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)     02 September 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      41,870,148       4.05%       700,084     0.07%
securities
(2) Derivatives      759,103       0.07%       256,085     0.02%
(other than
options)
(3) Options and            0       0.00%             0     0.00%
agreements to
purchase/sell
Total             42,629,251       4.12%       956,169     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      1,200                7.3763
Purchase      65,387               7.2850
Purchase      43,093               7.3015
Purchase      13,449               7.2774
Purchase      2,000                7.2725
Purchase      7,483                7.3785
Purchase      27,877               7.3040
Purchase      15,600               7.3743
Purchase      42,199               7.3724
Purchase      6,079                7.3200
Purchase      895                  7.3200
Purchase      65,916               7.2937
Purchase      31                   7.2261
Sale          1,200                7.3763
Sale          36,762               7.2961
Sale          74,562               7.2953
Sale          2,340                7.3630
Sale          29,104               7.3200
Sale          26,362               7.3368
Sale          3,259                7.3039
Sale          2,000                7.2725
Sale          22,714               7.3700
Sale          34,519               7.3686
Sale          27,877               7.3200
Sale          837                  7.2750

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          2000          7.2725
CFD            Long          74562         7.2953
CFD            Long          36762         7.2961
CFD            Long          3259          7.3039
CFD            Long          26362         7.3367
CFD            Short         31            7.2261
CFD            Short         2000          7.2725
CFD            Short         13449         7.2773
CFD            Short         65387         7.285
CFD            Short         65916         7.2937
CFD            Short         43093         7.3015

(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                         03 September 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