Rule 8.1 - 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               08 August 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              7,407,328   2.52%             62,020   0.02%
securities
(2) Derivatives              62,020   0.02%            479,990   0.16%
(other than
options)
(3) Options and                   0   0.00%                  0   0.00%
agreements to
purchase/sell
Total                     7,469,348   2.55%            542,010   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)
Sale                     2,009                   2.3256
Sale                     4,701                   2.8544
Sale                     33,861                  2.8475
Purchase                 2,913                   2.8471
Purchase                 5,345                   2.8650
Purchase                 7,500                   2.8479
Purchase                 10,639                  2.8489
Purchase                 27,800                  2.8763


(b)  Derivatives transactions (other than options)

Product       Long/short      Number of securities    Price per unit
CFD           Short           4701                    2.8544
CFD           Long            2913                    2.8471
CFD           Long            7500                    2.8479
CFD           Long            5345                    2.865
CFD           Long            27800                   2.8763


(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 (Note 5)
                varying etc.      relates (Note 7)



(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 09 August 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)