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)
Date of dealing               07 July 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      41,208,370      3.99%    1,826,830       0.18%
securities
(2) Derivatives    1,437,040      0.14%      419,795       0.04%
(other than
options)
(3) Options and            0      0.00%            0       0.00%
agreements to
purchase/sell
Total             42,645,410      4.12%    2,246,625       0.22%


(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      2,500                7.2500
Purchase      92,939               7.2170
Purchase      86,337               7.2600
Purchase      6,101                7.1660
Purchase      2,087                7.1300
Purchase      1,200                7.2550
Purchase      39,263               7.2526
Purchase      388,516              7.1989
Purchase      6,388                7.2550
Purchase      215,842              7.1500
Purchase      606                  7.2550
Purchase      4,173                7.2550
Purchase      4,090                7.2550
Purchase      8,180                7.2472
Purchase      86,337               7.2600
Sale          3,300                7.2550
Sale          90,802               7.2259
Sale          10,688               7.2527
Sale          2,602                7.2550
Sale          2,574                7.2537
Sale          34,515               7.2217
Sale          800                  7.2638
Sale          6,042                7.1550
Sale          36,200               7.2550
Sale          696                  7.2250
Sale          388,516              7.1989

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          1695          7.2105
CFD            Long          34515         7.2216
CFD            Long          90802         7.2258
CFD            Long          10688         7.2526
CFD            Long          2574          7.2536
CFD            Long          2602          7.2549
CFD            Long          800           7.2638
CFD            Short         6101          7.166
CFD            Short         92939         7.2169
CFD            Short         2500          7.25
CFD            Short         39263         7.2525
CFD            Short         1200          7.255

(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                         08 July 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