GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

WOLVERINE ASSET MANAGEMENT LLC's Holding History (CIK: 0001279891)

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

Q2 2013

Shares 53,942 Value ($000) $421 Avg Close $7.58 Range $6.30 - $8.66

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2013	53,942	$421	$7.58	$6.30 - $8.66