OSI Systems, Inc., is a vertically integrated worldwide provider of devices, subsystems and end-products based on optoelectronic technology. Along with its U.S. subsidiaries, including UDT Sensors, Inc., the Company designs and manufacturers optoelectronic devices and value-added subsystems for original equipment manufacturers for use in a broad range of applications, including security, medical diagnostics, telecommunications, office automation, aerospace, computer peripherals and industrial automation. In addition, the Company utilizes its optoelectronic technology and design capabilities to manufacture security and inspection products that it markets worldwide to end users under the Rapiscan brand name. These products are used to inspect baggage, cargo and other objects for weapons, explosives, drugs and other contraband.

UDT Sensors 12525 Chadron Avenue Hawthorne, CA 90250 Tel: (310) 978-0516 Fax: (310) 644-1727 http://www.udt.com	AME a.s. Knudsrodveien 7 3189 Horten Norway Tel: 47-3-303-0300 Fax: 47-3-304-4570 http://www.ame.no
Rapiscan Systems 3232 El Segundo Ave Hawthorne, CA 90250 Tel: (310) 978-1457 Fax: (310) 349-2491 http://www.rapiscansystems.com	Rapiscan UK Unit B1 The Fleming Centre Fleming Way Crawley West Sussex England RH102NN Tel: 44-1293-540661 Fax: 44-1293-542019
Opto Sensors Singapore 996 Bendemeer Road 04-01/02 Singapore 339944 Tel: 65-296-7600 Fax: 65-296-5595	Opto Sensors Malaysia No. 8, Jalan Firma 2/2 81100 Johor Baharu Malaysia Tel: 607-353-7008 Fax: 607-353-7010