PLEASANTON, CA and GEORGE TOWN, Grand Cayman, December 6, 2006.
O2Micro$(D??(B International Limited (NASDAQ$(D??(B: OIIM; SEHK: 0457), a leading
supplier of innovative power management, and security components and
systems, today announced its selection of WANdisco's Sarbanes-Oxley
(SOX) compliant Concurrent Versions System (CVS) to support their
globally distributed development efforts.

In an ongoing effort to manage various regulatory costs, like SOX,
O2Micro chose the services of WANdisco over other security options
available for CVS that offer limited support and restricted audit
reporting capabilities.

"The fact that WANdisco can address regulatory requirements imposed
by SOX which are starting to impact software development organizations
and intellectual property protection made a big difference for
O2Micro," said Steve Krems, Information Technology Director at
O2Micro. Mr. Krems adds, "With this implementation, we anticipate
network performance improvement, and a reduction in development cycle
time and risk of valuable intellectual property losses."

"We are delighted that O2Micro selected WANdisco to help protect some
of its most important assets," said David Richards, President and CEO
of WANdisco. "Securing source code that is developed on a worldwide
basis is now an imperative for any public company."


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$(D??(B and Security products, such as VPN/Firewall system
solutions.

O2Micro International maintains an extensive portfolio of intellectual
property with 5,766 patent claims granted, and over 7,000 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.



About WANdisco

Since 2001 WANdisco has set out to push the limits of what can be
achieved with distributed systems deployed on a Wide Area Network
(WAN). The result of these efforts is new technology that fundamentally
changes the way distributed nodes, or servers, interact to provide
unprecedented levels of reliability, availability and scalability (RAS)
enabling the internet to realize its full potential. WANdisco has
applied this technology to the development of its suite of multi-site
SCM solutions for CVS, CVSNT, and Subversion. For the first time a
development team can truly be spread-out across the world and work as
one unit, in real-time.

Global 2000 companies rely on WANdisco's suite of SCM solutions for
CVS, CVSNT and Subversion to enable them to distribute work based on
where their talent is located, rather than on the basis of time-zone
constraints. This results in dramatically reduced costs and
significantly improved utilization of scarce resources, visit
http://www.wandisco.com.