Filed pursuant to Rule 424(b)(3)
File No.333-142206


UNITED STATES GASOLINE FUND, LP
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Supplement dated May 11, 2009
to
Prospectus dated April 30, 2009
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This supplement contains information which amends, supplements or modifies certain information contained in the Prospectus of United States Gasoline Fund, LP dated April 30, 2009, as supplemented.

You should carefully consider the “Risk Factors” beginning on page 11 of the Prospectus before you decide to invest.



 
The Offering – Prior Performance of the General Partner and Affiliates (pages 35 and 44)

This supplement revises the following information in the Prospectus with respect to the prior performance of United States Heating Oil Fund, LP (“USHO”):

As of March 31, 2009, the total amount of money raised by USHO from its Authorized Purchasers was $19,744,061.

Who are the Service Providers? (page 59)

This supplement replaces the third paragraph under this heading with the following:

UGA also employs ALPS Distributors, Inc. as a Marketing Agent, which is further discussed under “What is the Plan of Distribution?” The General Partner pays ALPS Distributors Inc.’s fees.  In no event may the aggregate compensation paid to the Marketing Agent and any affiliate of the General Partner for distribution-related services in connection with the offering of units exceed ten percent (10%) of the gross proceeds of the offering.

What is the Plan of Distribution? – Marketing Agent and Authorized Purchasers (page 64)

This supplement replaces the first paragraph under this heading with the following:

The offering of UGA’s units is a best efforts offering. UGA is continuously offering Creation Baskets consisting of 100,000 units through the Marketing Agent, to Authorized Purchasers. Merrill Lynch Professional Clearing Corp. was the initial Authorized Purchaser. The initial Authorized Purchaser purchased the initial Creation Basket of 100,000 units at a per unit price of $50 on February 26, 2008. Authorized Purchasers pay a $1,000 fee for each order to create one or more Creation Baskets. The Marketing Agent receives, for its services as marketing agent to UGA, a marketing fee of 0.06% on assets up to the first $3 billion and 0.04% on assets in excess of $3 billion; provided, however, that in no event may the aggregate compensation paid to the Marketing Agent and any affiliate of the General Partner for distribution-related services in connection with this offering of units exceed ten percent (10%) of the gross proceeds of this offering.