OSI Systems Announces Third Quarter Conference Call

HAWTHORNE, Calif.--(Business Wire)--
OSI Systems, Inc. (Nasdaq:OSIS) today announced that it will hold
its quarterly conference call on Thursday, May 1, 2008 at 9:00am PT
(12:00pm ET) to discuss its results for the third quarter and first
nine months of fiscal 2008.

This call is being webcast by Thomson/CCBN and can be accessed
either at www.earnings.com or through 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 11:00am PT
(2:00pm ET) on May 1, 2008 until May 15, 2008. The replay may be
accessed by visiting either www.earnings.com or www.osi-systems.com.

About OSI Systems, Inc.

OSI Systems, Inc. and its subsidiaries are a vertically integrated
designer and manufacturer of specialized electronic systems and
components for critical applications. The Company sells its products
in diversified markets, including homeland security, healthcare,
defense and aerospace. The Company has more than 30 years of
experience in electronics engineering and manufacturing and maintains
offices and production facilities located in more than a dozen
countries. The Company implements a strategy of expansion by
leveraging its electronics and contract manufacturing capabilities
into selective end product markets through organic growth and
acquisitions. For more information on OSI Systems Inc. or any of its
subsidiaries, visit www.osi-systems.com.

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

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