Assumption Letter Regarding Employment Agreement Between Joseph G. Parham, Jr. and Acuity Brands, Inc.

Summary

This letter confirms that, following the spin-off of certain businesses from National Service Industries, Inc. (NSI) to Acuity Brands, Inc., Joseph G. Parham, Jr. will become an employee of Acuity or its affiliates. Acuity Brands, Inc. agrees to assume and fulfill all obligations under Mr. Parham's existing employment agreement with NSI, ensuring continuity of his employment terms after the transition.

EX-10.22(B)(I) 25 g73259ex10-22bi.txt ASSUMPTION LETTER, JOSEPH G. PARHAM, JR. EXHIBIT 10.22(b)(i) November 28, 2001 Mr. Joseph G. Parham, Jr. Dear Mr. Parham: The terms of your employment with National Service Industries, Inc. ("NSI") are currently covered by a letter agreement ("Agreement") dated May 3, 2000, between you and NSI. As you are aware, effective November 30, 2001, NSI is spinning-off the lighting and chemicals businesses currently held by NSI's subsidiary, Acuity Brands, Inc. ("Acuity"). In connection with the spin-off, you will become an employee of Acuity or one of its affiliates. Acuity hereby agrees to assume the Agreement and to perform all of the obligations of NSI under the Agreement. Sincerely, ACUITY BRANDS, INC. By: /s/ James S. Balloun -------------------------- James S. Balloun Chairman, President and Chief Executive Officer