TR-1: Notification of Major Interest in Shares

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

attached: ii

Jersey Oil and 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 the notification obligation: iii

Peter Gyllenhammar

4. Full name of shareholder(s)

(if different from 3.):iv

Peter Gyllenhammar AB

5. Date of the transaction and date on which the threshold is crossed or reached: v

24/02/2017

6. Date on which issuer notified:

27/02/2017

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

Crossed 5%

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

Number of Shares

Number of Voting Rights

Number of shares

Number of voting rights

% of voting rights x

Direct

Direct xi

Indirect

xii

Direct

Indirect

Ordinary Shares GB00BYN5YK77

505,000

505,000

495,000

495,000

4.99%

Resulting situation after the triggering transaction

Type of financial

Expiration

Exercise/

Number of voting

% of voting

instrument

date xiii

Conversion Period xiv

rights that may be acquired if the

rights

instrument is

exercised/ converted.

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

495,000

4.99%

Proxy Voting:

10. Name of the proxy holder:

N/A

11. Number of voting rights proxy holder will cease to hold:

N/A

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

N/A

13. Additional information:

14. Contact name:

Peter Gyllenhammar

15. Contact telephone number:

0046 708 185244