Holding(s) in Company

RNS Number:6825O
Mediasurface PLC
25 February 2008



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: ( )


An event changing the breakdown of voting rights: ( )


Other (please specify) : ( )


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

BlackRock Pensions Limited - DC Alpha Small Companies Fund

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):

20th February 2008


6. Date on which issuer notified:

22nd February 2008


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

Gone above 3%


8. Notified details:


A: Voting rights attached to shares

Class/type of shares if possible using    Situation previous to the Triggering
the ISIN CODE                                       transaction (vi)
                                        Number of      Number of voting Rights
                                        shares         (viii)

GB00B01XYM75                            N/A            N/A





Resulting situation after the triggering transaction (vii)

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

                             Direct       Direct (x)   Indirect Direct  Indirect
                                                       (xi)

GB00B01XYM75                  3,814,519    3,814,519   N/A       3.82%  N/A


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

                                 3,814,519                                3.82%


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



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 262000




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