Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES 1. Identity of the issuer or the underlying issuer of existing shares to whichvoting rights are attached: GKN plc 2. Reason for the notification: (please state Yes/No): An acquisition or disposal of voting rights: No An acquisition or disposal of qualifying financial instruments which may resultin the acquisition of shares already issued to which voting rights areattached: No An acquisition or disposal of instruments with similar economic effect toqualifying financial instruments: No An event changing the breakdown of voting rights: No Other (please specify): YES - An adjustment by BlackRock to the calculation ofnotifiable interest in voting rights. 3. Full name of person(s) subject to the notification obligation: BlackRock, Inc 4. Full name of shareholder(s) (if different from 3.): 5. Date of the transaction and date on which the threshold is crossed or reached: 10 December 2013 6. Date on which issuer notified: 11 December 2013 7. Threshold(s) that is/are crossed or reached: Holding has gone below 5% 8. Notified details: A: Voting rights attached to shares Class/type Situation previous to Resulting situation after the triggeringof shares the triggering t transaction ransactionif possibleusing the Number of Number of Number of Number of voting % of votingISIN CODE Shares Voting R shares rights rights ights Direct Indirect Direct Indirect Ordinary 77,153,138 77,153,138 N/A N/A N/A N/A N/AGB0030646508 B: Qualifying Financial Instruments Resulting situation after the triggering transaction Type of Expiration date Exercise/ Number of voting % of votingfinancial Conversion period rights that may be rightsinstrument acquired if the instrument is exercised/ converted C: Financial Instruments with similar economic effect to Qualifying FinancialInstruments Resulting situation after the triggering transaction Type of Exercise Expiration Exercise/ Number of voting % of votingfinancial price date Conversion p rights rightsinstrument eriod instrument refers to Nominal Delta Total (A+B+C) Number of voting % of voting rightsrights N/A Below 5% 9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: BlackRock Investment Management (UK) Limited - N/A (Below 5%) Proxy Voting: 10. Name of the proxy holder: 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: GKN plc is disclosing this information in accordance with DTR 5.8.12. 14. Contact name: Katie Francis, Senior Secretarial Assistant 15. Contact telephone number: 01527 533383