O2Micro Receives Patent For Advanced Power Management in a PCI Host Controller

Monday December 18, 8:30 am ET


GEORGE TOWN, Grand Cayman, Dec. 18, 2006 (PRIME NEWSWIRE) -- O2Micro(r) International Limited (NASDAQ:OIIM - News) (HKSE:0457.HK - News), a leading supplier of innovative power management, and security components and systems, was issued 30 claims under United States patent number 7,120,807 for its PCI Host Controller with Advanced Power Management Reset invention.

This PCI Host Controller supports advanced power management specifications without requiring additional pin out arrangement or reassignment of pin functionality. This enables implementation of this invention in current computer systems without retooling or re-layout of the system board circuitry.


``This patented approach to PCI Power Management has provided O2Micro and our customers the convenience of pin-compatibility across our PCI component product lines,'' said Max Huang, executive vice president, O2Micro.


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 6,230 patent claims granted, and over 8,000 more pending. The company maintains offices worldwide. Additional company and product information can be found on the company website at http://www.o2micro.com.


O2Micro, the O2Micro logo, SmartCardBus, 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.




Mitchell Benus, Director of Investor Relations

(408) 332-1749