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               06 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     107,403,439     3.66%        893,645     0.03%
securities
(2) Derivatives    2,476,390     0.08%        298,912     0.01%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            110,879,829     3.78%      1,192,557     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      161,681              6.0591
Purchase      1,800                6.2350
Purchase      1,842                6.0944
Purchase      1,911                6.1473
Purchase      2,855                6.1724
Purchase      2,941                6.1056
Purchase      4,548                6.1167
Purchase      4,600                6.1842
Purchase      10,000               6.2500
Purchase      10,365               6.0600
Purchase      11,763               6.1324
Purchase      150,692              6.2101
Purchase      1,500,989            6.5480
Purchase      554                  6.0930
Purchase      24,668               6.0643
Purchase      57,413               6.5480
Purchase      54,846               6.1540
Purchase      14,782               6.1540
Purchase      54,000               6.0600
Purchase      46,322               6.1540
Purchase      43,988               6.1287
Purchase      27,293               6.1577
Sale          500                  6.0730
Sale          1,311                6.2417
Sale          57,413               6.5480
Sale          2,003                6.1122
Sale          2,623                6.2894
Sale          5,500                6.1218
Sale          149,735              6.1950
Sale          24,477               6.1646
Sale          11,884               6.0600
Sale          10,365               6.0600
Sale          15,976               6.1646
Sale          88,780               6.1646
Sale          95,332               6.2073
Sale          20                   6.4140
Sale          61,053               6.2030
Sale          280,548              6.1904
Sale          14,321               6.1429
Sale          13,220               6.2132
Sale          567                  6.4146
Sale          600                  6.1520
Sale          9,400                6.1593

(b)  Derivatives transactions  (other than options)
Product name,  Long/Short      Number of       Price per
(e.g. CFD)     (Note 6)        Securities      unit (GBP)
CFD            Long            3206            6.06
CFD            Long            5500            6.1218
CFD            Long            600             6.152
CFD            Long            9400            6.1593
CFD            Long            280548          6.1903
CFD            Long            61053           6.203
CFD            Long            95332           6.2072
CFD            Long            1311            6.2417
CFD            Long            20              6.414
CFD            Long            567             6.4146
CFD            Short           161681          6.059
CFD            Short           4548            6.1167
CFD            Short           21876           6.1263
CFD            Short           87976           6.1287
CFD            Short           5058            6.1383
CFD            Short           2855            6.1723
CFD            Short           4600            6.1841
CFD            Short           1800            6.235

NB: The below transactions which were previously disclosed have been cancelled
Deal Date     Long/Short     Number of Securities     Price per unit (GBP)
06/07/2009    Short          43,988                   6.1287

(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)
Call Optio      Purchasing        57413              3.5698    European       18/09/2009    -2.974
Call Optio      Selling           57413              3.5698    European       18/09/2009    -2.974
Put Option      Purchasing        57413              3.5698    European       18/09/2009    -0.039
Put Option      Selling           57413              3.5698    European       18/09/2009    -0.039

(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                         07 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