About John P. RyanMr. Ryan served as President and Chief Executive Officer of Dresser, Inc. from 2007 until its acquisition by General Electric in 2011. Mr. Ryan was President and Chief Operating Officer of Dresser, Inc. from 2004 to 2007 and served as President of Dresser Wayne from 1996 to 2004. Mr. Ryan previously served as a Vice President of Dresser Wayne since 1991, having joined the company in 1987. Mr. Ryan currently serves as a director of Hudson Products, Inc. and as a member of the Board of Directors of The Village of Hope in Salisbury, Maryland. Additional Information The Company has filed a proxy statement (the "Proxy Statement") with the Securities and Exchange Commission (the "SEC") in connection with the solicitation of proxies for the 2013 Annual Meeting. Details concerning the nominees of the Company's Board of Directors for election at the 2013 Annual Meeting are included in the Proxy Statement. This press release may be deemed to be solicitation material in respect of the 2013 Annual Meeting. In connection with the 2013 Annual Meeting the Company will file with, or furnish, to the SEC all additional relevant materials. BEFORE MAKING ANY VOTING DECISION, INVESTORS AND STOCKHOLDERS OF THE COMPANY ARE URGED TO READ ALL RELEVANT DOCUMENTS FILED WITH OR FURNISHED TO THE SEC, INCLUDING THE COMPANY'S DEFINITIVE PROXY STATEMENT, BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION. Investors and stockholders may obtain a copy of the definitive Proxy Statement and other documents filed by the Company free of charge from the SEC's website, www.sec.gov. The Company's stockholders also may obtain, without charge, a copy of the definitive Proxy Statement and other relevant documents by directing a request by mail to Investor Relations, Exterran Holdings, Inc., 16666 Northchase Drive, Houston, Texas 77060, or from the Company's website at www.exterran.com. The Company and its directors and executive officers and certain other members of its management and employees may be deemed to participate in the solicitation of proxies in respect of the 2013 Annual Meeting. Additional information regarding the interests of such potential participants is included in the definitive Proxy Statement.