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 September 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     109,232,527     3.72%      1,082,380     0.04%
securities
(2) Derivatives    1,866,157     0.06%        349,377     0.01%
(other than
options)
(3) Options and    1,500,000     0.05%      1,510,000     0.05%
agreements to
purchase/sell
Total            112,598,684     3.84%      2,941,757     0.10%

(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      1,348                9.2850
Purchase      6,055                9.3184
Purchase      4,900                9.2081
Purchase      110                  9.2850
Purchase      4,900                9.2081
Purchase      4,350                9.1453
Purchase      3,171                9.0112
Purchase      12,447               8.9950
Purchase      12,500               8.9827
Purchase      6,055                9.3184
Purchase      14,397               9.2800
Purchase      9,548                9.2891
Purchase      17,412               9.0562
Purchase      1,300                9.2564
Purchase      20,000               9.1200
Purchase      1,000                9.3065
Purchase      26,665               9.1707
Purchase      30,157               9.2852
Purchase      620                  9.1100
Purchase      37,500               8.9293
Purchase      430                  9.1747
Purchase      49,982               9.2220
Sale          1,348                9.3200
Sale          1,711                9.2850
Sale          2,917                8.9950
Sale          4,931                9.1300
Sale          1,400                9.1096
Sale          13,390               9.1424
Sale          37,688               9.3261
Sale          34,570               9.1424
Sale          21,616               9.2257
Sale          18,188               9.1786
Sale          15,000               9.1129
Sale          9,468                9.2840
Sale          14,397               9.2800
Sale          5,204                8.9959
Sale          13,000               9.0923
Sale          11,674               9.0730
Sale          100,112              9.0528
Sale          10,903               9.2850
Sale          7,162                9.2850
Sale          7,000                9.2850
Sale          14,397               9.2850

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          696           8.9403
CFD            Long          3246          9.0185
CFD            Long          100112        9.0528
CFD            Long          24275         9.0745
CFD            Long          1400          9.1096
CFD            Long          18188         9.1786
CFD            Long          6738          9.1848
CFD            Long          9468          9.284
CFD            Long          37688         9.326
CFD            Short         37500         8.9293
CFD            Short         12500         8.9827
CFD            Short         26665         9.1706
CFD            Short         49982         9.222
CFD            Short         1300          9.2564
CFD            Short         1194          9.2826
CFD            Short         30157         9.2852
CFD            Short         9548          9.289
CFD            Short         1000          9.3065

(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 September 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            Written     -1,010,000             800.0000         EURO           19/03/2010
Option            Written     -500,000               800.0000         EURO           18/12/2009
Option            Written     475,000                720.0000         EURO           18/09/2009
Option            Written     500,000                720.0000         EURO           18/12/2009
Option            Written     525,000                720.0000         EURO           19/03/2010

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