MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Csenge Advisory Group's Holding History (CIK: 0001715593)

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

Q3 2018

Shares 13 Value ($000) $0 Avg Close $86.11 Range $74.38 - $97.19

Q1 2018

Shares 2,177 Value ($000) $252 Avg Close $103.13 Range $88.32 - $120.60

Q4 2017

Shares 2,396 Value ($000) $226 Avg Close $93.43 Range $82.69 - $103.63

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	13	$0	$86.11	$74.38 - $97.19
Q1 2018	2,177	$252	$103.13	$88.32 - $120.60
Q4 2017	2,396	$226	$93.43	$82.69 - $103.63