O2Micro Schedules First Quarter Release and Conference Call

UNITED STATES


GEORGE TOWN, Grand Cayman, April 3, 2007 (PRIME NEWSWIRE) -- 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 first quarter ended March 31, 2007 after the market closes on Wednesday, May 2, 2007.

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. (May 3, 2007) Hong Kong time. You may participate using the following dial-in information.


 In the US and CANADA:               866-409-1555, pass code 6475249
 In HONG KONG:                       800-965-503, pass code 6475249
 Other INTERNATIONAL participants:   913-312-1235, pass code 6475249

A replay of the call will be available by phone until May 9th using the following dial-in information.


 In the US and CANADA:               888-203-1112, pass code 6475249
 In HONG KONG:                       800-908-709, pass code 6475249
 Other INTERNATIONAL participants:   719-457-0820, pass code 6475249

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 6,923 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 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.



        

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