OSI Systems to Present at the Roth Capital Partners Annual OC Growth Stock Conference on Wednesday March 17, 2010

OSI Systems, Inc. (NASDAQ:OSIS), a vertically integrated provider of specialized electronics products for critical applications in the Security and Healthcare industries, today announced it will be presenting at the Roth Capital Partners 22nd Annual OC Growth Stock Conference. The presentation is to be held at 9:00am PT (12:00pm ET) on Wednesday March 17, 2010.

To listen to the live web cast of the presentation, please visit the investor relations section of the OSI Systems website and follow the link from the front page. Additional conference information can be found at the Roth Capital Partners web site at www.rothcp.com.

About OSI Systems, Inc.

OSI Systems, Inc. is a vertically integrated designer and manufacturer of specialized electronic systems and components for critical applications in the homeland security, healthcare, defense and aerospace industries. We combine more than 30 years of electronics engineering and manufacturing experience with offices and production facilities in more than a dozen countries to implement a strategy of expansion into selective end product markets. For more information on OSI Systems Inc. or any of its subsidiary companies, visit www.osi-systems.com. News Filter: OSIS-G