Vesuvius PLC — AGM Information 2011

May 12, 2011

Company No: 251977

Cookson Group plc - Resolutions concerning Special Business passed at the AGM on 12 May 2011

AT THE ANNUAL GENERAL MEETING of the Company held on 12 May 2010, the following special resolution was passed:

AUTHORITY FOR THE COMPANY TO CALL A GENERAL MEETING ON 14 CLEAR DAYS' NOTICE (Resolution 18)

THAT a general meeting other than an annual general meeting may be called on not less than 14 clear days' notice.

Certified to be a true copy

$R$ octors $S$ $A$

Rachel Fell Deputy Secretary, Cookson Group plc