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               28 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      42,532,499      4.12%      2,555,291     0.25%
securities
(2) Derivatives    1,860,622      0.18%        568,304     0.05%
(other than
options)
(3) Options and            0      0.00%              0     0.00%
agreements to
purchase/sell
Total             44,393,121      4.30%       3,123,595    0.30%

(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      3,728                6.7213
Purchase      21                   Transfer
Purchase      4,549                6.7256
Purchase      3,047                6.8154
Purchase      490                  6.7200
Purchase      400                  6.6013
Purchase      151                  6.7200
Purchase      7,458                6.7263
Purchase      6,377                6.7226
Purchase      4,505                6.7200
Purchase      89,797               6.7034
Purchase      18,821               6.7204
Sale          6,984                6.7384
Sale          17,395               6.7676
Sale          5,271                6.7676
Sale          151                  6.7200
Sale          3,512                6.7212
Sale          22,284               6.6600
Sale          10,220               6.7384
Sale          45                   6.7408
Sale          10,803               6.7384
Sale          20,007               6.7205
Sale          4,910                6.7226
Sale          16                   Transfer
Sale          106,183              6.7565
Sale          7,710                6.7676
Sale          66                   6.7108
Sale          486                  6.7200
Sale          15,559               6.7329
Sale          6,555                6.7329
Sale          27,128               6.7467
Sale          19,505               6.7329
Sale          17,839               6.7467
Sale          3,877                6.7329
Sale          9,970                6.7329
Sale          6,434                6.7329
Sale          960                  6.7178
Sale          5,990                6.7329
Sale          5,018                6.7134
Sale          3,228                6.7329
Sale          11,796               6.7329
Sale          16,520               6.7384
Sale          23,048               6.7384
Sale          400                  6.7237
Sale          8,154                6.7676
Sale          4,541                6.7329
Sale          12,470               6.7676
Sale          12,819               6.7200

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          5018          6.7133
CFD            Long          960           6.7177
CFD            Long          20007         6.7204
CFD            Long          4910          6.7225
CFD            Long          400           6.7237
CFD            Long          106183        6.7564
CFD            Short         400           6.6012
CFD            Short         89797         6.7034
CFD            Short         18821         6.7204
CFD            Short         3728          6.7212
CFD            Short         6377          6.7225
CFD            Short         7458          6.7262
CFD            Short         3047          6.8154

(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                         31 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