Keith Selinger is Vice President of Reservoir Engineering and Environmental Services for GSM. His
responsibilities include oil and gas property evaluation, reserve determinations, expert witness in civil lawsuits and before state oil and gas commissions, among other work assignments. Mr. Selinger received a
Bachelor of Science degree in Geology from the University of Tulsa, a Master of Science degree in Geology from the University of Arizona, and a Bachelor of Science degree in Petroleum Engineering from the
University of Wyoming. He has 33 years of practical reservoir engineering experience both offshore Gulf Coast and onshore continental United States.

Mr. Selinger is involved in compiling, studying, analyzing, and interpreting data to make recommendations concerning workover, remedial work and production practices. He has conducted engineering and
geological studies of wells and reservoirs and made recommendations relative to drilling prospects and workovers. He has also prepared full oil and gas property appraisals with projections of reserves and cash flows, and conducts a Reservoir engineering and economic evaluation school in connection with GSM’s training service. He currently manages all GSM assignments relative to environmental liability and assessments.