National Service Industries, Inc. NSI CENTER 1420 Peachtree Street, NE Atlanta, Georgia 30309-3002 (404) 853-1000

EXHIBIT 10(i)A4

National Service Industries, Inc.		NSI CENTER 0000 Xxxxxxxxx Xxxxxx, XX Xxxxxxx, Xxxxxxx 00000-0000 (000) 000-0000
[GRAPHIC APPEARS HERE]		Xxxxx Xxxxx Xxxxxx Senior Vice President, General Counsel, and Secretary
June 3,2003		(404) 853-1281 (000) 000-0000 FAX xxxxx.xxxxxx@xxxxxxxxxxxxxxx.xxx

Acuity Brands, Inc.

Attention: Xxxxxx W, Xxxxxx

0000 Xxxxxxxxx Xxxxxx, XX, Xxxxx 0000

Xxxxxxx, Xxxxxxx 00000-0000

Re: Agreement and Plan of Distribution (the “Distribution Agreement”),  dated as of November 30, 2001, by and between  National Service Industries, Inc. and Acuity Brands, Inc.

Dear Xxx:

Reference is hereby made to the Distribution Agreement. All capitalized terms not otherwise defined herein shall have the meanings ascribed to them in the Distribution Agreement.

Notwithstanding anything contained in Section 2. 10(a)(ii) of the Distribution Agreement to the contrary, the parties agree that: (a) SpinCo shall be permitted to manufacture products using labels, containers or other product literature bearing the “National Service Industries, Inc.” name, logo and any other trademark or service xxxx or other intellectual property included in the Parent Assets until November 30, 2003; and (b) SpinCo shall be permitted to ship products described in clause (a) above until November 30, 2004.

All other terms and provisions of the Distribution Agreement shall remain and continue in full force and effect. Please indicate your concurrence with the foregoing by executing and retuning a copy of this letter to the undersigned.

Sincerely,
NATIONAL SERVICE INDUSTRIES, INC.
By:		/s/ Xxxxx Xxxxx Xxxxxx
		Xxxxx Xxxxx Xxxxxx Senior Vice President, General Counsel, and Secretary

AGREED TO AND ACCEPTED THIS

4^th DAY OF June, 2003:

ACUITY BRANDS, INC.
By:		/s/ Xxxxxx X. Xxxxxx
		Xxxxxx X. Xxxxxx Senior Vice President and General Counsel