W Phillip Marcum

W. Phillip Marcum was a director of WellTech, Inc. from January 1994 until March 1996, when WellTech was merged into the Company. From October 1995 until March 1996, Mr. Marcum was the non-executory Chairman of the Board of Directors of WellTech. He was Chairman of the Board, President and Chief Executive Officer of Metretek Technologies, Inc., formerly known as Marcum Natural Gas Services, Inc., from January 1991 to April 2007 when he retired. The company is now known as PowerSecure International, Inc. Mr. Marcum also serves on the board of directors of ADA-ES, a Denver, Colorado based, publicly-held company. He is presently a principal in MG Advisors, LLC. He holds a BBA from Texas Tech University.