GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q1 2020

Shares 65,263 Value ($000) $541 Avg Close $9.96 Range $6.75 - $11.96

Q4 2019

Shares 308,363 Value ($000) $3,494 Avg Close $10.68 Range $9.02 - $11.94

Q3 2019

Shares 357,263 Value ($000) $3,734 Avg Close $10.57 Range $9.39 - $11.81

Q2 2019

Shares 337,463 Value ($000) $3,726 Avg Close $10.32 Range $8.86 - $11.45

Q1 2019

Shares 139,900 Value ($000) $1,246 Avg Close $7.78 Range $6.43 - $9.21

Q4 2018

Shares 39,300 Value ($000) $260 Avg Close $6.52 Range $5.37 - $7.94

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	65,263	$541	$9.96	$6.75 - $11.96
Q4 2019	308,363	$3,494	$10.68	$9.02 - $11.94
Q3 2019	357,263	$3,734	$10.57	$9.39 - $11.81
Q2 2019	337,463	$3,726	$10.32	$8.86 - $11.45
Q1 2019	139,900	$1,246	$7.78	$6.43 - $9.21
Q4 2018	39,300	$260	$6.52	$5.37 - $7.94