Tetra Technologies, Inc.

John F. Glick

Director

Mr. Glick has served as a member of our Board of Directors since January 2014, as Chairman of our Nominating and Corporate Governance Committee since May 2015, and has been a member of that committee and our Compensation Committee since May 2014. Mr. Glick served as the chief executive officer and a director of Lufkin Industries, Inc., a public company subject to the reporting requirements of the Exchange Act, from March 2008 until his retirement in July 2013 and served as Lufkin’s president and a director since August 2007. During his tenure, Mr. Glick oversaw the growth of Lufkin and, ultimately, the sale of the company to General Electric in July 2013. From September 1994 through August 2007, Mr. Glick served as the vice president and general manager of Lufkin’s Power Transmission Division. He served as vice president and general manager of Lufkin’s Oilfield Division from August 2007 through August 2008. Prior to joining Lufkin, from 1974 through 1994, Mr. Glick held several senior management level positions with Cameron Iron Works, Inc. Mr. Glick currently serves as chairman of the board of directors and as a member of the audit, nomination/governance, and remuneration committees of Hunting PLC, an FTSE 350 public company traded on the London Stock Exchange. Mr. Glick also serves as the vice chairman of the board of directors of CHI St. Luke's Health and sits on its executive committee, and is a director of CHI St. Luke's Memorial Health. Mr. Glick received a B.S. in Journalism from the University of Kansas and graduated from the Harvard Graduate School of Business Program for Management Development.