Holding(s) in Company

Henderson Strata Investments PLC
19 December 2005

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Name of company
HENDERSON STRATA INVESTMENTS PLC



2. Name of shareholder having a major interest
 M & G INVESTMENT MANAGEMENT LIMITED



3. Please state whether notification indicates that it is in respect of holding
of the shareholder named in 2 above or in respect of a non-beneficial interest
or in the case of an individual holder if it is a holding of that person's
spouse or children under the age of 18
PRUDENTIAL PLC AND CERTAIN OF ITS SUBSIDIARY COMPANIES



4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them
PRUCLT HSBC GIS NOM (UK) PAC AC                                        600,000



5. Number of shares / amount of stock acquired
600,000 shares



6. Percentage of issued class
5.36%



7. Number of shares / amount of stock disposed
-



8. Percentage of issued class
-



9. Class of security
 ORDINARY SHARES OF 25P EACH



10. Date of transaction
 NOT SPECIFIED



 11. Date company informed
 16 DECEMBER  2005



12. Total holding following this notification
 600,000



13. Total percentage holding of issued class following this notification
 5.36%



14. Any additional information
 -



15. Name of contact and telephone number for queries
 G S RICE 020 7818 4469



16. Name and signature of authorised company official responsible for making
this notification
 G S RICE

FOR AND ON BEHALF OF HENDERSON SECRETARIAL SERVICES LIMITED

SECRETARY TO HENDERSON STRATA INVESTMENTS PLC



Date of notification
 19 DECEMBER 2005



The FSA does not give any express or implied warranty as to the accuracy of this
document or material and does not accept any liability for error or omission.
The FSA is not liable for any damages (including, without limitation, damages
for loss of business or loss of profits) arising in contract, tort or otherwise
from the use of or inability to use this document, or any material contained in
it, or from any action or decision taken as a result of using this document or
any such material.


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