Director/PDMR Shareholding

Smiths Group PLC
24 May 2007

24 MAY 2007
SMITHS GROUP PLC


DTR 3.1.4R(1)

NOTIFICATION OF TRANSACTION OF DIRECTORS, PERSONS DISCHARGING MANAGERIAL
REPSONSIBILITY 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 324 (as extended by section 328) of the 
     Companies Act 1985; or (iii) both (i) and (ii):  (iii)

3.   Name of person discharging managerial responsibilities/director:

     MR DAVID PETER LILLYCROP

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

     MRS K L LILLYCROP

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 HOLDINGS OF THE PERSONS NAMED IN 3 AND 4 ABOVE

6.   Description of shares (including class), debentures or derivatives or
     financial instruments relating to shares: ORDINARY SHARES OF 25p

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

     PERSONS NAMED IN 3 AND 4 ABOVE

8    State the nature of the transaction:

     TRANSFER OF 53,700 SHARES  FROM MRS K L LILLYCROP TO MR D P LILLYCROP

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:  N/A

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

13.  Price per share or value of transaction:  N/A

14.  Date and place of transaction:

     23 MAY 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):

     120,935 SHARES - 0.02% (UNCHANGED)

16.  Date issuer informed of transaction  23 MAY 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  24 MAY 2007


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