On February 8, 2019, Mr. Thomas R. Fuller, a member of the board of directors of Hálcon Resources Corporation and also serving as Chairman of the Reserves Committee and as a member on the Audit Committee of the Board, notified the Board that he intended to resign from the Board effective February 25, 2019. Mr. Fuller’s decision to resign is for personal reasons and not the result of a disagreement with the Company or any of its subsidiaries on any matter relating to the Company’s operations, policies or practices.