144 0001627951 XXXXXXXX LIVE 0001698990 Magnolia Oil & Gas Corporation 001-38083 Nine Greenway Plaza, Suite 1300 Houston TX 77046 713-842-9050 Timothy D. Yang Officer Class A Common Stock Charles Schwab Corp.

3000 Schwab Way Westlake TX 76262

150000 4383000.00 180882426 03/09/2026 NYSE Class A Common Stock 03/01/2025 Equity Awards Issuer N 34416 03/01/2025 Equity Compensation Class A Common Stock 03/01/2024 Equity Awards Issuer N 84018 03/01/2024 Equity Compensation Class A Common Stock 03/01/2023 Equity Awards Issuer N 23183 03/01/2023 Equity Compensation Class A Common Stock 02/25/2023 Equity Awards Issuer N 15027 02/25/2023 Equity Compensation Y Aggregate Market Value calculated using the closing price on March 6, 2026. 03/09/2026 /s/ Timothy D. Yang