Holding(s) in Company

Electrocomponents PLC 08 October 2007 TR-1(i): Notification of major interests in shares 1. Identity of the issuer or the underlying issuer of existing Electrocomponents PLC shares to which voting rights are attached(ii): 2. Reason for the notification (please tick the appropriate box or boxes) An acquisition or disposal of voting rights X 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 Other (please specify): 3. Full name of person(s) subject to the notification Prudential plc group of companies obligation(iii): 4. Full name of shareholder(s) (if different from 3.)(iv): See section 9 5. Date of the transaction (and date on which the threshold is 03 October 2007 crossed or reached if different)(v): 6. Date on which issuer notified: 05 October 2007 7. Threshold(s) that is/are crossed or reached: See item 13 8. Notified details: A: Voting rights attached to shares Class/type of Situation previous to the Resulting situation after the triggering transaction(vii) shares Triggering transaction (vi) Number of Number of Number of Number of voting rights % of voting (if possible using Shares Voting Rights shares ix rights the ISIN CODE) viii Direct Direct x Indirect Direct Indirect xi GB0003096442 34,419,714 34,419,714 35,441,408 35,441,408 8.14% B: Financial Instruments Resulting situation after the triggering transaction xii Type of financial Expiration date Exercise/ Conversion Number of voting rights % of voting instrument xiii Period/ Date xiv that may be acquired if rights the instrument is exercised/ converted. N/A N/A N/A N/A N/A Total (A+B) Number of voting rights % of voting rights 35,441,408 8.14% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable xv: Prudential plc (parent Company) M&G Group Limited (wholly owned subsidiary of Prudential plc) M&G Limited (wholly owned subsidiary of M&G Group Limited) M&G Investment Management Limited (wholly owned subsidiary of M&G Limited) The Prudential Assurance Company Limited (wholly owned subsidiary of Prudential plc) 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 N/A rights: 13. Additional information: The Prudential Assurance Company Limited (a wholly owned subsidiary of Prudential plc) has crossed a 5% notifiable interest and the Prudential Group non-exempt holding has also crossed a 5% notifiable interest. Both occurances are triggers for this notification. 14. Contact name: Ian Haslegrave 15. Contact telephone number: 01865 207491 16. Date 8 October 2007 -------------------------- This information is provided by RNS The company news service from the London Stock Exchange END HOLUUGCWUUPMGCR

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