GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

GLENMEDE TRUST CO NA's Holding History (CIK: 0000314949)

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

Q3 2020

Shares 263 Value ($000) $2 Avg Close $9.17 Range $8.17 - $10.57

Q4 2010

Shares 12,140 Value ($000) $89 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2020	263	$2	$9.17	$8.17 - $10.57
Q4 2010	12,140	$89	—	—