AMENDMENT NO. 3
ACUITY BRANDS, INC.
2005 SUPPLEMENTAL DEFERRED SAVINGS PLAN
THIS AMENDMENT made as of this 24th day of October, 2008, by ACUITY BRANDS, INC. (the “Company”);
W I T N E S S E T H :
WHEREAS, the Company established the Acuity Brands, Inc. 2005 Supplemental Deferred Savings Plan, which
was generally effective as of January 1, 2005 (the “Plan”), subject to the transition rules of Section 409A;
WHEREAS, the Company now desires to amend the Plan in the manner hereinafter provided;
NOW, THEREFORE, the Plan is hereby amended, as follows:
Section 2.31 is hereby amended by deleting the present Section in its entirety and substituting the following in
“2.31 “ Retirement Account ” means the account established for the Participant which will be payable in the
manner elected by the Participant if the Participant terminates employment upon death, Disability, or after attaining
age 55 and completing at least five Years of Service.”
Article V is hereby amended by deleting the present Article V in its entirety and substituting the following in lieu
PAYMENT OF ACCOUNTS
5.1 Timing and Form of Payment .
(a) Subject to subsection (h) below, on the Election Form, the Participant shall make an election as to the timing
and form of payment for any Participant deferrals for such Plan Year and the form of payment for any Employer
contribution credits for such Plan Year pursuant to Section 4.1 (such contributions are automatically credited to the
Participant’s Retirement Account) from among the options set forth below for the Participant’s Retirement Account
and for any Cash In-Service Account. Once the Participant elects a form of payment for the Retirement Account, and
the time and form of payment for any Cash In-Service Account, those elections may only be changed twice and only
in accordance with subsection (e) below.
(b) The Participant will be entitled to payment of his Retirement Account in accordance with his