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               08 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      27,506,813      2.83%       760,880      0.08%
securities
(2) Derivatives       35,348      0.00%       278,459      0.03%
(other than
options)
(3) Options and        2,050      0.00%         1,000      0.00%
agreements to
purchase/sell
Total             27,544,211      2.83%     1,040,339      0.11%


(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      5,192                33.6400
Purchase      8,445                35.2200
Purchase      50,689               33.7641
Purchase      2,950                33.6500
Purchase      94                   33.5700
Purchase      11,242               33.6965
Purchase      2,027                33.7866
Purchase      13,797               33.6500
Purchase      600                  33.4667
Purchase      10,830               33.6500
Purchase      9,810                33.6500
Purchase      2,943                33.6500
Purchase      20                   33.6365
Purchase      10,776               33.6500
Purchase      3,316                33.7348
Purchase      4,083                33.7314
Purchase      274                  33.4800
Purchase      2,274                33.7762
Purchase      3,000                33.5500
Purchase      2,517                33.6500
Purchase      981                  33.6500
Purchase      72,434               33.7183
Purchase      17,696               33.9033
Purchase      13,050               33.6500
Purchase      21,125               33.6186
Purchase      2,804                33.6500
Purchase      147                  33.4700
Sale          10,776               33.6500
Sale          2,517                33.6500
Sale          708                  33.4776
Sale          21,125               33.6156
Sale          274                  33.4737
Sale          20                   33.6300
Sale          142                  33.4500
Sale          17,832               33.6756
Sale          13,050               33.6500
Sale          8,445                35.2200
Sale          37,000               33.6500
Sale          600                  33.4667
Sale          17,696               33.9033
Sale          8,445                35.2200
Sale          2,950                33.6500
Sale          1,543                33.5000
Sale          3,000                33.5500
Sale          11,242               33.6934
Sale          400                  33.5645
Sale          3,316                33.7348
Sale          50,689               33.7641

NB: The below transactions which were previously disclosed have been cancelled
Deal Date    Purchase/Sale  Number of Securities  Price per unit (GBP)
07/01/2008   Purchase       1,543                 33.5000
07/01/2008   Sale           1,543                 33.5000
07/01/2008   Sale           1,543                 33.5000


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Short         600           33.4666
CFD            Short         6710          33.4814
CFD            Short         20            33.6365
CFD            Short         4653          33.6609
CFD            Short         9762          33.6927
CFD            Short         4083          33.7314
CFD            Short         50689         33.7641
CFD            Long          274           33.4736
CFD            Long          708           33.4775
CFD            Long          1543          33.5
CFD            Long          3000          33.55
CFD            Long          400           33.5645
CFD            Long          6173          33.6714
CFD            Long          3259          33.6821
CFD            Long          3316          33.7347
CFD            Long          1810          33.7885

NB: The below transactions which were previously disclosed have been cancelled
Deal Date  Long/Short Number of Securities Price per unit (GBP)
07/01/2008 Long       1,543                33.5

(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                         09 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   500                    4,000.0000       EURO           20/03/2008
Option            Purchased   500                    3,400.0000       EURO           20/03/2008
Option            Purchased   400                    3,800.0000       EURO           20/06/2008
Option            Purchased   250                    3,200.0000       EURO           20/03/2008
Option            Purchased   250                    3,200.0000       EURO           20/03/2008
Option            Purchased   150                    4,000.0000       EURO           20/06/2008
Option            Purchased   -500                   3,600.0000       EURO           20/06/2008
Option            Purchased   -500                   3,400.0000       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