MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Convergence Investment Partners, LLC's Holding History (CIK: 0001456133)

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

Q2 2018

Shares 9,098 Value ($000) $871 Avg Close $102.60 Range $86.55 - $115.42

Q1 2018

Shares 12,443 Value ($000) $1,439 Avg Close $103.13 Range $88.32 - $120.60

Q4 2017

Shares 12,603 Value ($000) $1,191 Avg Close $93.43 Range $82.69 - $103.63

Q1 2016

Shares 28,186 Value ($000) $1,061 Avg Close $31.35 Range $28.08 - $35.11

Q3 2015

Shares 49,018 Value ($000) $1,644 Avg Close $31.60 Range $28.82 - $34.92

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	9,098	$871	$102.60	$86.55 - $115.42
Q1 2018	12,443	$1,439	$103.13	$88.32 - $120.60
Q4 2017	12,603	$1,191	$93.43	$82.69 - $103.63
Q1 2016	28,186	$1,061	$31.35	$28.08 - $35.11
Q3 2015	49,018	$1,644	$31.60	$28.82 - $34.92