Rule 8.3 - BRITISH ENERGY GROUP

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 BRITISH ENERGY GROUP Class of relevant security ORD GBP0.10 to which the dealings being disclosed relate (Note 2) 09 October 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 40,573,431 3.92% 594,284 0.06% securities (2) Derivatives 763,097 0.07% 378,763 0.04% (other than options) (3) Options and 0 0.00% 0 0.00% agreements to purchase/sell Total 41,336,528 4.00% 973,047 0.09% (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 7,022 7.2396 Purchase 88,444 7.2454 Purchase 400 7.2388 Purchase 34,560 7.2454 Purchase 600 7.2412 Purchase 28,692 7.2100 Purchase 12,885 7.2400 Purchase 50,000 7.3289 Purchase 702 7.2511 Purchase 25,000 7.1836 Purchase 1,094 7.2100 Purchase 25,381 7.2454 Purchase 2,884 7.2079 Purchase 11,670 7.2450 Purchase 103,962 7.2510 Purchase 687 7.2329 Purchase 4,294 7.2100 Purchase 12,870 7.2450 Purchase 4,290 7.2100 Purchase 6,325 7.2458 Purchase 79,585 7.2431 Purchase 42,900 7.2100 Purchase 3,432 7.2100 Sale 2,047 7.2100 Sale 12,870 7.2813 Sale 9,592 7.2357 Sale 289,016 7.2440 Sale 5,117 7.2100 Sale 78,645 7.2403 Sale 1,443 7.2596 Sale 400 7.2388 Sale 63,834 7.2100 Sale 12,885 7.2400 Sale 114,953 7.2329 (b) Derivatives transactions (other than options) Product name, Long/Short Number of Price per (e.g. CFD) (Note 6) Securities unit (GBP) CFD Long 114953 7.2328 CFD Long 400 7.2387 CFD Long 78645 7.2403 CFD Long 289016 7.2439 CFD Long 1443 7.2595 CFD Short 2884 7.2079 CFD Short 400 7.2387 CFD Short 600 7.2412 CFD Short 79585 7.243 CFD Short 104664 7.251 (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 10 October 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

Companies

Barclays (BARC)
UK 100

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