MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Catalyst Capital Advisors LLC's Holding History (CIK: 0001549275)

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

Q1 2018

Shares 7,730 Value ($000) $894 Avg Close $103.13 Range $88.32 - $120.60

Q4 2017

Shares 7,680 Value ($000) $726 Avg Close $93.43 Range $82.69 - $103.63

Q3 2017

Shares 9,110 Value ($000) $861 Avg Close $76.52 Range $62.45 - $89.48

Q2 2017

Shares 12,500 Value ($000) $841 Avg Close $70.74 Range $60.40 - $82.65

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	7,730	$894	$103.13	$88.32 - $120.60
Q4 2017	7,680	$726	$93.43	$82.69 - $103.63
Q3 2017	9,110	$861	$76.52	$62.45 - $89.48
Q2 2017	12,500	$841	$70.74	$60.40 - $82.65