Holding(s) in Company

Financial Services Authority TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: Severn Trent Plc 2. Reason for the notification (please tick the appropriate box or boxes): An acquisition or disposal of voting rights Yes An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached. An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments An event changing the breakdown of voting rights Other (please specify): Legal & General Group Plc (Group) 3. Full name of person(s) subject to the Legal & General Investment notification obligation: Management Limited (LGIM) Legal & General Group Plc (L &G) 4. Full name of shareholder(s) Legal & General Assurance (if different from 3.): (Pensions Management) Limited (PMC) 5. Date of the transaction and date on which the threshold is crossed or 06 August 2009 reached: 6. Date on which issuer notified: 07 August 2009 Below 5% (Group) 7. Threshold(s) that is/are crossed or reached: Below 5% (LGIM) From 5% - 4% (L&G) 8. Notified details: A: Voting rights attached to shares Class/type Situation previous Resulting situation after the triggering transaction of to the triggering shares transaction if possible Number Number Number of voting % of voting rights using of of rights the ISIN Shares Voting Number CODE Rights of shares Direct Indirect Direct Indirect GB00B1FH8J72 15,551,013 15,551,013 Below 5% ORD (LGIM) (LGIM) (LGIM) 14,162,139 14,162,139 9,834,438 9,834,438 4.15 GBP 0.9789 (L&G) (L&G) B: Qualifying Financial Instruments Resulting situation after the triggering transaction Number of voting rights that may be Type of financial Expiration Exercise/ acquired if the % of voting instrument date Conversion Period instrument is rights exercised/ converted. C: Financial Instruments with similar economic effect to Qualifying Financial Instruments Resulting situation after the triggering transaction Type of Exercise price Expiration Exercise/ Number of voting rights % of voting rights financial date Conversion period instrument refers to instrument Nominal Delta Total (A+B+C) Number of voting rights Percentage of voting rights Below 5% (LGIM) 9,834,438 (L&G) 4.15 (L&G) 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) (Below 5% = Total Position) Legal & General Investment Management (Holdings) Limited (LGIMH) (Direct and Indirect) (Below 5% = Total Position) Legal & General Investment Management Limited (Indirect) (LGIM) (Below 5% = Total Position) Legal & General Group Plc (Direct) (L&G) (9,834,438 - 4.15% = LGAS, LGPL & PMC) Legal & General Investment Management (Holdings) Limited Legal & General (Direct) (LGIMHD) (8,996,022 - 3.80% = PMC) Insurance Holdings Limited (Direct) (LGIH) Legal & General Assurance (Pensions Management) Limited Legal & General (PMC) (8,996,022 - 3.80% = PMC) Assurance Society Limited (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 N/A to hold: 12. Date on which proxy holder will cease to hold N/A voting rights: Notification using the total voting rights figure of 13. Additional information: 236,543,480 14. Contact name: Michelle Woodall 15. Contact telephone number: 0121 722 4840

Companies

Severn Trent (SVT)
UK 100