Denbury Resources Inc

Shell Oil Products U.S. is a subsidiary of the Shell Oil Company, a leading oil and gas producer in the deep water Gulf of Mexico, a recognized pioneer in oil and gas exploration and production technology and one of America s leading oil and natural gas producers, gasoline and natural gas marketers and petrochemical manufacturers. The company operates in 50 states and employs more than 22,000 people delivering energy in technically innovative ways. As one of the largest providers of transport fuels, the company is committed to helping drivers use less energy and reduce emissions with advanced fuels and lubricants, leading the search for better biofuels and promoting government policies to reduce CO2 emissions from transport. It is an affiliate of the Shell Group, a worldwide group of energy and petrochemical companies that operate in more than 140 countries and territories. The Shell Group was started from an alliance made in 1907 between Royal Dutch Petroleum Company and The Shell Transport and Trading Company. Shell Oil Products U.S. maintains a location in Houston.

Blue Dolphin Pipe Line is involved in the trading and transportation of gases and liquids through pipelines. It is a subsidiary of the Blue Dolphin Energy Company. Blue Dolphin Energy Company engages in the exploration, acquisition, development and operation of oil and gas properties. Its areas of operation include condensation and development of oil and gas properties. It operates its gathering and transportation business through its active pipeline systems, including Blue Dolphin Pipeline and the Galveston 350 system. Its pipeline systems are located in the Western Gulf of Mexico and serve its customers through redelivery to the shore facilities and petrochemical complexes of the Upper Texas Gulf Coast. Blue Dolphin Pipe Line is located in Freeport, Texas.