Kathleen Flaherty Burke

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
1 Mar 24	MKSI MKS Instruments	Common Stock	Sell	Dispose S	No	No	122.89	7,411	910.74 k	42,999.021
15 Feb 24	MKSI MKS Instruments	Common Stock	Payment of exercise	Dispose F	No	No	122.15	4,912	600.00 k	50,410.021
15 Feb 24	MKSI MKS Instruments	Common Stock	Option exercise	Acquire M	No	No	0	1,869	0.00	55,322.021
15 Feb 24	MKSI MKS Instruments	Common Stock	Option exercise	Acquire M	No	No	0	3,608	0.00	53,453.021
15 Feb 24	MKSI MKS Instruments	Common Stock	Option exercise	Acquire M	No	No	0	1,645	0.00	49,845.021
15 Feb 24	MKSI MKS Instruments	Common Stock	Option exercise	Acquire M	No	No	0	2,287	0.00	48,200.021
15 Feb 24	MKSI MKS Instruments	Common Stock	Option exercise	Acquire M	No	No	0	1,016.78	0.00	45,913.021
15 Feb 24	MKSI MKS Instruments	Common Stock	Option exercise	Acquire M	No	No	0	2,032.561	0.00	44,896.241
15 Feb 24	MKSI MKS Instruments	RSU Common Stock	Option exercise	Dispose M	No	No	0	1,869	0.00	19,833.926
15 Feb 24	MKSI MKS Instruments	RSU Common Stock	Option exercise	Dispose M	No	No	0	3,608	0.00	21,702.926

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