2008-06-26 23:13:10 -

- O2Micro(R) International Limited (NASDAQ:OIIM) (SEHK:0457), a leading supplier of innovative power management, and security components and systems, will announce its financial results for the second quarter ended June 30, 2008 after the market closes on Wednesday, July 30, 2008.

The press release will be followed by a conference call at 2:00 p.m. PDT, 5:00 p.m. EDT, and 5:00

a.m. (July 31, 2008) Hong Kong time. You may participate using the following dial-in information. -0- In the US and CANADA: 866-316-1372, pass code #9146108 In HONG KONG: 800-965-503, pass code #9146108 Other INTERNATIONAL participants: 913-312-1272, pass code #9146108

A replay of the call will be available by phone until August 6th using the following dial-in information. -0- In the US and CANADA: 888-203-1112, pass code #9146108 In HONG KONG: 800-901-108, pass code #9146108 Other INTERNATIONAL participants: 719-457-0820, pass code #9146108

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 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 9,604 patent claims granted, and over 10,000 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, 408-987-5920, x8888
Director of Investor Relations
gary.abbott@o2micro.com