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 tomorrow, December 10, at the Seventh Annual Wachovia Pipeline and Energy MLP Conference in New York. The presentation will begin at 8 a.m. EST, 7 a.m. CST with an audio webcast and presentation slides available on the Investors pages of El Paso Pipeline Partner's Web site at www.eppipelinepartners.com and El Paso Corporation's Web site at www.elpaso.com. Presentation slides will be available approximately one hour before the presentation.

El Paso Pipeline Partners, L.P. is a Delaware limited partnership formed by El Paso Corporation to own and operate natural gas transportation pipelines, storage, and other midstream assets. El Paso Pipeline Partners, L.P. owns Wyoming Interstate Company, a pipeline system serving the Rocky Mountain region, a 40 percent interest in Colorado Interstate Gas Company (CIG), and a 25 percent interest in Southern Natural Gas Company's (SNG) pipelines, which operate in the Rocky Mountain and Southeastern regions of the United States, respectively. El Paso Corporation owns the remaining interests in CIG and SNG. For more information about El Paso Pipeline Partners, visit www.eppipelinepartners.com.

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

Contacts: Investor and Media Relations Bruce L. Connery Vice President Office: 713-420-5855 Media Relations Bill Baerg Manager Office: 713-420-2906