O2Micro to Announce Fourth Quarter 2012 Results

Tue Jan 8, 2013 4:00pm EST

* Reuters is not responsible for the content in this press release.

http://pdf.reuters.com/htmlnews/8knews.asp?i=43059c3bf0e37541&u=urn:newsml:reuters.com:20130108:nGNXUWXTXa

GEORGE TOWN, Grand Cayman, Jan. 8, 2013 (GLOBE NEWSWIRE) -- O2Micro® International Limited,
(Nasdaq:OIIM), a global leader in the design, development and marketing of high-performance
integrated circuits and solutions, will announce its financial results for the fourth quarter and
fiscal year 2012, ended December 31, 2012, on Wednesday, January 30, 2013.

The press release will be followed by a conference call at 6:00 a.m. (PST), 9:00 a.m. (EST). You
may participate using the following dial-in information.

 In the U.S. and CANADA:      888-428-9473, pass code #8044151  
 INTERNATIONAL participants:  719-325-2420, pass code #8044151  


A replay of the call will be available by phone until February 6th using the following dial-in
information.

 In the U.S. and CANADA:      888-203-1112, pass code #8044151  
 INTERNATIONAL participants:  719-457-0820, pass code #8044151  


A live webcast will also be available on the Company's website at http://ir.o2micro.com
http://www.globenewswire.com/newsroom/ctr?d=10017512&l=4&u=http%3A%2F%2Fir.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 e-commerce
components for the Computer, Consumer, Industrial, and Communications markets. Products include
Intelligent Lighting, Battery Management, and Power Management.

O2Micro International maintains an extensive portfolio of intellectual property with 21,475 patent
claims granted, and over 22,000 more pending. The company maintains offices worldwide. Additional
company and product information can be found on the company website at www.o2micro.com
http://www.globenewswire.com/newsroom/ctr?d=10017512&l=7&a=www.o2micro.com&u=http%3A%2F%2Fwww.o2micro.com%2F
.

O2Micro, the O2Micro logo, and combinations thereof are registered trademarks of O2Micro. All
other trademarks are the property of their respective owners.

The O2Micro International Limited logo is available
athttp://www.globenewswire.com/newsroom/prs/?pkgid=6567
http://www.globenewswire.com/newsroom/ctr?d=10017512&l=9&a=www.globenewswire.com%2Fnewsroom%2Fprs%2F%3Fpkgid%3D6567&u=http%3A%2F%2Fwww.globenewswire.com%2Fnewsroom%2Fprs%2F%3Fpkgid%3D6567

CONTACT: Scott L. Anderson
         Director of Investor Relations, O2Micro
         Phone: 408.987.5920, x8888
         Email: scott.anderson@o2micro.com
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