Additional Listing

SThree plc
06 March 2007

                                 Block Listing

Application has been made to the Financial Services Authority and the London
Stock Exchange Plc for a total of 2,000,000 Ordinary shares of 1p each
('shares') to be admitted to the Official List.

It is expected that admission will be granted on 7 March 2007 and that trading
will commence from 8 March 2007.

These shares are being reserved under a block listing and will be issued as a
result of the vesting of share awards pursuant to the following scheme:

Schemes                                       Shares
SThree plc LTIP                               2,000,000

When issued, these shares will rank pari passu with the existing Ordinary
shares.

Steve Hornbuckle
Company Secretary
020 7292 3876



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