“This project demonstrates the organic growth opportunities resulting from TEPPCO’s investment in Jonah,” said William L. Thacker, chairman and chief executive officer of the general partner of TEPPCO. “This project expands Jonah’s gathering capabilities into the emerging Pinedale Field and shows TEPPCO’s commitment to providing quality gathering services to the region’s producers.”

The expansion will include installation of 43 miles of 20-inch and 24-inch diameter pipe, 9,000 horsepower of compression and enhanced liquid handling facilities at two compressor stations. The project is expected to be completed and in service in fourth quarter 2002.

The Jonah System gathers natural gas from the Green River Basin in southwestern Wyoming, one of the most prolific and active basins in the United States. Gas gathered on the system is primarily processed by others and delivered to several interstate pipeline systems that provide access to a number of West Coast, Rocky Mountain and Midwest markets. The Jonah System is commercially managed and operated by Duke Energy Field Services, LLC (DEFS), one of the nation’s leading natural gas gathering and processing companies.

TEPPCO Partners, L.P. is a publicly traded master limited partnership, which conducts business through various subsidiary operating companies. TEPPCO owns and operates one of the largest common carrier pipelines of refined petroleum products and liquefied petroleum gases in the United States; owns and operates petrochemical and natural gas liquid pipelines; is engaged in crude oil transportation, storage, gathering and marketing; owns and operates a natural gas gathering system; and owns a 50-percent interest in Seaway Crude Pipeline Company, an interest in Centennial Pipeline LLC, and an undivided ownership interest in the Rancho and Basin Pipelines. Texas Eastern Products Pipeline Company, LLC, an indirect wholly owned subsidiary of Duke Energy Field Services, LLC, is the general partner of TEPPCO Partners, L.P. For more information, visit TEPPCO’s website at www.teppco.com.

Except for the historical information contained herein, the matters discussed in this news release are forward-looking statements that involve certain risks and uncertainties. These risks and uncertainties include, among other things, market conditions, governmental regulations and factors discussed in TEPPCO Partners, L.P. filings with the Securities and Exchange Commission.