Rule 8.3 - IMPERIAL ENERGY CORPORATION PLC

FORM 8.3 DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE (Rule 8.3 of the City Code on Takeovers and Mergers) 1. KEY INFORMATION Name of person dealing BARCLAYS PLC (Note 1) Company dealt in IMPERIAL ENERGY CORPORATION PLC Class of relevant security ORD GBP0.025 to which the dealings being disclosed relate (Note 2) Date of dealing 13 August 2008 2. INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE (a) Interests and short positions (following dealing) in the class of relevant security dealt in (Note 3) Long Short Number (%) Number (%) (1) Relevant 2,341,535 2.29% 293,209 0.29% securities (2) Derivatives 165,549 0.16% 46,274 0.05% (other than options) (3) Options and 0 0.00% 0 0.00% agreements to purchase/sell Total 2,507,084 2.45% 339,483 0.33% (b) Interests and short positions in relevant securities of the company, other than the class dealt in (Note 3) Class of Long Short relevant security: Number (%) Number (%) (1) Relevant securities (2) Derivatives (other than options) (3) Options and agreements to purchase/sell Total (c) Rights to subscribe (Note 3) Class of relevant security: Details 3. DEALINGS (Note 4) (a) Purchases and sales Purchase/sale Number of Securities Price per unit (GBP) Purchase 29,676 11.0414 Purchase 1,524 11.0881 Sale 7,500 11.1027 Sale 1,406 10.5783 Sale 30,863 11.0456 Sale 452 11.0800 (b) Derivatives transactions (other than options) Product name, Long/Short Number of Price per (e.g. CFD) (Note 6) Securities unit (GBP) CFD Long 1406 10.5783 CFD Long 30863 11.0456 CFD Short 29676 11.0413 CFD Short 1405 11.0466 CFD Short 1524 11.0881 (c) Options transactions in respect of existing securities (i) Writing, selling, purchasing or varying Product name, Writing, Number of Exercise Type, e.g. Expiry Option money e.g. call selling, securities to price American, date paid/received option purchasing, which the option European etc. per unit (GBP) varying etc. relates (GBP) (ii) Exercising Product name, e.g. Number of Exercise price per call option securities unit (Note 5) (d) Other dealings (including new securities) (Note 4) Nature of transaction Details Price per unit (Note 8) (if applicable) (Note 5) 4. OTHER INFORMATION None Agreements, arrangements or understandings relating to options or derivatives Full details of any agreement, arrangement or understanding between the person disclosing and any other person relating to the voting rights of any relevant securities under any option referred to on this form or relating to the voting rights or future acquisition or disposal of any relevant securities to which any derivative referred to on this form is referenced. If none, this should be stated. Is a Supplemental Form 8 attached? (Note 9) NO Date of disclosure 14 August 2008 Contact name Geoff Smith Telephone number 020 7116 2913 If a connected EFM, name of offeree/offeror with which connected If a connected EFM, state nature of connection (Note 10) Notes The Notes on Form 8.3 can be viewed on the Takeover Panel's website at www.thetakeoverpanel.org.uk

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Barclays (BARC)
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