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| TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi | ||||
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| 1. Identity of the issuer or the underlying issuer | Kingspan 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 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 | Eugene Murtagh | |||
| 4. Full name of shareholder(s)  | N/A | |||
| 5. Date of the transaction and date on | 13 March 2012 | |||
| 6. Date on which issuer notified: | 13 March 2012 | |||
| 7. Threshold(s) that is/are crossed or | 21%, 20%, 19%, 18% | |||
| 8. Notified details: | |||||||||||||||||
| A: Voting rights attached to shares viii, ix | |||||||||||||||||
| Class/type of 
 | Situation previous | Resulting situation after the triggering transaction | |||||||||||||||
| Number | Number | Number | Number of voting | % of voting rights x | |||||||||||||
| Direct | Direct xi | Indirect xii | Direct | Indirect | |||||||||||||
| IE0004927939 | 35,120,000 | 35,120,000 | 30,000,000 | 30,000,000 |  | 17.97% |  | ||||||||||
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| B: Qualifying Financial Instruments | |||||||||||||||||
| Resulting situation after the triggering transaction | |||||||||||||||||
| Type of financial | Expiration | Exercise/ | Number of voting | % of voting | |||||||||||||
|  |  |  |  |  | |||||||||||||
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| C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi | |||||||||||||||||
| Resulting situation after the triggering transaction | |||||||||||||||||
| Type of financial | Exercise price | Expiration date xvii | Exercise/ | Number of voting rights instrument refers to 
 | % of voting rights xix, xx 
 | ||||||||||||
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 | Nominal | Delta | |||||||||||
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| Total (A+B+C) | |||||||||||||||||
| Number of voting rights | Percentage of voting rights | ||||||||||||||||
| 30,000,000 | 17.97% | ||||||||||||||||
| 9. Chain of controlled undertakings through which the voting rights and/or the | ||
| 
 N/A | ||
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| Proxy Voting: | ||
| 10. Name of the proxy holder: | N/A | |
| 11. Number of voting rights proxy holder will cease | N/A | |
| 12. Date on which proxy holder will cease to hold | N/A | |
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| 
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| 14. Contact name: | Lorcan Dowd | |
| 15. Contact telephone number: | +353 42 9698000 | |