On April 28, 2022, Wynne M. Snoots, Jr. informed Earthstone Energy, Inc. that he will not stand for re-election to the Board of Directors (the Board") of the Company at the 2022 Annual Meeting of Stockholders (the 2022 Annual Meeting"). Mr. Snoots' decision was not based on any disagreement with the Company on any matter relating to the Company's operations, policies or practices. Mr. Snoots has been a member of the Board since 2017 and will remain a director until the 2022 Annual Meeting.