Lasse Petterson

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
26 Aug 24	GLDD Great Lakes Dredge & Dock	Common Stock	Sell	Dispose S	No	Yes	9.2432	28,709	265.36 k	902,392.29
23 Aug 24	GLDD Great Lakes Dredge & Dock	Common Stock	Sell	Dispose S	No	Yes	9.0799	46,510	422.31 k	931,101.29
20 Aug 24	GLDD Great Lakes Dredge & Dock	Common Stock	Sell	Dispose S	No	Yes	9.1	10,147	92.34 k	977,611.29
19 Aug 24	GLDD Great Lakes Dredge & Dock	Common Stock	Sell	Dispose S	No	Yes	9.06	53,771	487.17 k	987,758.29
16 Aug 24	GLDD Great Lakes Dredge & Dock	Common Stock	Sell	Dispose S	No	Yes	9.11	51,640	470.44 k	1,041,529.29
15 Aug 24	GLDD Great Lakes Dredge & Dock	Common Stock	Sell	Dispose S	No	Yes	9.08	59,223	537.74 k	1,093,169.29
15 Jul 24	GLDD Great Lakes Dredge & Dock	Common Stock	Payment of exercise	Dispose F	No	No	8.9	25,000	222.50 k	1,152,392.29
15 Jul 24	GLDD Great Lakes Dredge & Dock	Common Stock	Payment of exercise	Dispose F	No	No	8.9	75,000	667.50 k	1,177,392.29
6 May 24	GLDD Great Lakes Dredge & Dock	Common Stock	Payment of exercise	Dispose F	No	No	7.04	9,467	66.65 k	1,252,392.29

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.