Matador Resources Promotes Christopher P. Calvert To CFO, Glenn W. Stetson To COO, Effective April 21

Matador Resources Company (NYSE:MTDR) ("Matador") today announced the following promotions, effective as of April 21, 2026:

• Christopher P. Calvert has been promoted to Executive Vice President and Chief Financial Officer
• Glenn W. Stetson has been promoted to Executive Vice President and Chief Operating Officer