SThree plc
04 April 2007


                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Name of company

SThree plc

2. Name of shareholders having a major interest

William Bottriell and Simon Arber

3. Please state whether notification indicates that it is in respect of holding
of the shareholder named in 2 above or in respect of a non-beneficial interest
or in the case of an individual holder if it is a holding of that person's
spouse or children under the age of 18

As in 2 above

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

Name                   Global Custody Account           EBT Account

William Bottriell      11,030,518 shares                2,050,498 shares
Simon Arber            7,468,758 shares                 2,363,108 shares

5. Number of shares / amount of stock acquired

N/A

6. Percentage of issued class

N/A

7. Number of shares / amount of stock disposed

Name                   Global Custody Account           EBT Account

William Bottriell      0 shares                         1,675,277 shares
Simon Arber            0 shares                         1,666,622 shares

8. Percentage of issued class

Name                                 Global & EBT % total

William Bottriell                    1.21%
Simon Arber                          1.20%

9. Class of security

Ordinary Shares of 1p

10. Date of transaction

29 March 2007

11. Date company informed

29 March 2007

12. Total holding following this notification

Name                    Global Custody Account            EBT Account

William Bottriell       11,030,518 shares                 375,221 shares
Simon Arber             7,468,758 shares                  696,486 shares

13. Total percentage holding of issued class following this notification

Name                                 Global & EBT % total

William Bottriell                    8.24%
Simon Arber                          5.90%

14. Any additional information

Disposals from EBT Account relate to exercises of personal options granted prior
to IPO. Percentages based on current issued share capital of 138,475,663 shares

15. Name of contact and telephone number for queries

Steve Hornbuckle 020 7292 3838

16. Name and signature of authorised company official responsible for making
this notification

Steve Hornbuckle, Company Secretary, SThree

Date of notification

3 April 2007

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