MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Arlington Partners LLC's Holding History (CIK: 0001389848)

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

Q2 2022

Shares 82 Value ($000) $8 Avg Close $112.92 Range $94.75 - $148.07

Q1 2022

Shares 131 Value ($000) $20 Avg Close $150.35 Range $131.30 - $175.09

Q4 2021

Shares 131 Value ($000) $23 Avg Close $151.09 Range $136.06 - $172.80

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2022	82	$8	$112.92	$94.75 - $148.07
Q1 2022	131	$20	$150.35	$131.30 - $175.09
Q4 2021	131	$23	$151.09	$136.06 - $172.80