Holding(s) in Company

Smiths Group PLC
23 June 2006

23 JUNE 2006

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
MORELY FUND MANAGEMENT LIMITED:
BNY Norwich Union Nominees Limited                        3,267,519*
BT Globenet Nominees Limited                                  6,987*
Chase GA Group Nominees Limited                          10,919,031*
Chase Nominees Limited                                      139,393*
CUIM Nominee Limited                                      2,564,490*
Vidacos Nominees Limited                                     43,300*

       *  Denotes Beneficial Interest

5.     Number of shares / amount of stock acquired: N/A

6.     Percentage of issued class*: N/A

7.     Number of shares / amount of stock disposed: 446,167

8.     Percentage of issued class*: <0.08%

9.     Class of security: ORDINARY SHARES OF 25p

10.   Date of transaction: 19 June 2006

11.   Date listed company informed: 22 June 2006

12.   Total holding following this notification:  16,940,720

13.   Total percentage holding of issued class following this notification*:
2.99%

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: 23 June 2006

* any treasury shares held by the listed company should not be taken into
account when calculating percentage




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