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               10 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     107,373,109     3.66%        271,763     0.01%
securities
(2) Derivatives    1,972,959     0.07%        563,873     0.02%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            110,346,068     3.76%        835,636     0.03%


(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      10,363               5.9700
Purchase      600                  6.1005
Purchase      955                  6.1146
Purchase      2,126                6.1146
Purchase      2,565                6.0615
Purchase      3,339                6.0324
Purchase      6,353                5.9700
Purchase      200                  6.0850
Purchase      10,087               6.0967
Purchase      15,900               6.0992
Purchase      17,000               5.9700
Purchase      48,892               6.0423
Purchase      171,853              6.0600
Purchase      119,986              6.0185
Purchase      20,035               6.0555
Sale          500                  5.9760
Sale          1,466                6.0800
Sale          2,096                6.0398
Sale          102,824              5.9700
Sale          13,742               6.0980
Sale          4,800                6.0373
Sale          5,987                6.0584
Sale          40,430               6.0558
Sale          7,505                5.9850
Sale          26,801               6.0464
Sale          22,828               6.0552
Sale          249,349              6.0403
Sale          21,957               6.0670
Sale          50,652               6.0451


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          500           5.976
CFD            Long          2096          6.0397
CFD            Long          249349        6.0403
CFD            Long          22828         6.0551
CFD            Long          5987          6.0583
CFD            Long          21957         6.0669
CFD            Short         8376          5.9682
CFD            Short         23862         5.9722
CFD            Short         119986        6.0185
CFD            Short         22283         6.03
CFD            Short         3339          6.0324
CFD            Short         14980         6.0355
CFD            Short         2565          6.0614
CFD            Short         34881         6.073
CFD            Short         35424         6.0772
CFD            Short         5805          6.0888
CFD            Short         15900         6.0991
CFD            Short         600           6.1005


(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                         13 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