Threadneedle AM Hdgs - Rule 8.3- Xstrata Plc

RNS Number:2970M
Threadneedle Asset Mangmt Hldgs Ltd
22 January 2008

.FORM 8.3

DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE

(Rule 8.3 of the Takeover Code)

1. KEY INFORMATION

Name of person dealing (Note 1) Threadneedle Asset Management Holdings Ltd
Company dealt in Xstrata Plc
Class of relevant security to which the dealings Ordinary
being disclosed relate (Note 2)
Date of dealing 21/01/08

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 securities 16,265,396 1.663%
(2) Derivatives (other than options) 1,267,437 0.130%
(3) Options and agreements to purchase/sell
Total 17,532,833 1.793%

(b) Interests and short positions in relevant securities of the company, other
than the class dealt in (Note 3)

Class of relevant security: Long Short
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 (Note 5)
Purchase 14,149 GBP 32.128
Purchase 6,442 GBP 34.879
Purchase 7,216 GBP 32.330
Purchase 11,227 GBP 31.987

(b) Derivatives transactions (other than options)

Product name, e.g. CFD Long/short (Note 6) Number of securities (Note 7) Price per unit (Note 5)

CFD Long 133,633 GBP 35.118
CFD Long 48,360 GBP 32.161
CFD Long 3,424 GBP 32.953
CFD Long 189,144 GBP 34.854
CFD Long 180,924 GBP 32.362

(c) Options transactions in respect of existing securities

(i) Writing, selling, purchasing or varying

Product Writing, Number of Exercise Type, e.g. Expiry date Option money paid/
name,e.g. selling, securities to price American, received per unit
call option purchasing, which the option European etc. (Note 5)
varying etc. relates (Note 7)

(ii) Exercising

Product name, e.g. call Number of securities Exercise price per unit (Note 5)
option

(d) Other dealings (including new securities) (Note 4)

Nature of transaction (Note 8) Details Price per unit (if applicable)
(Note 5)

4. OTHER INFORMATION

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.

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Is a Supplemental Form 8 attached? (Note 9)
YES/NO

Date of disclosure 22/01/2008

Contact name Sharyn Sharp

Telephone number 01793 363062

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

This information is provided by RNS
The company news service from the London Stock Exchange
END

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