RIM and Yahoo! Bring Yahoo! Go for Mobile 2.0 to BlackBerry Users, Expanding Global Relationship

Research In Motion (RIM) (Nasdaq:RIMM)(TSX:RIM) and Yahoo! Inc.
(Nasdaq:YHOO) have expanded their strategic global alliance to bring
Yahoo! Go for Mobile 2.0 to millions of BlackBerry(R) users around the
world. Starting today, users worldwide can download and enjoy the beta
version of Yahoo! Go 2.0 on select handsets including the
BlackBerry(R) 8700 Series, BlackBerry(R) 7130 Series and BlackBerry(R)
Pearl(TM). The companies also plan to make Yahoo! Go 2.0 available for
future BlackBerry handsets and develop even tighter integration
between it and the BlackBerry platform.

"Our relationship with Yahoo! continues to grow and to benefit
mobile users that want to access Yahoo!'s popular services via the
industry leading BlackBerry platform," said Jim Balsillie, chairman
and co-CEO of Research In Motion. "Yahoo! Mail and Yahoo! Messenger on
BlackBerry handsets deliver an exceptional experience that is
representative of our strong relationship. We are pleased to be
working with Yahoo! to bring new services through Yahoo! Go 2.0 to
BlackBerry users around the world."

RIM and Yahoo! first announced their relationship to bring
Yahoo!'s innovative services to BlackBerry users in early 2005. Since
then, the companies have launched several Yahoo! services including
Yahoo! Mail, Yahoo! Messenger and Yahoo! Search.

"We have optimized Yahoo! Go 2.0 for BlackBerry and believe we
have created an unmatched mobile Internet experience on their
handsets," said Marco Boerries, senior vice president of connected
life, Yahoo!. "Together, Yahoo! and RIM have already successfully
launched Yahoo! services to BlackBerry users through more than 120
mobile operators in almost 60 countries, and with today's launch we
are continuing to make it easy for people to stay connected to what's
important to them."

The Yahoo! Go 2.0 beta is an innovative new application that
redefines the mobile Internet experience for users through a unique
product design, ability to personalize with content from the entire
Internet and a reinvention of mobile search. Key features of Yahoo! Go
for Mobile 2.0 for BlackBerry users include:

-- Search reinvented for mobile users -- oneSearch recognizes the
intent of a search term and presents relevant content -- not
just a list of web links to PC sites -- on the results page.
Results are grouped by subject making it easy to read through
and drill down to get more details.

-- Be local, no matter where you are* -- The Local & Maps widget
gives users quick access to comprehensive local directory
information for businesses across the US, enhanced with
ratings and reviews from the millions-strong Yahoo! community.
Interactive maps, driving directions and real time traffic
updates help users find their way.

-- Rich, highly personalizable content from millions of sources
to keep users connected -- Current headlines and a breaking
news ticker in the News, Sports, Entertainment, Weather and
Finance widgets keep consumers connected to the information
that matters to them. Each widget also includes a "command
center" where consumers can access more articles, use
watchlists to track topics of interest -- from sports teams to
stocks to celebrities -- or add new content from the millions
of sources on the Web that publish in RSS.

-- Photo sharing keeps consumers connected to their community --
The Flickr widget integrates one of the Web's most innovative
and prolific photo-sharing communities, making it easy for
BlackBerry users to easily access photos, view their friends'
pictures and browse or search the millions of images posted by
the Flickr community.

RIM and Yahoo! are also continuing to work together to bring other
Yahoo! services to BlackBerry handsets, as well as further enhance the
Yahoo! Mail user experience.

Download Yahoo! Go for Mobile 2.0

Consumers around the world can get more information on or download
the beta version of Yahoo! Go 2.0 for BlackBerry handsets beginning
today by visiting http://go.yahoo.com.

About Research In Motion (RIM)

Research In Motion is a leading designer, manufacturer and
marketer of innovative wireless solutions for the worldwide mobile
communications market. Through the development of integrated hardware,
software and services that support multiple wireless network
standards, RIM provides platforms and solutions for seamless access to
time-sensitive information including email, phone, SMS messaging,
Internet and intranet-based applications. RIM technology also enables
a broad array of third party developers and manufacturers to enhance
their products and services with wireless connectivity to data. RIM's
portfolio of award-winning products, services and embedded
technologies are used by thousands of organizations around the world
and include the BlackBerry(R) wireless platform, the RIM Wireless
Handheld(TM) product line, software development tools, radio-modems
and software/hardware licensing agreements. Founded in 1984 and based
in Waterloo, Ontario, RIM operates offices in North America, Europe
and Asia Pacific. RIM is listed on the Nasdaq Stock Market
(Nasdaq:RIMM) and the Toronto Stock Exchange (TSX:RIM). For more
information, visit www.rim.com or www.blackberry.com.

About Yahoo!

Yahoo! Inc. is a leading global Internet brand and one of the most
trafficked Internet destinations worldwide. Yahoo!'s mission is to
connect people to their passions, their communities, and the world's
knowledge. Yahoo! is headquartered in Sunnyvale, California.

* Subject to wireless network coverage.

Yahoo! and the Yahoo! logos are trademarks and/or registered
trademarks of Yahoo! Inc. All other names are trademarks and/or
registered trademarks of their respective owners.

Forward-looking statements in this news release are made pursuant
to the "safe harbor" provisions of the United States Private
Securities Litigation Reform Act of 1995. When used herein, words such
as "intend" and similar expressions are intended to identify
forward-looking statements. Forward-looking statements are based on
assumptions made by and information available to Research In Motion
Limited. Investors are cautioned that such forward-looking statements
involve risks and uncertainties. Important factors that could cause
actual results to differ materially from those expressed or implied by
such forward looking statements include, without limitation, possible
product defects and product liability, risks related to international
sales and potential foreign currency exchange fluctuations, the
initiation or outcome of litigation, acts or potential acts of
terrorism, international conflicts, significant fluctuations of
quarterly operating results, changes in Canadian and foreign laws and
regulations, continued acceptance of RIM's products, increased levels
of competition, technological changes and the successful development
of new products, dependence on third-party networks to provide
services, dependence on intellectual property rights and other risks
and factors detailed from time to time in RIM's periodic reports filed
with the United States Securities and Exchange Commission, and other
regulatory authorities. The Company has no intention or obligation to
update or revise any forward-looking statements, whether as a result
of new information, future events or otherwise.

The BlackBerry and RIM families of related marks, images and
symbols are the exclusive properties and trademarks of Research In
Motion Limited. RIM, Research In Motion and BlackBerry are registered
with the U.S. Patent and Trademark Office and may be pending or
registered in other countries. RIM assumes no liability and makes no
representation, warranty or guarantee in relation to third party
products or services.