Appointment to the Board

Mobile Streams plc
17 February 2006


17 February 2006



Mobile Streams announces appointment of Mark Carleton as non-executive director


Mobile Streams plc ('Mobile Streams' or 'the Company'), the global mobile media
specialist, is pleased to announce the appointment of Mark Carleton as
non-executive Board director with immediate effect.


Mark Carleton is currently Senior Vice-President of US cable and media
investment group Liberty Media Corporation ('Liberty') and chairman of Liberty's
wireless location subsidiary TruePosition, Inc.


Mark's appointment follows Mobile Streams' recent strategic alliance with
Liberty Media and TruePosition, through which Liberty acquired a 22% stake in
Mobile Streams. In addition, Mobile Streams signed a multi-million dollar
agreement to manage and operate ConnectID, the US mobile tracking business
controlled by TruePosition.


Mark Carleton, Chairman of TruePosition and senior executive of Liberty, said:
'After extensive research into the mobile content market and due diligence on
Mobile Streams, we decided to invest in the company. We were very impressed with
the expertise and track record of its management in the mobile market and
particularly with the company's unique Musia technology platform.'


Mark Carleton said: 'Joining the Board of Mobile Streams further strengthens our
alliance as we develop new businesses and innovative services in the mobile
services space.'


Commenting on the appointment, Simon Buckingham, CEO of Mobile Streams, said:
'We are delighted Mark has joined our Board. His appointment enhances our media
expertise even further and we look forward to working with him and Liberty to
develop premium media content.'


                                               Ends


Enquiries


Mobile Streams
Simon Buckingham, Chief Executive
Jitesh Sodha, Chief Financial Officer                     [phone]


Liberty Media and TruePosition
John Orr                                                  [phone]


Brunswick Group LLP
Tim Burt / Laura Cummings                                 [phone]



Notes to Editors


Mark Carleton

Mr. Carleton has been a Senior Vice President at Liberty Media Corporation since
December 2003. His primary responsibilities include corporate development and
oversight of Liberty's Technology and Venture Investment Group of subsidiaries
and investments. Prior to joining Liberty Media Corporation, Mark was a partner
at KPMG LLP, where he had overall responsibility for communications and media
enterprises. Mr. Carleton was also a member of KPMG LLP's Board of Directors.
Mr. Carleton's current directorships include WildBlue Communications, Inc., True
Position, Net2Phone, Inc., QVC Network, Inc. and Volunteers of America -
Colorado Branch. Mr. Carleton received a BS in Accounting from Colorado State
University, where he is a member of the College of Business Global Leadership
Counsel


About Mobile Streams

Mobile Streams is a leading provider of music, comedy, sport and entertainment
content to handsets and other wireless devices, whose mobile expertise and
distribution platform is used globally by some of the world's largest media
groups and mobile phone networks including Vodafone, and 3 in the UK, America
Movil, Movistar & TIM in Latin America, Fido & Rogers in Canada and Dobson in
the US.

The Company creates, licences and delivers quality content to Mobile Network
Operators (MNOs) and consumers in the form of ringtones, graphics, video clips
and other products. It has developed relationships with both content owners and
MNOs which enable it to act as an intermediary, providing an end-to-end service
encompassing a broad range of elements from content licensing to content
production, account management and channel management.


Mobile Streams began trading on the Alternative Investment Market ('AIM') in
London on 15th February 2006 following a successful IPO and £6 million
fundraising. The Directors believe that Admission and the proceeds from the
Placing will provide the Company with the financial flexibility necessary for it
to capitalise on the opportunities available in its markets and enhance the
Company's credibility amongst its customers and partners.


On 9th January 2006, Mobile Streams entered into a strategic alliance with
Liberty Media Corporation, which, through its subsidiary TruePosition Inc,
invested £5.4m in return for approximately 22 per cent. of the Existing Ordinary
Shares in the Company. The Directors believe that the Company's access to
Liberty Media's brands, content and industry relationships will deliver
significant commercial benefits and allow Mobile Streams to position itself for
the next stage of the evolution of mobile content.


Mobile Streams has subsidiaries in the US, Argentina, Brazil, Mexico, Chile and
Colombia and has approximately 60 employees.


For more information please go to www.mobilestreams.com



About Liberty Media Corporation

Liberty Media Corporation (NYSE:L, LMC.B) owns a broad range of electronic
retailing, media, communications and entertainment businesses and investments.
Its businesses include some of the world's most recognized and respected brands
and companies, including QVC, Encore, Starz, IAC/InterActiveCorp, Expedia and
News Corporation.


About TruePosition

TruePosition is the world's largest company solely dedicated to the development
and implementation of wireless location products, services and devices,
providing complete solutions to support the wireless location needs of the
global marketplace.


TruePosition's heritage lies in the development of advanced location systems,
which includes handset, network and hybrid location solutions. In addition to
providing industry leading core location technologies, TruePosition supports all
levels of the wireless location value chain through its TrueNorthTM MLS (Managed
Location Services) offering. TrueNorth MLS provides the broadest base of
wireless location technology, services, applications, support and expertise
currently available on the market. It dramatically simplifies the value chain,
and offers a full range of flexible business models to effectively mitigate
operator risk and drive revenue and service activation.


TruePosition is a subsidiary of Liberty Media Corporation (NYSE: L, LMC.B).


For more information, visit www.trueposition.com



Other Board Personnel


Simon Buckingham, CEO

Prior to founding Mobile Streams in January 1999, Simon worked for Vodafone UK
from 1991 in the area of value added services. His responsibilities included
setting up and managing the Vodafone Business Partners Programme. Simon has over
14 years experience in the mobile messaging and content arena and holds a first
class BCom Commerce with German degree from Birmingham University


Jitesh Sodha, CFO

Jitesh joined Mobile Streams as CFO in April 2005. He was the founding CFO of
T-Motion Plc, a JV between T-Mobile and T-Online, and following the acquisition
of T-Motion by T-Mobile in 2002, Jitesh worked in a number of management roles
within T-Mobile. He also held management positions at Dell Computers and Cargill
Inc. Jitesh has a degree in Philosophy, Politics and Economics from New College,
Oxford and is an Associate of the Chartered Institute of Management Accountants.


b) Non-executive Directors


Roger Parry - Non-Executive Chairman

Roger is Chairman of Clear Channel International Ltd. He is also Chairman of
Johnston Press plc and non-executive Chairman of Future plc. Previously he was
Chief Executive of More Group plc and has been a director of Aegis Group plc,
iTouch plc, Jazz FM plc, London Radio plc and WCRS plc. He spent three years
with McKinsey, the international consulting firm, and prior to that was a TV and
radio journalist with the BBC. He has an MLitt from Jesus College, Oxford and a
BSc from Bristol University.


Ivan Donn - Non-executive Director

Appointed to the Board in 2000, Ivan has extensive experience in the mobile
communications industry, having spent more than 19 years working for Vodafone
Group,

during which he fulfilled various management and directorship roles across
Corporate Sales, Business Development, Channel Management, Device Strategy,
Product Management and Commercial Partnerships. Since 2004, Ivan has operated as
an independent consultant, principally for Research In Motion.


Phil Murphy - Non-executive Director

Phil joined the Mobile Streams Board as a non-executive director in 2004.
Previously he held a variety of senior positions within global companies
including: vice president, Warner Music Asia Pacific; senior vice president,
Sony Music Europe and senior vice-president Real Networks (worldwide excluding
the US).


Peter Tomlinson - Non-executive Director

Appointed to the Board in 2000, Peter has over 20 years experience in the mobile
phone arena, principally with Nokia where he was responsible for setting up the
joint venture operations in China and managing the Asia Pacific Distribution
process for Nokia Asia Pacific's management board. Peter has also held senior
positions with Brightpoint and Motorola Asia Pacific, and is currently employed
by GN Netcom, part of the GN Great Nordic group of companies.



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