Item 2.02. Results of Operations and Financial Condition.

On October 27, 2008, Masimo Corporation (the "Company") issued a press release announcing its financial results for the quarterly period ended September 27, 2008. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01. Financial Statements and Exhibits.

(d) The following item is filed as an exhibit to this Current Report on Form 8-K:

Exhibit No. Description

99.1 Press Release, dated October 27, 2008, issued by Masimo Corporation

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