MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Pflug Koory, LLC's Holding History (CIK: 0001740063)

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

Q4 2017

Shares 100 Value ($000) $9 Avg Close $93.43 Range $82.69 - $103.63

Q3 2017

Shares 100 Value ($000) $9 Avg Close $76.52 Range $62.45 - $89.48

Q2 2017

Shares 100 Value ($000) $7 Avg Close $70.74 Range $60.40 - $82.65

Q1 2017

Shares 100 Value ($000) $7 Avg Close $61.31 Range $54.85 - $65.67

Q4 2016

Shares 100 Value ($000) $6 Avg Close $50.13 Range $43.15 - $57.04

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	100	$9	$93.43	$82.69 - $103.63
Q3 2017	100	$9	$76.52	$62.45 - $89.48
Q2 2017	100	$7	$70.74	$60.40 - $82.65
Q1 2017	100	$7	$61.31	$54.85 - $65.67
Q4 2016	100	$6	$50.13	$43.15 - $57.04