In connection with and upon the closing of the transaction, the omnibus agreement between Exterran Partners and Exterran Holdings will be amended to, among other things, (i) increase the cap on selling, general and administrative costs from $10.5 million per quarter to $12.5 million per quarter, for the remainder of 2013, and to $15.0 million per quarter on January 1, 2014 and extending through the remainder of 2014, and (ii) increase the cap on operating costs from $21.75 per horsepower per quarter to $22.50 per horsepower per quarter, beginning on January 1, 2014, and extending through the remainder of 2014. These caps will now terminate on December 31, 2014, unless otherwise extended.The transaction was approved by the conflicts committee of the board of directors of Exterran Partners’ managing general partner. The conflicts committee, which is comprised entirely of independent directors, retained independent legal and financial advisors to assist it in evaluating the transaction. About Exterran Holdings and Exterran Partners Exterran Holdings, Inc. is a global market leader in full service natural gas compression and a premier provider of operations, maintenance, service and equipment for oil and gas production, processing and transportation applications. Exterran Holdings serves customers across the energy spectrum—from producers to transporters to processors to storage owners. Headquartered in Houston, Texas, Exterran has approximately 10,000 employees and operates in approximately 30 countries. Exterran Partners, L.P. is the leading provider of natural gas contract operations services to customers throughout the United States. Exterran Holdings owns an equity interest in Exterran Partners, including all of the general partner interest. For more information, visit www.exterran.com. Forward-Looking Statements All statements in this release (and oral statements made regarding the subjects of this release) other than historical facts are forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended. These forward-looking statements rely on a number of assumptions concerning future events and are subject to a number of uncertainties and factors, many of which are outside the control of Exterran Holdings and Exterran Partners (the “Companies”), which could cause actual results to differ materially from such statements. Forward-looking information includes, but is not limited to, the Companies’ financial and operational strategies and ability to successfully effect those strategies; statements regarding the ability of the Companies to complete their proposed transaction; the amendments to the omnibus agreement and the expected timing of the closing of the transaction; the expected benefits of the transaction and the overall dropdown strategy to the Companies; and Exterran Holdings’ intention to continue to offer the balance of its U.S. contract operations assets to Exterran Partners.