SOURCE: Smith & Nephew PLC

December 21, 2006 11:32 ET

Smith & Nephew PLC announces Director/PDMR Shareholding

London, UK -- (MARKET WIRE) -- December 21, 2006 --

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

This form is intended for use by an issuer to make a RIS notification required by DR 3.1.4R(1).

(1)  An issuer making a notification in respect of a transaction relating 
     to the shares or debentures of the issuer should complete boxes 1 to 
     16, 23 and 24.
(2)  An issuer making a notification in respect of a derivative relating 
     the shares of the issuer should complete boxes 1 to 4, 6, 8,13, 14, 
     16, 23 and 24.
(3)  An issuer making a notification in respect of options granted to a 
     director/person discharging managerial responsibilities should 
     complete boxes 1 to 3 and 17 to 24.
(4)  An issuer making a notification in respect of a financial instrument 
     relating to the shares of the issuer (other than a debenture) should 
     complete boxes 1 to 4, 6, 8, 9, 11, 13, 14, 16, 23 and 24.
Please complete all relevant boxes should in block capital letters.

1. Name of the issuer

Smith & Nephew plc

2. State whether the notification relates to (i) a transaction notified in accordance with DR 3.1.4R(1)(a); or

(ii) DR 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)

(ii) DR 3.1.4®(1)(b) a disclosure made in accordance with section 324 (as extended by section 328) of the Companies Act 1985

3. Name of person discharging managerial responsibilities/director

Mr Warren Knowlton

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

N/A...... ..............................

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 non-beneficial interest

In respect of a holding of Mr Warren Knowlton

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

Ordinary shares of US 20 cents

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

BNY Nominees Limited

8 State the nature of the transaction

Purchase of American Depositary Receipts ('ADRs')

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

3,000 ADRs representing 15,000 ordinary shares of US 20 cents each

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

Less than 0.01%

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

....................................

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

....................................

13. Price per share or value of transaction

US$51.03 per ADR

14. Date and place of transaction

20 December 2006

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

54,001 ordinary shares of US 20 cents each

16. Date issuer informed of transaction

20 December 2006

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

One ADR represents five ordinary shares of US 20 cents each

24. Name of contact and telephone number for queries

Phil Higgins -Assistant Company Secretary - 020 7960 2228

Name and signature of duly authorised officer of issuer responsible for making notification

Phil Higgins - Assistant Company Secretary

Date of notification

21 December 2006

END

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