Notification of Major Interest in Shares

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

Hardy 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 thenotification obligation: iii

Perayya Sastry Karra

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

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

(A) 15 April 2011

(B) 20 April 2011

6. Date on which issuer notified:

26 April 2011

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

(A) From over 6% to over 4%

(B) From over 4% to over 5%

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransactions

Resulting situation after the triggering transactions

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights x

Direct

Direct xi

Indirect xii

Direct

Indirect

GB00B09MB366

(A)

(B)

4,325,979

3,545,979

4,325,979

3,545,979

3,545,979

4,326,679

3,545,979

4,326,679

-

-

4.929%

5.946%

-

-

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

(A) 3,545,979

(B) 4,326,679

(A) 4.929%

(B) 5.946%

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

(A)

Lynchwood Nominees Limited 3,279,500

HSBC Client Holdings Nominee (UK) Limited 256,479

Sastry Karra 10,000

(B)

Lynchwood Nominees Limited 4,060,200

HSBC Client Holdings Nominee (UK) Limited 256,479

Sastry Karra 10,000

Proxy Voting:

10. Name of the proxy holder:

N/A

11. Number of voting rights proxy holder will ceaseto hold:

N/A

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

N/A

13. Additional information:

Notification using total voting rights of

(A) 71,944,504

(B) 72,760,204*

*After exercise of stock options

14. Contact name:

Perayya Sastry Karra

15. Contact telephone number:

+44 (0) 752 583 1769