SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* PARHAM JOSEPH G JR (Last) (First) (Middle) C/O ACUITY BRANDS, INC. 1170 PEACHTREE STREET, NESUITE 2400 (Street) ATLANTA GA 30309 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol ACUITY BRANDS INC [ AYI ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) SVP, Human Resources
	3. Date of Earliest Transaction (Month/Day/Year) 01/20/2007
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock(1)	01/20/2007		F		169	D	$57.07	29,818	D
Common Stock	01/22/2007		M		42,520	A	$16.5	72,338	D
Common Stock	01/22/2007		M		42,223	A	$23.69	114,561	D
Common Stock	01/22/2007		M		3,667	A	$31.99	118,228	D
Common Stock	01/22/2007		S		400	D	$56.9	117,828	D
Common Stock	01/22/2007		S		5,800	D	$56.91	112,028	D
Common Stock	01/22/2007		S		5,300	D	$56.92	106,728	D
Common Stock	01/22/2007		S		2,600	D	$56.93	104,128	D
Common Stock	01/22/2007		S		4,700	D	$56.94	99,428	D
Common Stock	01/22/2007		S		4,000	D	$56.95	95,428	D
Common Stock	01/22/2007		S		2,700	D	$56.96	92,728	D
Common Stock	01/22/2007		S		4,964	D	$56.97	87,764	D
Common Stock	01/22/2007		S		12,300	D	$56.98	75,464	D
Common Stock	01/22/2007		S		3,400	D	$56.99	72,064	D
Common Stock	01/22/2007		S		17,800	D	$57	54,264	D
Common Stock	01/22/2007		S		11,000	D	$57.01	43,264	D
Common Stock	01/22/2007		S		5,300	D	$57.02	37,964	D
Common Stock	01/22/2007		S		3,800	D	$57.03	34,164	D
Common Stock	01/22/2007		S		3,400	D	$57.04	30,764	D
Common Stock	01/22/2007		S		2,400	D	$57.05	28,364	D
Common Stock	01/22/2007		S		900	D	$57.06	27,464	D
Common Stock	01/22/2007		S		1,300	D	$57.07	26,164	D
Common Stock	01/22/2007		S		500	D	$57.08	25,664	D
Common Stock	01/22/2007		S		100	D	$57.09	25,564	D
Common Stock	01/22/2007		S		600	D	$57.1	24,964	D
Common Stock	01/22/2007		S		200	D	$57.14	24,764(2)	D
Common Stock								195	I	by 401(k)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option	$16.5	01/22/2007		M			42,520	(3)	10/23/2010	Common Stock	42,520	$0	10,223	D
Employee Stock Option	$23.69	01/22/2007		M			42,223	(4)	12/17/2013	Common Stock	42,223	$0	8,442	D
Employee Stock Option	$31.99	01/22/2007		M			3,667	(5)	01/30/2015	Common Stock	3,667	$0	7,333	D

Explanation of Responses:

1. The transaction(s) being reported relate(s) to the vesting of restricted stock held by the reporting person.

2. The total direct shares owned following the reported transaction includes 12,000 time-vesting restricted shares and 1,217 shares held in a Section 423 stock purchase plan.

3. This option vested in equal annual installments over a four-year period and was fully vested on October 24, 2004.

4. This option vests in equal annual installments over a three year period and will become fully vested on December 18, 2006.

5. This option was granted pursuant to the Issuer's Long-Term Incentive Plan, will vest in equal annual installments over a three year period, and will become fully vested on December 1, 2008.

	By: Jill A. Gilmer, under Power of Attorney For: Joseph G. Parham	01/23/2007
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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