GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

Washington Trust Bank's Holding History (CIK: 0000861787)

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

Q4 2016

Shares 124 Value ($000) $1 Avg Close $4.06 Range $3.05 - $5.00

Q3 2016

Shares 124 Value ($000) $0 Avg Close $4.04 Range $3.49 - $4.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	124	$1	$4.06	$3.05 - $5.00
Q3 2016	124	$0	$4.04	$3.49 - $4.97