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               23 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     107,979,888     3.68%        665,094     0.02%
securities
(2) Derivatives    1,787,566     0.06%      1,163,070     0.04%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            110,767,454     3.78%      1,828,164     0.06%


(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      6,627                7.5430
Purchase      989                 7.5744
Purchase      1,559                7.6425
Purchase      2,050                7.3313
Purchase      2,576                7.6113
Purchase      2,714                7.3211
Purchase      2,996                7.7890
Purchase      3,781                7.6470
Purchase      3,995                7.7890
Purchase      4,400                7.3759
Purchase      5,300                7.5761
Purchase      5,900                7.4385
Purchase      219,370              7.5554
Purchase      8,393                7.3292
Purchase      28,200               7.1000
Purchase      192,935              7.5298
Purchase      16,320               7.7890
Purchase      105,204              7.5268
Purchase      52,014               7.6989
Purchase      45,641               7.5094
Sale          2,714                7.3389
Sale          88,965               7.6405
Sale          2,706                7.3520
Sale          100,000              7.4800
Sale          87,511               7.3663
Sale          101,739              7.6973
Sale          1,643                7.5934
Sale          1,442                7.6536
Sale          1,380                7.5949
Sale          1,000                7.7453
Sale          2,050                7.3100
Sale          7,748                7.7890
Sale          64,136               7.7325
Sale          4,329                7.3520
Sale          4,400                7.4678
Sale          35,379               7.5386
Sale          374                  7.6705
Sale          30,000               7.3700
Sale          8,377                7.5579
Sale          25,148               7.7890
Sale          10,111               7.5544
Sale          11,758               7.5556
Sale          14,590               7.3520
Sale          15,294               7.7890
Sale          3,503                7.5167


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          2714          7.3388
CFD            Long          87511         7.3663
CFD            Long          1442          7.6536
CFD            Long          374           7.6705
CFD            Long          101739        7.6973
CFD            Long          1000          7.7452
CFD            Short         2714          7.321
CFD            Short         1951          7.4246
CFD            Short         5900          7.4384
CFD            Short         36387         7.439
CFD            Short         27849         7.455
CFD            Short         39672         7.4666
CFD            Short         4334          7.4687
CFD            Short         219370        7.5553
CFD            Short         5300          7.5761
CFD            Short         1559          7.6424
CFD            Short         45489         7.6518
CFD            Short         29177         7.6734
CFD            Short         52014         7.6988


(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                         24 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