MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.'s Holding History (CIK: 0001166152)

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

Q1 2021

Shares 3,759 Value ($000) $863 Avg Close $251.21 Range $217.65 - $284.86

Q4 2020

Shares 3,851 Value ($000) $1,034 Avg Close $249.38 Range $218.23 - $273.33

Q1 2014

Shares 41,900 Value ($000) $1,144 Avg Close $28.52 Range $25.08 - $32.20

Q4 2013

Shares 41,900 Value ($000) $1,225 Avg Close $27.99 Range $25.42 - $29.66

Q3 2013

Shares 41,900 Value ($000) $1,116 Avg Close $24.65 Range $21.21 - $27.17

Q2 2013

Shares 41,900 Value ($000) $888 Avg Close $21.04 Range $19.03 - $22.70

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	3,759	$863	$251.21	$217.65 - $284.86
Q4 2020	3,851	$1,034	$249.38	$218.23 - $273.33
Q1 2014	41,900	$1,144	$28.52	$25.08 - $32.20
Q4 2013	41,900	$1,225	$27.99	$25.42 - $29.66
Q3 2013	41,900	$1,116	$24.65	$21.21 - $27.17
Q2 2013	41,900	$888	$21.04	$19.03 - $22.70