Holding(s) in Company

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
SThree 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)
Both
3. Name of person discharging managerial responsibilities/director
Russell Clements, Sunil Wickremeratne, Alex Smith & Gary Elden
4. State whether notification relates to a person connected with a
person discharging managerial responsibilities/director named in 3
and identify the connected person
See 3 above
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
See 3 above
6. Description of shares (including class), debentures or derivatives
or financial instruments relating to shares
Ordinary shares of 1p
7. Name of registered shareholders(s) and, if more than one, the
number of shares held by each of them
TD Waterhouse Nominees (Europe) Limited Cesnoms Acct
8. State the nature of the transaction
Purchase of Partnership and Matching shares under the Share Incentive
Plan ("SIP")
9. Number of shares, debentures or financial instruments relating to
shares acquired

+-------------------------------------------------------------------+
| Director            | Number of shares | Percentage of share      |
|                     |                  | capital                  |
|---------------------+------------------+--------------------------|
| Russell Clements    | 96               | Below 1%                 |
|---------------------+------------------+--------------------------|
| Alex Smith          | 96               | Below 1%                 |
|---------------------+------------------+--------------------------|
| Sunil Wickremeratne | 96               | Below 1%                 |
|---------------------+------------------+--------------------------|
| Gary Elden          | 96               | Below 1%                 |
+-------------------------------------------------------------------+


10. Percentage of issued class acquired (treasury shares of that
class should not be taken into account when calculating percentage)
See 9 above
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
260.0000 pence per share
14. Date and place of transaction
14th December 2009, London
15. Total holding following notification and total percentage holding
following notification (any treasury shares should not be taken into
account when calculating percentage)

+-------------------------------------------------------------------+
| Director            | Number of shares | Percentage of share      |
|                     |                  | capital                  |
|---------------------+------------------+--------------------------|
| Russell Clements    | 4,738,649        |   3.89 %                 |
|---------------------+------------------+--------------------------|
| Alex Smith          | 498              |   Below 1%               |
|---------------------+------------------+--------------------------|
| Sunil Wickremeratne | 10,671,473       |   8.76 %                 |
|---------------------+------------------+--------------------------|
| Gary Elden          | 3,385,118        |   2.78 %                 |
+-------------------------------------------------------------------+


16. Date issuer informed of transaction
15th December 2009
If a person discharging managerial responsibilities has been granted
options by the issuer complete the following boxes

17. Date of grant
N/A
18. Period during which or date on which it can be exercised
N/A
19. Total amount paid (if any) for grant of the option
N/A
20. Description of shares or debentures involved (class and number)
N/A
21. Exercise price (if fixed at time of grant) or indication that
price is to be fixed at the time of exercise
N/A
22. Total number of shares or debentures over which options held
following notification
N/A
23. Any additional information
Purchase of shares under the Share Incentive Plan ("SIP"). The
matching shares purchased are forfeitable if not held for longer than
12 months

24. Name of contact and telephone number for queries
Sian Hoskins, 0207 292 3835
25. Name and signature of duly authorised officer of issuer
responsible for making notification
Sarah Anderson, Deputy Company Secretary, SThree plc
26. Date of notification
15th December 2009
                                                                                                                                                  nouncement.