Monthly Account Statement Issued for December 2025

Summary

On January 29, 2026, United States Oil Fund, LP (the 'Registrant') issued its monthly account statement for the month ended December 31, 2025, which includes financial details such as income, expenses, and net asset value. A copy of the statement is furnished as Exhibit 99.1 to this Current Report on Form 8-K and can also be found on the Registrant's website.