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               09 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     107,758,784     3.67%        536,755     0.02%
securities
(2) Derivatives    2,094,184     0.07%        699,814     0.02%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            110,852,968     3.78%      1,236,569     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      8,198                6.0980
Purchase      1,072                6.0896
Purchase      1,255                6.0690
Purchase      2,000                6.0037
Purchase      2,998                6.0980
Purchase      3,351                5.9859
Purchase      4,287                6.0589
Purchase      648                  6.0980
Purchase      4,400                6.0503
Purchase      7,482,917            3.5698
Purchase      16,378               6.0800
Purchase      7,482,917            3.5698
Purchase      38,138               6.0254
Purchase      361,048              6.0644
Sale          3,351                5.9991
Sale          7,482,917            3.5698
Sale          1,900                6.0568
Sale          7,482,917            3.5698
Sale          2,321                5.9805
Sale          2,606                6.0980
Sale          6,544                6.0925
Sale          108,551              6.0837
Sale          20,708               6.0440
Sale          4,112                6.0802
Sale          40,465               6.0980
Sale          38,313               6.0770
Sale          26,500               6.0980
Sale          9,000                6.0662
Sale          10,000               6.1072
Sale          3,141                6.0980

NB: The below transactions which were previously disclosed have been cancelled
Deal Date    Purchase/Sale     Number of Securities      Price per unit (GBP)
08/07/2009   Sale              943,900                   Transfer
08/07/2009   Purchase          943,900                   Transfer

(b)  Derivatives transactions  (other than options)
Product name,  Long/Short      Number of       Price per
(e.g. CFD)     (Note 6)        Securities      unit (GBP)
CFD            Long            5507            5.9906
CFD            Long            3351            5.999
CFD            Long            1900            6.0568
CFD            Long            9000            6.0661
CFD            Long            4112            6.0801
CFD            Long            108551          6.0837
CFD            Long            6544            6.0925
CFD            Long            10000           6.1072
CFD            Short           50000           5.9639
CFD            Short           2321            5.9805
CFD            Short           3351            5.9858
CFD            Short           14975           6.0009
CFD            Short           38138           6.0253
CFD            Short           4400            6.0503
CFD            Short           4287            6.0589
CFD            Short           361048          6.0644
CFD            Short           1072            6.0896


NB: The below transactions which were previously disclosed have been cancelled
Deal Date     Long/Short     Number of Securities       Price per unit (GBP)
08/07/2009    Short          50,000                     5.9639

(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                         10 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