02MICRO INTERNATIONAL ANNOUNCES PATENT GRANT FOR VPN FIREWALL SYSTEM

Date30-Mar-2006
GEORGE TOWN, Grand Cayman--(BUSINESS WIRE)--March 27,

2006--O2Micro(R) International Limited (NASDAQ:OIIM)(SEHK:0457), a leading supplier of innovative power management, and security components and systems for the Computer, Consumer, Industrial, and Communications markets, was issued 12 claims under GB (Great Britain) patent number 2,407,464 for its VPN Firewall Integrated System.

"We are excited to receive this patent grant for the VPN Firewall Integrated System. O2Micro's SifoWorks(TM) and Succendo(TM) firewall products include this patented architecture," commented Max Huang, executive vice president of O2Micro's Intelligent E-Commerce business unit.

O2Micro's innovative system architecture, protected by the patent claims, is the foundation for the SifoWorks(TM) product families and enables superior price-performance for the corporate user.

SifoWorks(TM) is based on proprietary ASIC technologies, capable of 5Gbps firewall throughput, and achieves a wide range of high performance security functions at wire speed. It is well suited for medium and large scale enterprises, universities, systems integrators and OEMs.

Succendo(TM) simplifies secure remote intranet access with an innovative SSL VPN solution. Users of home and mobile offices, business partners, etc. can easily and securely access the company's intranet via Succendo.

 

CONTACT: O2Micro

Gil Goodrich, 408-987-5920, Ext. 8013

(Director of Investor Relations)

gil.goodrich@o2micro.com