Exhibit 31.4
CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER
Pursuant to Rule 13a-14(a) adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
I, Mark P. de Raad, certify that:
1. I have reviewed this Form 10-K/A of Masimo Corporation; and
2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.
/S/ MARK P.DE RAAD |
| Mark P. de Raad |
| Executive Vice President and Chief Financial Officer |
| (Principal Financial Officer) |
Dated: April 29, 2013
