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)     25 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      40,892,250       3.95%       100,830     0.01%
securities
(2) Derivatives      205,569       0.02%       286,141     0.03%
(other than
options)
(3) Options and            0       0.00%             0     0.00%
agreements to
purchase/sell
Total             41,097,819       3.97%       386,971     0.04%

(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      26,052               7.6216
Purchase      22,165               7.6200
Purchase      541                  7.6200
Purchase      17,572               7.6361
Purchase      58,274               7.6316
Purchase      2,134                7.6200
Purchase      100,000              7.6200
Purchase      85,092               7.6206
Purchase      700                  7.6236
Sale          34                   7.6450
Sale          893                  7.6445
Sale          700                  7.6236
Sale          6,276                7.7400
Sale          2,458                7.7400
Sale          1,769                7.6500
Sale          55,875               7.6331
Sale          26,052               7.6200
Sale          1,813                7.7400
Sale          89,600               7.6400
Sale          1,000                7.6500
Sale          109,468              7.6420

NB: The below transactions which were previously disclosed have been cancelled
Deal Date      Purchase/Sale     Number of Securities    Price per unit (GBP)
24/09/2008     Purchase          6,360                   7.6798

(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           7.6235
CFD            Long          55875         7.633
CFD            Long          109468        7.642
CFD            Long          893           7.6445
CFD            Long          34            7.645
CFD            Short         600           0.0767
CFD            Short         6738          7.62
CFD            Short         85092         7.6206
CFD            Short         700           7.6235
CFD            Short         3748          7.63
CFD            Short         58274         7.6315
CFD            Short         17572         7.6361

NB: The below transactions which were previously disclosed have been cancelled
Deal Date     Long/Short     Number of Securities     Price per unit (GBP)
24/09/2008    Short          6,360                    7.6798

(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                         26 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