Holding(s) in Company

    Amvescap PLC


                                       SCHEDULE 10

                        NOTIFICATION OF MAJOR INTERESTS IN SHARES

    1)Name of company                  AMVESCAP PLC

    2)Name of shareholder having a major interest

                       AIC LIMITED

      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
    3)a holding of that person's spouse or children under the age of 18.

      NOTIFICATION IS IN RESPECT OF HOLDINGS OF AIC LIMITED AGGREGATED
      WITH HOLDINGS OF MUTUAL FUNDS MANAGED BY AIC LIMITED.

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

                                                                                       -

    5)Number of shares/amount of stock acquired                                        -

    6)Percentage of issued class                                                       -%

    7)Number of shares/amount of stock disposed          NOT DISCLOSED

    8)Percentage of issued class                                                       -%

    9)Class of security                                  ORDINARY SHARES

   10)Date of transaction                                NOT DISCLOSED

   11)Date company informed                              9 DECEMBER 2003

   12)Total holding following this notification                               19,693,025

      Total percentage holding of issued class following
   13) this notification                                                            2.46%

   14)Any additional information                         See Attachment A

   15)Name of contact and telephone number for queries
           ANGELA TULLY
           TEL: [phone]



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

           A. TULLY
           AMVESCAP PLC
           ASSISTANT COMPANY SECRETARY

      Date of Notification       10 DECEMBER 2003


ATTACHMENT A

AIC Limited ("AIC") is a corporation incorporated under the laws of Ontario,
Canada. AIC's wholly owned subsidiary AIC Investment Services Inc. ("AISI") is
the portfolio manager of certain accounts (including the Funds as defined below)
and AIC is the manager and trustee of certain mutual funds in Ontario
(collectively the "Funds") which are owners of record of the securities of
Amvescap PLC ("Amvescap"). AISI is qualified to act as an investment adviser to
the Funds in Ontario, Canada pursuant to a registration under the Securities Act
Ontario. AIC as trustee of the Funds, shares with the Funds the power to direct
the voting and disposition of the shares of Amvescap held by the Funds. Michael
Lee-Chin holds indirectly through his sole ownership of Portland Holdings Inc.
approximately 91% of the voting equity securities of AIC and consequently he may
be deemed to beneficially own the shares of AMVESCAP held by AIC, by AIC as
Trustee of the Funds and by the Funds, although he disclaims beneficial
ownership of such holding. Mr. Lee-Chin is a citizen and resident of Canada.