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For a copy of the Prospectus contact:
ALPS Distributors, Inc., 1290 Broadway, Suite 1100, Denver, Colorado 80203 or call 1.800.920.0259, option 1 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 USOF units, Click Here.

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

© 2008 United States Oil Fund, LP