RNS Number:3931I Halfords Group PLC 23 November 2007 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 HALFORDS GROUP PLC 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 (specify): CHANGE IN NUMBER OF SHARES IN ISSUE ( ) 3. Full name of person(s) subject to the notification obligation: JPMorgan Chase & Co 4. Full name of shareholder(s) (if different from 3.) JP Morgan International Bank Limited JP Morgan Investment Management Inc JF Asset Management Limited JP Morgan Asset Management (Japan) Limited JP Morgan Asset Management (UK) Limited 5. Date of the transaction (and date on which the threshold is crossed or reached if different): 20 Novemeber 2007 6. Date on which issuer notified: 22 November 2007 7. Threshold(s) that is/are crossed or reached: 5% 8. Notified details: Nominee holdings 9. A. Voting rights attached to shares Class/type of shares (if possible using the ISIN code) Ordinary shares ISIN GB00B012TP20 Situation previous to the Resulting situation after the triggering triggering transaction transaction Number of Number of Number of Number of voting % of voting Shares Voting shares rights rights Rights Direct Indirect Direct Indirect 11,459,614 11,459,614 9,692,294 9,692,294 4.40% B. Financial Instruments Resulting situation after the triggering transaction Type of Expiration Exercise/ Number of voting % of voting financial date Conversion Period/ rights that may rights instrument Date be acquired if the instrument is exercised/-- converted Total (A B) Number of voting rights % of voting rights 9,692,294 4.40% 9. Chain of controlled undertakings through which the voting rights and/ or the financial instruments are effectively held, if applicable: Total disclosable holding for JP Morgan Chase & Co 9,692,294 (4.40%) JP Morgan International Bank Limited JP Morgan Investment Management Inc. JF Asset Management Limited JP Morgan Asset Management (Japan) Limited JP Morgan Asset Management (UK) Limited 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: Please note the group has other holdings which are covered by exemptions. 14: Contact name: Tracey Young 15. Contact telephone number: 020 7325 4513 END This information is provided by RNS The company news service from the London Stock Exchange END