Holding(s) in Company

RNS Number:1137J
Telent PLC
04 December 2007


TR-1:  notification of major interests in shares

1. Identity of the issuer or the underlying issuer of existing                   Telent plc
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                                                        X
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            Lehman Brothers International (Europe)
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                  29/11/07
crossed or reached if different):
6. Date on which issuer notified:                                               3/12/07
7. Threshold(s) that is/are crossed or reached:                                    3%
8. Notified details:                                                              N/A






A: Voting rights attached to shares
Class/type of       Situation previous to the     Resulting situation after the triggering transaction
shares              Triggering transaction
                    Number of      Number of      Number of      Number of voting rights      % of voting rights
 if possible using  Shares         Voting Rights  shares
the ISIN CODE                                     Direct         Direct         Indirect      Direct        Indirect


   GB00B0S5CP58       4,849,158      4,849,158       Below 3%       Below 3%         N/A        Below 3%        N/A




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.


      N/A


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


             Below 3%                                             Below 3%




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


N/A




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:                                                      Tara O'Hagan
15. Contact telephone number:                                      [phone]




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END

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