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               30 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     105,693,446     3.60%        722,685     0.02%
securities
(2) Derivatives    2,254,975     0.08%        267,227     0.01%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            108,948,421     3.71%        989,912     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      319,348               6.6187
Purchase      4,665                 6.6820
Purchase      980                   6.6820
Purchase      990                   6.6710
Purchase      1,029                 6.6820
Purchase      1,041                 6.5730
Purchase      1,200                 6.7570
Purchase      700                   6.6960
Purchase      1,706                 6.5730
Purchase      668                   6.5730
Purchase      2,308                 6.7924
Purchase      2,490                 6.5730
Purchase      2,532                 6.6820
Purchase      3,090                 6.5730
Purchase      4,050                 6.6820
Purchase      4,614                 6.5730
Purchase      13,536                6.6820
Purchase      24,175                6.5730
Purchase      13,600                6.5730
Purchase      15,026                6.5730
Purchase      15,868                6.7550
Purchase      17,200                6.7265
Purchase      18,117                6.7550
Purchase      19,546                6.7084
Purchase      800                   6.5669
Purchase      21,049                6.6820
Purchase      1,716                 6.7793
Purchase      24,301                6.6820
Purchase      25,540                6.5730
Purchase      32,150                6.7265
Purchase      387                   6.5730
Purchase      400                   6.6273
Purchase      430                   6.5730
Purchase      20,192                6.6820
Purchase      10,106                6.5730
Purchase      53,761                6.6820
Purchase      48,592                6.8163
Purchase      1,597                 6.5730
Purchase      5,297                 6.6820
Purchase      36,633                6.7542
Purchase      36,633                6.7542
Purchase      33,032                6.5730
Purchase      60,129                6.7088
Purchase      61,944                6.7550
Purchase      32,745                6.7865
Purchase      11,036                6.5730
Purchase      10,347                6.6820
Purchase      39,251                6.5730
Purchase      79,018                6.5730
Purchase      118,875               6.8104
Purchase      5,488                 6.6820
Purchase      6,260                 6.7265
Purchase      159,118               6.6820
Purchase      7,408                 6.7016
Purchase      89,626                6.5730
Purchase      9,056                 6.7550
Purchase      9,258                 6.5730
Purchase      9,400                 6.7265
Purchase      9,428                 6.6820
Sale          103,099               6.5730
Sale          30,159                6.5730
Sale          24,102                6.5730
Sale          13,644                6.5730
Sale          25,359                6.5730
Sale          100,200               6.6434
Sale          25,535                6.5730
Sale          89,626                6.5730
Sale          25,540                6.5730
Sale          27,000                6.7628
Sale          105,966               6.7240
Sale          1,000                 6.7850
Sale          7,049                 6.5730
Sale          3,613                 6.5730
Sale          7,853                 6.5730
Sale          8,992                 6.8145
Sale          1,900                 6.5950
Sale          1,520                 6.8550
Sale          1,447                 6.7140
Sale          39,251                6.5730
Sale          10,000                6.7709
Sale          30,287                6.7787
Sale          893                   6.5730
Sale          810                   6.5730
Sale          625                   6.8416
Sale          300                   6.6299
Sale          237                   6.5730
Sale          62                    6.5730
Sale          56                    6.5730
Sale          52,932                6.7488
Sale          1,313                 6.6717


(b)  Derivatives transactions  (other than options)
Product name,  Long/Short      Number of       Price per
(e.g. CFD)     (Note 6)        Securities      unit (GBP)
CFD             Long              1900         6.595
CFD             Long              300          6.6299
CFD             Long              100200       6.6434
CFD             Long              35679        6.6565
CFD             Long              1313         6.6716
CFD             Long              1447         6.7139
CFD             Long              6292         6.749
CFD             Long              70287        6.7582
CFD             Long              5695         6.7605
CFD             Long              40827        6.7614
CFD             Long              10000        6.7709
CFD             Long              2350         6.7744
CFD             Long              1000         6.785
CFD             Long              625          6.8415
CFD             Long              1520         6.8549
CFD             Short             259309       6.5874
CFD             Short             400          6.6273
CFD             Short             990          6.671
CFD             Short             700          6.696
CFD             Short             60039        6.7538
CFD             Short             1200         6.757
CFD             Short             2308         6.7924
CFD             Short             118875       6.8103
CFD             Short             48592        6.8163

(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                         01 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