OSI Systems to Present at Roth Capital Partners' New York Conference

OSI Systems to Present at Roth Capital Partners' New York ConferenceOSI Systems, Inc. (Nasdaq:OSIS) today announced the company will be presenting at Roth Capital Partners' New York Conference to be held at the St. Regis Hotel from September 13 through September 15, 2004. The company's Chairman and CEO, Mr. Deepak Chopra, will be presenting on Monday, September 13 at 9 a.m. EST (6 a.m. PST).

To listen to the live web cast, please visit www.osi-systems.com and follow the link from the home page or visit http://www.wsw.com/webcast/roth4/. 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, Calif.-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.