Major Interests In Shares

Aviva PLC
23 August 2004

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES



1. Name of company


Aviva plc



2. Name of shareholder having a major interest


Lehman Brothers International (Europe)





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



In respect of holding of the shareholder named in 2 above



The Company has been advised that this forms part of a short-term financial
transaction and follows the announcement made on 17th August 2004 regarding the
increase in this shareholding to 5.4% of Aviva's issued share capital.




4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them




Lehman Brothers International (Europe)



5. Number of shares / amount of stock acquired


Not applicable



6. Percentage of issued class


Not applicable



7. Number of shares / amount of stock disposed


22,841,811





8. Percentage of issued class


1.01%



9. Class of security


Ordinary Shares of 25 pence each



10. Date of transaction


17 August 2004



11. Date company informed


19 August 2004



12. Total holding following this notification


99,318,809



13. Total percentage holding of issued class following this notification


4.39%



14. Any additional information



The Company has been advised that this forms part of a short-term financial
transaction and follows the announcement made on 17th August 2004 regarding the
increase in this shareholding to 5.4% of Aviva's issued share capital.



15. Name of contact and telephone number for queries


Joanne Bujak - 020 7662 2563



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


Joanne Bujak



Date of notification


23 August 2004



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