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               26 March 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      42,855,094      4.15%      2,440,364     0.24%
securities
(2) Derivatives    1,755,085      0.17%        561,906     0.05%
(other than
options)
(3) Options and            0      0.00%              0     0.00%
agreements to
purchase/sell
Total             44,610,179      4.32%       3,002,270    0.29%

(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      475                  6.5511
Purchase      4,400                6.7026
Purchase      1,393                6.4412
Purchase      2,345                6.6596
Purchase      16,148               6.6191
Purchase      900                  6.5750
Purchase      688                  6.6000
Purchase      8,413                6.5520
Purchase      1,208                6.6050
Purchase      700                  6.5361
Purchase      3,633                6.5948
Purchase      3,421                6.5493
Purchase      142,400              6.6050
Purchase      1,208                6.4400
Purchase      805                  6.4400
Purchase      606                  6.6000
Purchase      34,356               6.6606
Purchase      490                  6.6000
Purchase      13,839               6.6288
Purchase      145,000              6.6000
Purchase      4,352                6.5409
Purchase      246,000              6.5750
Sale          98,562               6.6436
Sale          27,790               6.6022
Sale          142,400              6.6050
Sale          142,400              6.6000
Sale          7,485                6.6073
Sale          1,208                6.6050
Sale          1,200                6.6993
Sale          42,882               6.6516
Sale          914                  6.5826
Sale          24,884               6.6646
Sale          12,331               6.7123
Sale          16,245               6.5759
Sale          1,393                6.5588
Sale          11,882               6.6603
Sale          25,417               6.6002
Sale          7,454                6.6002
Sale          13,710               6.6002
Sale          5,799                6.5938

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Short         1393          6.4412
CFD            Short         700           6.5361
CFD            Short         4352          6.5408
CFD            Short         3421          6.5492
CFD            Short         475           6.551
CFD            Short         8413          6.5519
CFD            Short         246000        6.5749
CFD            Short         900           6.575
CFD            Short         3633          6.5948
CFD            Short         16148         6.6191
CFD            Short         13839         6.6288
CFD            Short         2345          6.6595
CFD            Short         34356         6.6605
CFD            Short         4400          6.7026
CFD            Long          1393          6.5587
CFD            Long          16245         6.5759
CFD            Long          5799          6.5938
CFD            Long          27790         6.6022
CFD            Long          7485          6.6072
CFD            Long          98562         6.6436
CFD            Long          42882         6.6516
CFD            Long          11882         6.6603
CFD            Long          24884         6.6646
CFD            Long          1200          6.6993
CFD            Long          12331         6.7123

(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                         27 March 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)

DETAILS OF OPEN POSITIONS
(This form should be attached to Form 8.1, Form 8.1(b)(ii) or Form 8.3, as appropriate)


Product name,     Written or  Number of securities   Exercise price   Type, e.g.     Expiry date
e.g. call option  purchased   to which the option    (Note 2)         American,


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk