Holding(s) in Company

Weir Group PLC 19 February 2007 TR-1: notification of major interests in shares 1. Identity of the issuer or Weir Group PLC the underlying issuer of existing shares to which voting rights are attached: ------------------------------------------------------------------------------- 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) Legal & General Group Plc (L&G) subject to the notification obligation: ------------------------------------------------------------------------------- 4. Full name of shareholder(s) Legal & General Assurance (Pensions (if different from 3.): Management) Limited (PMC) ------------------------------------------------------------------------------- 5. Date of the transaction and N/A date on which the threshold is crossed or reached: ------------------------------------------------------------------------------- 6. Date on which issuer 16 February 2007 notified: ------------------------------------------------------------------------------- 7. Threshold(s) that is/are Above 3% (L&G) crossed or reached: ------------------------------------------------------------------------------- 8. Notified details: A: Voting rights attached to shares Class/ Situation previous Resulting situation after the triggering type of to the Triggering transaction shares transaction if possible Number Number of Number of Number of voting % of voting using of Voting shares rights rights the ISIN Shares Rights CODE Direct Direct Indirect Direct Indirect ORD GBP 6,661,576 = 3.26% 7,243,420 7,243,420 3.48 0.125 (Under Section 198 on the 03/09/03) B: Financial Instruments Resulting situation after the triggering transaction Type of Expiration Exercise/ Number of voting rights that may % of financial date Conversion be acquired if the instrument is voting instrument Period/ Date exercised/ converted. rights Total (A+B) Number of voting rights % of voting rights 7,243,420 3.48 ------------------------------------------------------------------------------- 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) (7,243,420 - 3.48% = LGAS, LGPL & PMC) Legal & General Investment Management Legal & General Insurance Holdings (Holdings) Limited (Direct) (LGIMHD) Limited (Direct) (LGIH) (6,256,805 - 3.01% = PMC) Legal & General Assurance (Pensions Legal & General Assurance Society Management) Limited (PMC) Limited (LGAS & LGPL) (6,256,805 - 3.01% = PMC) 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 207,789,799 First notification under DTR Sourcebook 14. Contact name: Helen Lewis 15. Contact telephone number: 020 7528 6742 This information is provided by RNS The company news service from the London Stock Exchange

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Weir Group (WEIR)
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