Earthstone Energy, Inc. announced that G. Bret Wonson resigned, effective February 9, 2017, from his position as Vice President and Principal Accounting Officer of the Company. Mr. Wonson served the Company since December 2014, and resigned from the position not as a result of any dispute or disagreement with the Company. On January 25, 2017, Mr. Frank A. Lodzinski, the Company's Chairman, Chief Executive Officer and President, appointed Mr. Tony Oviedo, CPA, age 63 as the Company's Executive Vice President and Principal Accounting Officer, effective February 10, 2017. Since March 2006, Mr. Oviedo has served as the Senior Vice President, Chief Financial Officer, Chief Accounting Officer, and Controller of GeoMet, Inc.