Rule 8.3- Exel plc

Aviva PLC
05 September 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 AND ITS SUBSIDIARIES

Company dealt in                        EXEL PLC

Relevant security dealt in              ORD GBP27.777777

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                         02 SEPTEMBER 2005

DEALINGS +


Amount bought                           Price per unit (currency must be stated)

0                                       0

Amount sold                             Price per unit (currency must be stated)

50,000                                  GBP11.780000



Resultant total amount and percentage of the same relevant security owned or
controlled                              5,037,074 (1.721%)

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


Date of disclosure                      05 SEPTEMBER 2005

Contact name                            DIANE THIRKETTLE

Telephone number                        01603 687803

*     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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