MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

GUARDIAN CAPITAL LP's Holding History (CIK: 0001224324)

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

Q1 2022

Shares 2,708 Value ($000) $394 Avg Close $192.01 Range $133.94 - $291.15

Q4 2021

Shares 2,708 Value ($000) $793 Avg Close $284.79 Range $262.52 - $305.21

Q3 2021

Shares 2,978 Value ($000) $806 Avg Close $271.15 Range $241.42 - $288.27

Q2 2021

Shares 2,578 Value ($000) $625 Avg Close $228.17 Range $205.10 - $250.49

Q1 2021

Shares 2,578 Value ($000) $592 Avg Close $251.21 Range $217.65 - $284.86

Q4 2020

Shares 2,468 Value ($000) $662 Avg Close $249.38 Range $218.23 - $273.33

Q3 2020

Shares 2,397 Value ($000) $566 Avg Close $224.17 Range $203.81 - $248.88

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	2,708	$394	$192.01	$133.94 - $291.15
Q4 2021	2,708	$793	$284.79	$262.52 - $305.21
Q3 2021	2,978	$806	$271.15	$241.42 - $288.27
Q2 2021	2,578	$625	$228.17	$205.10 - $250.49
Q1 2021	2,578	$592	$251.21	$217.65 - $284.86
Q4 2020	2,468	$662	$249.38	$218.23 - $273.33
Q3 2020	2,397	$566	$224.17	$203.81 - $248.88