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               29 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     105,124,152     3.58%        972,503     0.03%
securities
(2) Derivatives    2,430,971     0.08%        230,245     0.01%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            108,555,123     3.70%      1,202,748     0.04%


(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      9,000                6.8315
Purchase      614                  6.8574
Purchase      700                  6.7587
Purchase      100                  6.7358
Purchase      1,339                6.7494
Purchase      2,540                6.6930
Purchase      3,785                6.7210
Purchase      3,820                6.6930
Purchase      4,100                6.8290
Purchase      6,990                6.6930
Purchase      8,992                6.7210
Purchase      13,070               6.6930
Purchase      179,106              6.7547
Purchase      121,000              6.8375
Purchase      24,811               6.8600
Purchase      101,838              6.7938
Purchase      27,994               6.7328
Purchase      45,000               6.9310
Purchase      21,700               6.7388
Sale          53,500               6.7024
Sale          123,044              6.7230
Sale          2,200                6.7130
Sale          2,500                6.7386
Sale          100,766              6.7894
Sale          3,000                6.8550
Sale          10,000               6.7293
Sale          59,000               6.7321
Sale          6,892                6.7341
Sale          613                  6.7376
Sale          202,765              6.7613
Sale          24,542               6.7210
Sale          14,350               6.7877
Sale          3,136                6.7210

(b)  Derivatives transactions  (other than options)
Product name,  Long/Short      Number of       Price per
(e.g. CFD)     (Note 6)        Securities      unit (GBP)
CFD            Long            53500           6.7024
CFD            Long            2200            6.713
CFD            Long            123044          6.723
CFD            Long            134296          6.7286
CFD            Long            10000           6.7293
CFD            Long            613             6.7375
CFD            Long            2500            6.7386
CFD            Long            100766          6.7893
CFD            Long            68469           6.8252
CFD            Short           100             6.7358
CFD            Short           175204          6.752
CFD            Short           700             6.7587
CFD            Short           101838          6.7937
CFD            Short           4100            6.829
CFD            Short           9000            6.8315
CFD            Short           121000          6.8374
CFD            Short           614             6.8574
CFD            Short           9169            6.8605
CFD            Short           2648            6.8702
CFD            Short           3902            6.8771

(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                         30 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

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