GIBRALTAR INDS INC

Ticker: ROCK CUSIP: 374689107 Class: EQTY

CIBC WORLD MARKET INC.'s Holding History (CIK: 0001421224)

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

Q4 2016

Shares 30,732 Value ($000) $1,280 Avg Close $41.33 Range $34.54 - $48.05

Q3 2016

Shares 30,223 Value ($000) $1,123 Avg Close $36.62 Range $31.35 - $40.00

Q2 2016

Shares 39,007 Value ($000) $1,231 Avg Close $28.78 Range $24.12 - $32.46

Q1 2016

Shares 87,532 Value ($000) $2,503 Avg Close $23.31 Range $18.23 - $28.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	30,732	$1,280	$41.33	$34.54 - $48.05
Q3 2016	30,223	$1,123	$36.62	$31.35 - $40.00
Q2 2016	39,007	$1,231	$28.78	$24.12 - $32.46
Q1 2016	87,532	$2,503	$23.31	$18.23 - $28.75