For filings with the FCA 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

Byotrol plc

2 Reason for the notification (please tick the appropriate box or boxes):

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

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

Ruffer LLP (for its discretionary clients of the Ruffer Group)

4. Full name of shareholder(s)

(if different from 3.):iv

5. Date of the transaction and date on

which the threshold is crossed or reached: v

29 June 2015

6. Date on which issuer notified:

30 June 2015

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

22% to 21%

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type of

shares

if possible using the ISIN CODE

Situation previous

to the triggering transaction

Resulting situation after the triggering transaction

Class/type of

shares

if possible using the ISIN CODE

Number

of

Shares

Number

of Voting Rights

Number

of shares

Number of voting

rights

% of voting rights x

Class/type of

shares

if possible using the ISIN CODE

Number

of

Shares

Number

of Voting Rights

Direct

Direct xi

Indirect xii

Direct

Indirect

GB00B0999995

49,541,110

49,541,110

49,390,329

49,390,329

-

21%

-

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

49,390,329

21%


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

N/A

Proxy Voting:

10. Name of the proxy holder:

N/A

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:

Ruffer LLP now controls the voting rights over 49,390,329 shares (21% of the voting rights) of Byotrol plc which are held by the discretionary clients of Ruffer LLP and its subsidiaries (the voting of which is all controlled by Ruffer LLP).

This change from 22% to 21% is due to the sale of

150,781 shares on 29 June 2015.

14. Contact name:

Louise Stanway

15. Contact telephone number:

020 7963 8146

distributed by