| 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: | SIG 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 qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached |  | |
| An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments |  | |
| An event changing the breakdown of voting rights |  | |
| Other (please specify): | 
 |  | 
| 3. Full name of person(s) subject to the notification obligation: | IKO Enterprises Limited | 
| 4. Full name of shareholder(s) (if different from 3.): | IKO Enterprises Limited Huddersfield Investments Inc Palmerston Investments Inc | 
| 5. Date of the transaction and date on which the threshold is crossed or reached: | 11 July 2013 | 
| 6. Date on which issuer notified: | 12 July 2013 | 
| 7. Threshold(s) that is/are crossed or reached: | Below 7% | 
| 8. Notified details: | |||||||
| A: Voting rights attached to shares | |||||||
| Class/type of 
 | Situation previous | Resulting situation after the triggering transaction | |||||
| Number | Number | Number | Number of voting | % of voting rights | |||
| Direct | Direct | Indirect | Direct | Indirect | |||
| GB0008025412 | 41,884,891 | 41,884,891 | 28,410,686 | 24,410,686 | 10,974,205 | 4.8086% | 1.8574% | 
| B: Qualifying Financial Instruments | ||||
| Resulting situation after the triggering transaction | ||||
| Type of financial | Expiration | Exercise/ | Number of voting | % of voting | 
| N/A |  |  |  |  | 
| C: Financial Instruments with similar economic effect to Qualifying Financial Instruments | ||||||
| Resulting situation after the triggering transaction | ||||||
| Type of financial | Exercise | Expiration | Exercise/ | Number of voting | % of voting rights 
 | |
| N/A |  |  |  |  | Nominal | Delta 
 | 
|  |  | |||||
| Total (A+B+C) | |
| Number of voting rights | Percentage of voting rights | 
| 39,384,891 | 6.6660% | 
| 9. Chain of controlled undertakings through which the voting rights and/or the | 
| 
 IKO Enterprises Limited, Huddersfield Investments Inc and Palmerston Investment Inc are subject to common control. | 
| 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: |  | 
| 14. Contact name: | M Kippen for TCSS Limited representing IKO Enterprises Limited | 
| 15. Contact telephone number: | 07545 425155 |