[CLARKSONS St. Magnus House 3 Lower Thames Street London EC3R 6HE United Kingdom +44 (0) 20 7334 0000 www.clarksons.com Seaspan Corporation February 6, 2014 Ladies and Gentlemen: • some industry data included in this discussion is derived from estimates or subjective judgments; • the published information of other maritime data collection agencies may differ from this data; and • while] [THIS REPORT ON FORM 6-K IS HEREBY INCORPORATED BY REFERENCE INTO THE FOLLOWING REGISTRATION STATEMENT OF THE COMPANY: • REGISTRATION STATEMENT ON FORM F-3 (FILE NO. 333-190718) ORIGINALLY FILED WITH THE SEC ON AUGUST 19, 2013. 23.1 Consent of Clarkson Research Services Limited SEASPAN CORPORATION Sai W. Chu]

[Item 1 — Information Contained in this Form 6-K Report This Form 6-K is filed with reference to and hereby incorporated by reference into the following Registration Statements: • • • • • December 11, 2013 SEASPAN CORPORATION Sai W. Chu Chief Financial Officer]

[EXECUTION COPY SEASPAN CORPORATION 3,500,000 Shares Plus an option to purchase from the Company up to 525,000 additional Shares Class A Common Stock ($0.01 par value per share) Underwriting Agreement New York, New York November 20, 2013 To the Representatives named in Schedule I hereto of the several Underwriters named in Schedule II hereto Ladies and Gentlemen: Company Underwriters Representatives] [REEDER & SIMPSON PC ATTORNEYS AT LAW P.O. Box 601 Telephone: 011-692-625-3602 RRE Commercial Center Email: dreeder@ntamar.net Majuro, MH 96960 r.simpson@simpson.gr November 21, 2013 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 Shares We have acted as Republic of the] [November 21, 2013 Seaspan Corporation Unit 2, 7th Floor Bupa Centre 141 Connaught Road West Hong Kong China Re: Seaspan Corporation Registration Statement on Form F-3 Ladies and Gentlemen: In addition, we have assumed, with your permission, (i) that the statements and representations concerning the Company and its operations contained in the Registration Statement, and the statements and representations contained] [REEDER & SIMPSON PC ATTORNEYS AT LAW P.O. Box 601 Telephone: +692-625-3602 RRE Commercial Center Email: dreeder@ntamarn.net Majuro, MH 96960 r.simpson@simpson.gr November 21, 2013 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 Shares We have acted as Republic of the] [[Letterhead of Farris, Vaughan, Wills & Murphy LLP] November 21, 2013 Reference: 30423-0008 Seaspan Corporation Unit 2, 7th Floor, Bupa Centre 141 Connaught Road West Hong Kong, China Attention: Mark Chu, General Counsel and Director, Corporate Finance Dear Sirs: RE: Seaspan Corporation – Preliminary Prospectus Supplement and Prospectus Supplement Company Commission Securities Act Preliminary Prospectus Supplement Prospectus Supplement Registration Statement]

[Item 1 - Information Contained in this Form 6-K Report SEASPAN CORPORATION Sai W. Chu Chief Financial Officer 2]