CEOs of Cisco, Ericsson and Telefonica to Keynote at GSMA Mobile World Congress 2011

GSMA Announces Five New ADCs as Part of App Planet at Mobile World Congress

LONDON, December 20, 2010 - The GSMA today announced that the CEOs of Cisco, Ericsson and Telefonica
are scheduled to deliver keynote presentations at the 2011 GSMA Mobile World
Congress, which will be held 14-17 February, 2011 in Barcelona. The GSMA also
announced five new application developer conferences (ADCs) as part of its
App Planet event at Mobile World Congress.

"The 2011 Mobile World Congress will showcase the breadth of companies
who are placing mobile at the heart of their business strategies," said
Michael O'Hara, chief marketing officer, GSMA. "From our thought-leading
conference programme to the exhibition showcasing the latest technologies,
Mobile World Congress will offer attendees a view into the future of mobile
and how mobile is transforming the way the world lives and works."

    Recently confirmed Mobile World Congress keynote speakers are:
    -- John Chambers, Chairman and CEO, Cisco Systems
    -- Hans Vestberg, President and CEO, Ericsson
    -- Cesar Alierta, Executive Chairman and CEO, Telefonica

    Previously announced speakers include:
    -- Daniel Hajj, CEO, America Movil and Telcel
    -- Randall Stephenson, Chairman, CEO and President, AT&T
    -- Eric Schmidt, Chairman and CEO, Google
    -- Peter Chou, CEO, HTC
    -- Paul Otellini, President and CEO, Intel
    -- Steve Ballmer, CEO, Microsoft
    -- Stephen Elop, President and CEO, Nokia
    -- Ryuji Yamada, President and CEO, NTT DoCoMo
    -- Paul Jacobs, Chairman and CEO, Qualcomm
    -- Jim Balsillie, Co-CEO, Research In Motion
    -- Masayoshi Son, Chairman and CEO, SoftBank
    -- Jack Dorsey, CEO, Square
    -- Dick Costolo, CEO, Twitter
    -- Vittorio Colao, Chief Executive, Vodafone
    -- Sir Martin Sorrell, Chief Executive, WPP
    -- Carol Bartz, CEO, Yahoo!

Keynote sessions at Mobile World Congress focus on the following topics:
"The View from the Top", "The Power of Applications", "The Evolution of the
Mobile Internet", and "Connecting the Dots: A 360 Degree View on Consumer
Electronics".

In addition to the keynote programme, the Mobile World Congress
conference will feature the Mobile Ad Forum, which addresses the unique
requirements of brand and services marketers, advertising agencies, mobile
operators and others in the mobile advertising value chain, as well as the
App Planet Forum, which explores opportunities and issues in the mobile
applications space. The conference programme also includes dedicated
conference tracks focusing on areas such as Embedded Mobile, mHealth, Mobile
Money, Next-Generation Network Technologies and OSS/BSS, as well as
additional sessions covering a range of topics such as augmented reality,
business strategy, cloud computing, enterprise mobility, media and
entertainment, the mobile Internet and network capacity, among others.

New ADCs at App Planet Forum

The GSMA today announced that Microsoft, Nokia, the Wholesale
Applications Community (WAC) and Wireless Industry Partnership (WIP) will be
holding ADCs as part of App Planet. App Planet will also include an LTE
forum, with a variety of partner-led sessions.

The current schedule at App Planet is:

    Monday, 14 February - WAC App Developer Conference
    Monday, 14 February - Nokia App Developer Conference
    Tuesday, 15 February - BlackBerry Developer Day by RIM
    Tuesday, 15 February - Samsung App Developer Conference
    Tuesday, 15 February - HP webOS App Developer Conference
    Wednesday, 16 February - Mobile {Dev}Sync
    Wednesday, 16 February - Windows Phone App Developer Conference
    Wednesday, 16 February - LTE forum
    Thursday, 17 February - Macworld Mobile
    Thursday, 17 February - WIPJam
    Thursday, 17 February - Mobile Cloud Forum with Cisco, HP, Huawei and NEC
    Thursday, 17 February - IMGA ADC and Awards Programme

The App Planet Sponsor for Mobile World Congress is ACC1O, the agency set
up by the Catalan government to make Catalan enterprises more competitive
throughout the world. For more information on App Planet at Mobile World
Congress, please visit www.mobileworldcongress.com/app_planet.

About the GSMA

The GSMA represents the interests of the worldwide mobile communications
industry. Spanning 219 countries, the GSMA unites nearly 800 of the world's
mobile operators, as well as more than 200 companies in the broader mobile
ecosystem, including handset makers, software companies, equipment providers,
Internet companies, and media and entertainment organisations. The GSMA is
focused on innovating, incubating and creating new opportunities for its
membership, all with the end goal of driving the growth of the mobile
communications industry.

For more information, please visit Mobile World Live, the new online
portal for the mobile communications industry, at
www.mobileworldlive.com or the GSMA corporate website at
www.gsmworld.com.

Daniel Lowther, +44-7747-636-687, press at gsm.org