| LEDGE SERVICES LIMITED ACTIVE | Secretary | 01 Apr 2006 | | | | Johnstone House, 52-54 Rose Street, Aberdeen, AB10 1HA |
| TAYLOR, Christopher Robert Benjamin RESIGNED | Secretary | 01 Feb 1991 | 09 Nov 1991 | | | Laytons 76 Bridge Road, Hampton Court, East Molesey, Surrey, KT8 9HF |
| LEDINGHAM CHALMERS RESIGNED | Nominee Secretary | | 01 Feb 1991 | | | Johnstone House, 52-54 Rose Street, Aberdeen, AB10 1HA |
| LEDINGHAM CHALMERS LLP RESIGNED | Secretary | 09 Nov 1991 | 01 Apr 2006 | | | Johnstone House, 52-54 Rose Street, Aberdeen, AB10 1UD |
| ALLAN, John RESIGNED | Director | 25 Mar 1997 | 05 Jul 2007 | England | September 1960 | 4 Church Hams, Finchampstead, Wokingham, Berkshire, RG40 4XF |
| ALLAN, John RESIGNED | Director | 01 Feb 1991 | 09 Nov 1991 | | September 1960 | Cala(Cambridge)Ltd, The Old Manor House St Andrews, Cambridge, CB4 1DH |
| BALL, Geoffrey Arthur RESIGNED | Director | 24 May 1995 | 16 Dec 2009 | Scotland | August 1943 | Adam House, 5 Mid New Cultins, Edinburgh, EH11 4DU, Scotland |
| BALL, Geoffrey Arthur RESIGNED | Director | | 09 Nov 1991 | | August 1943 | Hollywood 34 Colinton Road, Edinburgh, Midlothian, EH10 5DG |
| BOYLE, Gerard Peter RESIGNED | Director | 12 Jul 1995 | 04 Jun 1996 | | July 1949 | Bowmans Popham Lane, North Waltham, Basingstoke, Hants, RG25 2BE |
| BROWN, Alan Duke RESIGNED | Director | 16 Dec 2009 | 07 Nov 2016 | England | May 1960 | Adam House, 5 Mid New Cultins, Edinburgh, EH11 4DU |
| DICK, Robert John Westwater RESIGNED | Director | 24 May 1995 | 05 Apr 2002 | | July 1955 | 5 Comiston Drive, Edinburgh, Lothian, EH10 5QP, Scotland |
| HANNA, Ronald George RESIGNED | Director | | 09 Nov 1991 | United Kingdom | July 1942 | 34 Primrose Bank Road, Edinburgh, Midlothian, EH5 3JF |
| JACKSON, Stanley Robertson RESIGNED | Director | 02 Jul 1990 | 02 Aug 1949 | | August 1949 | 43 Betweeen Streets, Cobham, KT11 1AA |
| KELLEY, Anthony John RESIGNED | Director | | 29 Dec 1995 | | March 1944 | Broadlands, 27 Ralliwood Road, Ashtead, Surrey, KT21 1DD |
| KELLEY, Anthony John RESIGNED | Director | | 01 Feb 1991 | | March 1944 | Broadlands, 27 Ralliwood Road, Ashtead, Surrey, KT21 1DD |
| MILLAR, Robert James RESIGNED | Director | 12 Jul 1995 | 11 Jan 2016 | United Kingdom | September 1953 | Adam House, 5 Mid New Cultins, Edinburgh, EH11 4DU, Scotland |
| PARKINSON, Susan Jill RESIGNED | Director | 01 Feb 1991 | 02 May 1996 | | September 1960 | 2 Thames Avenue, Pangbourne, Reading, RG8 7BU |
| REID, John Graham Gunn RESIGNED | Director | 15 Apr 2002 | 07 Nov 2016 | Scotland | May 1964 | Adam House, 5 Mid New Cultins, Edinburgh, EH11 4DU, Scotland |
| ROSIER, Stephen James RESIGNED | Director | | 09 Nov 1993 | | November 1955 | The Malt House, Swelling Hill, Ropley Alresford, Hampshire, SO24 0DA |
| ROSIER, Steven James RESIGNED | Director | 01 Feb 1991 | 28 Dec 1991 | | November 1955 | Cala Homes(South)Ltd, Leamington Court Andover Road Newfound, Basingstoke, Hamps |
| WHITE, Peter Alfred RESIGNED | Director | | 01 Feb 1991 | | March 1934 | Whiteoaks, Cobham, Surrey, KT11 2 |