Mr Barry Alexander ENGLISH

NORTON INDUSTRIAL CERAMICS LIMITED

Secretary

Assigned on 01 Dec 1997

Current time on role 26 years, 5 months, 15 days

SAINT-GOBAIN HIGH PERFORMANCE SOLUTIONS UK LIMITED

Secretary

Assigned on 01 Jan 1998

Resigned on 31 May 2002

Time on role 4 years, 4 months, 30 days

CARBORUNDUM U.K. LTD.

Secretary

Assigned on

Resigned on 31 May 2002

Time on role 21 years, 11 months, 15 days

SAINT-GOBAIN INDUSTRIAL CERAMICS LIMITED

Secretary

Assigned on 07 Jan 1997

Resigned on 31 May 2002

Time on role 5 years, 4 months, 24 days

CARBORUNDUM U.K. LTD.

Director

Treasury Manager Europe

Assigned on

Resigned on 31 May 2002

Time on role 21 years, 11 months, 15 days

SAINT-GOBAIN INDUSTRIAL CERAMICS LIMITED

Director

Company Secretary

Assigned on 07 Dec 2000

Resigned on 31 May 2002

Time on role 1 year, 5 months, 24 days

SAINT-GOBAIN PERFORMANCE PLASTICS CORBY LIMITED

Secretary

Assigned on 06 Mar 2000

Resigned on 31 May 2002

Time on role 2 years, 2 months, 25 days

SAINT-GOBAIN CRYSTALS & DETECTORS UK LIMITED

Secretary

Assigned on 16 Jan 1998

Resigned on 31 May 2002

Time on role 4 years, 4 months, 15 days

UNIFRAX LIMITED

Director

Treasury Manager Europe

Assigned on 13 Jul 2000

Resigned on 04 Oct 2000

Time on role 2 months, 22 days

UNIFRAX LIMITED

Secretary

Treasury Manager Europe

Assigned on 13 Jul 2000

Resigned on 04 Oct 2000

Time on role 2 months, 22 days

JONAS WELLS,LIMITED

Secretary

Assigned on

Resigned on 31 Jan 1995

Time on role 29 years, 3 months, 15 days

BRITANNIC ENERGY TRADING LIMITED

Secretary

Assigned on

Resigned on 31 Jan 1995

Time on role 29 years, 3 months, 15 days

JONAS WELLS,LIMITED

Director

Treasury Manager Europe

Assigned on

Resigned on 31 Jan 1995

Time on role 29 years, 3 months, 15 days