As filed with the Securities and Exchange Commission on July 22, 2005 REGISTRATION NO. 333-74242 ================================================================================ SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ----------------------- POST EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 --------------------- ACUITY BRANDS, INC. (Exact name of registrant as specified in its charter) DELAWARE 58-2632672 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) ACUITY BRANDS, INC. 1170 PEACHTREE STREET, N.E. SUITE 2400 ATLANTA, GEORGIA 30309 (404) 853-1400 (Address, including zip code, of registrant's principal executive offices) ACUITY LIGHTING GROUP, INC. PROFIT SHARING RETIREMENT PLAN FOR SALARIED EMPLOYEES ZEP MANUFACTURING COMPANY 401(k) PLAN SELIG CHEMICAL INDUSTRIES RETIREMENT PLAN ACUITY BRANDS, INC. 401(k) PLAN FOR CORPORATE EMPLOYEES ACUITY LIGHTING GROUP, INC. 401(k) PLAN FOR HOURLY EMPLOYEES ENFORCER PRODUCTS 401(k) PLAN HOLOPHANE DIVISION OF ACUITY LIGHTING GROUP 401(k) PLAN FOR HOURLY EMPLOYEES HOLOPHANE DIVISION OF ACUITY LIGHTING GROUP 401(k) PLAN FOR HOURLY EMPLOYEES COVERED BY A COLLECTIVE BARGAINING AGREEMENT (Full title of plans) KENYON W. MURPHY SENIOR VICE PRESIDENT AND GENERAL COUNSEL ACUITY BRANDS, INC. 1170 PEACHTREE STREET, N.E. SUITE 2400 ATLANTA, GEORGIA 30309 (404) 853-1400 (Name, address, including zip code, and telephone number, including area code, of agent for service) ================================================================================ POST EFFECTIVE AMENDMENT NO. 1 - EXPLANATORY NOTE Acuity Brands, Inc. (the "Registrant") is filing this post-effective amendment to its Registration Statement on Form S-8, Registration No. 333-74242 (the "Registration Statement"), filed on November 30, 2001 with the Securities and Exchange Commission, to deregister an aggregate of 423,768 shares of common stock, par value $0.01 per share ("Common Stock"), along with the preferred stock purchase rights, no par value ("Rights"), associated therewith, previously registered on the Registration Statement and issuable under the Acuity Brands, Inc. 401(k) Plan for Corporate Employees and the Acuity Lighting Group, Inc. Profit Sharing Retirement Plan for Salaried Employees. This Post-Effective Amendment No. 1 also deregisters the plan interests ("Plan Interests") in such plans. The remaining shares of Common Stock, Rights associated therewith and Plan Interests in the Employee Benefit Plans registered on the Registration Statement in connection with the Zep Manufacturing Company 401(k) Plan, Selig Chemical Industries Retirement Plan, Acuity Lighting Group, Inc. 401(k) Plan for Hourly Employees, Enforcer Products 401(k) Plan, Holophane Division of Acuity Lighting Group 401(k) Plan for Hourly Employees, and Holophane Division of Acuity Lighting Group 401(k) Plan for Hourly Employees Covered by a Collective Bargaining Agreement, as applicable, shall be unaffected by this Post-Effective Amendment No. 1 to the Registration Statement. 2 Item 8. Exhibits. Exhibit Description ------- ----------- 24.1 * Powers of Attorney --------------- * Filed herewith SIGNATURES Pursuant to the requirements of the Securities Act of 1933, Acuity Brands, Inc. has duly caused this Post -Effective Amendment to the Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Atlanta, State of Georgia, on this 22nd day of July, 2005. ACUITY BRANDS, INC. By: /s/ Kenyon W. Murphy ---------------------------- Kenyon W. Murphy Senior Vice President and General Counsel KNOW ALL MEN BY THESE PRESENTS, pursuant to the requirements of the Securities Act of 1933, this Post-Effective Amendment to the Registration Statement has been signed by the following persons in the capacities indicated on July 22, 2005. Signature Title --------------------------------------- ----------------------------- * Chairman and Chief Executive --------------------------------------- Officer Vernon J. Nagel * Vice President and Controller; --------------------------------------- Interim Chief Financial Officer Karen J. Holcom * Director --------------------------------------- Peter C. Browning * Director --------------------------------------- John L. Clendenin * Director --------------------------------------- Jay M. Davis * Director --------------------------------------- Earnest W. Deavenport, Jr. * Director --------------------------------------- Robert F. McCullough * Director --------------------------------------- Julia B. North * Director --------------------------------------- Ray M. Robinson * Director --------------------------------------- Neil Williams * By: /s/ Kenyon W. Murphy --------------------------------------- Kenyon W. Murphy Attorney-in-Fact Pursuant to the requirements of the Securities Act of 1933, the trustees (or other persons who administer the employee benefit plan) have duly caused this Post Effective Amendment to the Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Atlanta, State of Georgia on the 22nd day of July, 2005. ACUITY LIGHTING GROUP, INC. PROFIT SHARING RETIREMENT PLAN FOR SALARIED EMPLOYEES ZEP MANUFACTURING COMPANY 401(K) PLAN SELIG CHEMICAL INDUSTRIES RETIREMENT PLAN ACUITY BRANDS, INC. 401(K) PLAN FOR CORPORATE EMPLOYEES ACUITY LIGHTING GROUP, INC. 401(K) PLAN FOR HOURLY EMPLOYEES ENFORCER PRODUCTS 401(K) PLAN HOLOPHANE DIVISION OF ACUITY LIGHTING GROUP 401(K) PLAN FOR HOURLY EMPLOYEES HOLOPHANE DIVISION OF ACUITY LIGHTING GROUP 401(K) PLAN FOR HOURLY EMPLOYEES COVERED BY A COLLECTIVE BARGAINING AGREEMENT By: Acuity Brands, Inc., Administrator of Plans By: /s/ Kenyon W. Murphy -------------------- Kenyon W. Murphy Senior Vice President and General Counsel