Masimo to Present at the Deutsche Bank 34th Annual Health Care Conference

May 12, 2009

IRVINE, Calif., May 12 /PRNewswire-FirstCall/ -- Masimo Corporation (Nasdaq: MASI), the inventor of Pulse CO-Oximetry(TM) and Measure-Through Motion and Low-Perfusion pulse oximetry, today announced that its management is scheduled to present at the Deutsche Bank 34th Annual Health Care Conference in Boston, Massachusetts, on Tuesday, May 19, 2009, at 2:35 p.m. EDT. A live audiocast of the presentation will be available on the Masimo website at www.masimo.com. A replay of the audiocast will be available following the live presentation.

About Masimo

Masimo (NASDAQ: MASI) develops innovative monitoring technologies that significantly improve patient care-helping solve "unsolvable" problems. In 1995, the company debuted Measure-Through Motion and Low-Perfusion pulse oximetry, known as Masimo SET, which virtually eliminated false alarms and increased pulse oximetry's ability to detect life-threatening events. More than 100 independent and objective studies demonstrate Masimo SET provides the most reliable SpO2 and pulse rate measurements even under the most challenging clinical conditions, including patient motion and low peripheral perfusion. In 2005, Masimo introduced Masimo Rainbow SET Pulse CO-Oximetry, a breakthrough noninvasive blood constituent monitoring platform that can measure many blood constituents that previously required invasive procedures. Rainbow SET continuously and noninvasively measures total hemoglobin (SpHb(TM)), oxygen content (SpOC(TM)), carboxyhemoglobin (SpCO(R)), methemoglobin (SpMet(R)), and PVI(TM), in addition to oxyhemoglobin (SpO2), pulse rate (PR), and perfusion index (PI), allowing early detection and treatment of potentially life-threatening conditions. Founded in 1989, Masimo has the mission of "Improving Patient Outcomes and Reducing Cost of Care by Taking Noninvasive Monitoring to New Sites and Applications." Additional information about Masimo and its products may be found at http://www.masimo.com.

    Masimo Corporation
    Investor Contact:                             Media Contact:
    Mark P. de RaadDana Banks
    Executive Vice President                      Manager, Public Relations
     and Chief Financial Officer                  Masimo CorporationMasimo Corporation                            (949) 297-7348
    (949) 297-7080                                dbanks@masimo.com
    mderaad@masimo.com

Masimo, SET, Signal Extraction Technology, Improving Outcomes and Reducing Cost of Care by Taking Noninvasive Monitoring to New Sites and Applications, Rainbow, SpHb, SpOC, SpCO, SpMet, PVI, Radical-7, Rad-87, Rad-57, Rad-9, Rad-8, Rad-5, Pulse CO-Oximetry and Pulse CO-Oximeter are trademarks or registered trademarks of Masimo Corporation.

SOURCE  Masimo Corporation

    -0-                           05/12/2009
    /CONTACT:  investors, Mark P. de Raad, Executive Vice President and Chief
Financial Officer, +1-949-297-7080, mderaad@masimo.com, or media, Dana Banks,
Manager, Public Relations, +1-949-297-7348, dbanks@masimo.com, both of Masimo
Corporation/
    /Web Site:  http://www.masimo.com /
    (MASI)

CO:  Masimo Corporation; Deutsche Bank

ST:  California, Massachusetts
IN:  HEA MTC BIO FIN
SU:  TDS

PR
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8396 05/12/200912:00 EDThttp://www.prnewswire.com