Rule 8.3- Shell T&T Co PLC

Aviva PLC
25 April 2005

                                                                        FORM 8.3

   DEALINGS BY PERSONS WHO OWN OR CONTROL 1% OR MORE OF ANY CLASS OF RELEVANT
                                    SECURITY

              (Rule 8.3 of The City Code on Takeovers and Mergers)


Name of purchaser/vendor *                   AVIVA PLC
                                            
Company dealt in                             SHELL TRANSPORT & TRADING CO PLC

Relevant security dealt in                   ORD GBP0.25 (REGD)

If a connected EFM, name of offeree/
offeror with which connected                 N/A

If a connected EFM, nature of connection #   N/A

Date of dealing                              22 APRIL 2005

DEALINGS +


Amount bought                          Price per unit (currency must be stated)

11,938                                 GBP4.712500

98,062                                 GBP4.720000







Amount sold                            Price per unit (currency must be stated)

 0                                     0




Resultant total amount and percentage    272,994,021 (2.843%)
of the same relevant security owned or
controlled



IS A SUPPLEMENTAL FORM 8 (DERIVATIVE)/FORM 8 (OPTION) ATTACHED? NO


Date of disclosure                     25 APRIL 2005

Contact name                           NEIL WHITTAKER

Telephone number                       01603 684420


    *     Specify the owner or controller in addition to the person dealing. The
    naming of nominees or vehicle companies is insufficient. In the case of
    disclosure of dealings by fund managers on behalf of discretionary clients,
    the clients need not be named.

    #     See the definition of 'connected fund managers and principal traders'
    in the Definitions Section of the Code.

    +     If disclosing dealings/holdings in derivatives or options, please
    attach Supplemental Form 8 (Derivative) or Supplemental Form 8 (Option), as
    appropriate.

For details of the Code's dealing disclosure requirements, see Rule 8 and its
Notes which can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk.






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