================================================================================ UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 -------------------- FORM 11-K [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2004 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 [NO FEE REQUIRED] FOR THE TRANSITION PERIOD FROM ______ TO ______ COMMISSION FILE NUMBER A. Full title of the plan and the address of the plan, if different from that of the issuer named below: IMAX CORPORATION 401(k) RETIREMENT PLAN B. Name of issuer of the securities held pursuant to the plan and the address of its principal executive office: IMAX CORPORATION 2525 Speakman Drive Mississauga, Ontario L5K 1B1 ================================================================================ IMAX CORPORATION 401(k) RETIREMENT PLAN TABLE OF CONTENTS OF INFORMATION REQUIRED IN REPORT ITEM 4. Financial Statements and Supplemental for the Plan The IMAX Corporation 401(k) Retirement Plan (the "Plan") is subject to the Employee Retirement Income Security Act of 1974 ("ERISA"). In lieu of the requirements of Items 1-3 of this Form, the Plan is filing the financial statements and supplemental schedules prepared in accordance with the financial reporting requirements of ERISA. The Plan financial statements and supplemental schedules for the years ended December 31, 2004 and 2003, are included as Exhibit 99.1 to this report on Form 11-K and are incorporated herein by reference. The Plan financial statements and supplemental schedules have been examined by PricewaterhouseCoopers LLP, Independent Registered Public Accounting Firm, and their report is included therein. Page Signatures 2 EXHIBITS 23.1 Consent of Independent Registered Public Accounting Firm 3 99.1 Financial Statements and Supplemental Schedule of the IMAX Corporation 401(k) Retirement Plan for the year ended December 31, 2004, prepared in accordance with the financial reporting requirements of ERISA 4 1 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the trustees of the IMAX Corporation 401(k) Retirement Plan have duly caused this Annual Report to be signed on its behalf by the undersigned, thereunto duly authorized. IMAX CORPORATION 401(k) RETIREMENT PLAN Date: June 7, 2006 By: /s/ Mary C. Sullivan ------------------------------------- Name: Mary C. Sullivan Title: Senior Vice President, Human Resources & Administration By: /s/ G. Mary Ruby ------------------------------------- Name: G. Mary Ruby Title: Senior Vice President Legal Affairs, Corporate Secretary, Deputy General Counsel & Chief Compliance Officer 2