Mr. Shanfelter served from 2001 to 2008 as a member of the Board of Directors
Austin J. Shanfelter

Mr. Shanfelter served from 2001 to 2008 as a member of the Board of Directors
Mr. Amonett was President, Chief Executive Officer and a director of Athlon Solutions, LLC, a
Mr. Caliel served as President and Chief Executive Officer for Layne Christensen Company (NASDAQ: LAYN)
Mr. Daerr founded RK Enterprises in 1997, a firm that has assisted companies and investor
Ms. Foran is Chief Governance Officer, Senior Vice President and Corporate Secretary of Prudential Financial,
Ms. Sullivan currently serves as CFO for Susser Holdings II, L.P. From 2000 to 2015,
Mr. Stauffer has served as Chief Executive Officer since 2015 and has served as Orion