Amvescap PLC


                                            SCHEDULE 10

                             NOTIFICATION OF MAJOR INTERESTS IN SHARES


      1)Name of company                          AMVESCAP PLC

      2)Name of shareholder having a major interest

        WELLINGTON MANAGEMENT COMPANY LLP.

     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.

        NOTIFICATION IS IN RESPECT OF THE SHAREHOLDER NAMED IN 2 ABOVE.

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

                             NOT STATED

      5)Number of shares/amount of stock acquired       NOT STATED

      6)Percentage of issued class                                                               -

      7)Number of shares/amount of stock disposed                                                -

      8)Percentage of issued class                                                               -

      9)Class of security                               25P ORDINARY SHARES

     10)Date of transaction                             NOT STATED

     11)Date company informed                           9 JANUARY 2004

     12)   Total holding following this notification       24,130,736 ORDINARY SHARES PLUS
                                                        578,600 ADRS
                                                     (1 ADR = 2 SHARES)

    13)    Total percentage holding of issued class
      following this notification                                                         3.157%

     14)Any additional information                                                               -

        Wellington Management Company, LLP ("Wellington Management") is registered as an investment
         adviser with the United States Securities and Exchange Commission and acts as
         discretionary investment manager on behalf of various separate (the "Accounts") that hold
         an interest in shares of the Company.  Wellington Management's interest in the shares is
         as an investment manager, as is mentioned in Section 205(5) of the Companies Act 1985 (the
         "Act").  The Accounts do not act as a group nor do they act in concert with respect to the
         interests in shares.  Wellington Management acquired the interests in shares for the
         Accounts in its capacity as discretionary investment manager to, and solely for the
         benefit of, the Accounts, and the interests were acquired solely for investment purposes.

     15)Name of contact and telephone number for queries

             ANGELA TULLY
             TEL: 020 7065 3652

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

             A. TULLY
             AMVESCAP PLC
             ASSISTANT COMPANY SECRETARY

        Date of Notification       9 JANUARY 2004