MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Stratos Wealth Partners, LTD.'s Holding History (CIK: 0001612865)

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

Q3 2018

Shares 713 Value ($000) $57 Avg Close $86.11 Range $74.38 - $97.19

Q1 2018

Shares 707 Value ($000) $82 Avg Close $103.13 Range $88.32 - $120.60

Q4 2017

Shares 460 Value ($000) $43 Avg Close $93.43 Range $82.69 - $103.63

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	713	$57	$86.11	$74.38 - $97.19
Q1 2018	707	$82	$103.13	$88.32 - $120.60
Q4 2017	460	$43	$93.43	$82.69 - $103.63