X0202 4 2007-05-08 0 0000909413 HANOVER COMPRESSOR CO / HC 0000937541 KAMIN PETER H 265 FRANKLIN STREET, 16TH FLOOR BOSTON MA 02110 1 0 1 0 0001129787 VA PARTNERS LLC 435 PACIFIC AVENUE FOURTH FLOOR SAN FRANCISCO CA 94133 1 0 1 0 0001375350 VA Partners III, LLC 435 PACIFIC AVENUE, 4TH FLOOR SAN FRANCISCO CA 94133 1 0 1 0 0001351069 ValueAct Capital Management, L.P. 435 PACIFIC AVENUE, 4TH FLOOR SAN FRANCISCO CA 94133 1 0 1 0 0001351073 ValueAct Capital Management, LLC 435 PACIFIC AVENUE, 4TH FLOOR SAN FRANCISCO CA 94133 1 0 1 0 0001159187 UBBEN JEFFREY W 435 PACIFIC AVENUE, FOURTH FLOOR SAN FRANCISCO CA 94133 0 0 1 0 Common Stock 2007-05-08 4 A 0 4700 0 A 4700 D Common Stock 9879100 I See Footnote. Common Stock 1725500 I See Footnote. This award represents a grant of restricted stock under the Company's 2006 Stock Incentive Plan and vests over a three-year period at the rate of one-third per year beginning on 5/8/08 and on each successive anniversary of the date of the grant. Vesting is subject to acceleration due to to a qualifying change of control other than one resulting from the publicly announced merger between Hanover Compressor Company and Universal Compression Holdings, Inc. This award will be forfeited upon termination of service or employment, unless the termination is due to health or disability. Under an agreement with ValueAct Capital, Peter H. Kamin is deemed to hold the shares for the benefit of ValueAct Capital Master Fund, LP & ValueAct Capital Master Fund III, LP & indirectly for (i) VA Partners, LLC as General Partner of ValueAct Capital Master Fund, LP (ii) VA Partners III, LLC as General Partner of ValueAct Capital Master Fund III, LP (iii) ValueAct Capital Management, LP as the manager of ValueAct Capital Master Fund, LP & ValueAct Capital Master Fund III, LP and (iv) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, LP Peter H. Kamin is a director of Hanover Compressor Company & a Managing Member of VA Partners, LLC, VA Partners III, LLC & ValueAct Capital Management, LLC. Jeffrey W. Ubben & George F. Hamel are Managing Members of VA Partners, LLC, VA Partners III, LLC & ValueAct Capital Management, LLC. Mr. Kamin disclaims beneficial ownership of the reported stock except to the extent of his pecuniary interest therein. Reported shares are owned directly by ValueAct Capital Master Fund, L.P. and may be deemed to be beneficially owned by (i) VA Partners, L.L.C. as General Partner of ValueAct Capital Master Fund, L.P. (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P. and (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P. Peter H. Kamin is a Managing Member of VA Partners, LLC and ValueAct Capital Management, L.P. Mr. Kamin disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. Reported shares are owned directly by ValueAct Capital Master Fund III, L.P. and may be deemed to be beneficially owned by (i) VA Partners III, L.L.C. as General Partner of ValueAct Capital Master Fund III, L.P. (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund III, L.P. and (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P. Peter H. Kamin is a Managing Member of VA Partners III, LLC and ValueAct Capital Management, L.P. Mr. Kamin disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. Joint Filer Information: Name: ValueAct Capital Master Fund, L.P., Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133 Designated Filer: Peter H. Kamin Issuer and Ticker Symbol: Hanover Compressor Company (HC) Date of Event Requiring Statement: May 8, 2007 Name: VA Partners, L.L.C. Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133 Designated Filer: Peter H. Kamin Issuer and Ticker Symbol: Hanover Compressor Company (HC) Date of Event Requiring Statement: May 8, 2007 Name: ValueAct Capital Master Fund III, L.P., Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133 Designated Filer: Peter H. Kamin Issuer and Ticker Symbol: Hanover Compressor Company (HC) Date of Event Requiring Statement: May 8, 2007 Name: VA Partners III, L.L.C. Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133 Designated Filer: Peter H. Kamin Issuer and Ticker Symbol: Hanover Compressor Company (HC) Date of Event Requiring Statement: May 8, 2007 Name: ValueAct Capital Management, L.P. Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133 Designated Filer: Peter H. Kamin Issuer and Ticker Symbol: Hanover Compressor Company (HC) Date of Event Requiring Statement: May 8, 2007 Name: ValueAct Capital Management, LLC Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133 Designated Filer: Peter H. Kamin Issuer and Ticker Symbol: Hanover Compressor Company (HC) Date of Event Requiring Statement: May 8, 2007 Name: George F. Hamel, Jr. Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133 Designated Filer: Peter H. Kamin Issuer and Ticker Symbol: Hanover Compressor Company (HC) Date of Event Requiring Statement: May 8, 2007 Name: Jeffrey W. Ubben Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133 Designated Filer: Peter H. Kamin Issuer and Ticker Symbol: Hanover Compressor Company (HC) Date of Event Requiring Statement: May 8, 2007 /s/ Peter H. Kamin 2007-05-09 VA Partners, LLC, By: /s/ George F. Hamel, Jr., Managing Member 2007-05-09 ValueAct Capital Master Fund, LP, By: VA Partners, LLC, By: /s/ George F. Hamel, Jr., Managing Member 2007-05-09 VA Partners III, LLC, By: /s/ George F. Hamel, Jr., Managing Member 2007-05-09 ValueAct Capital Master Fund III, LP, By: VA Partners, III, LLC, By: /s/ George F. Hamel, Jr.,Managing Member 2007-05-09 ValueAct Capital Management, LP, By: ValueAct Capital Management, LLC, By: /s/ George F. Hamel, Jr.,Managing Member 2007-05-09 ValueAct Capital Management, LLC, By: /s/ George F. Hamel, Jr.,Managing Member 2007-05-09 /s/ George F. Hamel, Jr. 2007-05-09 /s/ Jeffrey W. Ubben 2007-05-09