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               16 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     107,816,199     3.68%        548,510     0.02%
securities
(2) Derivatives    1,959,687     0.07%        819,252     0.03%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            110,775,886     3.78%      1,367,762     0.05%


(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      15,552               6.1430
Purchase      600                  6.7391
Purchase      3,497                6.6660
Purchase      3,785                6.6350
Purchase      9,186                6.6350
Purchase      20,663               6.6588
Purchase      41,126               6.7188
Purchase      41,785               6.6238
Purchase      60,224               6.6194
Purchase      182,898              6.6527
Sale          6,776                Transfer
Sale          400                  6.7442
Sale          182,898              6.6527
Sale          1,136                6.7165
Sale          1,180                6.5408
Sale          1,502                6.6529
Sale          2,000                6.5928
Sale          3,505                6.6583
Sale          15,552               6.1430
Sale          5,946                6.5562
Sale          42,066               6.6785
Sale          8,200                6.7019
Sale          200                  6.6310
Sale          75,000               6.6330
Sale          230,578              6.6114
Sale          15,552               6.1430
Sale          28,817               6.7073
Sale          50,000               6.5595
Sale          45,265               6.6308
Sale          85,927               6.6497


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          2000          6.5928
CFD            Long          230578        6.6114
CFD            Long          20531         6.6264
CFD            Long          200           6.631
CFD            Long          75000         6.633
CFD            Long          2877          6.6405
CFD            Long          3505          6.6582
CFD            Long          11239         6.6728
CFD            Long          5828          6.6762
CFD            Long          28817         6.7072
CFD            Long          1136          6.7164
CFD            Long          400           6.7442
CFD            Short         2002          6.5629
CFD            Short         10090         6.5646
CFD            Short         3947          6.5778
CFD            Short         6471          6.5779
CFD            Short         41030         6.6499
CFD            Short         20663         6.6588
CFD            Short         3497          6.666
CFD            Short         41126         6.7188
CFD            Short         600           6.7391


(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                         17 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