On March 25, 2019, Mr. Giljoon Sinn notified EP Energy Corporation of his resignation from the company’s Board of Directors, effective April 1, 2019. Mr. Sinn’s resignation was made at the direction of Korea National Oil Corporation (the “KNOC Sponsor”) in connection with a rotational assignment. Pursuant to its director appointment rights under the company’s stockholders agreement dated August 30, 2013, the KNOC Sponsor designated Mr. Jae Hwii Gwag to replace Mr. Sinn on the Board, effective as of April 1, 2019, which designation was approved by the company’s Board. Mr. Gwag is also expected to serve on the Board’s Compensation and Governance & Nominating Committees.