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Electrocomponents PLC 04 December 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: Electrocomponents - GB0003096442 2. Reason for the notification (please state Yes/No): ( ) An acquisition or disposal of voting rights: (Yes) An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached: (No) An event changing the breakdown of voting rights: (No) Other (please specify) : (No) 3. Full name of person(s) subject to the notification obligation: UBS Global Asset Management - Traditional 4. Full name of shareholder(s) (if different from 3.): UBS Global Asset Management (Americas) Inc. UBS Global Asset Management (Australia) Ltd UBS Global Asset Management (Canada) Co. UBS Global Asset Management (Deutschland) GmbH UBS Global Asset Management Life Limited UBS Global Asset Management (UK) Limited 5. Date of the transaction and date on which the threshold is crossed or reached if different): 29 November 2007 6. Date on which issuer notified: 03 December 2007 7. Threshold(s) that is/are crossed or reached: 5.12% 8. Notified details: A: Voting rights attached to shares Class/type of shares Situation previous to if possible using the the Triggering ISIN CODE transaction Number of shares Number of voting Rights GB0003096442 - - Resulting situation after the triggering transaction Class/type of shares Number of shares Number of voting rights % of voting rights if possible using the ISIN CODE Direct Direct Indirect Direct Indirect GB0003096442 22,302,913 2,158,947 20,143,966 0.50% 4.62% B: Financial Instruments Resulting situation after the triggering transaction Type of Expiration Date Exercise/Conversion Number of voting % of voting financial Period/ Date rights that may be rights instrument acquired if the instrument is exercised/ converted. - Total (A+B) Number of voting rights % of voting rights 22,302,913 5.12% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: UBS Global Asset Management (Americas) Inc. - 701,850 - 0.16% UBS Global Asset Management (Australia) Ltd - 30,325 - 0.01% UBS Global Asset Management (Canada) Co. - 49,110 - 0.01 UBS Global Asset Management (Deutschland) GmbH - 20,283 - 0.00% UBS Global Asset Management Life Limited - 2,158,947 - 0.50% UBS Global Asset Management (UK) Limited - 19,342,418 - 4.44% Proxy Voting: 10. Name of the proxy holder: UBS Global Asset Management on behalf of a number of asset management clients 11. Number of voting rights proxy holder will cease to hold: - 12. Date on which proxy holder will cease to hold voting rights: - 13. Additional information: 14. Contact name: Susanne Steyn Director UBS AG 15. Contact telephone number: 020 7567 6116 This information is provided by RNS The company news service from the London Stock Exchange

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