GIBRALTAR INDS INC

Ticker: ROCK CUSIP: 374689107 Class: EQTY

Alberta Investment Management Corp's Holding History (CIK: 0001463559)

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

Q3 2020

Shares 22,000 Value ($000) $1,433 Avg Close $59.00 Range $45.82 - $69.64

Q2 2020

Shares 39,700 Value ($000) $1,906 Avg Close $44.46 Range $36.39 - $53.45

Q1 2020

Shares 9,400 Value ($000) $403 Avg Close $50.01 Range $30.60 - $56.58

Q4 2016

Shares 7,600 Value ($000) $317 Avg Close $41.33 Range $34.54 - $48.05

Q3 2016

Shares 10,900 Value ($000) $405 Avg Close $36.62 Range $31.35 - $40.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2020	22,000	$1,433	$59.00	$45.82 - $69.64
Q2 2020	39,700	$1,906	$44.46	$36.39 - $53.45
Q1 2020	9,400	$403	$50.01	$30.60 - $56.58
Q4 2016	7,600	$317	$41.33	$34.54 - $48.05
Q3 2016	10,900	$405	$36.62	$31.35 - $40.00