Holding(s) in Company

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:

JKX Oil & Gas plc

2. Reason for notification (yes/no)

An acquisition or disposal of voting rights

Yes

An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached

No

An event changing the breakdown of voting rights

No

Other (please specify):

No

3. Full name of person(s) subject to notification obligation:

ECLAIRS GROUP LIMITED

4. Full name of shareholder(s) (if different

from 3);

IGOR KOLOMOISKY

5. Date of transaction (and date on which the threshold is crossed or reached if different):

March 05, 2013

6. Date on which issuer notified:

March 07, 2013

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

3%

8: Notified Details

A: Voting rights attached to shares

Class/type of shares

If possible use 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

Percentage of

voting rights

Direct

Indirect

Direct

Indirect

GB0004697420

0

0

47 287 027

47 287 027

27.5457

B: Financial Instruments

Resulting situation after the triggering transaction

Type of

financial instrument

Expiration date

Exercise/

conversion period/date

No. of voting rights

that may be acquired (if the instrument exercised/converted)

Percentage of

voting rights

Total (A+B)

Number of voting rights

Percentage of voting rights

47287027

27.5457

Proxy Voting:

10. Name of 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:

NOTIFICATION USING THE TOTAL VOTING

RIGHTS FIGURE OF 171 667 706

14. Contact name:

Mr. Panikos Symeou

15. Contact telephone name:

Tel: + 357 25 818400