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               08 October 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      109,567,087     3.74%        687,626     0.02%
securities
(2) Derivatives     2,038,514     0.07%        805,038     0.03%
(other than
options)
(3) Options and     2,085,020     0.07%      1,880,000     0.06%
agreements to
purchase/sell
Total             113,690,621     3.88%      3,372,664     0.11%


(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      982                  9.6550
Purchase      20,717               9.6550
Purchase      155                  9.5500
Purchase      21,283               9.5943
Purchase      1,813                9.6550
Purchase      1,565                9.6550
Purchase      1,322                9.5200
Purchase      1,322                9.5200
Purchase      11,972               9.5925
Purchase      1,078                9.6550
Purchase      36,639               9.6109
Purchase      16,268               9.6550
Purchase      623                  9.5200
Purchase      623                  9.5200
Purchase      513                  9.5200
Purchase      513                  9.5200
Purchase      380                  9.5200
Purchase      380                  9.5200
Purchase      300                  9.5847
Purchase      300                  9.5847
Purchase      175                  9.6550
Purchase      35,523               9.5975
Purchase      11,288               9.6201
Purchase      240,443              9.5973
Purchase      152,256              9.5925
Purchase      58,726               9.5761
Purchase      46,259               9.6080
Purchase      782                  9.5200
Purchase      9,674                9.6550
Purchase      782                  9.5200
Purchase      1,914                9.5564
Purchase      827                  9.5200
Purchase      2,300                9.5753
Purchase      5,985                9.5440
Purchase      5,253                9.5413
Purchase      4,158                9.5978
Purchase      4,158                9.5978
Purchase      11,972               9.5925
Purchase      2,983                9.6027
Purchase      2,310                9.6550
Purchase      827                  9.5200
Sale          33,807               9.6021
Sale          27,189               9.5913
Sale          12,747               9.6018
Sale          43,000               9.6000
Sale          747                  9.6550
Sale          15,000               9.6550
Sale          1,623                9.601476
Sale          2,000                9.5876
Sale          423                  9.605
Sale          62,076               9.5961
Sale          9,926                9.5905
Sale          9,631                9.6176
Sale          8,057                9.6550
Sale          6,600                7.6049
Sale          5,985                9.5450
Sale          3,686                9.6841
Sale          982                  Transfer
Sale          2,310                9.6550
Sale          155                  9.5450
Sale          1,914                9.5636
Sale          1,877                9.6107
Sale          1,813                9.6550
Sale          1,623                9.6015
Sale          1,078                9.6550
Sale          9,926                9.590485
Sale          423                  9.6050
Sale          175                  9.6550
Sale          3,362                9.5848


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          17806         9.5208
CFD            Long          16069         9.5413
CFD            Long          1914          9.5635
CFD            Long          3362          9.5848
CFD            Long          2000          9.5876
CFD            Long          33807         9.6021
CFD            Long          3686          9.6841
CFD            Short         1914          9.5564
CFD            Short         6787          9.5654
CFD            Short         2300          9.5753
CFD            Short         152256        9.5924
CFD            Short         240443        9.5972
CFD            Short         35523         9.5975
CFD            Short         36639         9.6108
CFD            Short         19388         9.6137
CFD            Short         10826         9.6202


(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                         09 October 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   500,020                782.0000         EURO           22/03/2010
Option            Purchased   460,000                782.0000         EURO           22/03/2010
Option            Purchased   525,000                720.0000         EURO           19/03/2010
Option            Purchased   500,000                720.0000         EURO           18/12/2009
Option            Purchased   100,000                920.0000         EURO           19/03/2010
Option            Sold        -300,000               960.0000         EURO           18/12/2009
Option            Sold        -500,000               800.0000         EURO           18/12/2009
Option            Sold        -1,080,000             800.0000         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