Anadarko Petroleum Corporation

Shell Energy North America 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 Energy North America maintains a location in Houston.

Kinder Morgan Management, also known as KMR, manages and controls the business and affairs of Kinder Morgan Energy Partners. Kinder Morgan Energy Partners is one of the leading pipeline transportation and energy storage companies in North America. It operates more than 24,000 miles of pipelines and over 150 terminals. The company s pipelines transport natural gas, gasoline and crude oil. Its terminals store petroleum products and chemicals and handle bulk materials, including coal and petroleum. Kinder Morgan Energy Partners provides carbon dioxide for various oil recovery projects. The company owns one of the largest intrastate pipeline systems in Texas. ETP markets propane for nearly 1 million customers throughout the United States.

Plains Marketing is a subsidiary of Plains All American Pipeline, a master limited partnership engaged in interstate and intrastate crude oil transportation. The company also gathers, markets and stores crude oil, as well as markets and stores liquefied petroleum gas and other petroleum products. Plains All American Pipeline has a 50 percent ownership in PAA/Vulcan Gas Storage, which develops and operates a variety of natural gas storage facilities. It is one of the largest independent midstream crude oil companies in North America. The company handles more than 3 million barrels per day of physical crude oil through a network of assets throughout the United States and Canada. Plains Marketing maintains a location in Houston.