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Electrocomponents PLC 31 July 2007 TR-1: 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: 2. Reason for the notification (please tick the appropriate box or boxes) 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 Other (please specify): A sale of shares has caused subsidiaries of X Prudential plc to cross 4% triggering this notification 3. Full name of person(s) subject to the notification Prudential plc group of companies obligation: 4. Full name of shareholder(s) (if different from 3.) See attached schedule 5. Date of the transaction (and date on which the threshold is 26 July 2007 crossed or reached if different): 6. Date on which issuer notified: 30 July 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 shares Triggering transaction Number of Number of Number of Number of voting % of voting rights (if possible using Shares Voting Rights shares rights ix the ISIN CODE) viii Direct Direct x Indirect Direct Indirect xi GB0003096442 31,600,304 31,600,304 31,950,304 31,950,304 7.33% 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 31,950,304 7.33% 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 4% notifiable interest triggering this notification. 14. Contact name: Ian Haslegrave 15. Contact telephone number: 01865 207491 15. Date: 31 July 2007 This information is provided by RNS The company news service from the London Stock Exchange

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