Holding(s) in Company

Mobile Streams plc
17 February 2006

Mobile Streams plc

17 February 2006



Section 198 Notification



The Company was notified on 15 February by Fidelity Investments on behalf of
Fidelity International Limited and its direct and indirect subsidiaries,
including Fidelity Investment Services Ltd (FISL), Fidelity Gestion (FIGEST),
Fidelity Investments Advisory (Korea) Limited (FIA(K)L), Fidelity Investments
Management (Hong Kong) Limited (FIMHK), Fidelity Pension Management (FPM),
Fidelity Investments Japan (FIJ) and Fidelity Investments International (FII),
pursuant to Section 198 Companies Act 1985 that its interest in the Company is
1,458,439 ordinary shares in the Company, representing 4.52% of the issued share
capital of the Company.



In addition, this notifiable interest also comprises that of Edward C Johnson
3rd, a principal shareholder of FMR Corp. and Fidelity International Limited.



The notifiable interests include interest held on behalf of authorised unit
trust schemes in the UK, notwithstanding the exemption from reporting pursuant
to Section 209 (1) (h) of the Companies Act 1985.



These notifications of disclosable interests constitute separate notifications
of interest in the shares and are combined solely for the purposes of clarity
and efficiency. Nothing herein should be taken to indicate that FMR Corp. and
its direct and indirect subsidiaries, Fidelity International Limited and its
direct and indirect subsidiaries or Mr Edward C Johnson 3rd act as a group or in
concert in respect of the disclosed interests, or that they are required to
submit these notifications on a joint basis.



The disclosable interests arise under section 208 (4) (b) of the Act, namely
where a person, not being the registered holder, is entitled to exercise a right
conferred by the holding of the shares or to control the exercise of such
rights, or under section 203 of the Act respectively.



The holding is registered as follows:



Nominee / Registered Name             Management Company   Shares Held

Brown Bros Harrimn Ltd Lux             FIL                  1,458,439


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