Masimo Corp.

Irvine, Calif. • 949-297-7000 • www.masimo.com

Exchange and Ticker: Nasdaq: MASI

Filing Range: 1.5M shares @ $16.00 to $18.00

Offering Price: $17.00

Close on First Day: $1.50

Offering Size: $202.60M

Shares Outstanding: 52,816,788

Underwriters: Piper Jaffray Cos./ Deutsche Bank Securities Corp./ Citi

Co-managers: Cowen/ Thomas Weisel Partners LLC

Company Counsel: Paul Hastings Janofsky & Walker

Manager Counsel: Latham & Watkins

Auditor: Grant Thornton LLP

Market Capitalization on 8/31/07: $1,109.15M

Close price at current month end: $21.00

COMPANY DESCRIPTION

Develops, licenses and markets medical signal processing technologies and products. The company’s pulse oximetry technology product measures arterial blood oxygen saturation levels and pulse rates in the presence of patient movement and low perfusion, enabling patients at risk of respiratory and cardiac complications, carbon monoxide poisoning and other life threatening diseases to be safely and noninvasively monitored. Competitors include Criticare, Instrumentarium, Invivo, Mallinckrodt, Novametrix Medical and Spacelabs Medical.

VENTURE BACKERS

Camden Partners, Cardinal Partners, Eos Partners, Investcorp, JP Morgan Partners, Moore Capital Management, Opus Capital, The Vertical Group, Warburg Pincus.

Source: Thomson Financial