MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Brandywine Global Investment Management, LLC's Holding History (CIK: 0000829108)

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

Q3 2021

Shares 39,759 Value ($000) $6,000 Avg Close $148.13 Range $133.76 - $168.78

Q2 2021

Shares 42,173 Value ($000) $7,505 Avg Close $175.09 Range $158.98 - $192.11

Q3 2018

Shares 24 Value ($000) $2 Avg Close $86.11 Range $74.38 - $97.19

Q2 2018

Shares 22 Value ($000) $3 Avg Close $102.60 Range $86.55 - $115.42

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	39,759	$6,000	$148.13	$133.76 - $168.78
Q2 2021	42,173	$7,505	$175.09	$158.98 - $192.11
Q3 2018	24	$2	$86.11	$74.38 - $97.19
Q2 2018	22	$3	$102.60	$86.55 - $115.42