Nighthawk Energy Regulatory News (HAWK)

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES

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

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

Johan Claesson

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

1) Fastighets AB Korpralen

2) CA Fastigheter AB

3) Johan Claesson

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

21 December 2012

6. Date on which issuer notified:

21 December 2012

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

14%

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 Shares

GB00B156TD53

131,665,297

131,665,297

131,665,297

131,665,297

14.41%

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

Total (A+B)

Number of voting rights

Percentage of voting rights

131,665,297

14.41%

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 90,000,000 shares in Nighthawk Energy plc. Mr Claesson holds 30,184,500 shares in his own name.

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:

+46 70 547 16 36