GIBRALTAR INDS INC

Ticker: ROCK CUSIP: 374689107 Class: EQTY

Cornerstone Investment Partners, LLC's Holding History (CIK: 0001328062)

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

Q1 2021

Shares 4,525 Value ($000) $414 Avg Close $91.76 Range $73.29 - $103.02

Q4 2020

Shares 4,525 Value ($000) $326 Avg Close $66.77 Range $56.97 - $74.00

Q3 2020

Shares 4,525 Value ($000) $295 Avg Close $59.00 Range $45.82 - $69.64

Q2 2020

Shares 4,525 Value ($000) $217 Avg Close $44.46 Range $36.39 - $53.45

Q1 2020

Shares 5,111 Value ($000) $219 Avg Close $50.01 Range $30.60 - $56.58

Q4 2019

Shares 5,111 Value ($000) $258 Avg Close $50.22 Range $43.51 - $55.16

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	4,525	$414	$91.76	$73.29 - $103.02
Q4 2020	4,525	$326	$66.77	$56.97 - $74.00
Q3 2020	4,525	$295	$59.00	$45.82 - $69.64
Q2 2020	4,525	$217	$44.46	$36.39 - $53.45
Q1 2020	5,111	$219	$50.01	$30.60 - $56.58
Q4 2019	5,111	$258	$50.22	$43.51 - $55.16