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)     01 August 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     40,897,830        3.96%    1,833,071      0.18%
securities
(2) Derivatives   1,476,276        0.14%      197,414      0.02%%
(other than
options)
(3) Options and           0        0.00%            0      0.00%
agreements to
purchase/sell
Total            42,374,106        4.10%    2,030,485      0.20%

(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      35,297               6.8600
Purchase      11,794               6.9947
Purchase      275                  6.8853
Purchase      160,486              6.9290
Purchase      2,160                7.0000
Purchase      75,328               6.9600
Purchase      43,045               6.9550
Purchase      4,000                6.8141
Purchase      23,589               6.9309
Purchase      10,762               6.9550
Purchase      21,522               6.9550
Purchase      600                  6.9175
Purchase      37,714               6.9207
Purchase      1,926                7.0051
Sale          75,328               6.9600
Sale          1,926                7.0389
Sale          562,800              6.9228
Sale          127,158              6.9346
Sale          15,758               6.9302
Sale          2,500                6.9872
Sale          259,397              6.9434
Sale          600                  6.9175
Sale          50,000               6.9785
Sale          12,745               6.9446
Sale          18,066               6.9991
Sale          7,231                6.8746
Sale          163,346              6.9304

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          600           6.9175
CFD            Long          562800        6.9228
CFD            Long          15758         6.9302
CFD            Long          163346        6.9304
CFD            Long          127158        6.9346
CFD            Long          259397        6.9433
CFD            Long          2500          6.9872
CFD            Long          18066         6.9991
CFD            Long          1926          7.0388
CFD            Short         4000          6.8141
CFD            Short         600           6.9175
CFD            Short         37714         6.9206
CFD            Short         160486        6.929
CFD            Short         1860          6.9945
CFD            Short         1483          6.9986
CFD            Short         1926          7.0051

(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                         04 August 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