Sep 1, 2006

OSI Systems To Present At Roth Capital Partners

OSI Systems To Present At Roth Capital Partners

OSI Systems To Present At Roth Capital Partners

OSI Systems, Inc. (Nasdaq:OSIS) today announced it will be giving two presentations at the Roth Capital Partners New York Conference being held September 6 through September 7, 2006 at the Westin NY hotel at Times Square.

Both presentations will be held on Thursday September 7, 2006 and be hosted by Mr. Deepak Chopra, the Company's Chairman and CEO. The first presentation, to be held at 10:00 a.m. (7:00 a.m. PT), will highlight the Company's Healthcare Division, which operates under the trade name of Spacelabs Healthcare. The second presentation, to be held at 11:30 a.m. (8:30 a.m. PT), will highlight the Company's Security Division, which operates under the trade name Rapiscan Systems.

To listen to the live web cast of either presentation, please visit www.osi-systems.com and follow the link from the front page.  Additional conference information can be found at the Roth Capital Partners web site at www.rothcapital.com.

About OSI Systems, Inc.

OSI Systems Inc. is a Hawthorne, California based diversified global developer, manufacturer and seller of security and inspection systems, medical monitoring and anesthesia delivery products, and optoelectronic-based components, as well as a provider of engineering and manufacturing services. 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. OSI Systems 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 subsidiary companies, visit www.osi-systems.com.

For Further Information

OSI Systems Inc                       
12525 Chadron Ave
Hawthorne CA 90250
(310) 349 2237
Contact: Jeremy Norton Director of Investor Relations