Holding(s) in Company

Thomson Intermedia PLC
21 March 2007


TR-1:               notification of major interests in shares

1. Identity of the issuer or the underlying issuer of                Thomson Intermedia Plc
existing shares to which voting rights are attached
2. Reason for the notification     (please tick the appropriate box or boxes)
An acquisition or disposal of voting rights
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): Final Deadline Re: DTR 5                           X
3. Full name of person(s) subject to the                 Herald Invesment Management Limited
notification obligation:
4. Full name of shareholder(s) (if different
from 3.):
                                                                         n/a


5. Date of the transaction (and date on which
the threshold is crossed or reached if
different):
6. Date on which issuer notified:                                     20/03/2007
7. Threshold(s) that is/are crossed or                                   10%
reached:
8. Notified details:


A: Voting rights attached to shares
Class/type of     Situation previous to   Resulting situation after the triggering transaction(i)
shares            the Triggering
                  transaction
 if possible      Number of   Number of   Number of       Number of voting rights % of voting rights
using the ISIN    Shares      Voting      shares
CODE                          Rights      Direct          Direct      Indirect    Direct    Indirect
GB004126057       3,186,060   3,186,060                               3,186,060             10.18%


B: Financial Instruments
Resulting situation after the triggering transaction
Type of financial    Expiration date Exercise/ Conversion      Number of voting rights    % of voting
instrument                           Period/ Date              that may be acquired if    rights
                                                               the instrument is
                                                               exercised/ converted.
         -
Total (A+B)
Number of voting rights                               % of voting rights
3,186,060                                             10.18%
         9. Chain of controlled undertakings through which the voting rights and/or the financial
         instruments are effectively held, if applicable:


         Herald Investment Management Limited, a discretionary investment manager, is the parent
         undertaking of an investment management business



         Investment Manager                  Held in the name of                               Shares           %

         Herald World Wide Fund              Governor and the Company of the Bank of Ireland   200,000       0.64%

         Herald Investment Trust             Bank of New York (OCS Nominees Limited)         2,986,060       9.54%


         Proxy Voting:
         10. Name of the proxy holder:
         11. Number of voting rights proxy holder will cease
         to hold:
         12. Date on which proxy holder will cease to hold
         voting rights:
         13. Additional information:
         14. Contact name:                   David Trendle
         15. Contact telephone number:       020 8466 5555




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