Holding(s) in Company

Smiths Group PLC
31 October 2005

31 OCTOBER 2005

NOTIFICATION OF MAJOR INTERESTS IN SHARES

LISTING RULE LR 9.6.7 R

1.      Name of listed company: SMITHS GROUP PLC

2.      Name of shareholder with a major interest:  AVIVA PLC AND ITS
        SUBSIDIARIES

3.      Please state whether notification indicates that it is regarding the
        holding of the shareholder named in 2 above; 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

        AVIVA PLC AND ITS SUBSIDIARIES

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


        MORLEY FUND MANAGEMENT LIMITED:
        BNY NORWICH UNION NOMINEES LIMITED                     3,206,457*
        CHASE GA GROUP NOMINEES LIMITED                       10,736,306*
        CUIM NOMINEES LIMITED                                  2,787,714*
        BT GLOBENET NOMINEES LIMITED                              11,257*
        CHASE NOMINEES LIMITED                                   457,332*
                                    * DENOTES BENEFICIAL INTEREST


5.      Number of shares / amount of stock acquired: 301,115 SHARES

6.      Percentage of issued class: 0.05%

7.      Number of shares / amount of stock disposed: NOT DISCLOSED

8.      Percentage of issued class: N/A

9.      Class of security: ORDINARY SHARES OF 25p

10.     Date of transaction: 26 OCTOBER 2005

11.     Date listed company informed: 28 OCTOBER 2005

12.     Total holding following this notification:  17,199,066 SHARES

13.     Total percentage holding of issued class following this notification:

        3.05%

14.     Any additional information

15.     Name of contact and telephone number for queries: NEIL BURDETT, 020 8457
        8229

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

17.     Date of notification: 31 OCTOBER 2005


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