GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

JAG CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001080374)

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

Q3 2015

Shares 19,390 Value ($000) $98 Avg Close $5.48 Range $5.00 - $6.17

Q2 2015

Shares 14,105 Value ($000) $84 Avg Close $5.87 Range $5.33 - $6.30

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2015	19,390	$98	$5.48	$5.00 - $6.17
Q2 2015	14,105	$84	$5.87	$5.33 - $6.30