Contracts and Agreements (Tables)

3 Months Ended

Mar. 31, 2015

USO also incurs commissions to brokers for the purchase and sale of Oil Futures Contracts, Other Oil-Related Investments or short-term obligations of the United States of two years or less (“Treasuries”).

	For the three months ended			For the three months ended
	March 31, 2015			March 31, 2014
Total commissions accrued to brokers	$	1,187,217		$	264,164
Total commissions as an annualized percentage of average total net assets		0.21	%		0.16	%
Commissions accrued as a result of rebalancing	$	958,970		$	132,435
Percentage of commissions accrued as a result of rebalancing		80.77	%		50.13	%
Commissions accrued as a result of creation and redemption activity	$	228,247		$	131,729
Percentage of commissions accrued as a result of creation and redemption activity		19.23	%		49.87	%