ÂÜÀòÂÒÂ×

Christopher D. Sorrells has served as a member of ENG Board since August 2021. Currently, Mr. Sorrells is Managing Director of Pearl Energy Investments, a $1.2 billion private equity fund focused on the energy and sustainability industries, and Chief Executive Officer and a director of each of Spring Valley Acquisition Corp. (NASDAQ: SV) and Spring Valley Acquisition Corporation II. Prior to Spring Valley, he was Interim CEO of Wellsite Fishing & Rentals Services, LLCs, an oilfield services company focused on the Marcellus region.

From August 2015 to September 2019, he was a member of the Board of Directors and the Chief Operating Officer of GSE Systems, Inc. (NASDAQ: GVP), a publicly traded engineering and expert staffing company for the power and process industries. From 2005 to 2015, he served as Managing Director at NGP Energy Technology Partners, L.P., a private equity firm investing in companies that provide products and services to the energy, power, and environmental industries.

From 2003 to 2005, Mr. Sorrells worked at Clarity Partners, L.P. a private equity firm, focused on growth and LBO transactions. Mr. Sorrells served as a principal with

Banc of America Securities from 1998 to 2002 and as an associate with Salomon Smith Barney Holdings from 1996 to 1998. Mr. Sorrells holds an M.B.A. from the College of William and Mary, a Master of Accounting degree from the University of Southern California, and a B.A. from Washington and Lee University.