On December 8, 2016, James H. Shonsey, Vice President-Chief Accounting Officer and Assistant Secretary, confirmed that he will retire as an officer and employee of Cimarex Energy Co. on or about February 2, 2017. On December 8, 2016, the Board of Directors of the Company approved the appointment of Timothy A. Ficker as the Company's Vice President-Chief Accounting Officer, Controller and Assistant Secretary, commencing upon the effective date of the retirement of Mr. Shonsey as the Company's Vice President-Chief Accounting Officer and Assistant Secretary. Mr. Ficker, age 49, has served as the Company's Controller since September 2016.