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               03 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     239,935,274     6.46%      2,680,302     0.07%
securities
(2) Derivatives   18,131,252     0.49%      2,136,997     0.06%
(other than
options)
(3) Options and      869,985     0.02%              0     0.00%
agreements to
purchase/sell
Total            258,066,526     6.95%      5,687,284     0.15%

(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           203,456             3.0325
Purchase           3,379               3.0062
Purchase           18,050              3.0062
Purchase           48,647              2.9449
Purchase           1,600               2.9772
Purchase           13,053              3.0207
Purchase           110,136             2.9699
Purchase           3,469               3.0325
Purchase           113,275             2.9798
Purchase           57,244              3.0297
Purchase           565,792             2.9855
Purchase           6,739               2.9965
Purchase           178                 Transfer
Purchase           114,444             3.0325
Purchase           806                 3.0325
Purchase           3,115               2.8500
Purchase           13,137              3.0325
Purchase           3,617               3.0325
Purchase           1,990,148           3.0450
Purchase           3,052               3.0450
Purchase           6,938               3.0325
Purchase           10,290              2.9965
Sale               9,012               2.9475
Sale               20,574              2.9824
Sale               82                  2.9780
Sale               534                 3.0600
Sale               51,101              3.0090
Sale               48,647              2.9966
Sale               294,461             3.0320
Sale               17,945              3.0111
Sale               3,072               2.9590
Sale               1,600               2.9772
Sale               2,200               3.0055
Sale               2,700               3.0005
Sale               1,971               3.0325
Sale               34,248              3.0325
Sale               99,644              3.0020

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          9012          2.9474
CFD            Long          1600          2.9771
CFD            Long          20574         2.9823
CFD            Long          99644         3.0019
CFD            Long          51101         3.009
CFD            Long          17945         3.011
CFD            Long          294461        3.032
CFD            Short         110136        2.9698
CFD            Short         5764          2.9756
CFD            Short         105292        2.977
CFD            Short         1600          2.9771
CFD            Short         565792        2.9855
CFD            Short         153775        2.9923
CFD            Short         57514         3.0016
CFD            Short         18050         3.0061
CFD            Short         7983          3.0162
CFD            Short         13053         3.0206
CFD            Short         57244         3.0296

(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)                 YES


Date of disclosure                         04 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   869,985                4.0304           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