Masimo to Issue IPO

August 8, 2007 - Masimo Corp. announced the pricing of its initial public offering of 11,916,626 shares of common stock at a price of $17 per share.

Masimo intends to use the net proceeds from the offering for capital expenditures and the placement of equipment, sales and marketing activities to support the ongoing commercialization of the Masimo SET and Masimo Rainbow SET pulse oximetry products, sales force expansion, research and development activities and including support of hardware and software product development and clinical study initiatives.

Masimo Corp. common stock will trade on the NASDAQ Global Market under the symbol "MASI."

For more information: www.masimo.com