Feb 17, 2005

OSI Systems to Present at Roth Capital Partners 17th Annual Growth Stock Conference

OSI Systems to Present at Roth Capital Partners 17th Annual Growth Stock ConferenceOSI Systems, Inc. (Nasdaq:OSIS) today announced that it will make two presentations at the Roth Capital Partners 17th Annual Growth Stock Conference to be held at the St. Regis Monarch Beach Resort & Spa from February 21 through February 23, 2005.

The company's Chairman and CEO, Mr. Deepak Chopra, will present the OSI Healthcare Group with Spacelabs Medical President, Mr. Dave Tilley, on Tuesday, February 22, at 4:30 p.m. (7:30 p.m. EST). On Wednesday, February 23, at 9:00 a.m. (12:00 p.m. EST), Mr. Chopra will present the OSI Security Group with OSI Security Group President, Mr. Ajay Mehra.



To listen to the live web cast of the OSI Healthcare Group presentation, please visit www.osi-systems.com and follow the link from the home page or visit http://www.wsw.com/webcast/roth5/osis2/. To listen to the live web cast of the OSI Security Group presentation, please visit www.osi-systems.com and follow the link from the home page or visit http://www.wsw.com/webcast/roth5/osis/. 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 Hawthorne, California-based diversified global developer, manufacturer and seller of security and inspection systems, medical monitoring 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.