Mr. Rosenthal has served as one of our directors since January 2018 and was appointed as Lead Independent Director of the Board in August 2023. Mr. Rosenthal has been a partner in The Sterling Group, L.P. and/or one or more of its funds since January 2005. The Sterling Group is a private equity firm based in Houston, Texas. From October 2013 until February 2018, he was Chairman of the Board of Safe Fleet Investments LLC, a privately held Sterling Group portfolio company. He served as Chairman of the Board of Highline Aftermarket LLC, a former privately held Sterling Group investment, from September 2019 until October 2020 and as a director from April 2016 until October 2020. Mr. Rosenthal served as Chairman of the Board of Greenbridge Investments LLC from March 2019 until February 2026 and Evergreen Recycling Investments LLC from June 2021 until February 2026. He currently serves as a director of Ergotron Investments LLC since July 2022. Greenbridge Investments LLC, Evergreen Recycling Investments LLC and Ergotron Investments LLC all are or were privately held Sterling Group portfolio companies. From 2001 until 2018, Mr. Rosenthal served as a director and chairman of the Compensation Committee of Oil States International, Inc. He also served as Chairman of the Board of privately held Hydrochem Holdings, Inc. from May 2003 until December 2004. From August 1998 to April 2001, he served as Chief Executive Officer of AXIA Incorporated, a privately held diversified manufacturing company. Beginning in 1991, Mr. Rosenthal served as Executive Chairman and then after its initial public offering until August 1994, as Chairman and Chief Executive Officer of Wheatley-TXT Corp., a manufacturer of pumps and valves for the oilfield. Mr. Rosenthal holds J.D. and A.B. degrees from Harvard University. We believe that Mr. Rosenthal s qualifications to serve on our Board include his extensive executive leadership experience and his experience in the energy sector.