SThree plc 14 February 2007 TR-1: notification of major interests in shares 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: SThree plc 2. Reason for the notification (please tick the appropriate box or boxes): n/a see additional information An acquisition or disposal of voting rights An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached An event changing the breakdown of voting rights 3. Full name of person(s) subject to the notification obligation: Legal & General Group Plc (L&G) 4. Full name of shareholder(s) (if different from 3.): n/a 5. Date of the transaction and date on which the threshold is crossed or reached: n/a 6. Date on which issuer notified: 13/02/07 7. Threshold(s) that is/are crossed or reached: Above 3% (L&G) 8. Notified details: A: Voting rights attached to shares Class/type Situation previous Resulting situation after the of shares to the Triggering triggering transaction transaction if possible using the ISIN CODE Number Number of Number of Number of voting % of voting of Voting shares rights rights Shares Rights Direct Direct Indirect Direct Indirect GBP Ord 0.01 4,858,690 3.52% 4,590,292 4,590,292 3.32% (Under S-198 on 28/03/06) B: Financial Instruments Resulting situation after the triggering transaction Type of Expiration Exercise/ Number of voting rights that % of financial date Conversion may be acquired if the voting instrument Period/ Date instrument is exercised/ rights converted. Total (A+B) Number of voting rights % of voting rights 4,590,292 3.32% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: Legal & General Group Plc (Direct and Indirect) (Group) Legal & General Investment Management (Holdings) Limited (LGIMH) (Direct and Indirect) Legal & General Investment Management Limited (Indirect)(LGIM) Legal & General Group Plc (Direct) (L&G) (4,590,292 - 3.32% = LGAS, LGPL & PMC) Legal & General Investment Management Legal & General Insurance Holdings Limited (Holdings) Limited (Direct) (LGIMHD) (Direct) (LGIH) Legal & General Assurance Legal & General Assurance Society Limited (Pensions Management)Limited (PMC) (LGAS & LGPL) Legal & General Pensions Limited (Direct) (LGPL) Proxy Voting: 10. Name of the proxy holder: N/A 11. Number of voting rights proxy holder will cease to hold: N/A 12. Date on which proxy holder will cease to hold voting rights: N/A 13. Additional information: Using the total voting rights figure of 137,993,170 First notification under DTR Sourcebook Enquiries: Steve Hornbuckle, Company Secretary SThree plc 020 7292 3838 This information is provided by RNS The company news service from the London Stock Exchange