Michael Creel

TEPPCO Partners LP is a publicly traded energy logistics partnership with operations that span much of the continental United States. TEPPCO owns and operates an extensive network of assets that facilitate the movement, marketing, gathering and storage of various commodities and energy-related products. The partnership's midstream portfolio of assets comprises pipelines that gather and transport refined petroleum products, crude oil, natural gas, liquefied petroleum gases (LPGs) and natural gas liquids (NGLs), and includes one of the largest common carrier pipelines for refined petroleum products and LPGs in the United States. TEPPCO also owns a marine business that operates primarily on the United States inland and Intracoastal Waterway systems, and in the Gulf of Mexico.

The Group's principal activity is to explore, develop and produce oil and natural gas. Its exploration activity is based on an integrated geologic interpretation method incorporating 3-D seismic technology and advanced visualization and data analysis techniques utilizing state-of-the-art computer hardware and software. The operations are conducted primarily along the onshore United States, Gulf Coast with its primary emphasis in South Texas and South Central Louisiana.

Enterprise Products Operating LP provides processing and transportation services to producers and consumers of natural gas liquids. The company is headquartered in Houston, TX

Enterprise GP Holdings LP explores and produces natural gas and provides other energy related services. It offers offshore pipelines and services, onshore natural gas pipelines and services, natural gas liquid pipelines and services and petrochemical services. Enterprise GP Holdings is headquartered in Houston, TX.

Duncan Energy Partners LP acquires, owns, and operates a diversified portfolio of midstream energy assets. It engages in the businesses of natural gas liquids, transportation, petrochemical and refined products, and fractionation and marketing. The company was founded by Dan L. Duncan in September 2006 and is headquartered in Dallas, TX.

Enterprise Products Operating LLC engages in the provision of processing and transportation services to producers and consumers of natural gas liquids. It operates pipelines, fractionation, processing, and octane enhancement. The company was founded in 1998 and is headquartered in Houston, TX.