Director/PDMR Shareholding

NOTIFICATION OF TRANSACTIONS OF DIRECTORS/PERSONS DISCHARGING MANAGERIALRESPONSIBILITIESAND CONNECTED PERSONS GKN plc announces that on 12 August 2013 the awards over ordinary sharesgranted under the GKN plc Long Term Incentive Plan (`LTIP') in 2009 to theexecutive Directors listed below were released and exercised. In accordance with the rules of the LTIP, the awards were released on thefourth anniversary of the date of grant, having vested following theachievement of performance conditions over a three year period ending on 31December 2011. A cash amount equivalent to dividends per share paid in theperiod 1 January 2011 to 12 August 2013 (being the start of the final year ofthe performance period to the date of release) was paid on release of theawards. A number of shares were subsequently sold at a price of £3.4517 per share tosettle tax and social security liabilities arising from the release of theawards; these are detailed below. Director& PDMR Shares released/ Shares sold to settle Shares retained exercised tax/social security liabilities Marcus Bryson 200,647 94,636 106,011 Andrew Reynolds Smith 214,024 100,945 113,079 William Seeger 214,024 101,942 112,082 Nigel Stein 260,841 123,026 137,815 Directors' Interests As a result of the above transactions, the interests of the executive Directorsand of their connected persons in GKN plc ordinary shares are as follows: Director & PDMR No. of shares % of issued share capital Marcus Bryson 671,795 0.041% Andrew Reynolds Smith 804,089 0.049% William Seeger 608,345 0.037% Nigel Stein 1,102,056 0.067% This announcement is made in accordance with DTR 3.1.4R (1).

13 August 2013