On November 3, 2022, David Baldwin resigned from the Board of Directors (the “Board”) of Select Energy Services, Inc. (the “Company”), effective immediately. His resignation was not the result of any disagreement with the Company or any of its affiliates on any matter relating to the operations, policies or practices of the Company. On November 4, 2022, at the recommendation of the Nominating, Governance and Sustainability Committee of the Board, the Board appointed Robin Fielder as an independent director to fill the vacancy created by Mr. Baldwin's resignation.

Concurrently with her appointment to the Board, Ms. Fielder was appointed to both the Audit Committee and the Nominating, Governance and Sustainability Committee of the Board.