JAPANESE PATENT OFFICE ISSUES PATENT FOR O₂MICRO'S POWER MANAGEMENT INVENTION

GEORGE TOWN, Grand Cayman, February 26, 2014. O₂Micro^® International Limited (NASDAQ Global Select Market: OIIM), a global leader in the design, development and marketing of high-performance integrated circuits and solutions, announced that its Selector Circuit for Power Management in Multiple Battery Systems invention was patented by the Japanese Patent Office (JPO).

This patented power management invention, issued 19 claims under JPO number 5,414,837, enables integration of the battery charger and selector circuits to reduce PCB area. This reduces component cost in portable electronic devices with multiple batteries, such as notebook computer, mobile phone, PDA (Personal Digital Assistant), PMP (Portable Media Player) and MP3 player applications.

Laszlo Lipcsei, vice president, O₂Micro, said "O₂Micro's invention simplifies the power management system, and enhances power supply safety and battery life in a cost-effective manner."

About O₂Micro

Founded in April 1995, O₂Micro develops and markets innovative power management components for the Computer, Consumer, Industrial, Automotive and Communications markets. Products include LED General Lighting, Backlighting, Battery Management and Power Management.

O₂Micro International maintains an extensive portfolio of intellectual property with 25,682 patent claims granted, and over 26,000 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, and combinations thereof are registered trademarks of O₂Micro. All other trademarks or registered trademarks are the property of their respective owners.

Statements made in this release that are not historical, including statements regarding O₂Micro's or management's intentions, hopes, beliefs, expectations, representations, projections, plans or predictions of the future, are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements involve risks and uncertainties that may cause actual results to differ materially from those set forth in these statements. Factors that could cause actual results to differ materially include risks and uncertainties such as reduced demand for products of electronic equipment manufacturers which include O₂Micro's products due to adverse economic conditions in general or specifically affecting O₂Micro's markets, technical difficulties and delays in the developments process, and errors in the products. You are also referred to the Form F-1 in connection with the company's initial public offering in August 2000, Form F-3 in connection with the company's public offering in November 2001, and the annual reports on Form 20-F, which identify important risk factors that could cause actual results to differ from those contained in the forward-looking statements. The company assumes no obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise. 

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