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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1144215	Acuity Brands Inc	AYI	Electric Lighting & Wiring Equipment (3640)	582632672

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1183380	B Julia North	C/O Acuity Brands, Inc. 1170 Peachtree Street, Nesuite 2400 Atlanta GA 30309		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2010-04-05	1,815	$12.35	2,815	No	4	M	Direct
Common Stock	Disposition	2010-04-05	1,215	$46.37	1,600	No	4	S	Direct
Common Stock	Disposition	2010-04-05	600	$46.40	1,000	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non-Qualified Stock Option	Disposition	2010-04-05	1,815	$0.00	1,815	$12.35

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2003-12-19	2012-12-18	No	4	M	Direct

Footnotes

This stock option previously represented the right to purchase 1,500 shares of the Issuer's common stock at an exercise price of $14.95. The stock option was converted to the right to purchase 1,815 shares of the Issuer's common stock at an exercise price of $12.35 effective with the spin-off of the Issuer's specialty chemical business on October 31, 2007. The original option agreement was granted on December 19, 2002 and became fully vested on December 19, 2003.