X0306 4/A 2015-05-21 2015-05-26 0 0001522727 USA Compression Partners, LP USAC 0001585937 Argonaut Private Equity, L.L.C. 7030 S. YALE AVE. SUITE 810 TULSA OK 74136 0 0 1 0 0001163432 KAISER GEORGE B C/O FREDERIC DORWART, LAWYERS 124 EAST FOURTH STREET TULSA OK 74103 0 0 1 0 Common Units 2015-05-21 4 P 0 34921 22.121 A 7256146.876 D These securities are owned solely by Argonaut Private Equity, L.L.C. ("Argonaut"). Includes 605,459.876 common units acquired under the USA Compression Partners, LP Distribution Reinvestment Plan. George B. Kaiser solely owns 7,425 Common Units. As the sole member of Argonaut, Mr. Kaiser is in indirect possession of sole voting and investment power of the Common Units held by Argonaut and may also be deemed to beneficially own the 7,256,146.876 Common Units held by Argonaut. Don P. Millican, Manager 2017-03-23 George B. Kaiser 2017-03-23