JKX.L Regulatory News (JKX)

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

JKX OIL & GAS 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

PROXIMA CAPITAL GROUP INC (parent undertaking)

PCG Finance Corporation (controlling undertaking)

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

Vidacos Nominees Ltd (nominal registered shareholder)

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

Date of transaction: 22 May 2015

Date the threshold crossed: 27 May 2015

6. Date on which issuer notified:

27 May 2015

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

Above 19% (please refer to Section 13)

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

Ordinary

GB0004697420

22,587,125

22,587,125

34,288,253

34,288,253

19.92%

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

N/A

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

N/A

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

34,288,253

19.92%

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

PROXIMA CAPITAL GROUP INC

Price Nominees Limited

Top Stone Ltd

PCG Finance Corporation

(in each case, 34,288,253 voting rights; equal to 19.92% of the voting rights)

Proxy Voting:

10. Name of the proxy holder:

N/A

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

N/A

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

N/A

13. Additional information:

This disclosure is due to an acquisition of ordinary share holding crossing above the 19% threshold.

This disclosure has been calculated based on issue share capital amount 172,125,916.

14. Contact name:

Sergey Dmitriev

15. Contact telephone number:

+7-495-970-0786