ICSA Labs Grants Firewall Certification to O2Micro SifoWorks


GEORGE TOWN, Grand Cayman, Aug. 23, 2006 (PRIMEZONE) -- O2Micro(r) International Limited (Nasdaq:OIIM) (SEHK:0457), a leading supplier of innovative power management, and security components and systems, today announced SifoWorks(tm) M520 VPN Firewall product wholly satisfied version 4.1 of the ICSA (International Customer Service Association's) Labs Firewall Corporate Certification Testing Criteria.

O2Micro can now display ICSA Labs' "Firewall Certified" logo on all SifoWorks M520 products. SifoWorks M520 is a VPN Firewall product based on a proprietary ASIC that 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; and O2Micro provides strong technical support worldwide. SifoWorks M520 product information is available at www.o2security.com.

ICSA Labs is a not for profit industry association led by customer service professionals for customer service professionals. An ICSA Labs certification ensures the company receiving this certification is trained and prepared to deliver first-rate quality service.

"The SifoWorks M520 product successfully passed the rigorous and publicly-vetted set of testing criteria. This allows O2Micro to join the select group of firewall vendors that have been granted ICSA Labs Firewall Certification and clearly demonstrates O2Micro's dedication to providing their clients sound security products," said Brian Monkman, ICSA Labs Firewall and SSL-TLS Programs Manager.

"This Firewall certification for SifoWorks M520 is key to O2Micro becoming the leading supplier of security system solutions," said Sterling Du, O2Micro CEO and Chairman.

About O2Micro

Founded in April 1995, O2Micro develops and markets innovative power management, and security components and systems for the computer, consumer, industrial, and communications markets. Products include Intelligent Lighting, Battery Management, Power Management, SmartCardBus(r) and Security products, such as VPN/Firewall system solutions.

O2Micro International maintains an extensive portfolio of intellectual property with 5,329 patent claims granted, and over 7,000 more pending. The company maintains offices worldwide. Additional company and product information can be found on the company website at www.o2micro.com.

O2Micro, the O2Micro logo, SmartCardBus, Succendo, and combinations thereof are registered trademarks of O2Micro. All other trademarks are the property of their respective owners.

Statements made in this release that are not historical, including statements regarding O2Micro's or management's intentions, hopes, beliefs, expectations, representations, projections, plans or predictions of the future, are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements involve risks and uncertainties that may cause actual results to differ materially from those set forth in these statements. Factors that could cause actual results to differ materially include risks and uncertainties such as reduced demand for products of electronic equipment manufacturers which include O2Micro's products due to adverse economic conditions in general or specifically affecting O2Micro's markets, technical difficulties and delays in the developments process, and errors in the products. You are also referred to the Form F-1 in connection with the company's initial public offering in August 2000, Form F-3 in connection with the company's public offering in November 2001, and the annual reports on Form 20-F, which identify important risk factors that could cause actual results to differ from those contained in the forward-looking statements. The company assumes no obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise.



            

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