Rule 8.3 - MORGAN CRUCIBLE CO

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 (Note BARCLAYS PLC 1) Company dealt in MORGAN CRUCIBLE CO Class of relevant security ORD GBP 0.25 to which the dealings being disclosed relate (Note 2) Date of dealing 04 September 2006 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 7,713,802 2.63% 64,418 0.02% securities (2) Derivatives 64,418 0.02% 475,907 0.16% (other than options) (3) Options and 0 0.00% 0 0.00% agreements to purchase/sell Total 7,778,220 2.65% 540,325 0.18% (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 (GBP) Purchase 3,650 2.7875 Sale 1,722 2.7700 Sale 1,400 2.7796 Sale 1,263 2.7700 Sale 4,000 2.7950 Sale 716 2.7700 (b) Derivatives transactions (other than options) Product Long/short Number of securities Price per unit CFD Short 1400 2.7795 CFD Short 4000 2.7950 (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. call Number of securities Exercise price per unit option (Note 5) (d) Other dealings (including new securities) (Note 4) Nature of transaction Details Price per unit (if (Note 8) 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. Is a Supplemental Form 8 attached? (Note 9) NO Date of disclosure 05 September 2006 Contact name BARCLAYS COMPLIANCE Telephone number 020 7166 2913 If a connected EFM, name of offeree/offeror with which connected If a connected EFM, state nature of connection (Note 10)

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Barclays (BARC)
UK 100

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