Acquisition of Enthone-OMI Complete

Cookson Group PLC
12 January 2000


COOKSON GROUP COMPLETES ACQUISITION OF ENTHONE-OMI


Cookson Group plc ('Cookson') is pleased to announce
that it has completed the acquisition of the Enthone-
OMI group of companies from Asarco, Inc., the terms
of which were announced by Cookson on 13 December
1999.


For further information, please contact:

Stephen Howard                Dennis Millard
Group Chief Executive         Group Finance Director
Cookson Group plc             Cookson Group plc
London WC2N 6HJ               London WC2N 6HJ
Tel: [phone]            Tel: [phone]
Fax: [phone]            Fax: [phone]