[EXECUTION VERSION Seaspan Corporation 4,000,000 Shares 9.50% Series C Cumulative Redeemable Perpetual Preferred Shares ($0.01 par value per share, liquidation preference $25.00 per share) Underwriting Agreement New York, New York May 20, 2011 Merrill Lynch, Pierce, Fenner & Smith Incorporated One Bryant Park New York, NY 10036 Citigroup Global Markets Inc. 388 Greenwich Street New York, NY 10013 As Representatives] [REEDER & SIMPSON PC ATTORNEYS AT LAW P.O. Box 601 Telephone: 011-692-625-3602 RRE Commercial Center Email: dreeder@ntamarn.net Majuro, MH 96960 r.simpson@simpson.gr May 23, 2011 Seaspan Corporation Unit 2, 7th Floor, Bupa Centre 141 Connaught Road West Hong Kong, China Re: Seaspan Corporation Ladies and Gentlemen: RMI Corporation Preliminary Prospectus Prospectus Registration Statement Preferred Shares We have acted as Republic of] [May 23, 2011 Seaspan Corporation Unit 2, 7th Floor Bupa Centre 141 Connaught Road West Hong Kong China Re: Seaspan Corporation Ladies and Gentlemen: In addition, we have assumed, with your permission, (i) that the statements concerning the Company and its operations contained in the Registration Statement, and the representations made by the Company, and certain of its affiliates in] [REEDER & SIMPSON PC ATTORNEYS AT LAW P.O. Box 601 Telephone: 011-692-625-3602 RRE Commercial Center Email: dreeder@ntamarn.net Majuro, MH 96960 r.simpson@simpson.gr May 23, 2011 Seaspan Corporation Unit 2, 7th Floor, Bupa Centre 141 Connaught Road West Hong Kong, China Re: Seaspan Corporation Ladies and Gentlemen: RMI Corporation Preliminary Prospectus Prospectus Registration Statement Preferred Shares We have acted as Republic of] [[Letterhead of Farris, Vaughan, Wills & Murphy LLP] May 23, 2011 Reference: 30423-0003 Seaspan Corporation Unit 2, 7th Floor, Bupa Centre 141 Connaught Road West Hong Kong, China Attention: Sai W. Chu, Chief Financial Officer Dear Sirs/Mesdames: RE: Seaspan Corporation – Preliminary Prospectus Supplement and Prospectus Supplement Company Commission Securities Act Preliminary Prospectus Supplement Prospectus Supplement Registration Statement We have]