GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

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

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

Q4 2020

Shares 13,035 Value ($000) $172 Avg Close $11.20 Range $9.10 - $13.39

Q3 2020

Shares 13,035 Value ($000) $124 Avg Close $9.17 Range $8.17 - $10.57

Q2 2020

Shares 13,035 Value ($000) $121 Avg Close $8.75 Range $7.42 - $10.80

Q1 2020

Shares 14,713 Value ($000) $122 Avg Close $9.96 Range $6.75 - $11.96

Q4 2019

Shares 14,713 Value ($000) $167 Avg Close $10.68 Range $9.02 - $11.94

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	13,035	$172	$11.20	$9.10 - $13.39
Q3 2020	13,035	$124	$9.17	$8.17 - $10.57
Q2 2020	13,035	$121	$8.75	$7.42 - $10.80
Q1 2020	14,713	$122	$9.96	$6.75 - $11.96
Q4 2019	14,713	$167	$10.68	$9.02 - $11.94