Vesuvius PLC — AGM Information 2012

May 17, 2012

Company No: 251977

Cookson Group plc - Resolutions concerning Special Business passed at the AGM on 17 May 2012

AT THE ANNUAL GENERAL MEETING of the Company held on 17 May 2012, the following special resolution was passed:

AUTHORITY FOR THE COMPANY TO CALL A GENERAL MEETING ON 14 CLEAR DAYS' NOTICE (Resolution 20)

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

Rooms 5.An

Rachel Fell Deputy Secretary, Cookson Group plc