Constellation

Gexa Energy is a retail electricity provider based in Houston that has been serving residential and commercial customers since 2002. It serves approximately 172,000 customers in Texas. Gexa Energy provides a range of energy options, including Gexa Green, which is wind-powered energy. The company s customers include hospitals, grocery stores, and manufacturing and industrial facilities. It is a retail subsidiary of FPL Energy, which is one of the largest generators of wind power in the United States. The parent company also operates Florida Power & Light Company, which is one of the largest electric utilities providers in the United States.

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.