EP EL Paso Corp. (Holding Co.)

Jim Cleary, senior vice president of El Paso Pipeline Partners, L.P. (NYSE: EPB) and president of Western Pipelines for El Paso Corporation (NYSE: EP), will present on Wednesday, May 25, at the National Association of Publicly Traded Partnerships 2011 MLP Investor Conference in Greenwich, Connecticut. The presentation will begin at 1:15 p.m. EDT, 12:15 p.m. CDT with an audio webcast available on the Investors page of El Paso Pipeline Partner's website at www.eppipelinepartners.com. Presentation slides will also be available prior to the presentation on the Investors page of the partnership's website.

El Paso Pipeline Partners, L.P. is a Delaware limited partnership formed by El Paso Corporation to own and operate natural gas transportation pipelines and storage assets. El Paso Corporation currently owns a 42 percent limited partner interest and 2 percent general partner interest in the partnership. El Paso Pipeline Partners, L.P. owns Wyoming Interstate Company, L.L.C. (WIC), Southern LNG Company, L.L.C. (SLNG), El Paso Elba Express Company, L.L.C. (Elba Express), an 85 percent interest in Southern Natural Gas Company (SNG), and a 58 percent interest in Colorado Interstate Gas Company (CIG). WIC and CIG are interstate pipeline systems serving the Rocky Mountain region; SLNG owns the Elba Island LNG storage and regasification terminal near Savannah, Georgia; and both Elba Express and SNG are interstate pipeline systems serving the southeastern region of the United States. For more information about El Paso Pipeline Partners, visit www.eppipelinepartners.com.

Contacts Investor and Media Relations Bruce Connery Vice President (713) 420-5855 Media Relations Bill Baerg Manager (713) 420-2906