GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

CHELSEA COUNSEL CO's Holding History (CIK: 0001276755)

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

Q1 2016

Shares 106,416 Value ($000) $475 Avg Close $3.58 Range $2.96 - $4.50

Q4 2015

Shares 97,972 Value ($000) $388 Avg Close $4.43 Range $3.66 - $5.88

Q3 2015

Shares 97,972 Value ($000) $494 Avg Close $5.48 Range $5.00 - $6.17

Q2 2015

Shares 84,213 Value ($000) $502 Avg Close $5.87 Range $5.33 - $6.30

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	106,416	$475	$3.58	$2.96 - $4.50
Q4 2015	97,972	$388	$4.43	$3.66 - $5.88
Q3 2015	97,972	$494	$5.48	$5.00 - $6.17
Q2 2015	84,213	$502	$5.87	$5.33 - $6.30