[EXECUTION VERSION CREDIT AGREEMENT dated as of May 15 between SEASPAN HOLDCO III LTD., as Borrower, SEASPAN CORPORATION, as Guarantor, CITIBANK, N.A., as Administrative Agent CITIGROUP GLOBAL MARKETS INC., as Sole Structuring Agent CITIBANK, N.A., as Lead Bookrunner CITIBANK, N.A., BANK OF MONTREAL ]