Holding(s) in Company

British Portfolio Trust PLC
20 March 2007


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

1. Identity of the issuer or the underlying issuer of existing        British Portfolio Trust plc
shares to which voting rights are attached(i):

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 obligation Rensburg Sheppards Investment Management
(ii):                                                                           Limited

4. Full name of shareholder(s) (if different from 3.)(iii):                       N/A

5. Date of the transaction (and date on which the threshold is              16th March 2007
crossed or reached if different)(iv):

6. Date on which issuer notified:                                           20th March 2007

7. Threshold(s) that is/are crossed or reached:                                   4%

8. Notified details:                                             Nominee Holdings




A: Voting rights attached to shares

Class/type of      Situation previous to   Resulting situation after the triggering transaction(vi)
shares             the Triggering
                   transaction (v)
 if possible using Number of   Number of   Number of  Number of voting rights % of voting rights
the ISIN CODE      Shares      Voting      shares     ix
                               Rights viii Direct     Direct  x  Indirect xi  Direct       Indirect

Ordinary Shares     1,980,769  1,980,769                            1,964,469              4.97%
GB0030961691


B: Financial Instruments

Resulting situation after the triggering transaction xii
Type of financial    Expiration date Exercise/ Conversion      Number of voting rights    % of voting
instrument           xiii            Period/ Date xiv          that may be acquired if    rights
                                                               the instrument is
                                                               exercised/ converted.



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

     1,964,469                                          4.97%






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

Client holdings registered in the name of Nominee companies 100% owned by Rensburg Sheppards Investment Management
Limited.


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:                                 Peter Ingram

15. Contact telephone number:                     020 7065 1467


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