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               13 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     107,893,986     3.68%        234,172     0.01%
securities
(2) Derivatives    1,958,386     0.07%        929,795     0.03%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            110,852,372     3.78%      1,163,967     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      45,000               5.7120
Purchase      1,882                5.8490
Purchase      2,321                5.7032
Purchase      3,191                5.7479
Purchase      4,525                5.7530
Purchase      7,750                5.8010
Purchase      8,245                5.8300
Purchase      8,245                5.8220
Purchase      12,078               5.8139
Purchase      19,000               5.8300
Purchase      31,251               5.8110
Purchase      1,280                5.8490
Purchase      49,936               6.0446
Purchase      50,000               5.8357
Purchase      58,027               5.7537
Purchase      96,330               5.8300
Purchase      59,570               6.0411
Purchase      1,276                5.6806
Purchase      66,705               5.7607
Purchase      1,230                5.8220
Purchase      1,050                5.8402
Purchase      78,012               5.8392
Purchase      280,826              5.7749
Purchase      125,000              5.7424
Sale          800                  6.0760
Sale          7,114                6.1000
Sale          6,951                5.8306
Sale          5,900                5.9761
Sale          5,400                5.8725
Sale          795                  5.8710
Sale          5,102                5.9541
Sale          1,280                5.7240
Sale          5,200                5.8846
Sale          8,245                5.8220
Sale          39,307               5.8767
Sale          10,363               5.7036
Sale          59,547               6.0535
Sale          14,007               5.6958
Sale          19,300               5.7139
Sale          29,208               5.7298
Sale          1,612                5.8249
Sale          48,651               6.0549
Sale          75,000               5.8834
Sale          52,540               5.8077
Sale          57,145               5.7464
Sale          795                  5.8730


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          2321          5.7032
CFD            Long          19300         5.7138
CFD            Long          29208         5.7298
CFD            Long          1017          5.8299
CFD            Long          6951          5.8306
CFD            Long          480           5.856
CFD            Long          75000         5.8833
CFD            Long          1892          5.6763
CFD            Short         6552          5.7124
CFD            Short         125000        5.7424
CFD            Short         4525          5.753
CFD            Short         280826        5.7749
CFD            Short         7750          5.801
CFD            Short         31251         5.8109
CFD            Short         12078         5.8138
CFD            Short         50000         5.8357



(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                         14 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