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KDDI Selects Openwave Technology to Power Next Generation Mobile Internet Services

REDWOOD CITY, Calif. January 29, 2001 Openwave Systems Inc. (Nasdaq: OPWV), the worldwide leader of open IP-based communications infrastructure software and applications, today announced a comprehensive, flexible and seamless product architecture for packet-based GPRS (2.5G) and third generation (3G) wireless networks for communication service providers worldwide. Openwaves next generation strategy is an integral part of its Services OS(TM), an IP-based software platform that enables communication service providers to rapidly deploy sophisticated information and communication services. Openwave also announced today that KDDI has selected the Openwave solution as the infrastructure of its next generation network services rollout.
Many Openwave customers are currently operating WAP based mobile Internet services with second generation networks. As networks evolve to 2.5G with the introduction of packet-based data services such as GPRS, as well as to 3G technologies, Openwaves products will allow a modular migration path for service providers worldwide. Openwaves next generation product set will enable service providers to fully exploit the capabilities of new networks with the addition of multi-mode XHTML, WML, HDML, and CHTML browsing support. In addition, the next generation products will feature full color graphics, multimedia, and advanced subscriber management capabilities, and will offer support for the next version of WAP. Openwaves solution will allow carriers to retain their existing investment in content and infrastructure through full backward compatibility with todays mobile Internet services.

Openwave is continuing its leadership and innovation in the wireless Internet space by defining for our customers the evolution to 2.5G and 3G services, said Don Listwin, president and CEO of Openwave. We are especially pleased to pioneer 3G wireless Internet services with KDDI in Japan. Our new technologies support the broad range of advanced Japanese content and services.
Openwaves products are a critical part of our strategy to bring third generation wireless multimedia services to KDDI subscribers in Japan, said Tadashi Onodera, executive vice president at KDDI. Openwave offers us the critical mass of technology and rapid time to market needed to get innovative services up and running quickly.
The next version of WAP enables the convergence of the WAP specifications and the broader Internet. By taking advantage of enhancements in mobile devices and networks, the WAP 2.0 architecture supports XHTML, TCP and HTTP. Use of XHTML, the next generation of HTML from the W3C, will enable web developers to create applications in a single markup language, for delivery to PC and WAP browsers. These technologies are expected to be in the market in 2001.
About Openwave
Openwave Systems Inc. (Nasdaq: OPWV), the combination of Phone.com and Software.com, is the worldwide leader of open Internet-based communication infrastructure software and applications. Openwave is a global company headquartered in Redwood City, California. For more information, please visit http://www.openwave.com NOTE REGARDING FORWARD LOOKING STATEMENTS

This release contains forward-looking statements relating to expectations, plans or prospects for Openwave Systems Inc. that are based upon the current expectations and beliefs of Openwaves management and are subject to certain risks and uncertainties that could cause actual results to differ materially from those described in the forward-looking statements. In particular, the following factors, among others, could cause actual results to differ materially from those described in the forward-looking statements: (a) the ability to realize our strategic objectives by taking advantage of market opportunities in the Americas, Europe and the Middle East including Asia; (b) the ability to make changes in business strategy, development plans and product offerings to respond to the needs of our current, new and potential customers, suppliers and strategic partners; (c) risks associated with the development and licensing of software generally, including potential delays in software development and technical difficulties that may be encountered in the development or use of Openwaves software; (d) the ability to continue to obtain qualified, experienced employees; (e) the ability to successfully partner with other companies; (f) competition and technological changes and developments; and (g) general risks of the Internet and wireless and wireline telecommunications sectors.


For a detailed discussion of these and other cautionary statements, please refer to the risk factors discussed in filings with the U.S. Securities and Exchange Commission (SEC), including but not limited to Phone.coms and Software.coms respective Quarterly Reports on Form 10-Q for the quarter ended September 30, 2000, Phone.coms and Software.coms most recently filed Annual Reports on Form 10-K, and Phone.coms registration statement on Form S-4 as filed on October 10, 2000. All documents also are available through the SECs Electronic Data Gathering Analysis and Retrieval system (EDGAR) at http://www.sec.gov or from Openwaves Web site at http://www.openwave.com. The Company assumes no obligation to update the forward-looking statements included in this document.
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