X0306 4 2019-07-10 0 0001698990 Magnolia Oil & Gas Corp MGY 0001026545 CHAZEN STEPHEN I C/O MAGNOLIA OIL & GAS CORPORATION NINE GREENWAY PLAZA, SUITE 1300 HOUSTON TX 77046 1 1 0 0 Chairman, President & CEO Class A Common Stock 2019-07-10 4 A 0 769066 0.00 A 6604349 D Warrants (option to buy) 11.50 2019-07-10 4 D 0 2500000 0.00 D 2018-08-30 2023-07-31 Class A Common Stock 2500000 0 D Warrants (option to buy) 11.50 2019-07-10 4 D 0 151952.33 0.00 D 2018-08-30 2023-07-31 Class A Common Stock 151952.33 0 D On July 10, 2019, Magnolia Oil & Gas Corporation accepted an aggregate of 2,651,952.33 warrants validly tendered by the reporting person and issued to the reporting person in exchange 769,066 shares of its Class A common stock. /s/ Timothy D. Yang, as Attorney-in-Fact 2019-07-12