ACUITY BRANDS INC

Ticker: AYI CUSIP: 00508Y102 Class: EQTY

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

Note: Option positions (PUT/CALL) are excluded.

Q4 2015

Shares 15,090 Value ($000) $3,528 Avg Close $210.07 Range $165.74 - $234.14

Q3 2015

Shares 21,940 Value ($000) $3,852 Avg Close $187.96 Range $162.82 - $204.89

Q2 2015

Shares 69,815 Value ($000) $12,565 Avg Close $169.64 Range $156.73 - $181.39

Q1 2015

Shares 105,665 Value ($000) $17,769 Avg Close $151.50 Range $128.55 - $166.86

Q4 2014

Shares 97,585 Value ($000) $13,669 Avg Close $131.09 Range $116.99 - $138.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	15,090	$3,528	$210.07	$165.74 - $234.14
Q3 2015	21,940	$3,852	$187.96	$162.82 - $204.89
Q2 2015	69,815	$12,565	$169.64	$156.73 - $181.39
Q1 2015	105,665	$17,769	$151.50	$128.55 - $166.86
Q4 2014	97,585	$13,669	$131.09	$116.99 - $138.65