MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

Washington Trust Bank's Holding History (CIK: 0000861787)

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

Q1 2018

Shares 94 Value ($000) $8 Avg Close $87.17 Range $80.69 - $96.45

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	94	$8	$87.17	$80.69 - $96.45