X0303 4 2008-12-01 0 0001144215 ACUITY BRANDS INC AYI 0001430999 Quick Jeremy M C/O ACUITY BRANDS, INC. 1170 PEACHTREE STREET, NESUITE 2400 ATLANTA GA 30309 0 1 0 0 EVP & CFO Common Stock 2008-12-01 4 F 0 146 25.23 D 36020 D The transaction(s) being reported relate(s) to the vesting of restricted stock held by the reporting person. The total direct shares owned includes 28,050 time-vesting restricted shares. Jeremy M. Quick 2008-12-04