Mobile Streams Regulatory News (MOS)

 Mobile Streams plc

("The Company" or "Mobile Streams")

Mobile Streams Passes 150,000 Subscriber Landmark in Argentina

London - (AIM: MOS) - 9 April 2010 - Mobile Streams announces today that its mobile internet subscription services in Argentina have passed the 150,000 live subscriber landmark. The mobile internet subscriber base has more than tripled since mid-2009 with mobile internet services now accounting for more than half of the Company's business in Argentina.

The Company's popular subscription services allow consumers to access a variety of mobile information and content channels such as music, jokes, news, weather, sports, horoscopes and lotteries. These services are available through the mobile internet portal www.argentina.ringtones.com and via the popular "2323" short code.

"Our rapid subscriber growth since we launched last year in Argentina is giving us strong momentum to continue to develop interesting and innovative services that meet the needs of mobile consumers across Latin America," said Pedro Rosillo, Senior Vice President of Latin America at Mobile Streams.

Simon Buckingham, CEO of Mobile Streams added: "We have built up a strong presence in Latin America over the last six years and are committed to continuing to grow our mobile internet services throughout the region, whilst building on our longstanding relationships with local network operators and major media corporations."

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Enquires:

Mobile Streams +44 (0)1442 560029

Simon Buckingham, Chief Executive Officer

Ian Brewer, Chief Financial Officer

Victoria Tayler, Public Relations Manager +41 79 4301915

Nominated Adviser

Grant Thornton UK LLP +44 (0)20 7383 5100

Philip Secrett

Broker

Singer Capital Markets Limited +44 (0)20 3205 7500

Jeff Keating

Notes to Editors

About Mobile Streams

Mobile Streams retails and distributes mobile content globally through the mobile internet via its www.Ringtones.com and www.MobileGaming.com superstores; mobile application stores including Apple iTunes and Google Android and mobile operator portals and storefronts.

Mobile Streams operates subsidiaries in North America, Europe, Latin America, Australia and Asia.

For more information, please visit www.mobilestreams.com. Follow Mobile Streams on Facebook (http://www.facebook.com/MobileStreams and Twitter (http://twitter.com/MobileStreams).