.

• Rabar Master Fund L.P.

• Westport Futures Fund L.P.

• Tidewater Futures Fund L.P.

Please acknowledge receipt of this modification by signing one copy of this letter and returning it to the attention of Xx. Xxxxxx Xxxxxx 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,
CERES MANAGED FUTURES LLC
By:		/s/ Xxxxxx Xxxxxx
		Xxxxxx Xxxxxx
		Chief Financial Officer and Director
XXXX X. XXXXX & COMPANY, INC
By:		/s/ Xxxx Xxxxx
Print Name:		Xxxx Xxxxx
DG/sr