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               22 July 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     107,771,085     3.67%        540,958     0.02%
securities
(2) Derivatives    1,786,156     0.06%        884,724     0.03%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            110,557,241     3.77%      1,425,682     0.05%


(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      26,790               7.0633
Purchase      3,300                7.1833
Purchase      500                  7.1989
Purchase      13,261               6.9500
Purchase      5,867                6.8817
Purchase      26,050               7.2200
Purchase      8,513                7.0994
Purchase      35,000               6.9274
Purchase      108,088              7.1878
Sale          1,794                7.2090
Sale          1,496                7.2194
Sale          1,300                6.9760
Sale          2,715                7.0951
Sale          1,236                7.2496
Sale          2,871                7.2090
Sale          2,922                7.0951
Sale          3,135                7.0951
Sale          1,100                7.2066
Sale          2,630                7.0951
Sale          5,900                7.2408
Sale          9,675                7.2090
Sale          226,470              7.0504
Sale          9,722                7.1171
Sale          20,460               7.2500
Sale          30,441               7.0789
Sale          32,289               7.0658
Sale          38,156               7.1627
Sale          47,637               7.2020
Sale          51,550               7.1431
Sale          194,892              7.1286
Sale          8,393                7.2500


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          1300          6.976
CFD            Long          37587         7.0157
CFD            Long          24148         7.0291
CFD            Long          226470        7.0504
CFD            Long          32289         7.0657
CFD            Long          194892        7.1286
CFD            Long          1100          7.2066
CFD            Long          1496          7.2194
CFD            Long          5900          7.2408
CFD            Long          1236          7.2495
CFD            Short         18682         7.0088
CFD            Short         9722          7.1171
CFD            Short         3300          7.1833
CFD            Short         108088        7.1877
CFD            Short         500           7.1988
CFD            Short         49083         7.2135
CFD            Short         30754         7.2151
CFD            Short         26050         7.2199


(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                         23 July 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   400,000                720.0000         EURO           18/09/2009
Option            Purchased   600,000                720.0000         EURO           18/09/2009


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