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)     10 October 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      41,074,369       3.97%       216,510     0.02%
securities
(2) Derivatives      402,153       0.04%       576,728     0.06%
(other than
options)
(3) Options and            0       0.00%             0     0.00%
agreements to
purchase/sell
Total             41,476,522       4.01%       793,238     0.08%

(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      800                  7.1162
Purchase      644                  7.1100
Purchase      60,132               7.0040
Purchase      15,771               6.9250
Purchase      1,386                7.2194
Purchase      41                   6.9000
Purchase      3,468                6.9000
Purchase      17,181               6.9500
Purchase      1,760                7.2194
Purchase      6,164                6.9678
Purchase      413,259              7.1008
Purchase      1,386                7.2194
Purchase      2,774                6.9000
Purchase      200,000              6.9982
Purchase      17,140               7.0000
Purchase      103,206              7.0638
Purchase      895                  6.9000
Purchase      4,945                7.1135
Purchase      13,870               6.9000
Purchase      8,138                6.9697
Purchase      200                  7.0050
Purchase      45,264               6.9000
Sale          96,741               7.0600
Sale          43,302               7.0420
Sale          200                  7.0050
Sale          17,181               6.9500
Sale          8,427                6.9746
Sale          17,140               7.0351
Sale          215                  7.1450
Sale          41                   6.9000
Sale          15,466               7.1258
Sale          15,771               6.9250
Sale          47,184               7.0812
Sale          8,408                6.8990
Sale          6,138                6.9290
Sale          25,466               6.9000
Sale          18,190               6.9000
Sale          3,379                6.9000
Sale          12,225               6.9000
Sale          349                  7.0444
Sale          15,771               6.9251
Sale          60,132               7.0040

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          8408          6.8989
CFD            Long          6138          6.9289
CFD            Long          8427          6.9745
CFD            Long          200           7.005
CFD            Long          96741         7.06
CFD            Long          47184         7.0812
CFD            Short         6164          6.9677
CFD            Short         8138          6.9696
CFD            Short         200000        6.9982
CFD            Short         200           7.005
CFD            Short         103206        7.0638
CFD            Short         413259        7.1008
CFD            Short         800           7.1162

(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                         13 October 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