HOUSTON, TEXAS, April 12, 2004—El Paso Corporation (NYSE:EP) announced that it agreed to sell its one-third interest in a portion of its Australian pipeline holdings to Hastings Funds Management. The assets sold include 1,180 miles of pipelines in South Australia, Queensland and Western Australia. El Paso expects to receive approximately $48 million for its share in the equity of these assets. The transaction is expected to close in the second quarter of 2004.

This sale supports El Paso's recently announced long-range plan to reduce the company's debt, net of cash, to approximately $15 billion by year-end 2005. To date, the company has announced or closed approximately $3.0 billion of the $3.3 to $3.9 billion of asset sales targeted under the plan. An asset sales tracker that shows all of the announced and completed assets sales is posted at www.elpaso.com under Investor Resources.

El Paso Corporation provides natural gas and related energy products in a safe, efficient, dependable manner. The company owns North America's largest natural gas pipeline system and one of North America's largest independent natural gas producers. For more information, visit www.elpaso.com.

This release includes forward-looking statements and projections, made in reliance on the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. The company has made every reasonable effort to ensure that the information and assumptions on which these statements and projections are based are current, reasonable, and complete. However, a variety of factors could cause actual results to differ materially from the projections, anticipated results or other expectations expressed in this release, including, without limitation, the ability to implement and achieve our objectives in the long-range plan; the successful implementation of the settlement related to the western energy crisis; actions by the credit rating agencies; the successful close of our financing transactions; our ability to successfully exit the energy trading business; our ability to divest of certain assets; changes in commodity prices for oil, natural gas, and power; inability to realize anticipated synergies and cost savings associated with restructurings and divestitures on a timely basis; changes in reserves estimates based upon internal and third party reserve analyses; general economic and weather conditions in geographic regions or markets served by El Paso Corporation and its affiliates, or where operations of the company and its affiliates are located; the uncertainties associated with governmental regulation; the uncertainties associated with the outcome of governmental investigations; the outcome of pending litigation including shareholder derivative and class actions; political and currency risks associated with international operations of the company and its affiliates especially due to the instability in Brazil and economic conditions in Mexico; difficulty in integration of the operations of previously acquired companies, competition, and other factors described in the company's (and its affiliates') Securities and Exchange Commission filings. While the company makes these statements and projections in good faith, neither the company nor its management can guarantee that anticipated future results will be achieved. Reference must be made to those filings for additional important factors that may affect actual results. The company assumes no obligation to publicly update or revise any forward-looking statements made herein or any other forward-looking statements made by the company, whether as a result of new information, future events, or otherwise.