Mobile Streams Regulatory News (MOS)

Mobile Streams plc

Director Dealings and Lock-in agreement

Mobile Streams plc (AIM: MOS) (the "Company" or "Mobile Streams"), today announces that Simon Buckingham, CEO of Mobile Streams, has notified the Company that on 17 October 2013 he sold 6,000,000 ordinary shares of 0.2 pence each in the Company ("Ordinary Shares") at a price of 55 pence per Ordinary Share to satisfy institutional investor demand. Following this transaction, Simon Buckingham's beneficial interest in the Company is 10,382,500 Ordinary Shares representing 28.34% of the issued share capital of the Company.

Simon Buckingham has now entered into a lock-in agreement with the Company's nominated adviser and broker, N+1 Singer, through which he has undertaken not to dispose of any more Ordinary Shares for a period of 12 months until 16 October 2014. In addition, Mr Buckingham has agreed that, for a period of 12 months after the expiry of the lock-in period, he shall not dispose of any more Ordinary Shares other than through N+1 Singer with a view to maintaining an orderly market in the Company's securities.

Enquires:

Mobile Streams +1 646 812 4749

Simon Buckingham, Chief Executive Officer

Nominated Adviser and Broker

N+1 Singer +44 (0)20 7496 3000

Jonny Franklin-Adams/ Matt Thomas