X0202 4/A 2007-08-20 2007-08-20 1 0000909413 HANOVER COMPRESSOR CO / HC 0001319774 Colglazier Anita H 12001 N. HOUSTON ROSSLYN HOUSTON TX 77086 0 1 0 0 Vice President/Controller Common Stock 2007-08-20 4 D 0 115 D 0 I 401(k) Plan The shares of common stock were disposed pursuant to the Agreement and Plan of Merger, dated February 5, 2007, as amended, among Universal Compression Holdings, Inc. (?Universal?), Iliad Holdings, Inc. (now known as Exterran Holdings, Inc. (?Exterran?)), Ulysses Sub, Inc., a wholly owned subsidiary of Exterran, Hector Sub, Inc., a wholly owned subsidiary of Exterran, and Hanover Compressor Company (?Hanover?) (the ?Merger Agreement?). As a result of the mergers contemplated by the Merger Agreement, Universal and Hanover became wholly owned subsidiaries of Exterran and the reporting person has the right to receive 0.325 shares of Exterran common stock for each share of Hanover common stock and the right to receive cash for any fractional share the reporting person otherwise would receive pursuant to the mergers. Shares purchased through Hanover?s 401(k) Plan will be converted to Exterran common stock including any fractional share resulting from the conversion. This amendment was necessary to correct the form of ownership to indirect. Susan G. Miller, Attorney-in-fact 2007-08-21