G. Clyde Buck

Frontier Oil Corp. is an energy company, which is engaged in crude oil refining and wholesale marketing of refined petroleum products. The company operates refineries in Cheyenne, Wyoming and El Dorado, Kansas. Frontier Oil purchases crude oil to be refined and markets the refined petroleum products produced, including various grades of gasoline, diesel fuel, jet fuel, asphalt, chemicals and petroleum coke. The Cheyenne Refinery has a permitted crude oil capacity of 52,000 bpd and markets its refined products primarily in the Eastern slope of the Rocky Mountain region, which encompasses Eastern Colorado, Eastern Wyoming and Western Nebraska. It has a coking unit, which allows the refinery to process heavy crude oil for use as a feedstock. The El Dorado Refinery is in the Plains States and the Rocky Mountain region with crude oil capacity of 135,000 bpd. It markets gasoline and diesel in Denver and throughout the Plains States. Frontier Oil also owns Ethanol Management Co., a products terminal and blending facility located near Denver, Colorado. The company was founded in 1949 and is headquartered in Houston, TX.

Smith International, Inc. provides premium products and services used for the drilling, completion and production phases of oil and natural gas development activities. It has three operating divisions, namely M-I SWACO, Smith Oilfield and Distribution. Company was founded in 1902 and is headquartered in Houston, TX.

Sanders Morris Harris LLC (SMH) is an SEC-registered broker-dealer and member FINRA, SIPC, located in Houston, Texas. The firm is also an SEC-registered investment advisor. SMH was formed in January 2000 as the result of a merger between Sanders Morris Mundy, Inc. and Harris Webb & Garrison, Inc. The firm is now wholly-owned by Summer Wealth Management LLC. The ultimate principal owners of Summer Wealth Management, LLC are Lee Equity Partners LLC and The Edelman Financial Center, Inc. through intermediaries. SMH provides provides brokerage, asset management and similar services to individuals, high net-worth individuals, pension and profit sharing plans, trusts, estates, and corporations and other business entities.

RBC Wealth Management (RBCWM) is wealth management division of RBC Capital Markets Equity Research, which is ultimately owned by Royal Bank of Canada (NYSE; TSE: RY). Formerly known as RBC Dain Rauscher, Inc., the firm was founded in 2001 and is headquartered in Minneapolis, Minnesota. RBCWM provides trusted advice and wealth management solutions to individuals, families and institutions.

Rotan Mosle, Inc. provides investment banking and securities brokerage services.

Part of Edelman Financial Engines LLC, Harris Webb & Garrison, Inc. operates in investment banking, securities dealing, and recycling company. The company is based in Houston, TX. The company was founded by Robert E. Garrison.