O₂Micro^® International Limited (NASDAQ^®: OIIM) (SEHK: 0457), a leading supplier of innovative power management and security components, will announce its financial results for the third quarter ended September 30, 2008 before the market opens on Wednesday, October 29, 2008.

The press release will be followed by a conference call at 5:00 a.m. PDT, 8:00 a.m. EDT, and 8:00 p.m. Hong Kong time. You may participate using the following dial-in information.

In the US and CANADA: 866-409-1555, pass code #7041539

In HONG KONG: 800-965-503, pass code #7041539

Other INTERNATIONAL participants: 913-312-1444, pass code #7041539

A replay of the call will be available by phone until November 5^th using the following dial-in information.

In the US and CANADA: 888-203-1112, pass code #7041539

In HONG KONG: 800-901-108, pass code #7041539

Other INTERNATIONAL participants: 719-457-0820, pass code #7041539

A live simulcast will also be available on the company website at www.o2micro.com, and an online replay will be available on the website for one week.

About O₂Micro

Founded in April 1995, O₂Micro develops and markets innovative power management and security components for the Computer, Consumer, Industrial, and Communications markets. Products include Intelligent Lighting, Battery Management, Power Management, and SmartCardBus^® products.

O₂Micro International maintains an extensive portfolio of intellectual property with 10,001 patent claims granted, and over 12,000 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, and combinations thereof are registered trademarks of O₂Micro. All other trademarks are the property of their respective owners.

O₂Micro
Gary E. Abbott
Director of Investor Relations
408-987-5920 ext. 8888
gary.abbott@o2micro.com