LIMITED POWER OF ATTORNEY
FOR SECTION 16 REPORTING OBLIGATIONS

The undersigned constitutes and appoints each of Barry R. Goldman and Chanda Kirchner, or
either of them acting singly and with full power of substitution, the undersigned's true and
lawful attorney-in-fact to:

1.    execute for and on behalf of the undersigned, in the undersigned's capacity as an
officer or director or both of Acuity Brands, Inc. (the "Company"), Forms 3, 4 and 5
(and any amendments thereto) in accordance with Section 16(a) of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and the rules thereunder;

2.    do and perform any and all acts for and on behalf of the undersigned which may be
necessary or desirable to complete and execute any such Form 3, 4 or 5, complete and
execute any amendments thereto, and timely file such form with the U.S. Securities
and Exchange Commission (the "SEC") and any securities exchange or similar
authority, including without limitation the filing of a Form ID or any other documents
necessary or appropriate to enable the undersigned to file the Forms 3, 4 and 5
electronically with the SEC;

3.    seek or obtain, as the undersigned's representative and on the undersigned's behalf,
information on transactions in the Company's securities from any third party,
including brokers, employee benefit plan administrators and trustees, and the
undersigned hereby authorizes any such person to release any such information to
each of the undersigned's attorneys-in-fact appointed by this Limited Power of
Attorney and approves and ratifies any such release of information; and

4.    take any other action in connection with the foregoing which, in the opinion of such
attorney-in-fact, may be of benefit to, in the best interest of, or legally required by or
for, the undersigned, it being understood that the documents executed by such
attorney-in-fact on behalf of the undersigned pursuant to this Limited Power of
Attorney shall be in such form and shall contain such information and disclosure as
such attorney-in-fact may approve in such attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power and authority to do
and perform any and every act and thing whatsoever required, necessary or proper to be done
in the exercise of any of the rights and powers herein granted, as fully to all intents and
purposes as the undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or
such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done by virtue
of this Limited Power of Attorney and the rights and powers herein granted.

The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such
capacity at the request and on the behalf of the undersigned, are not assuming, nor is the
Company assuming, any of the undersigned's responsibilities to comply with, or any liability
for the failure to comply with, any provision of Section 16 of the Exchange Act.

This Limited Power of Attorney shall remain in full force and effect until the undersigned is
no longer required to file Forms 3, 4 or 5 with respect to the undersigned's holdings of and
transactions in securities issued by the Company, unless earlier revoked by the undersigned
in a signed writing delivered to each of the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed
as of date set forth below.

/s/ Maya Leibman            January 26, 2023
Signature                Date

Maya Leibman
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