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               11 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     237,823,239     6.40%      2,116,782     0.06%
securities
(2) Derivatives   16,979,482     0.46%      1,398,225     0.04%
(other than
options)
(3) Options and      869,985     0.02%              0     0.00%
agreements to
purchase/sell
Total            255,672,706     6.88%      3,515,007     0.09%

(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           300,003              3.1483
Purchase           10,723               3.1354
Purchase           76,642               3.1418
Purchase           10                   Transfer
Purchase           1,100                3.1420
Purchase           8,082                3.1415
Purchase           107,848              3.1513
Purchase           29,969               3.1516
Purchase           685                  Transfer
Purchase           25,686               3.1325
Purchase           128,754              3.1325
Purchase           9,117                3.1325
Purchase           457,950              3.1325
Purchase           152,592              3.1325
Purchase           4,430                3.1325
Purchase           2,968                3.1325
Sale               102,042              3.1435
Sale               530                  3.1275
Sale               29,214               3.1455
Sale               7,800                3.1525
Sale               191,488              3.1325
Sale               2,723                3.1391
Sale               23,007               3.1479
Sale               909                  3.1480
Sale               909                  3.1480
Sale               32,469               3.1386
Sale               14,748               3.1332
Sale               4,000                3.1330
Sale               1,965                3.1325
Sale               845                  Transfer
Sale               1,100                3.1420

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          32469         3.1386
CFD            Long          2723          3.139
CFD            Long          1100          3.142
CFD            Long          102042        3.1435
CFD            Long          87046         3.1454
CFD            Long          23007         3.1478
CFD            Long          7800          3.1525
CFD            Short         23815         3.1307
CFD            Short         4000          3.1351
CFD            Short         10723         3.1353
CFD            Short         76642         3.1417
CFD            Short         1100          3.142
CFD            Short         12443         3.1437
CFD            Short         101673        3.1472
CFD            Short         4082          3.1476
CFD            Short         300003        3.1483
CFD            Short         107848        3.1513
CFD            Short         29969         3.1515

(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                         12 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