GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

Crestline Management, LP's Holding History (CIK: 0001536054)

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

Q4 2017

Shares 143,435 Value ($000) $775 Avg Close $5.09 Range $4.22 - $5.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	143,435	$775	$5.09	$4.22 - $5.70