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               31 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     107,899,126     3.68%        888,815     0.03%
securities
(2) Derivatives    1,795,428     0.06%        514,174     0.02%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            110,694,554     3.77%      1,402,989     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      2,104                8.0820
Purchase      18,137               8.0820
Purchase      5,244                8.0820
Purchase      1,494                8.0820
Purchase      16,457               8.0820
Purchase      1,930                7.7656
Purchase      12,638               8.0820
Purchase      7,570                8.0820
Purchase      9,330                8.0820
Purchase      21,743               7.2980
Purchase      2,399                8.0820
Purchase      7,917                8.0820
Purchase      2,500                8.0648
Purchase      2,907                8.0820
Purchase      100                  7.7622
Purchase      7,240                8.0820
Purchase      5,735                8.0820
Purchase      10,670               8.0820
Purchase      65,004               7.8801
Purchase      426,479              7.2980
Purchase      127                  8.0820
Purchase      192,935              7.7110
Purchase      127                  8.0820
Purchase      133,157              7.9383
Purchase      728                  8.0820
Purchase      1,025                8.0820
Purchase      743                  8.0820
Purchase      33,616               7.9402
Purchase      539                  7.8341
Purchase      813                  8.1062
Purchase      40,005               8.0557
Purchase      41,504               8.0820
Purchase      47,000               7.9070
Sale          1,297                8.0820
Sale          363                  7.8864
Sale          743                  8.0820
Sale          2,104                8.0820
Sale          1,930                7.7110
Sale          1,280                7.8320
Sale          2,977                7.8460
Sale          3,203                8.0820
Sale          3,382                8.0820
Sale          1,106                8.0820
Sale          4,683                8.1388
Sale          250                  7.8482
Sale          16,457               8.0820
Sale          339,211              7.8561
Sale          192,935              7.7110
Sale          153,129              8.0820
Sale          128,091              7.9332
Sale          79,110               8.0324
Sale          77,000               8.0820
Sale          52,777               7.8891
Sale          52,174               8.0820
Sale          30,775               8.0820
Sale          29,882               8.0820
Sale          28,695               7.9392
Sale          7,520                7.9232
Sale          18,685               7.7696
Sale          5,244                8.0820
Sale          15,502               7.9252
Sale          12,082               7.8864
Sale          11,729               8.0820
Sale          9,057                7.8864
Sale          8,711                7.8668
Sale          426,479              7.2980
Sale          7,742                8.0820
Sale          7,067                8.0404
Sale          6,651                7.8864
Sale          6,332                8.0820
Sale          5,735                8.0820
Sale          21,743               7.2980


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          339211        7.8561
CFD            Long          17330         7.8617
CFD            Long          14232         7.8648
CFD            Long          8711          7.8667
CFD            Long          128091        7.9331
CFD            Long          79110         8.0323
CFD            Long          7067          8.0404
CFD            Long          3743          8.0845
CFD            Long          4683          8.1387
CFD            Short         100           7.7622
CFD            Short         18501         7.8988
CFD            Short         133157        7.9383
CFD            Short         1076          7.9966
CFD            Short         40005         8.0556
CFD            Short         2500          8.0648
CFD            Short         813           8.1062


(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                         03 August 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