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               01 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      41,085,486      3.97%    1,308,908       0.13%
securities
(2) Derivatives      956,072      0.09%      536,674       0.05%
(other than
options)
(3) Options and            0      0.00%            0       0.00%
agreements to
purchase/sell
Total             42,041,558      4.07%    1,845,582       0.18%


(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      13,272               7.1093
Purchase      4,200                7.1060
Purchase      12,663               7.1109
Purchase      6,719                7.0900
Purchase      2,428                7.0913
Purchase      53,894               7.1142
Purchase      22,486               7.1236
Purchase      18,700               7.1175
Purchase      5,290                7.1350
Purchase      1,404                7.0900
Purchase      669                  7.1350
Purchase      4,336                7.0800
Sale          2,935                7.1228
Sale          2,700                7.1249
Sale          2,607                7.1052
Sale          800                  7.1388
Sale          130,538              7.1172
Sale          2,992                7.1216
Sale          25,918               7.1181
Sale          52,328               7.1121
Sale          107,801              7.0827
Sale          1,413                7.1336
Sale          4,474                7.1143

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          107801        7.0826
CFD            Long          52328         7.1121
CFD            Long          4474          7.1142
CFD            Long          130538        7.1171
CFD            Long          25918         7.1181
CFD            Long          2992          7.1216
CFD            Long          2935          7.1227
CFD            Long          2700          7.1249
CFD            Long          1413          7.1336
CFD            Long          800           7.1388
CFD            Short         4336          7.08
CFD            Short         2428          7.0913
CFD            Short         4200          7.1059
CFD            Short         13272         7.1093
CFD            Short         12663         7.1109
CFD            Short         53894         7.1142
CFD            Short         18700         7.1175
CFD            Short         22486         7.1236

(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                         02 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