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               26 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     242,049,378     6.52%      8,565,316     0.23%
securities
(2) Derivatives   24,236,592     0.65%      5,353,954     0.14%
(other than
options)
(3) Options and      977,237     0.03%              0     0.00%
agreements to
purchase/sell
Total            267,263,207     7.20%     13,919,270     0.37%

(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           12,454               2.4084
Purchase           106,201              2.4752
Purchase           24,300               2.4836
Purchase           243                  Transfer
Purchase           614                  2.5425
Purchase           20,200               2.4836
Purchase           12,904               2.4794
Purchase           13,660               2.4832
Purchase           2,810                2.4779
Purchase           2,877                2.5193
Purchase           41,920               2.4729
Purchase           182,616              2.4980
Purchase           12,089               2.4000
Purchase           41,920               2.4732
Purchase           66,380               2.4469
Purchase           1,239                Transfer
Purchase           25,432               2.4000
Purchase           2,215                2.4000
Purchase           80,947               2.4329
Purchase           204,069              2.5425
Purchase           6,932                2.4000
Purchase           203,456              2.4000
Purchase           101,728              2.4000
Purchase           22,682               2.4000
Purchase           681,161              2.4358
Sale               134,306              2.6307
Sale               10,651               2.4000
Sale               41,188               2.4000
Sale               166,679              2.5205
Sale               2,877                2.5193
Sale               3,934                2.4000
Sale               23,375               2.5563
Sale               123                  2.5580
Sale               12,390               2.4973
Sale               18,099               2.5394
Sale               249,800              2.4170
Sale               614                  2.5425
Sale               160,000              2.4189
Sale               204,069              2.5425
Sale               9,545                2.4000
Sale               47,869               2.4000
Sale               4,945,720            2.4726
Sale               168,109              2.5686
Sale               41,920               2.4732

(b)  Derivatives transactions (other than options)
Product name,  Long/Short      Number of       Price per
(e.g. CFD)     (Note 6)        Securities      unit (GBP)
CFD            Long            249800          2.4169
CFD            Long            320000          2.4188
CFD            Long            145356          2.462
CFD            Long            4945720         2.4726
CFD            Long            12390           2.4972
CFD            Long            2877            2.5193
CFD            Long            166679          2.5205
CFD            Long            18099           2.5394
CFD            Long            5386            2.5548
CFD            Long            17989           2.5567
CFD            Long            168109          2.5686
CFD            Long            134306          2.6306
CFD            Short           12454           2.4084
CFD            Short           3710            2.4201
CFD            Short           80947           2.4329
CFD            Short           681161          2.4358
CFD            Short           41920           2.4731
CFD            Short           102491          2.4771
CFD            Short           2810            2.4778
CFD            Short           12904           2.4794
CFD            Short           13660           2.4831
CFD            Short           182616          2.4979
CFD            Short           2877            2.5193
CFD            Short           13507           2.5703

NB: The below transactions which were previously disclosed have been cancelled
Deal Date     Long/Short     Number of Securities     Price per unit (GBP)
26/11/2008    Long           160,000                  2.4188

(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                         27 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