Director/PDMR Shareholding

Smiths Group PLC
02 August 2007

2 AUGUST 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)

       DISCLOSURE RELATING TO A DIRECTOR

3.    Name of person discharging managerial responsibilities/director:

MR JOHN LANGSTON

4.    State whether notification relates to a person connected with a person
discharging managerial responsibilities/director named in 3 and identify the
connected person:  NO

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 AN OPTION EXERCISED BY THE PERSON NAMED IN 3 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 shareholder(s) and, if more than one, the number of
shares held by each of them:  PERSON NAMED IN 3 ABOVE

8     State the nature of the transaction:

EXERCISE OF AN SAYE SHARE OPTION UNDER THE SMITHS GROUP SHARESAVE SCHEME

9.    Number of shares, debentures or financial instruments relating to shares
acquired: 1,795

10.   Percentage of issued class acquired (treasury shares of that class should
not be taken into account when calculating percentage): <0.001

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:  525p PER SHARE

14.   Date and place of transaction: 1 AUGUST 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): 114,619  0.03%

16.   Date issuer informed of transaction  1 AUGUST 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: DAVID PENN - 020 8457
8427

Name of duly authorised officer of issuer responsible for making notification:
DAVID PENN

Date of notification  2 AUGUST 2007



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)

       DISCLOSURE RELATING TO A DIRECTOR

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:  NO

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 AN OPTION EXERCISED TO THE PERSON NAMED IN 3 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 shareholder(s) and, if more than one, the number of
shares held by each of them:  PERSON NAMED IN 3 ABOVE

8     State the nature of the transaction:

       EXERCISE OF AN SAYE SHARE OPTION UNDER THE SMITHS GROUP SHARESAVE SCHEME

9.    Number of shares, debentures or financial instruments relating to shares
acquired: 1,539

10.   Percentage of issued class acquired (treasury shares of that class should
not be taken into account when calculating percentage): <0.001

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:  612p PER SHARE

14.   Date and place of transaction: 1 AUGUST 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): 82,162   0.02%

16.   Date issuer informed of transaction  1 AUGUST 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: DAVID PENN - 020 8457
8427

Name of duly authorised officer of issuer responsible for making notification:
DAVID PENN

Date of notification  2 AUGUST 2007




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