Openwave Collaborates with Zero Start to Power Mobile Mini-Blog Service

Japanese Start-up's Mini-Blog Service Powered by Openwave Converged Communications Platform to Enable Social Networking Capabilities on Mobile Devices

REDWOOD CITY, Calif. - January 17, 2008 --

Openwave Systems Inc. (Nasdaq: OPWV), one of the world's leading software innovators enabling revenue-generating personalized services which converge the mobile and broadband experience, today announced a joint collaboration with Japanese Internet start-up, Zero Start Communications Co. Ltd, to launch a new mobile Mini-Blog service branded "chopi" in Japan. Openwave's carrier-grade, standards-based converged communications platform, will serve as the messaging engine powering Zero Start's chopi Mini-Blog service (http://chopi.jp/).

Zero Start's chopi Mini-Blog service enables users to join communities, view other user's comments, and communicate with friends, family members and others via their mobile device. The chopi Mini-Blog service also offers consumers closed community portal pages along with search engine and private messaging.

"As the mobile Internet continues to become more sophisticated, consumers are demanding a deeper level of personalization and more dynamic ways to communicate," said Hari Haran, senior vice president of worldwide field operations, Openwave Systems. "We're thrilled to see our industry-proven converged communications platform take new directions, driving innovative mobile Web 2.0 communication options to Japanese consumers."

"In Japan, mini-blogs are among the latest trends in mobile communications," said Shinichi Ijichi, Zero Start's senior executive managing director. "The chopi service targets avid mobile users who eat, sleep and breathe the mobile lifestyle and want to establish casual communication with others. We are honored to align ourselves with an innovative and well-proven mobile messaging company like Openwave to collaborate in creating our new service, and look forward to a long, mutually beneficial relationship."

Openwave's converged communications platform enables new messaging services to meet the evolving messaging demands of today's users, across mobile and broadband. It is designed to enable monetization of advanced messaging services on any device. Through the Extensions technology, communication service providers have the ability to "plug in" value-added and best-of-breed processing software such as anti-virus, anti-spam, message reformatting, indexing or lawful mail interceptions (CALEA) efficiently and cost effectively.

Openwave's messaging solutions are optimized to work with Openwave Rich Mail, an AJAX-based Web interface that offers a superior innovative end-user experience including integrated messaging, intelligent single-click access to content, address book, mobile access and real-time notifications, as well as targeted advertising and merchandising.

Openwave offers a complete portfolio of converged communications products and services including mobile messaging, voice, real-time call control, and integrated PC-based applications, supported by its industry leading converged communications platform.

About Zero Start Communications

Zero Start Communications Co., Ltd., offers new, innovative marketing solutions based on the latest Internet technologies and services. Headquartered in Shibuya-ku, Tokyo, Japan, Zero Start was founded in June 2006 by three senior executives who came from a notable Japanese portal. Zero Start provides software products and software engineering for the internet media industry, and web services in Japan.

About Openwave

Openwave Systems Inc. (Nasdaq: OPWV) is a global software innovator and the inventor of the mobile internet. Openwave established many of the foundational patents that allow mobile devices to connect to the Internet. Over the years, the company has built a patent portfolio of approximately 200 patents covering many innovations spanning smart devices, cloud technologies and unified messaging. Today Openwave provides all-Internet Protocol (all-IP) mediation and messaging solutions that enable communication service providers to create and deliver smarter services.

Building on its mobile data heritage, Openwave mobilizes the Internet with data-driven solutions that comprehensively enhance IP traffic and increase the value of the mobile network. Openwave arms its customers with a 360-degree view of network activity plus the tools to help them proactively optimize network resources (Congestion Control), react to user behavior with smarter data plans and services (Price Plan Innovation), and deliver a contextually relevant messaging experience (Converged Messaging).

Openwave is a global company with a blue chip customer base spanning North America, Latin America, Australia and New Zealand, Asia, Africa, Europe, and the Middle East. Openwave is headquartered in Silicon Valley, California.

Cautionary 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 Openwave's 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. Notwithstanding changes that may occur with respect to matters relating to any forward looking statements, Openwave does not expect to, and disclaims any obligation to, update such statements. Openwave, however, reserves the right to update such statements or any portion thereof at any time for any reason.

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 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; (b) the ability to develop and commercialize new products; (c) industry and customer adoption and acceptance of new products, such as Openwave NGG; (d) 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 our software; (e) increased global competition and pricing pressure on our products; (f) 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 the Company's Annual Report on Form 10-K for the fiscal year ended June 30, 2006, and any subsequently filed reports. All documents also are available through the SEC's Electronic Data Gathering Analysis and Retrieval system (EDGAR) at www.sec.gov or from Openwave's website at www.openwave.com.

Openwave and the Openwave logo are trademarks of Openwave Systems Inc. All other trademarks are the properties of their respective owners.

Nihon Openwave Systems Inc.
Shinya Matsuoka
Regional CTO
Tel: +81-3-5909-6302
shinya.matsuoka@openwave.com