Director/PDMR Shareholding

Smiths Group PLC
25 October 2007

25 OCTOBER 2007

SMITHS GROUP PLC



DTR 3.1.4R(1)

NOTIFICATION OF TRANSACTION OF DIRECTORS, PERSONS DISCHARGING MANAGERIAL
RESPONSIBILITY OR CONNECTED PERSONS



1.    Name of the issuer: SMITHS GROUP PLC

2.    State whether the notification relates to (i) a transaction notified in
accordance with DTR 3.1.4R(1)(a); or (ii) DTR 3.1.4(R)(1)(b) a disclosure made
in accordance with section 793 of the Companies Act 2006; or (iii) both (i) and
(ii):  (i)

DISCLOSURE RELATING TO A DIRECTOR

3.    Name of person discharging managerial responsibilities/director:

MR KEITH OLIVER BUTLER-WHEELHOUSE

4.    State whether notification relates to a person connected with a person
discharging managerial responsibilities/director named in 3 and identify the
connected person:  YES

       THE JONES TRUST

5.    Indicate whether the notification is in respect of a holding of the person
referred to in 3 or 4 above or in respect of a nonbeneficial interest:

NOTIFICATION RE THE HOLDING OF THE FAMILY TRUST NAMED IN 4 ABOVE

6.    Description of shares (including class), debentures or derivatives or
financial instruments relating to shares:

       ORDINARY SHARES OF 37.5p

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

       BARTHOLOMEW NOMINEES LIMITED

8     State the nature of the transaction:

MARKET SALE OF SHARES

9.    Number of shares, debentures or financial instruments relating to shares
acquired: N/A

10.   Percentage of issued class acquired (treasury shares of that class should
not be taken into account when calculating percentage): N/A

11.   Number of shares, debentures or financial instruments relating to shares
disposed:

       200,000 SHARES

12.   Percentage of issued class disposed (treasury shares of that class should
not be taken into account when calculating percentage): 0.05%

13.   Price per share or value of transaction:  1125.5p PER SHARE

14.   Date and place of transaction: 23 OCTOBER 2007 LONDON

15.   Total holding following notification and total percentage holding
following notification (any treasury shares should not be taken into account
when calculating percentage):

227,829 SHARES - 0.06%

16.   Date issuer informed of transaction  25 OCTOBER 2007

If a person discharging managerial responsibilities has been granted options by
the issuer complete the following boxes

17.   Date of grant:

18.   Period during which or date on which it can be exercised:

19.   Total amount paid (if any) for grant of the option:

20.   Description of shares or debentures involved (class and number):

21.   Exercise price (if fixed at time of grant) or indication that price is to
be fixed at the time of exercise:

22.   Total number of shares or debentures over which options held following
notification:

23.   Any additional information:

24.   Name of contact and telephone number for queries: NEIL BURDETT - 020 8457
8229

Name of duly authorised officer of issuer responsible for making notification:
NEIL BURDETT

Date of notification  25 OCTOBER 2007



Additional information:  SHARES SOLD BY FAMILY TRUST






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