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               22 April 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      44,004,885      4.26%        818,552     0.08%
securities
(2) Derivatives      298,921      0.03%        635,724     0.06%
(other than
options)
(3) Options and            0      0.00%              0     0.00%
agreements to
purchase/sell
Total             44,303,806      4.29%      1,454,276     0.14%

(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      14,414               7.3835
Purchase      30,300               7.4213
Purchase      989                  7.3801
Purchase      196,936              7.4347
Purchase      66                   Transfer
Purchase      72,075               7.4216
Purchase      5,760                7.4100
Purchase      1,163                7.3679
Purchase      45,882               7.4026
Purchase      2,037                7.4200
Purchase      1,768                7.4200
Purchase      5,472                7.4200
Purchase      6,302                7.4200
Sale          3,703                7.3787
Sale          2,037                7.4200
Sale          62,360               7.4124
Sale          1,800                7.3538
Sale          40,579               7.4054
Sale          4,814                7.4186
Sale          5,224                7.4243
Sale          6,302                7.4200
Sale          2,241                7.4042

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          1800          7.3538
CFD            Long          3703          7.3787
CFD            Long          2241          7.4041
CFD            Long          40579         7.4053
CFD            Long          62360         7.4123
CFD            Long          4814          7.4185
CFD            Long          5224          7.4243
CFD            Short         1163          7.3679
CFD            Short         989           7.3801
CFD            Short         14414         7.3835
CFD            Short         45882         7.4025
CFD            Short         5760          7.4099
CFD            Short         30300         7.4212
CFD            Short         196936        7.4346

(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                         23 April 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