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               01 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      42,521,068      4.11%      2,574,669     0.25%
securities
(2) Derivatives    1,856,804      0.18%        621,811     0.06%
(other than
options)
(3) Options and            0      0.00%              0     0.00%
agreements to
purchase/sell
Total             44,377,872      4.29%       3,196,480    0.31%

(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      12,845               6.5278
Purchase      37,091               6.5431
Purchase      9,713                6.5331
Purchase      2,821                6.5300
Purchase      3                    Transfer
Purchase      31,541               6.5313
Purchase      2                    Transfer
Purchase      4,352                6.5153
Purchase      9,794                6.5381
Purchase      62,760               6.5479
Purchase      1,035                6.5106
Purchase      789                  6.4950
Purchase      751                  6.4800
Purchase      5,378                6.4703
Purchase      29,585               6.5414
Purchase      4,700                6.5426
Sale          11,555               6.5781
Sale          1,604                6.5800
Sale          3                    Transfer
Sale          914                  6.5800
Sale          4,352                6.6137
Sale          844                  6.5850
Sale          22,653               6.5191
Sale          467                  6.5800
Sale          24,390               6.5185
Sale          789                  6.4900
Sale          5,405                6.4900
Sale          43,343               6.5187
Sale          1,947                6.5800
Sale          1,574                6.5300
Sale          23,357               6.4881
Sale          15                   6.5067
Sale          86,400               6.5300
Sale          5,263                6.5196
Sale          150                  6.5087
Sale          11,555               6.5781
Sale          31,462               6.5438
Sale          1,274                6.5800
Sale          187                  6.5200
Sale          19,214               6.5290
Sale          1,030                6.5800
Sale          1,000                6.5800
Sale          385                  6.5850
Sale          335                  6.5850
Sale          1,755                6.5850
Sale          789                  6.4950
Sale          330                  6.4897
Sale          2                    Transfer

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          330           6.4896
CFD            Long          5405          6.49
CFD            Long          150           6.5087
CFD            Long          24390         6.5184
CFD            Long          43343         6.5186
CFD            Long          22653         6.519
CFD            Long          19214         6.529
CFD            Long          31462         6.5437
CFD            Long          11555         6.5781
CFD            Long          4352          6.6137
CFD            Short         5378          6.4702
CFD            Short         1035          6.5106
CFD            Short         4352          6.5152
CFD            Short         12845         6.5278
CFD            Short         31541         6.5313
CFD            Short         9713          6.533
CFD            Short         29585         6.5413
CFD            Short         4700          6.5425
CFD            Short         37091         6.543
CFD            Short         62760         6.5478

(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                         02 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