Rule 8.3 - XSTRATA PLC

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              XSTRATA PLC
Class of relevant security    ORD USD0.50
to which the dealings being
disclosed relate (Note 2)
Date of dealing               03 January 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      27,545,580      2.83%       557,479      0.06%
securities
(2) Derivatives       75,788      0.01%       211,350      0.02%
(other than
options)
(3) Options and        1,550      0.00%          500       0.00%
agreements to
purchase/sell
Total             27,622,918      2.84%       769,329      0.08%


(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      42,067               35.1265
Purchase      11,839               35.0014
Purchase      90,204               34.7721
Purchase      4,126                35.0575
Purchase      9,929                34.9045
Purchase      4,126                35.0575
Purchase      296                  34.6000
Purchase      79,596               35.1762
Purchase      86,781               35.1034
Purchase      7,535                34.5870
Purchase      10,232               35.1697
Purchase      9,472                35.1809
Purchase      4,801                35.2359
Purchase      22,474               35.3890
Purchase      3,074                35.7500
Purchase      1,029                35.7500
Purchase      51,000               35.7486
Purchase      18,779               34.6500
Purchase      179,316              35.1240
Purchase      61,471               35.2300
Purchase      1,100                34.8789
Purchase      61,471               35.0900
Purchase      179,316              35.1240
Purchase      1,100                34.6192
Sale          4,801                35.2359
Sale          57,277               35.6847
Sale          9,472                35.1809
Sale          7,535                34.5870
Sale          22,474               35.3858
Sale          42,067               35.1265
Sale          42,067               35.1265
Sale          79,596               35.1762
Sale          1,100                34.8726
Sale          179,316              35.1240
Sale          90,204               34.7721
Sale          11,839               34.9948
Sale          4,126                35.0575
Sale          9,929                34.8979
Sale          1,100                34.6129
Sale          86,781               35.1002
Sale          1,029                35.7432
Sale          296                  34.6000
Sale          51,000               35.7486
Sale          828                  35.9300

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Short         1100          34.6191
CFD            Short         4590          34.6702
CFD            Short         11839         35.0014
CFD            Short         4126          35.0575
CFD            Short         82191         35.1275
CFD            Short         79596         35.1762
CFD            Long          7535          34.5869
CFD            Long          1100          34.8726
CFD            Long          9929          34.8978
CFD            Long          7758          34.9649
CFD            Long          14716         35.6076
CFD            Long          1029          35.7432

(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 January 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

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   250                    3,200.0000       EURO            20/03/2008
Option            Purchased   500                    3,400.0000       EURO            20/03/2008
Option            Purchased   -500                   3,600.0000       EURO            20/06/2008
Option            Purchased   150                    4,000.0000       EURO            20/06/2008
Option            Purchased   400                    3,800.0000       EURO            20/06/2008
Option            Purchased   250                    3,200.0000       EURO            20/03/2008

Notes

1. Where there are open option positions or open derivative positions (except for CFDs), 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