Holding(s) in Company

RNS Number:9260A
Mediasurface PLC
26 July 2007


TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES


1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached (ii):


Mediasurface plc


2. Reason for the notification (please state Yes/No): ( )


An acquisition or disposal of voting rights: (YES)


An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached: (NO)


An event changing the breakdown of voting rights: (NO)


Other (please specify) : (NO)


3. Full name of person(s) subject to the notification obligation (iii):

BlackRock, Inc.


4. Full name of shareholder(s) (if different from 3.) (iv):

N/A


5. Date of the transaction (and date on which the threshold is crossed or
reached if different) (v):

27 June 2007 (Placing)


6. Date on which issuer notified:

25 July 2007


7. Threshold(s) that is/are crossed or reached:

Gone above 5%


8. Notified details:



A: Voting rights attached to shares

Class/type of shares if         Situation previous to the         % of voting
possible using the ISIN        Triggering transaction (vi)          rights
CODE
                                 Number of           Number of  Direct  Indirect
                                    shares       voting Rights
                                                        (viii)
GB00B01XYM75                           N/A                 N/A     N/A       N/A



Resulting situation after the triggering transaction

Class/type of shares if       Number of       Number of voting    % of voting
possible using the ISIN CODE  shares          rights (ix)         rights

                              Direct Indirect Direct Indirect     Direct Indirect
                              (x)    (xi)

GB00B01XYM75                     N/A      N/A    N/A  5,157,106      N/A   5.33%


B: Financial Instruments

Resulting situation after the triggering transaction (xii)

Type of     Expiration Exercise/       Number of voting rights that may  % of
financial   Date       Conversion      be acquired if the instrument is  voting
instrument  (xiii)     Period/ Date    exercised/ converted.             rights
                       (xiv)



                             N/A


Total (A+B)
Number of voting rights                      % of voting rights

       5,157,106                                5.33%


9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable (xv):


BlackRock Investment Management (UK) Limited - 5,157,106 (5.33%)


Proxy Voting:


10. Name of the proxy holder:

N/A


11. Number of voting rights proxy holder will cease to hold:


N/A


12. Date on which proxy holder will cease to hold voting rights:


N/A


13. Additional information:


N/A


14. Contact name:

Ian Duggan


15. Contact telephone number:

01635 262 000




                      This information is provided by RNS
            The company news service from the London Stock Exchange

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