James Alan Schreiner

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
19 Aug 24	MKSI MKS Instruments	Common Stock	Payment of exercise	Dispose F	No	No	119.09	1,873	223.06 k	18,704.703
19 Aug 24	MKSI MKS Instruments	Common Stock	Option exercise	Acquire M	No	No	0	3,961	0.00	20,577.703
19 Aug 24	MKSI MKS Instruments	RSU Common Stock	Option exercise	Dispose M	No	No	0	3,961	0.00	16,869.409
15 May 24	MKSI MKS Instruments	RSU Common Stock	Grant	Acquire A	No	No	0	6,601.942	0.00	20,830.409
15 Feb 24	MKSI MKS Instruments	Common Stock	Payment of exercise	Dispose F	No	No	122.15	3,756	458.80 k	16,468.229
15 Feb 24	MKSI MKS Instruments	Common Stock	Option exercise	Acquire M	No	No	0	1,329	0.00	20,224.229
15 Feb 24	MKSI MKS Instruments	Common Stock	Option exercise	Acquire M	No	No	0	2,565	0.00	18,895.229
15 Feb 24	MKSI MKS Instruments	Common Stock	Option exercise	Acquire M	No	No	0	1,173	0.00	16,330.229
15 Feb 24	MKSI MKS Instruments	Common Stock	Option exercise	Acquire M	No	No	0	1,629	0.00	15,157.229
15 Feb 24	MKSI MKS Instruments	Common Stock	Option exercise	Acquire M	No	No	0	653.93	0.00	13,528.229

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