MASIMO CORP — Director's Dealing 2017

May 10, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASIMO CORP (MASI)
CIK: 0000937556
Period of Report: 2017-05-08

Reporting Person: Leclercq Thierry (EVP, Bus Dev)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-08	Restricted Stock Units	$	A	25000	Acquired		Common Stock (25000.0)	Direct

Footnotes

F1: Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of the Issuer upon vesting of the RSU.

F2: These RSUs were granted on May 8, 2017. They will vest over a five year period, with 20% of the award subject to the units vesting on each anniversary of vesting commencement date of April 10, 2017.