X0202 4 2006-04-18 0 0001330849 HERCULES OFFSHORE, INC. HERO 0001292336 GREENHILL CAPITAL PARTNERS, LLC 300 PARK AVENUE, 23RD FLOOR NEW YORK NY 10022 0 0 1 0 0001292339 GCP MANAGING PARTNER, L.P. 300 PARK AVENUE, 23RD FLOOR NEW YORK NY 10022 0 0 1 0 0001282977 GREENHILL & CO INC 300 PARK AVENUE 23RD FLOOR NEW YORK NY 10022 0 0 1 0 0001120194 GREENHILL CAPITAL PARTNERS LP 300 PARK AVE 23RD FL NEW YORK NY 10022 0 0 1 0 Common Stock; par value $0.01 per share 2006-04-18 4 S 0 1859247 36 D 3646172 I Through limited partnerships Sale by reporting persons pursuant to a public offering of the Issuer. Public offering price. This Form 4 is being filed by more than one reporting person. Greenhill Capital Partners, LLC, whose sole member is Greenhill & Co., Inc., is the general partner of GCP Managing Partner, L.P. GCP Managing Partner, L.P. is the managing general partner of Greenhill Capital Partners, L.P., which sold 1,150,480 shares of common stock pursuant to the public offering and is now the record owner of 2,256,210 shares of common stock, Greenhill Capital Partners (Executives), L.P., which sold 177,121 shares of common stock pursuant to the public offering and is now the record owner of 347,351 shares of common stock, Greenhill Capital, L.P., which sold 367,197 shares of common stock pursuant to the public offering and is now the record owner of 720,110 shares of common stock, and Greenhill Capital Partners (Cayman), L.P., which sold 164,449 shares of common stock pursuant to the public offering and is now the record owner of 322,501 shares of common stock. Each reporting person disclaims beneficial ownership of the reported securities except and to the extent of its pecuniary interest therein. Greenhill Capital Partners, LLC, By: Robert H. Niehaus, Chairman, /s/ Robert H. Niehaus 2006-04-18 Greenhill Capital Partners, L.P., By: GCP Managing Partner L.P., its managing general partner, By: Greenhill Capital Partners, LLC, its general partner, By: Robert H. Niehaus, Chairman, /s/ Robert H. Niehaus 2006-04-18 Greenhill & Co., Inc., By: Ulrika Ekman, Managing Director, General Counsel and Secretary, /s/ Ulrika Ekman 2006-04-18 GCP Managing Partner, L.P., By: Greenhill Capital Partners, LLC, its general partner, By: Robert H. Niehaus, Chairman, /s/ Robert H. Niehaus 2006-04-18