MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

ING GROEP NV's Holding History (CIK: 0001039765)

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

Q1 2019

Shares 8,305 Value ($000) $773 Avg Close $76.40 Range $59.36 - $88.91

Q4 2018

Shares 8,275 Value ($000) $535 Avg Close $68.31 Range $53.35 - $77.61

Q3 2018

Shares 8,376 Value ($000) $671 Avg Close $86.11 Range $74.38 - $97.19

Q2 2018

Shares 5,786 Value ($000) $554 Avg Close $102.60 Range $86.55 - $115.42

Q1 2018

Shares 2,306 Value ($000) $267 Avg Close $103.13 Range $88.32 - $120.60

Q4 2017

Shares 8,193 Value ($000) $774 Avg Close $93.43 Range $82.69 - $103.63

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	8,305	$773	$76.40	$59.36 - $88.91
Q4 2018	8,275	$535	$68.31	$53.35 - $77.61
Q3 2018	8,376	$671	$86.11	$74.38 - $97.19
Q2 2018	5,786	$554	$102.60	$86.55 - $115.42
Q1 2018	2,306	$267	$103.13	$88.32 - $120.60
Q4 2017	8,193	$774	$93.43	$82.69 - $103.63