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Mr. Danner joined the Board of Directors in October 2013 and has served as Chairman of the Board of Directors since November 2018. Since January 2018 Mr. Danner has served as an Operating Partner of SCF Partners, a private equity firm focused on oil service investments, which he joined in October 2012. Currently Mr. Danner serves as Chairman of the board of directors of Nine Energy Service, Inc., a NYSE listed company providing completion and production services to oil and gas producers in North America and Chairman of the board of directors of BCCK Engineering, Inc, a private company that designs, fabricates and installs natural gas processing plants in North America. Mr. Danner served as President and Chief Executive Officer of Exterran Holdings Inc. from July 2009 to October 2011 and as a member of its board of directors from 1998 to October 2011. He also served as President, Chief Executive Officer and a director of Exterran GP LLC the general partner of Exterran Partners L.P. Exterran was a global leader in natural gas compression products and services and a provider of equipment and solutions for processing, production, air emissions and water treatment to the energy sector with over 10,000 employees with operations in 30 countries. Mr. Danner has a Masters of Accounting and Bachelor of the Arts degree from Rice University. Mr. Danner holds 60,146 common shares in the Company.