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

NIGHTHAWK ENERGY 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

No

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments

No

An event changing the breakdown of voting rights

No

Other (please specify):

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

Johan Claesson

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

1) Fastighets AB Korpralen

2) CA Fastigheter AB

3) Johan Claesson

4) Johan och Marianne Claesson AB

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

6. Date on which issuer notified:

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

16%

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

136,665,297

136,665,297

159,365,297

159,365,297

16.91%

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

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

159,365,297

16.91%

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

Johan Claesson is the direct and indirect owner of more than 50% of Claesson & Anderzén AB that owns 100% of CA Fastigheter AB, holding 11,480,797 shares in Nighthawk Energy plc. CA Fastigheter AB owns 100% of Fastighets AB Korpralen, holding 95,000,000 shares in Nighthawk Energy plc. Mr Claesson holding 24,584,500 shares in his own name and 28,300,000 shares in his 100 % privately owned company Johan och Marianne Claesson AB.

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:

Johan Claesson

15. Contact telephone number:

0046 70 547 16 36