MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Sageworth Trust Co of South Dakota's Holding History (CIK: 0001871593)

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

Q1 2023

Shares 58 Value ($000) $5 Avg Close $93.12 Range $80.00 - $111.27

Q4 2022

Shares 95 Value ($000) $0 Avg Close $78.00 Range $62.97 - $89.22

Q3 2022

Shares 95 Value ($000) $8 Avg Close $100.01 Range $79.23 - $120.27

Q2 2022

Shares 121 Value ($000) $12 Avg Close $112.92 Range $94.75 - $148.07

Q1 2022

Shares 143 Value ($000) $21 Avg Close $150.35 Range $131.30 - $175.09

Q4 2021

Shares 143 Value ($000) $25 Avg Close $151.09 Range $136.06 - $172.80

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	58	$5	$93.12	$80.00 - $111.27
Q4 2022	95	$0	$78.00	$62.97 - $89.22
Q3 2022	95	$8	$100.01	$79.23 - $120.27
Q2 2022	121	$12	$112.92	$94.75 - $148.07
Q1 2022	143	$21	$150.35	$131.30 - $175.09
Q4 2021	143	$25	$151.09	$136.06 - $172.80