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) 03 December 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 40,404,805 3.91% 72,838 0.01% securities (2) Derivatives 43,649 0.00% 673,903 0.07% (other than options) (3) Options and 0 0.00% 0 0.00% agreements to purchase/sell Total 40,448,454 3.91% 746,741 0.07% (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 8,823 7.5449 Purchase 10,255 7.5449 Purchase 1,047 7.5400 Purchase 12,809 7.5411 Purchase 825 7.5400 Purchase 10,967 7.5476 Purchase 208 7.5250 Purchase 1,411 7.5497 Purchase 33 7.5200 Purchase 1,332 7.5611 Sale 6,663 7.5461 Sale 5,792 7.5461 Sale 546 7.5462 Sale 48,441 7.5461 Sale 39,488 7.5461 Sale 6,867 7.5461 Sale 3,544 7.5462 Sale 13,658 7.5461 Sale 8,048 7.5461 Sale 6,820 7.5461 Sale 2,274 7.5462 Sale 666 7.5489 Sale 208 7.5250 Sale 1,411 7.5497 Sale 16,000 7.5633 Sale 4,067 7.5462 Sale 6,202 7.5400 Sale 20,410 7.5461 Sale 9,426 7.5461 Sale 2,882 7.5462 Sale 1,955 7.5462 Sale 5,675 7.5462 Sale 2,567 7.5462 Sale 8,699 7.5461 Sale 16,893 7.5461 Sale 2,639 7.5400 Sale 2,569 7.5400 Sale 2,009 7.5462 Sale 8,558 7.5339 Sale 2,993 7.5462 Sale 2,639 7.5462 Sale 5,300 7.5461 Sale 9,020 7.5461 Sale 6,348 7.5461 Sale 4,446 7.5462 Sale 2,499 7.5462 Sale 5,766 7.5462 Sale 33,436 7.5461 Sale 10,172 7.5461 (b) Derivatives transactions (other than options) Product name, Long/Short Number of Price per (e.g. CFD) (Note 6) Securities unit (GBP) CFD Long 208 7.525 CFD Long 8558 7.5339 CFD Long 666 7.5488 CFD Long 1411 7.5496 CFD Short 33 7.52 CFD Short 208 7.525 CFD Short 38269 7.5375 CFD Short 12809 7.5411 CFD Short 10974 7.5447 CFD Short 17691 7.5449 CFD Short 810 7.5451 CFD Short 10967 7.5476 CFD Short 1411 7.5496 CFD Short 1681 7.55 CFD Short 1332 7.5611 (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 04 December 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

Latest directors dealings