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               14 October 2009

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      111,091,216      3.79%       594,738     0.02%
securities
(2) Derivatives     2,469,272      0.08%       985,447     0.03%
(other than
options)
(3) Options and     1,125,000      0.04%     1,880,000     0.06%
agreements to
purchase/sell
Total             114,685,488      3.91%     3,460,185     0.12%


(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      5,770                10.0774
Purchase      4,203                10.0774
Purchase      4,203                10.0774
Purchase      4,359                10.0774
Purchase      4,359                10.0774
Purchase      4,396                9.9992
Purchase      5,069                10.0774
Purchase      5,069                10.0774
Purchase      9,117                10.0774
Purchase      5,441                10.0774
Purchase      3,816                10.0774
Purchase      5,770                10.0774
Purchase      5,888                10.0774
Purchase      263,495              10.0463
Purchase      6,979                10.0450
Purchase      7,416                10.1191
Purchase      7,458                10.3100
Purchase      9,078                10.0774
Purchase      9,078                10.0774
Purchase      5,441                10.0774
Purchase      1,993                10.0774
Purchase      1,081                10.3200
Purchase      1,089                10.1400
Purchase      1,499                1033.0000
Purchase      1,536                10.0200
Purchase      1,545                10.3100
Purchase      1,671                10.0774
Purchase      1,671                10.0774
Purchase      1,740                10.0774
Purchase      4,143                10.0774
Purchase      1,993                10.0774
Purchase      4,143                10.0774
Purchase      2,000                10.0543
Purchase      2,060                10.0774
Purchase      2,060                10.0774
Purchase      2,528                10.0700
Purchase      3,355                10.0774
Purchase      3,355                10.0774
Purchase      3,816                10.0774
Purchase      5,888                10.0774
Purchase      1,740                10.0774
Purchase      34,179               10.0774
Purchase      15,757               9.9580
Purchase      15,757               9.9580
Purchase      18,504               10.2700
Purchase      20,430               10.0774
Purchase      20,430               10.0774
Purchase      22,761               10.0774
Purchase      22,761               10.0774
Purchase      14,879               10.0793
Purchase      9,117                10.0774
Purchase      32,277               10.0774
Purchase      34,179               10.0774
Purchase      38,000               10.3100
Purchase      42,138               10.0508
Purchase      43,678               10.0094
Purchase      58,318               10.0774
Purchase      58,318               10.0774
Purchase      68,815               10.1295
Purchase      32,277               10.0774
Purchase      10,956               10.0774
Purchase      9,509                10.0774
Purchase      10,000               10.1108
Purchase      9,248                10.0774
Purchase      14,239               10.0774
Purchase      9,509                10.0774
Purchase      10,038               10.0774
Purchase      10,038               10.0774
Purchase      10,956               10.0774
Purchase      14,188               10.0774
Purchase      14,188               10.0774
Purchase      9,248                10.0774
Purchase      14,239               10.0774
Sale          1,081                10.3200
Sale          1,267                10.3100
Sale          80,839               10.2002
Sale          1,500                10.1100
Sale          1,309                10.3100
Sale          1,150                10.3100
Sale          90,000               10.3100
Sale          1,081                10.3100
Sale          1,045                10.3100
Sale          1,000                10.1000
Sale          523                  10.3100
Sale          246                  10.0300
Sale          198,749              10.2411
Sale          7,930                10.3100
Sale          5,155                10.3100
Sale          17,000               9.9485
Sale          12,878               10.1348
Sale          120                  9.9613
Sale          6,900                8.1325
Sale          50,803               10.0726
Sale          2,254                9.8916
Sale          67,787               10.1028
Sale          43,000               10.0338
Sale          8,309                10.3100
Sale          1,915                10.3100
Sale          2,711                10.3100
Sale          60,000               10.0333
Sale          1,545                10.2200
Sale          2,465                10.0820


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          131396        10.0094
CFD            Long          36712         10.0325
CFD            Long          43000         10.0338
CFD            Long          5776          10.0347
CFD            Long          36060         10.0542
CFD            Long          53936         10.0559
CFD            Long          67787         10.1028
CFD            Long          198749        10.2411
CFD            Long          17392         10.2795
CFD            Long          8009          10.2946
CFD            Long          2254          9.8916
CFD            Long          12132         9.9176
CFD            Long          17000         9.9485
CFD            Long          120           9.9612
CFD            Long          13118         9.9623
CFD            Long          2259          9.9719
CFD            Long          3037          9.9919
CFD            Short         6979          10.045
CFD            Short         263495        10.0462
CFD            Short         2000          10.0543
CFD            Short         14879         10.0793
CFD            Short         68815         10.1294

(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)
Call Optio          75900               8.13254
Put Optio           460000              782
Put Optio           500020              782

(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                         15 October 2009
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   525,000                720.0000         EURO           19/03/2010
Option            Purchased   500,000                720.0000         EURO           18/12/2009
Option            Purchased   100,000                920.0000         EURO           19/03/2010
Option            Sold        -300,000               960.0000         EURO           18/12/2009
Option            Sold        -500,000               800.0000         EURO           18/12/2009
Option            Sold        -1,080,000             800.0000         EURO           19/03/2010

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