Rule 8.3 - CENTRICA

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              CENTRICA
Class of relevant security    ORD GBP0.061728395
to which the dealings being
disclosed relate (Note 2)
Date of dealing               25 November 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     246,412,597     6.63%      3,340,431     0.09%
securities
(2) Derivatives   18,878,500     0.51%      4,858,753     0.13%
(other than
options)
(3) Options and      977,237     0.03%              0     0.00%
agreements to
purchase/sell
Total            266,268,334     7.17%      8,199,184     0.22%

(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           Price per unit
                   Securities          (GBP)
Purchase           210,748             2.7100
Purchase           101,149             2.6975
Purchase           16,581              2.6876
Purchase           34,956              2.6975
Purchase           57                  2.5425
Purchase           2,994               2.5425
Purchase           4,972               2.7038
Purchase           2,490               2.5425
Purchase           2,892               2.5425
Purchase           56                  2.5425
Purchase           50,248              2.5425
Purchase           2,950               2.5425
Purchase           1,883               2.5425
Purchase           47                  2.5425
Purchase           3,650               2.7038
Purchase           3,650               2.7038
Purchase           9,617               2.5425
Purchase           103,723             2.5425
Purchase           47                  2.5425
Purchase           4,100               2.5052
Purchase           4,700               2.6726
Purchase           2,967               2.6850
Purchase           9,840               2.6693
Purchase           3,900               2.7400
Purchase           787,448             2.6657
Purchase           931                 2.7400
Purchase           29,072              2.6618
Purchase           47,985              2.6876
Purchase           139,000             2.7400
Purchase           953                 2.5425
Purchase           233,434             2.5701
Purchase           210,748             2.7100
Purchase           104,502             2.5933
Purchase           86,445              2.5425
Purchase           8,160               2.5425
Purchase           201,774             2.5425
Purchase           3,825               2.5425
Purchase           2,490               2.5425
Purchase           8,256               2.5653
Purchase           4,484               2.5425
Purchase           107,100             2.5425
Purchase           135,116             2.6876
Purchase           55                  2.5425
Purchase           264,063             2.6975
Purchase           26,893              2.5425
Purchase           12,685              2.5425
Purchase           204,069             2.5425
Purchase           18,587              2.5425
Purchase           980,484             2.7075
Purchase           9,538               2.5425
Purchase           32,304              2.5425
Purchase           125,271             2.6876
Purchase           178,737             2.5416
Purchase           284,819             2.6975
Purchase           2,493               2.5425
Purchase           4,948               2.7038
Purchase           607                 2.5425
Purchase           999,071             2.5425
Purchase           14,190              2.5425
Purchase           32,037              2.5425
Purchase           47                  2.5425
Purchase           5,047               2.5425
Purchase           133                 2.5425
Purchase           7,028               2.5425
Purchase           152                 2.5425
Purchase           8,034               2.5425
Purchase           85                  2.5425
Purchase           8,737               2.5425
Sale               139,000             2.7400
Sale               931                 2.7400
Sale               1,084,461           2.6917
Sale               105,000             2.6688
Sale               3,900               2.7400
Sale               13,168              2.6908
Sale               181,539             2.6981
Sale               10,338              2.6870
Sale               966                 2.7200
Sale               4,700               2.6726
Sale               2,967               2.6850
Sale               855                 2.6180
Sale               24,651              2.5425
Sale               2,000               2.6130
Sale               204,069             2.5425
Sale               77,600              2.6775
Sale               22,683              2.5425
Sale               38,899              2.6775
Sale               73,938              2.5421
Sale               999,071             2.5425
Sale               12,904              2.5421
Sale               98,090              2.5425
Sale               2,494               2.5434
Sale               1,200               2.7146
Sale               518,860             2.5561
Sale               1,522,996           2.6566
Sale               41,083              2.5425
Sale               299,883             2.6488
Sale               14,383              2.6775

(b)  Derivatives transactions (other than options)
Product name,  Long/Short      Number of       Price per
(e.g. CFD)     (Note 6)        Securities      unit (GBP)
CFD            Long            86842           2.5421
CFD            Long            518860          2.556
CFD            Long            299883          2.6487
CFD            Long            4507            2.6608
CFD            Long            68094           2.6609
CFD            Long            210000          2.6687
CFD            Long            4700            2.6726
CFD            Long            2967            2.685
CFD            Long            10338           2.6869
CFD            Long            13168           2.6907
CFD            Long            25526           2.6975
CFD            Long            181539          2.6981
CFD            Long            1200            2.7146
CFD            Short           4100            2.5051
CFD            Short           8256            2.5653
CFD            Short           233434          2.5701
CFD            Short           104502          2.5933
CFD            Short           787448          2.6656
CFD            Short           9840            2.6692
CFD            Short           4700            2.6726
CFD            Short           2967            2.685
CFD            Short           57740           2.6909

NB: The below transactions which were previously disclosed have been cancelled
Deal Date     Long/Short     Number of Securities     Price per unit (GBP)
25/11/2008    Long           105,000                  2.6687

(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)

Call           Selling           107,252           3.58        EURO           18/12/2008  0.00


(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)                 YES


Date of disclosure                         26 November 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)


SUPPLEMENTAL FORM 8

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


OPEN POSITIONS (Note 1)
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,
                              or derivative relates                   European etc.
Option            Purchased   977,237                3.5881           EURO           18/12/2008

Notes

1. Where there are open option positions or open derivative positions (except for CFD's), full details should be given.
Full details of any existing agreements to purchase or to sell should also be given on this form.

2. For all prices and other monetary amounts, the currency must be stated.

For details of the Code's dealing disclosure requirements, see Rule 8 and its Notes which can be viewed on the Takeover
Panel's website at www.thetakeoverpanel.org.uk