Mr Christopher Robert Howard BULL

SCHRODER SPLIT FUND PLC

Director

Financial Manager

Assigned on 08 Feb 1993

Current time on role 31 years, 2 months, 12 days

UNIVERSITY OF GREENWICH

Director

Retired

Assigned on 01 Sep 1994

Resigned on 31 Aug 2003

Time on role 8 years, 11 months, 30 days

RIO TINTO FINANCE PLC

Director

Finance Director

Assigned on

Resigned on 24 May 2002

Time on role 21 years, 10 months, 27 days

RIO TINTO PLC

Director

Finance Director

Assigned on

Resigned on 18 Apr 2002

Time on role 22 years, 2 days

RIO TINTO PENSION INVESTMENTS LIMITED

Director

Finance Director

Assigned on

Resigned on 22 Jan 2002

Time on role 22 years, 2 months, 29 days

TARMAC CEMENT AND LIME LIMITED

Director

Finance Director

Assigned on 25 Oct 1996

Resigned on 12 Jul 2001

Time on role 4 years, 8 months, 18 days

ASHTEAD WARREN PROPERTY ASSOCIATION LIMITED(THE)

Director

Financial Manager

Assigned on 22 Jan 1996

Resigned on 04 Oct 1997

Time on role 1 year, 8 months, 13 days

VECTOR ENGINEERING PRODUCTS LIMITED

Director

Finance Director

Assigned on

Resigned on 20 Oct 1993

Time on role 30 years, 6 months

B T R INTERNATIONAL LIMITED

Director

Finance Director

Assigned on

Resigned on 08 May 1993

Time on role 30 years, 11 months, 12 days

DUNLOP HOLDINGS LIMITED

Director

Finance Director

Assigned on

Resigned on 26 May 1992

Time on role 31 years, 10 months, 25 days

INVENSYS INTERNATIONAL HOLDINGS LIMITED

Director

Finance Director

Assigned on

Resigned on 30 Jun 1991

Time on role 32 years, 9 months, 21 days

INVENSYS PENSION TRUSTEE LIMITED

Director

Finance Director

Assigned on

Resigned on 30 Jun 1991

Time on role 32 years, 9 months, 21 days