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Wireless Knowledge Supports WAP

Joins Other Industry Leaders to Support Internet-basedStandard for Wireless Mobile Devices and Services

SAN DIEGO — August 2, 1999 — Wireless Knowledge LLC, a joint venture company between Microsoft Corporation (NASDAQ: MSFT) and QUALCOMM (NASDAQ: QCOM), today announced its membership to the Wireless Application Protocol (WAP) Forum, an industry association comprising more than 125 companies focused on the growth of the wireless market and unified interoperability among digital mobile phones and other wireless terminals.  Maintaining its commitment to support existing and future standards, Wireless Knowledge today emphasizes its support for the wireless application protocol, an open and global specification for wireless and telephony services.

“We are excited to have Wireless Knowledge join WAP Forum,” said Chuck Parrish, vice chairman of the WAP Forum and executive vice president of Phone.com Inc.  “Wireless Knowledge and the WAP Forum have a common goal — to empower mobile users with wireless and mobile devices that easily access and interact with key information.”

Wireless Knowledge’s RevolvSM service is a wireless data service that extends the reach of collaborative computing, enabling secure access to key corporate Microsoft® Exchange information from any Internet-ready mobile device, over any airlink.  In addition to supporting WAP, Wireless Knowledge intends to support all existing and future computing and Internet-based standards, providing a broad choice of standards-based wireless solutions to mobile professionals worldwide.

“The WAP Forum consists of industry leaders from an array of technology sectors, including our parent companies Microsoft and QUALCOMM, that share an incredibly important goal that will help advance the global expansion of wireless data,” said Dave Whalen, vice president of sales and marketing for Wireless Knowledge.  “We are looking forward to working with the Forum in a joint effort to accelerate the deployment of standards-based, browser-enabled mobile devices and other wireless services.”

Wireless Knowledge’s premier wireless data offering, the Revolv service, is available now on an OEM basis to wireless carriers, mobile data providers and strategic partners.  Wireless Knowledge has working relationships with a portfolio of leading wireless carriers and is currently pursuing other strategic alliances with computing, software and telecommunications companies.  Commercial end-user availability from the first carrier partners is expected in Summer 1999.

About WAP Forum

WAP Forum is an industry association that has developed a world standard for wireless information and telephony services on digital mobile phones and other wireless terminals.  Handset manufacturers representing more than 95 percent of the world market

across all technologies have committed to shipping WAP-enabled devices.  Carriers representing nearly 100 million subscribers worldwide have joined WAP.  These commitments will put tens of millions of WAP-browser-enabled products in consumer

hands by the end of 2000.  For more information on the WAP Forum, please visit the website at www.wapforum.org.

About Wireless Knowledge

            Wireless Knowledge LLC, is a joint venture between Microsoft and QUALCOMM.  The company has developed a wireless data service, the RevolvSM service, which extends the reach of collaborative computing into the wireless environment thus enabling pervasive computing on any Internet appliance.  Based on existing and future standards, the Revolv service offers secure access to productivity and information services using any airlink with any Internet-ready device.  For more information on Wireless Knowledge, please visit www.wirelessknowledge.com.

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