On January 6, 2017, Carlos M. Sepulveda, Jr. notified Matador Resources Company (the “company”) of his resignation from the board of directors of the company as of such date in order to devote more time to his other public board commitments, including his service as chairman of one public company and lead independent director of another public company. Mr. Sepulveda served as a member of the audit, nominating and executive committees of the company’s Board. Following Mr. Sepulveda’s resignation, on January 6, 2017, William M. Byerley, formerly an oil and gas assurance partner with PricewaterhouseCoopers (PwC), was appointed by the company’s Board as chairman of the audit committee.