Exhibit 99.1

United States Oil Fund, LP

Monthly Account Statement

For the Month Ended July 31, 2019

Statement of Income (Loss)
Income
Realized Trading Gain (Loss) on Futures		$	130,150,830
Unrealized Gain (Loss) on Market Value of Futures			(125,803,630	)
Dividend Income			107,177
Interest Income			2,669,158
ETF Transaction Fees			34,000
Total Income (Loss)		$	7,157,535
Expenses
General Partner Management Fees		$	529,379
Professional Fees			107,014
Brokerage Commissions			213,967
Non-interested Directors' Fees and Expenses			16,857
Prepaid Insurance Expense			13,526
NYMEX License Fee			17,646
SEC & FINRA Registration Expense			51,147
Total Expenses		$	949,536
Net Income (Loss)		$	6,207,999

Statement of Changes in Net Asset Value
Net Asset Value Beginning of Month 7/1/19		$	1,462,033,109
Additions (30,800,000 Shares)			362,474,887
Withdrawals (39,600,000 Shares)			(473,252,360	)
Net Income (Loss)			6,207,999
Net Asset Value End of Month		$	1,357,463,635
Net Asset Value Per Share (111,700,000 Shares)		$	12.15

To the Limited Partners of United States Oil Fund, LP:

Pursuant to Rule 4.22(h) under the Commodity Exchange Act, the undersigned represents that, to the best of his knowledge and belief, the information contained in the Account Statement for the month ended July 31, 2019 is accurate and complete.

/s/ Stuart P. Crumbaugh

Stuart P. Crumbaugh

Chief Financial Officer

United States Commodity Funds LLC, General Partner of United States Oil Fund, LP

United States Commodity Funds LLC

1850 Mt. Diablo Boulevard, Suite 640

Walnut Creek, CA 94596