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 August 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     226,482,602     6.10%      6,292,632     0.17%
securities
(2) Derivatives   17,379,467     0.47%      3,589,445     0.10%
(other than
options)
(3) Options and            0     0.00%              0     0.00%
agreements to
purchase/sell
Total            243,862,069     6.57%      9,882,077     0.27%

(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      293,080               3.1549
Purchase      19,764                3.1437
Purchase      113,135               3.1111
Purchase      16,968                3.1050
Purchase      104,973               3.0928
Purchase      13,961                3.1200
Purchase      293,080               3.1549
Purchase      534                   Transfer
Purchase      17,895                3.1425
Purchase      120,182               3.1425
Sale          12,800                3.1587
Sale          79,328                3.1162
Sale          31,192                3.1425
Sale          120,182               3.1425
Sale          17,895                3.1425
Sale          140,722               3.1162
Sale          120,186               3.1076
Sale          17,762                3.1428
Sale          293,080               3.1549
Sale          2,992                 3.1420
Sale          8,300                 3.1104
Sale          11,332                3.1104
Sale          16,940                3.1215
Sale          267                   3.0884

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          120186        3.1076
CFD            Long          146318        3.1188
CFD            Long          16940         3.1214
CFD            Long          120379        3.1325
CFD            Long          2992          3.1419
CFD            Long          17762         3.1427
CFD            Long          12800         3.1586
CFD            Short         104973        3.0928
CFD            Short         16968         3.105
CFD            Short         113135        3.1111
CFD            Short         220050        3.1162
CFD            Short         13961         3.1199
CFD            Short         19764         3.1436
CFD            Short         293080        3.1548

(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                         27 August 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)


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk