On June 21, 2017, André Weiss, a member of the board of directors of Mammoth Energy Services, Inc., informed the Company that he was resigning as a member of the Board effective on that date. Prior to his resignation, Mr. Weiss also served on the Board’s Audit Committee and Compensation Committee. Effective June 26, 2017, the Board appointed James D. Palm to fill the vacancies on the Board and the Board’s Audit Committee and Compensation Committee created by Mr. Weiss’ resignation. As provided in the Company’s bylaws, Mr. Palm will serve until the next Annual Meeting of the Company’s Stockholders or until his earlier death, resignation, retirement, disqualification or removal. Mr. Palm most recently served as a director of Gulfport Energy Corporation from February 2006 and as Chief Executive Officer of Gulfport from December 2005, in each case until his retirement in February 2014. Prior to joining Gulfport, Mr. Palm pursued oil and gas investments primarily in Oklahoma, the Texas Panhandle and Kansas as the manager and owner of Crescent Exploration, LLC. Mr. Palm currently serves as a member of the Industry Advisory Committee of the Oklahoma Corporation Commission. From October 2001 through October 2003, Mr. Palm served as the Chairman of the Oklahoma Energy Resources Board. From 1997 through 1999, Mr. Palm served as the President of the Oklahoma Independent Petroleum Association.