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               02 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      27,307,283      2.81%       603,174      0.06%
securities
(2) Derivatives      172,903      0.02%       167,090      0.02%
(other than
options)
(3) Options and        1,550      0.00%          500       0.00%
agreements to
purchase/sell
Total             27,481,736      2.83%       770,764      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      69,480               35.1097
Purchase      5,345                34.8081
Purchase      5,011                34.7666
Purchase      2,468                34.8723
Purchase      16,670               34.6243
Purchase      226                  34.9800
Purchase      1,131                34.7828
Purchase      2,400                34.6806
Purchase      42,825               34.7178
Purchase      17,255               36.3665
Purchase      69,480               35.1097
Purchase      11,000               34.6500
Purchase      1,334                34.7236
Purchase      2,123                34.6566
Purchase      4,531                35.0828
Purchase      4,531                35.0828
Purchase      14,439               35.0381
Purchase      68,239               34.6970
Purchase      8,744                34.7338
Purchase      18,479               34.7113
Purchase      47,347               35.1885
Purchase      2,804                34.6500
Sale          16,670               34.6243
Sale          11,000               34.6500
Sale          14,439               35.0349
Sale          2,468                34.8723
Sale          4,531                35.0828
Sale          226                  34.9800
Sale          2,400                34.6806
Sale          5,011                34.7666
Sale          42,825               34.7146
Sale          2,400                34.6806
Sale          1,334                34.7236
Sale          68,239               34.6970
Sale          2,465                34.7507
Sale          69,480               35.1097
Sale          2,123                34.6500
Sale          8,744                34.7272
Sale          1,131                34.7828
Sale          5,345                34.8015
Sale          68,239               34.6970
Sale          47,347               35.1885
Sale          17,255               36.3665

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Short         2123          34.6565
CFD            Short         5345          34.8081
CFD            Short         7277          34.9004
CFD            Short         226           34.98
CFD            Short         4531          35.0828
CFD            Short         7162          35.1779
CFD            Short         47347         35.1885
CFD            Long          16670         34.6243
CFD            Long          5030          34.6745
CFD            Long          2400          34.6806
CFD            Long          37795         34.7199
CFD            Long          8744          34.7271

(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                         03 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                    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
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