Regulatory News

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:

GKN plc

2. Reason for the notification: (please state Yes/No):

An acquisition or disposal of voting rights: Yes

An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached: No

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments: No

An event changing the breakdown of voting rights: Yes

Other (please specify): No

3. Full name of person(s) subject to the notification obligation:

Standard Life Investments Ltd

4. Full name of shareholder(s) (if different from 3.):

Vidacos Nominees

5. Date of the transaction and date on which the threshold is crossed or reached:

13 July 2012

6. Date on which issuer notified:

16 July 2012

7. Threshold(s) that is/are crossed or reached:

11%

8. Notified details:

A: Voting rights attached to shares

Class/type Situation previous to Resulting situation after the triggering of shares the triggering t

transaction
ransaction
if possible
using the Number of S Number of V Number of Number of voting rights % of voting
ISIN CODE hares oting R shares rights
ights
Direct Indirect Direct Indirect

Ordinary 179,203,635 179,203,635 178,306,426 110,067,438 68,238,988 6.774% 4.200% GB0030646508

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of Expiration date Exercise/ Number of voting % of voting
financial Conversion period rights that may be rights
instrument acquired if the
instrument is
exercised/
converted

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of Exercise Expiration Exercise/ Number of voting % of voting
financial price date Conversion p rights rights
instrument eriod instrument
refers to
Nominal Delta

Total (A+B+C)
Number of voting % of voting rights
rights

178,306,426 10.974%

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable:

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: Kerry Watson, Senior Assistant Company Secretary

15. Contact telephone number: 01527 533245