424B3 1 d424b3.txt SUPPLEMENT NO. 1 DATED MARCH 22, 2001 FILED PURSUANT TO RULE 424(B)(3) REGISTRATION NO. 333-51430 SUPPLEMENT NO. 1 DATED MARCH 22, 2001 TO PROSPECTUS DATED JANUARY 3, 2001 RELATING TO 2,303,294 SHARES OF COMMON STOCK OF HANOVER COMPRESSOR COMPANY NOTICE: Certain information set forth on page 12 of this prospectus has been amended as follows. The number of shares set forth opposite the name of Charles Dean Guthrie in the columns entitled "Number of Shares of Common Stock Owned Prior to the Offering" and "Number of Shares of Common Stock Offered Hereby" has been changed from 247 to 1,147.