HOUSTON, TX--(Marketwire - April 18, 2012) - El Paso Pipeline Partners, L.P. (NYSE: EPB) announced today that it has received a proposal from El Paso Corporation (NYSE: EP) whereby the partnership would purchase from El Paso Corporation the remaining 14 percent of Colorado Interstate Gas Company, L.L.C. and all of Cheyenne Plains Investment Company, L.L.C. which owns Cheyenne Plains Gas Pipeline Company, L.L.C. The proposal is subject to approval by the Board of Directors of El Paso Corporation. The Board of Directors of EPB's general partner, El Paso Pipeline GP Company, L.L.C. ("EPB GP"), has formed a committee made up of independent directors to review the proposal. Following the committee's review, the proposal must also be approved by EPB GP's full Board of Directors. If approved, the transaction is expected to close contemporaneously with Kinder Morgan, Inc.'s acquisition of El Paso Corporation and be immediately accretive to distributable cash flow.

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 owns a 42 percent limited partner interest, and the 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), Elba Express Company, L.L.C. (Elba Express), Southern Natural Gas Company, L.L.C. (SNG), and an 86 percent interest in Colorado Interstate Gas Company, L.L.C. (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.

Cautionary Statement Regarding Forward-Looking Statements

This release includes forward-looking statements and projections. El Paso Pipeline Partners 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, our ability to complete any acquisitions from El Paso Corporation or the timing of such transactions; volatility in, and access to capital markets, the ability to obtain necessary governmental approvals for proposed pipeline projects and to successfully construct such projects on a timely basis and within estimated costs; operating hazards, natural disasters, weather-related delays, casualty losses and other matters beyond our control; the risks associated with contracting and recontracting of transportation commitments; regulatory uncertainties associated with pipeline rate cases; actions taken by customers, third-party operators, processors and transporters; conditions in geographic regions or markets served by El Paso Pipeline Partners and its affiliates and equity investees or where its operations and affiliates are located; the effects of existing and future laws and governmental regulations; competitive conditions in our industry; changes in the availability and cost of capital; and other factors described in El Paso Pipeline Partners' (and its affiliates') Securities and Exchange Commission filings. While these statements and projections are made in good faith, El Paso Pipeline Partners and its management cannot guarantee that anticipated future results will be achieved. Reference must be made to those filings for additional important factors that may affect actual results. El Paso Pipeline Partners assumes no obligation to publicly update or revise any forward-looking statements made herein or any other forward-looking statements made, whether as a result of new information, future events, or otherwise.