Hanover Compressor Shareholders Re-Elect Directors; Gordon T. Hall Appointed Chairman of the Board

May 19, 2005

HOUSTON--(BUSINESS WIRE)--May 19, 2005--Hanover Compressor Company (NYSE:HC) announced today that, at its Annual Meeting of Shareholders in Houston, all current members of the Board of Directors have been re-elected and that shareholders have ratified the selection of PricewaterhouseCoopers as its independent registered public accounting firm for 2005.

At its meeting immediately following the Shareholders' Meeting, the Board of Directors appointed Gordon T. Hall as Chairman of the Board, succeeding Victor Grijalva. Mr. Grijalva announced previously that he was retiring after the Annual Shareholders' Meeting. At the Board's request, he has agreed to remain on the Board and will continue to serve as a member of the Management Development and Compensation Committee and as Chairman of the Nominating and Governance Committee.

"I am grateful to the Board for their support and for the strong leadership and business vision of the outgoing Chairman," Mr. Hall said. "I share Victor and the full Board's commitment to Hanover's shareholders, employees and customers as we continue to build a global organization that can leverage worldwide growth opportunities."

Mr. Hall is a retired Managing Director and Senior Advisor of Credit Suisse First Boston where he was a top-ranked oil field services analyst for twelve years. He has extensive industry experience and brings a distinct focus on operational goals, incentives and returns. In addition to his service on Hanover's Board, Mr. Hall serves as a Director of Hydril Company and as a director or advisor to several privately held and non-profit organizations.

"Hanover is fortunate to have such highly respected and trusted individuals serving successively as Board Chairman," said John Jackson, President and Chief Executive Officer. "I look forward to Gordon continuing the strong disciplined leadership and vision that Victor has brought to the organization and I'm pleased that we will continue to benefit from Victor's expertise and Board service."

Hanover's Board of Directors is comprised of I. Jon Brumley, Ted Collins, Jr., Margaret K. Dorman, Robert R. Furgason, Victor E. Grijalva, Gordon T. Hall, John E. Jackson, Stephen E. Pazuk and Alvin V. Shoemaker.

About Hanover Compressor Company

Hanover Compressor Company (NYSE:HC) is a global market leader in full service natural gas compression and a leading provider of service, fabrication and equipment for oil and natural gas processing and transportation applications. Hanover sells and rents this equipment and provides complete operation and maintenance services, including run-time guarantees for both customer-owned equipment and its fleet of rental equipment. Founded in 1990 and a public company since 1997, Hanover's customers include both major and independent oil and gas producers and distributors as well as national oil and gas companies. More information can be found on the Internet (www.hanover-co.com).

CONTACT: Hanover Compressor Company, Houston
Media Relations:
Richard Goins, 832-554-4918
rbgoins@hanover-co.com
or
Investor Relations:
Stephen York, 832-554-4856
syork@hanover-co.com
www.hanover-co.com

SOURCE: Hanover Compressor Company