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               25 June 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     105,115,097     3.58%        788,144     0.03%
securities
(2) Derivatives    2,310,021     0.08%        304,432     0.01%
(other than
options)
(3) Options and   15,965,834     0.54%     14,965,834     0.51%
agreements to
purchase/sell
Total            123,390,952     4.21%     16,058,410     0.55%


(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      8,890                 6.5929
Purchase      1,298                 6.6920
Purchase      1,900                 6.5779
Purchase      1,900                 6.5779
Purchase      1,910                 6.5779
Purchase      1,980                 6.5929
Purchase      2,100                 6.5952
Purchase      2,770                 6.5929
Purchase      2,960                 6.5929
Purchase      3,442                 6.6797
Purchase      4,464                 6.6325
Purchase      4,530                 6.5779
Purchase      1,258                 6.7813
Purchase      5,346                 6.6920
Purchase      9,890                 6.7480
Purchase      14,456                6.6920
Purchase      108,989               6.6415
Purchase      44,586                6.7070
Purchase      40,028                6.6087
Purchase      24,719                6.6633
Purchase      10,360                6.6057
Sale          31,964                6.6709
Sale          9,900                 6.8054
Sale          1,790                 6.7790
Sale          107,971               6.6675
Sale          56,248                6.6920
Sale          54,943                6.6751
Sale          10,672                6.6920
Sale          3,108                 6.6505
Sale          209,052               6.7082
Sale          13,125                6.6920
Sale          5,700                 6.7629
Sale          12,000                6.8129
Sale          13,125                6.6920
Sale          3,784                 6.6920
Sale          13,308                6.6920
Sale          4,464                 6.6090
Sale          2,100                 6.7106

(b)  Derivatives transactions  (other than options)
Product name,  Long/Short      Number of       Price per
(e.g. CFD)     (Note 6)        Securities      unit (GBP)
CFD            Long            8733           6.5957
CFD            Long            4464           6.609
CFD            Long            3108           6.6504
CFD            Long            107971         6.6674
CFD            Long            15256          6.6783
CFD            Long            1947           6.6821
CFD            Long            163353         6.7029
CFD            Long            2100           6.7106
CFD            Long            7843           6.7126
CFD            Long            37856          6.7299
CFD            Long            5700           6.7629
CFD            Long            67909          6.7786
CFD            Long            1790           6.7789
CFD            Long            9900           6.8054
CFD            Short           47590          6.5708
CFD            Short           2100           6.5951
CFD            Short           10360          6.6056
CFD            Short           4464           6.6325
CFD            Short           24719          6.6633
CFD            Short           3442           6.6797
CFD            Short           52168          6.6906
CFD            Short           9231           6.7284
CFD            Short           9975           6.756
CFD            Short           17060          6.7621
CFD            Short           1258           6.7812

(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                         26 June 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
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


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk