Performance

Performance versus USL's Benchmark

USL seeks to manage its portfolio such that the average daily changes in its Net Asset Value ("NAV") over any rolling 30 day periods is within 10%+/- of the average daily change in the price of the Benchmark Oil Futures Contract(s)*.

30-Day Period Ending
AVERAGE DAILY RETURN
Difference
(Absolute)
Difference
(As a Ratio)
***
Benchmark
USL's NAV**

7/31/08
(0.294%)
(0.289%)
0.005%
0.800
Since Inception****
AVERAGE DAILY RETURN
Difference
(Absolute)
Difference
(As a Ratio)
***
Benchmark
USL's NAV**

7/31/08
0.260%
0.264%
0.004%
0.624

Past performance is not necessarily indicative of future results.

* The Benchmark Oil Futures Contracts are the near 12 month futures contracts for West Texas Intermediate light, sweet crude oil. When the nearest month contract is within two weeks of expiration, the Benchmark Oil Futures Contracts will become the next contract to expire and the eleven contracts that follow.

** Changes in USL's NAV in percentage terms are intended to closely track the changes in percentage terms in the price of a specified Oil Futures Contract.

*** Measures the absolute difference (the difference in USL's average daily return versus the Benchmark's average daily return) as a percentage of the Benchmark's average daily return during the relevant period.

**** USL commenced operations on 12/06/2007.


For a copy of the Prospectus contact:
ALPS Distributors, Inc., 1290 Broadway, Suite 1100, Denver, Colorado 80203 or call 1.800.920.0259, option 3 or Click Here.

This investment may not be suitable for all investors.

For further discussion of these and additional risks associated with an investment in US12OF units, Click Here.

Investing in oil interests subjects USL to the risks of the oil industry. These risks could result in large fluctuations in the price of USL’s units. An investor could lose all or substantially all of his/her investment.  The United States 12 Month Oil Fund is distributed by ALPS Distributors, Inc.

© 2008 United States 12 Month Oil Fund, LP