Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

1. Identity of the issuer or the underlying issuerof existing shares to which voting rights areattached: ii

Plant Health Care 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 thenotification obligation: iii

ORA (Guernsey) Limited and Richard Griffiths

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

Richard Griffiths

5. Date of the transaction and date onwhich the threshold is crossed orreached: v

23 August 2012

6. Date on which issuer notified:

30 August 2012

7. Threshold(s) that is/are crossed orreached: vi, vii

18%

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights x

Direct

Direct xi

Indirect xii

Direct

Indirect

GB00B01JC540

Ordinary 1p

9,094,853

9,094,853

9,094,853

9,094,853

17.08%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/Conversion Period xiv

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

Spreadbet

723,023

1.36%

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

Resulting situation after the triggering transaction

Type of financialinstrument

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

9,817,876

18.44%

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

ORA (Guernsey) Ltd is the beneficial owner of the ordinary shares.

Richard Griffiths is the beneficial owner of the Financial Instrument position.

Richard Griffiths is the ultimate controlling party of ORA (Guernsey) Ltd due to his shareholding in the parent company, ORA Capital Partners Ltd.

Proxy Voting:

10. Name of the proxy holder:

11. Number of voting rights proxy holder will ceaseto hold:

12. Date on which proxy holder will cease to holdvoting rights:

13. Additional information:

14. Contact name:

Andrew Wood FCIS, Company SecretaryPlant Heath Care plc

15. Contact telephone number:

+44 (0)20 8866 5702