Press Release


O2Micro Announces Postponement of Offering

Tuesday December 20, 5:22 am ET


SANTA CLARA, Calif. & GEORGE TOWN, Grand Cayman--(BUSINESS WIRE)--Dec. 20, 2005--O2Micro® International Limited (Nasdaq:OIIM - News), a leading supplier of innovative power management and security components and systems for the Computer, Consumer, Industrial, and Communications markets, today announced it postponed the implementation of its offering and listing on the Hong Kong Stock Exchange.


The timing of the global offering and listing on the HKSE is subject to the approval of the HKSE and the board's determination based on market conditions and other factors.


The listing on the HKSE, at such time that it is completed, will be in addition to the current listings on The Nasdaq National Market and Cayman Stock Exchange (CSX).


A registration statement relating to the securities proposed to be offered by the company in the U.S. has been filed with the U.S. Securities and Exchange Commission but has not yet become effective. These securities may not be sold nor may offers to buy be accepted prior to the time the registration statement becomes effective. This press release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.


The proposed global offering will be made only by means of prospectus, a copy of which may be obtained, when available, from: Gil Goodrich, O2Micro International Limited, Director of Investor Relations, Phone: 408.987.5920, Ext. 8013.


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® and Security products, such as VPN/Firewall system solutions.


O2Micro International maintains an extensive portfolio of intellectual property with 3,271 patent claims granted, and over 5000 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 and combinations thereof are registered trademarks of O2Micro.



O2Micro Inc.

Gil Goodrich, 408-987-5920 ext. 8013

Fax: 408-987-5929