Travis Property Management LLC

Founded in 1937, Ryder Scott Petroleum Consultants evaluates oil and gas properties and independently certifies petroleum reserve quantities. The firm performs several hundred consulting studies per year for a variety of clients, including those preparing annual petroleum reserve certifications for filers with the United States Securities and Exchange Commission, as well as clients listed on the London, Ontario, Toronto, Hong Kong and Australian stock exchanges. With more than 60 professional petroleum engineers and geoscientists, the firm conducts reserves evaluations, geoscience and geology studies, field development and enhanced oil recovery design, reservoir simulation, economic analysis, management consulting and expert witness testimony. It also provides a complete range of professional engineering, geoscientific and economic evaluation services. The Houston-based firm has branch offices in Calgary and Denver.

Established in 2001, Professional Directional Ltd. is a directional services company, serving the oil and gas drilling industry. Located in Conroe, Texas, it offers a wide range of services, including various categories of drilling, such as conventional directional, underbalanced, horizontal, multiwell pad and hot hole. In addition, it provides vertical control, performance motor drilling, well planning and field reporting services. Its list of clients includes J-W Operating Company, Samson, Hilcorp Energy Company, Hunt Petroleum, Elora Energy and many more.

Black Stone Minerals Company, a privately-owned Delaware limited partnership located in Houston, Texas, and is one of the largest fee mineral and royalty owners in the United States. Along with its private equity funds, Black Stone s ownership includes in excess of 15,000 wells and approximately 13.2 million gross acres located in more than 35 states. Since 1999, the company has closed nine large acquisitions of mineral properties with producing royalty totaling approximately $380 million, from large corporations to family-held entities.