HANOVER COMPRESSOR CERTIFIES COMPANY’S S.E.C. FILINGS

August 15, 2002
HOUSTON, August 15, 2002 – Hanover Compressor Company (NYSE: HC), a leading provider of outsourced natural gas compression services, today announced its top officers have certified the Companys Form 10-Q for the second quarter ended June 30, 2002, as required by Section 906 of the recently passed Sarbanes-Oxley Act of 2002.

Copies of the certifications, which were signed by Victor E. Grijalva, chairman and chief executive officer, and John E. Jackson, senior vice president and chief financial officer, will be posted on the Companys website.

About Hanover Compressor
Hanover Compressor Company (www.hanover-co.com) is the global market leader in full service natural gas compression and a leading provider of service, financing, fabrication and equipment for contract natural gas handling applications. Hanover provides this equipment on a rental, contract compression, maintenance and acquisition leaseback basis to natural gas production, processing and transportation companies that are increasingly seeking outsourcing solutions. Founded in 1990 and a public company since 1997, Hanovers customers include premier independent and major producers and distributors throughout the Western Hemisphere.