Holding(s) in Company

For filings with the FSA include the annex
For filings with issuer exclude the annex
TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi
1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:ii				API GROUP PLC
2 Reason for the notification (please tick the appropriate box or boxes):
An acquisition or disposal of voting rights					?
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:iii		HARGREAVE HALE LIMITED
4. Full name of shareholder(s) (if different from 3.):iv		DISCRETIONARY CLIENTS
5. Date of the transaction and date on which the threshold is crossed or reached:v		08 DECEMBER 2011
6. Date on which issuer notified:		09 DECEMBER 2011
7. Threshold(s) that is/are crossed or reached: vi, vii		5%

8. Notified details:

A: Voting rights attached to sharesviii, ix

Class/type of shares if possible using the ISIN CODE

Situation previous to the triggering transaction

Resulting situation after the triggering transaction

Number of Shares

Number of Voting Rights

Number of shares

Number of voting rights

% of  voting rights x

Direct

Indirect

Direct xi

Indirect xii

Direct

Indirect

GB0000592062

3,767,000

3,767,000

3,937,000

3,937,000

5.1375%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date xiii

Exercise/ Conversion Period xiv

Number of voting rights that may be acquired if the instrument is exercised/ converted.

% of voting rights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

Resulting situation after the triggering transaction

Type of financial instrument

Exercise price

Expiration date xvii

Exercise/ Conversion period xviii

Number of voting rights instrument refers to

% of voting rights xix, xx

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

3,937,000

5.1375%

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: xxi
2,105,000 of these shares are held for unit trusts operated by Marlborough Fund Managers Ltd for whom Hargreave Hale Ltd manages the portfolio of investments on a discretionary basis. The remaining shares are held for other Discretionary clients.
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:	David Clueit
15. Contact telephone number:	01253 754739

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information contained therein.

Source: API Group PLC via Thomson Reuters ONE

HUG#1570517