Oct 21, 2008

OSI Systems Announces Conference Call to Discuss Results for First Quarter of Fiscal 2009

HAWTHORNE, Calif., Oct 21, 2008 (BUSINESS WIRE) -- OSI Systems, Inc. (Nasdaq:OSIS), a vertically-integrated provider of specialized electronic products for critical applications in the security and healthcare industries, announced today that it will be hosting a conference call on Thursday October 30, 2008 at 9:00am PT (12:00am ET) to discuss its operating results for the first quarter of fiscal 2009. The operating results will be issued on Thursday October 30, 2008 at 6:00am PT (9:00am ET).

The call is being webcast by Thomson/CCBN and can be accessed either at www.earnings.com or through the investor relations section of the Company's website, http://investors.osi-systems.com/index.cfm.

A replay of the conference call will be available from 11:00am PT (2:00pm ET) on Thursday October 30, 2008 until November 13, 2008. The replay may be accessed by visiting either www.earnings.com or the investor relations section of the Company's website, http://investors.osi-systems.com/index.cfm.

About OSI Systems, Inc.

OSI Systems, Inc. is a vertically integrated designer and manufacturer of specialized electronic systems and components for critical applicationsinthe homeland security, healthcare, defense and aerospace industries. We combinemore than 30 years ofelectronics engineering and manufacturing experience withoffices and production facilities in more than a dozen countries toimplement 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

SOURCE: OSI Systems, Inc.

OSI Systems, Inc. 
Jeremy Norton 
Vice President 
Investor Relations & Business Development 
310-349-2372 
jnorton@osi-systems.com

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