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 September 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     107,590,144     3.67%        837,885     0.03%
securities
(2) Derivatives    1,624,950     0.06%        528,375     0.02%
(other than
options)
(3) Options and    1,500,000     0.05%      5,719,000     0.19%
agreements to
purchase/sell
Total            110,715,094     3.77%      7,085,260     0.24%


(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      1,995                7.7321
Purchase      5,652                7.9600
Purchase      28                   7.7000
Purchase      4,280                7.7321
Purchase      3,459                7.7321
Purchase      3,304                7.7050
Purchase      2,786                7.8742
Purchase      2,786                7.8742
Purchase      2,580                7.7321
Purchase      2,150                7.7321
Purchase      6,132                7.7321
Purchase      2,051                7.7321
Purchase      6,038                7.7321
Purchase      1,993                7.7321
Purchase      1,509                7.7321
Purchase      1,500                7.7048
Purchase      1,400                7.7532
Purchase      1,400                7.7000
Purchase      1,200                7.8550
Purchase      1,136                7.7000
Purchase      691                  7.7321
Purchase      130                  7.7900
Purchase      2,080                7.7321
Purchase      19,400               7.7580
Purchase      76,806               7.7446
Purchase      61,582               7.7410
Purchase      35,000               7.7900
Purchase      32,115               7.7688
Purchase      30,163               7.7608
Purchase      5,200                8.1792
Purchase      23,600               7.7657
Purchase      6,754                7.7321
Purchase      18,802               7.7730
Purchase      8,074                7.7366
Purchase      13,675               7.7321
Purchase      12,500               7.7100
Purchase      10,000               7.8000
Purchase      8,784                7.7321
Sale          149,943              7.7552
Sale          150                  7.8250
Sale          69,021               7.7376
Sale          7,700                7.7374
Sale          50,000               7.7539
Sale          1,300                7.7437
Sale          23,600               7.7657
Sale          4,946                7.9600
Sale          17,337               7.7555
Sale          28,000               7.7716
Sale          3,800                7.7500
Sale          18,802               7.8074
Sale          37,313               7.7594

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          69021         7.7375
CFD            Long          1300          7.7437
CFD            Long          149943        7.7552
CFD            Long          28000         7.7716
CFD            Long          18802         7.8074
CFD            Short         61582         7.7409
CFD            Short         76806         7.7446
CFD            Short         1400          7.7531
CFD            Short         19400         7.758
CFD            Short         18802         7.773
CFD            Short         23906         7.7917

(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 September 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   -665,000               800.0000         EURO           19/03/2010
Option            Purchased   -4,554,000             7.0760           EURO           25/08/2010
Option            Purchased   750,000                720.0000         EURO           18/09/2009
Option            Purchased   500,000                720.0000         EURO           18/12/2009
Option            Purchased   250,000                720.0000         EURO           19/03/2010
Option            Purchased   -500,000               800.0000         EURO           18/12/2009

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