Stephen A Arnette

Date	Company	Security	Transaction	Code	Indirect	10b5-1	#Shares	#Remaining
6 Nov 24	AMTM Amentum	RSU Common Stock	Grant	Acquire A	No	No	38,105	38,105
6 Nov 24	AMTM Amentum	RSU Common Stock	Grant	Acquire A	No	No	27,218	27,218
2 Oct 24	AMTM Amentum	RSU Common Stock	Grant	Acquire A	No	No	10,395	10,395
2 Oct 24	AMTM Amentum	RSU Common Stock	Grant	Acquire A	No	No	10,984	10,984
2 Oct 24	AMTM Amentum	RSU Common Stock	Grant	Acquire A	No	No	4,596	4,596
2 Oct 24	AMTM Amentum	RSU Common Stock	Grant	Acquire A	No	No	3,681	3,681
2 Oct 24	AMTM Amentum	RSU Common Stock	Grant	Acquire A	No	No	17,273	17,273
2 Oct 24	AMTM Amentum	RSU Common Stock	Grant	Acquire A	No	No	10,106	10,106
2 Oct 24	AMTM Amentum	RSU Common Stock	Grant	Acquire A	No	No	4,038	4,038
2 Oct 24	AMTM Amentum	RSU Common Stock	Grant	Acquire A	No	No	1,178	1,178

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