Nighthawk Energy Regulatory News (HAWK)

TR-1: Notifications of Major Interests in Shares

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

Nighthawk Energy plc

2. Reason for notification (yes/no)

An acquisition or disposal of voting rights

X

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

An event changing the breakdown of voting rights

Other (please specify):______________

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

Peter Gyllenhammar

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

Bronsstädet AB

Union Discount Company of London Ltd

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

5 August 2011

6. Date on which issuer notified:

9 August 2011

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

4%

8: Notified Details

A: Voting rights attached to shares

Class/type of shares

If possible use ISIN code

ORDINARY

Situation previous to the triggering transaction

Resulting situation after the triggering transaction

Number of shares

14,099,336

Number of voting rights

 14,099,336

Number of shares

15,199,336

Number of voting rights

Percentage of voting rights

Direct

15,199,336

Indirect

Direct

4.0%

Indirect

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

15,199,336

4.0%

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

Peter Gyllenhammar is the 100% owner of the following companies owning the shares in Nighthawk Energy PLC:

Bronsstädet AB 5309018

Union Discount Company of London Ltd 9890318

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:

14 Contact name:

Peter Gyllenhammar

15. Contact telephone name:

0046 708 185244