X0306 4 2018-12-20 0 0001698990 Magnolia Oil & Gas Corp MGY 0001429772 MacDougall Michael G. C/O TPG GLOBAL, LLC 301 COMMERCE STREET, SUITE 3300 FORT WORTH TX 76102 1 0 0 0 Class A Common Stock 2018-12-21 4 J 0 2265939 0 A 2363439 I See Explanation of Responses Warrants (right to buy) 11.50 2018-12-20 4 J 0 1408290 0 A 2018-08-30 2023-07-31 Class A Common Stock 1408290 1408290 I See Explanation of Responses Effective December 21, 2018, TPG Pace Energy Sponsor, LLC distributed, in accordance with its limited liability company agreement, all of its shares of Class A common stock of Magnolia Oil & Gas Corporation and all of its warrants pro rata to its members, including Mr. Michael MacDougall. Held through a personal vehicle. (3) Michael LaGatta is signing on behalf of Mr. MacDougall pursuant to the authorization and designation letter dated April 28, 2017, which was previously filed with the Securities and Exchange Commission. /s/ Michael LaGatta on behalf of Michael MacDougall (3) 2018-12-21