2009-10-12 20:44:03 -

OSI Systems, Inc. (Nasdaq: OSIS : ) today announced that it will hold its quarterly conference call on Tuesday, October 27, 2009 at 9:00am PT (12:00pm ET) to discuss its results for the first quarter of fiscal 2010 ended September 30, 2009.

This call is being webcast by Thomson/CCBN and can be accessed either at www.earnings.com : or through the investor relation section at www.osi-systems.com : .
The webcast will also be distributed over Thomson/CCBN's Investor Distribution Network to both institutional and individual investors.

Individual investors can listen to the call through Thomson/CCBN's individual investor center at www.earnings.com : or by visiting any of the investor sites in Thomson/CCBN's Individual Investor Network.

A replay of the conference call will be available from 12:00pm PT (3:00pm ET) on October 27, 2009 until November 10, 2009. The replay may be accessed by visiting either www.earnings.com : or the investor relations section at www.osi-systems.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 : .
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OSI Systems, Inc.Jeremy NortonVice President,

Investor Relations310-349-2372 jnorton@osi-systems.com : mailto:jnorton@osi-systems.com