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               14 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     108,093,736     3.69%        294,119     0.01%
securities
(2) Derivatives    1,940,272     0.07%      1,102,781     0.04%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            111,034,008     3.79%      1,396,900     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      28,696               6.0787
Purchase      6,004                6.1430
Purchase      5,146                6.0990
Purchase      161,529              6.1332
Purchase      9,781                6.1047
Purchase      3,483                6.0465
Purchase      15,526               6.1085
Purchase      7,700                6.1327
Purchase      2,465                6.1015
Purchase      8,245                6.1440
Purchase      1,100                6.1699
Purchase      32,593               6.1430
Purchase      56,756               6.1121
Purchase      318                  5.9700
Purchase      146,470              6.1168
Sale          800                  5.9620
Sale          5,146                6.0928
Sale          318                  5.9700
Sale          3,014                6.1229
Sale          7,830                6.1061
Sale          100                  6.1893
Sale          8,245                6.1440
Sale          12,819               6.1071
Sale          20,837               5.9540
Sale          22,300               6.0147
Sale          30,347               6.0750
Sale          84,008               6.1441
Sale          100,000              6.0528
Sale          8,245                6.1430


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          800           5.962
CFD            Long          22300         6.0146
CFD            Long          100000        6.0527
CFD            Long          3432          6.092
CFD            Long          5146          6.0928
CFD            Long          7830          6.106
CFD            Long          12819         6.1071
CFD            Long          3014          6.1228
CFD            Long          1616          6.1237
CFD            Long          100           6.1893
CFD            Short         50000         5.8357
CFD            Short         5081          6.0142
CFD            Short         5146          6.0989
CFD            Short         2465          6.1014
CFD            Short         3140          6.1066
CFD            Short         15526         6.1084
CFD            Short         146470        6.1167
CFD            Short         7700          6.1327
CFD            Short         161529        6.1331
CFD            Short         1100          6.1699


(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                         15 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