WIRELESSKNOWLEDGE UNVEILS PREMIER WIRELESS DATA ACCESS SERVICE, REVOLV

SAN DIEGO – Jan. 19, 1999 – wirelessknowledge™ LLC, a joint venture company between Microsoft Corporation
(NASDAQ: MSFT) and QUALCOMM Incorporated (NASDAQ: QCOM), today announced at Showcase ‘99 their first service
offering, named Revolv.SM Revolv services are the first in a series of services to be offered by the company, whose formation
was first announced on Nov. 10, 1998. Revolv is a valuable service that will provide mobile professionals with secure access to
important information and Microsoft Exchange groupware using a variety of wireless or mobile devices from anywhere they
travel. The company expects wireless carriers to deliver Revolv services to their customers in early 1999, providing them with
100 percent mobile connectivity, regardless of technology or device preference.

"wirelessknowledge™’s charter is to bring true convergence to the computing and wireless communications industries," said
John Major, president and chief executive officer of wirelessknowledge™. "Revolv services are the first step in demonstrating
our commitment to making true convergence a reality for the mobile professional."

Revolv services will be provided across a wide spectrum of wireless or mobile device types, such as Windows CE® devices,
palm-size PCs, browser-equipped phones, pagers, Web access terminals, other HTML-enabled PDAs and laptop computers
running the Windows CE, Windows 95, Windows 98 or Windows NT® operating systems. This will allow mobile professionals
access to their e-mail, contacts, calendar and other data residing on either a hosted server or on their corporate Microsoft
Exchange servers. Revolv will save users time by allowing them to take action or make changes to data from anywhere and
eliminate the hassle of synchronizing the data upon returning to the office.

Revolv features include access to the following:

Electronic mail. This allows customers to use their existing e-mail clients and provides value-added e-mail
applications for certain key devices. E-mail formatting is optimized for each device and includes integration with alerts.
Calendaring. This feature allows one to access the calendar in Microsoft Exchange as it is on a corporate server.
Contacts. This feature allows one to access contacts in Microsoft Exchange as it is on a corporate server.
Content. Information content is provided in two ways: first, using generic Internet access to all supported device
configurations and second, providing device-tailored start pages for each device class.
Hosted access. This feature allows individual and small business customers to sign up for accounts where the
Exchange server is hosted on their behalf without the extra complexity of setting up their own network and servers.
Corporate access. Larger companies can utilize a combination of Virtual Private Networks (VPNs) and new firewall
access methods to enable corporate access to mobile users.

Revolv services are built on an end-to-end architecture based on industry-standard technologies including the Microsoft
BackOffice® family and Microsoft Commercial Internet System (MCIS). Revolv will be accessible over all digital wireless wide
area networks, including those based on CDMA technology, GSM, TDMA, CDPD and Mobitex.

wirelessknowledge™ has working relationships with a portfolio of leading wireless carriers and is currently forming other
strategic partnerships with computing, software and telecommunications companies. The wireless carrier charter partners
include: AirTouch Communications, AT & T Wireless Services, Bell Atlantic Mobile, Bell Mobility (Canada), BellSouth, GTE
Wireless, Leap Wireless International, Sprint PCS and US West Wireless.

Availability

Revolv is available now on an OEM basis to carriers. Commercial end-user availability from the first carrier partners is expected
in early 1999. The service will include data services to maintain messaging, e-mail, calendaring, contact list and basic
information services through the Internet, plus access to Exchange-based corporate networks. Additional features and services
will be added over time.


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