Disclosure of Holdings.

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:

Imperial Energy Corporation 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 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 the notification obligation:

The Royal Bank of Scotland Group plc

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

Royal Bank of Scotland plc

ABN AMRO Bank N.V

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

28.05.08

6. Date on which issuer notified:

29.05.08

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

3%

8. Notified details:

A: Voting rights attached to shares

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

Direct

Direct 

Indirect 

Direct

Indirect

Ordinary 

GBP 0.025p

GB00B00HD783

883,547

883,547

1,638,547

1,638,547

3.21%

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date 

Exercise / Conversion Period / Date 

Number of voting rights that may be acquired if the instrument is exercised / converted.

% of voting rights

Total (A+B)

Number of voting rights

% of voting rights

1,638,547

3.21%

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

The Royal Bank of Scotland Group plc (3.21%)

Royal Bank of Scotland plc (3.02%)

RFS Holdings N.V. (0.19%)

ABN AMRO Holding N.V. (0.19%)

ABN AMRO Bank N.V. (0.19%)

Proxy Voting 

10. Name of the 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:

This notification is based upon the Voting Rights figure of 51,121,161 obtained from FT Information.

14. Contact Name

Richard Hopkins

15. Contact telephone number

020 7714 4459

:

2nd June 2008

Imperial Energy

+44 (0) 20 7758 9658

Pelham PR

Gavin Davis

+44(0) 20 7743 6677 

+44(0)79 1010 4660

Evgeniy Chuikov

+44(0) 20 3008 5506

+44(0)78 9460 8606