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 27 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 2,603,304 2.54% 172,839 0.17% securities (2) Derivatives 45,461 0.04% 150,987 0.15% (other than options) (3) Options and 0 0.00% 0 0.00% agreements to purchase/sell Total 2,648,765 2.59% 323,826 0.32% (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 Purchase 30,000 12.0417 Purchase 900 11.9598 Purchase 13,000 12.0738 Purchase 18,119 11.9665 Purchase 20,000 11.9737 Purchase 16,000 12.0369 Purchase 2,581 12.2372 Purchase 438 11.9800 Purchase 1,332 11.9714 Sale 17,583 11.9910 Sale 7,263 12.0063 Sale 700 11.9080 Sale 2,600 12.0962 Sale 1,245 12.0981 (b) Derivatives transactions (other than options) Product name, Long/Short Number of Price per (e.g. CFD) (Note 6) Securities unit (GBP) CFD Long 700 11.908 CFD Long 17583 11.9909 CFD Long 7263 12.0063 CFD Long 2600 12.0961 CFD Long 1245 12.098 CFD Short 900 11.9598 CFD Short 18119 11.9665 CFD Short 1332 11.9713 CFD Short 20000 11.9736 CFD Short 438 11.98 CFD Short 16000 12.0369 CFD Short 13000 12.0737 CFD Short 2581 12.2371 (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 28 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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