| NORTHERN TRUST SECRETARIAL SERVICES (UK) LIMITED ACTIVE | Secretary | 10 Mar 2025 | | | | 50, Bank Street, London, E14 5NT, England |
| GUERIN, Bridget Elisabeth ACTIVE | Director | 08 May 2018 | | England | November 1961 | 50, Bank Street, London, E14 5NT, England |
| PATERSON, Graham Douglas ACTIVE | Director | 15 Oct 2019 | | Scotland | January 1971 | 50, Bank Street, London, E14 5NT, England |
| PRENTIS, Michael Jonathan ACTIVE | Director | 22 Feb 2021 | | United Kingdom | July 1957 | 50, Bank Street, London, E14 5NT, England |
| FREEMAN, Paul Ronald RESIGNED | Secretary | | 12 Mar 1992 | | | 108 Shenfield Place, Shenfield, Brentwood, Essex, CM15 9AJ |
| GARDNER, Peter Jeremy RESIGNED | Secretary | 28 Feb 1994 | 14 Mar 1995 | | | 8 Weston Road, Lewknor, Watlington, Oxfordshire, OX49 5TU |
| HENDERSON, Charles Douglas RESIGNED | Secretary | 14 Mar 1995 | 21 Mar 2000 | | | 90 Mayfield Avenue, London, N12 9JE |
| POWLEY, Annette Barbara RESIGNED | Secretary | 12 Mar 1993 | 28 Feb 1994 | | | 11 Walden Place, Welwyn Garden City, Hertfordshire, AL8 7PG |
| WHITE, Ian Robert RESIGNED | Secretary | 21 Mar 2000 | 11 May 2001 | | | 40 Bankside Close, Isleworth, Middlesex, TW7 7EW |
| INVESCO ASSET MANAGEMENT LIMITED RESIGNED | Secretary | 11 May 2001 | 09 Mar 2025 | | | Perpetual Park, Perpetual Park Drive, Henley-On-Thames, Oxfordshire, RG9 1HH, England |
| BARBY, Ian Christopher Simon RESIGNED | Director | 05 Jan 2004 | 06 Jun 2019 | England | January 1945 | Perpetual Park, Perpetual Park Drive, Henley On Thames, Oxfordshire, RG9 1HH |
| BERRY, Jamie Alistair Jagoe RESIGNED | Director | | 24 May 2005 | England | December 1955 | 7 Kinsella Gardens, Wimbledon Common, London, SW19 4UB |
| BROOMAN, Richard John RESIGNED | Director | | 11 Jun 2020 | United Kingdom | April 1955 | Perpetual Park, Perpetual Park Drive, Henley On Thames, Oxfordshire, RG9 1HH |
| DESLANDES, Richard John RESIGNED | Director | | 31 Jul 1993 | | January 1951 | Steppes, Shalbourne, Marlborough, Wiltshire, SN8 3QD |
| DIMSDALE, Nicholas Hampden RESIGNED | Director | | 25 Aug 1995 | | December 1935 | 30 Blandford Avenue, Oxford, Oxfordshire, OX2 8DY |
| FITZWILLIAM-LAY, David Hugh RESIGNED | Director | 13 Sep 1991 | 30 Sep 2001 | | October 1931 | Bloxham, Savernake Forest, Marlborough, Wilts, SN8 3NT |
| FLETCHER, Christopher George Alvan RESIGNED | Director | 01 Dec 2010 | 10 Jun 2021 | Scotland | August 1951 | Perpetual Park, Perpetual Park Drive, Henley On Thames, Oxfordshire, RG9 1HH |
| GRIFFIN, William Thomas Jackson RESIGNED | Director | | 29 Apr 1999 | United Kingdom | May 1928 | 7 Lowndes Place, London, SW1X 8DB |
| LEWIS, Jane Margaret RESIGNED | Director | 17 Dec 2013 | 08 Jun 2023 | England | November 1963 | Perpetual Park, Perpetual Park Drive, Henley On Thames, Oxfordshire, RG9 1HH |
| LONGFELLOW, Simon Martin RESIGNED | Director | 01 Jul 2023 | 31 Dec 2025 | England | October 1975 | 50, Bank Street, London, E14 5NT, England |
| MCINTOSH, Alastair Bruce RESIGNED | Director | 25 Apr 1995 | 08 May 2003 | England | February 1958 | Higher Tripp Farm, Watchet, Somerset, TA23 0LW |
| MILNE, Garth Peter Denis RESIGNED | Director | 21 Mar 2001 | 07 Jun 2018 | United Kingdom | January 1943 | Perpetual Park, Perpetual Park Drive, Henley On Thames, Oxfordshire, RG9 1HH |
| NICHOLSON, Dennis Thomas Holme RESIGNED | Director | | 25 Apr 1995 | | May 1921 | Gilts 62 Hadley Highstone, Barnet, Hertfordshire, EN5 4PU |
| O'HARE, Alfred Louis Mark RESIGNED | Director | 08 Dec 1997 | 19 May 2011 | | October 1958 | The Priory, Keldholme, Yorkshire, YO62 2LZ |
| SPOONER, John Arthur RESIGNED | Director | 21 Mar 2001 | 05 Jun 2014 | England | December 1953 | Perpetual Park, Perpetual Park Drive, Henley On Thames, Oxfordshire, RG9 1HH |