| INFRASTRUCTURE MANAGERS LIMITED ACTIVE | Secretary | 06 Aug 2013 | | | | 8th Floor, 6 Kean Street, London, WC2B 4AS, United Kingdom |
| CAVILL, John Ivor ACTIVE | Director | 10 Feb 2016 | | United Kingdom | October 1972 | C/O Infrastructure Managers Limited, 2nd Floor Drum Suite, Saltire Court, 20 Castle Terrace, Edinburgh, EH1 2EN, United Kingdom |
| CLAVEAU, Agnieszka ACTIVE | Director | 30 Mar 2026 | | United Kingdom | November 1972 | Level 7, One Bartholomew Close, Barts Square, London, EC1A 7BL, United Kingdom |
| DIX, Carl Harvey ACTIVE | Director | 30 Jan 2023 | | United Kingdom | January 1966 | C/O Infrastructure Managers Limited, 2nd Floor Drum Suite, Saltire Court, 20 Castle Terrace, Edinburgh, EH1 2EN, United Kingdom |
| DONN, Michael Andrew ACTIVE | Director | 31 Oct 2013 | | United Kingdom | February 1972 | 1, George Street, Edinburgh, EH2 2LL, United Kingdom |
| MCINALLY, Claire Agnes ACTIVE | Director | 12 Feb 2025 | | United Kingdom | December 1976 | Forth House, Pirnhall Business Park, Stirling, FK7 8HW, United Kingdom |
| MCLURE, Cameron ACTIVE | Director | 31 Jan 2025 | | United Kingdom | October 1994 | 1, George Street, Edinburgh, EH2 2LL, United Kingdom |
| THOMSON, Craig Alexander ACTIVE | Director | 12 Feb 2025 | | Scotland | June 1972 | Forth House, Pirnhall Business Park, Stirling, FK7 8HW, United Kingdom |
| WOODBURN, Neil Andrew ACTIVE | Director | 09 Feb 2024 | | England | April 1979 | C/O Infrastructure Managers Limited, 2nd Floor Drum Suite, Saltire Court, 20 Castle Terrace, Edinburgh, EH1 2EN, United Kingdom |
| SMYTH, Pamela June RESIGNED | Secretary | 22 Dec 2005 | 16 May 2012 | | | Miller House, 2 Lochside View, Edinburgh Park Edinburgh, Lothian , EH12 9DH |
| WILSON, Gordon James RESIGNED | Secretary | 16 May 2012 | 06 Aug 2013 | | | Miller House, 2 Lochside View, Edinburgh Park Edinburgh, Lothian , EH12 9DH |
| BURNESS LLP RESIGNED | Secretary | 27 May 2005 | 22 Dec 2005 | | | 50 Lothian Road, Festival Square, Edinburgh, EH3 9WJ |
| ANDERSON, Derek Orr RESIGNED | Director | 22 Dec 2005 | 13 May 2008 | Scotland | July 1964 | 9 The Spinneys, Dalgety Bay, Fife, KY11 9SL |
| BAXTER, Mark RESIGNED | Director | 18 Feb 2008 | 19 Oct 2012 | United Kingdom | March 1972 | 2, Lochside View, Edinburgh Park, Edinburgh, Midlothian, EH12 9DH |
| BRADLEY, Victoria Louise RESIGNED | Director | 14 Oct 2009 | 04 Mar 2011 | United Kingdom | October 1971 | 1, Churchill Place, London, E14 5HP |
| BREMNER, Alexander George RESIGNED | Director | 01 Jan 2012 | 30 Jul 2013 | Scotland | September 1954 | 2nd, Floor, 11 Thistle Street, Edinburgh, EH2 1DF, United Kingdom |
| BREMNER, Alexander George RESIGNED | Director | 22 Feb 2008 | 04 Feb 2011 | Scotland | September 1954 | 3, Inch Avenue, Aberdour, Burntisland, Fife, KY3 0TF |
| BRUCE, Andrew David RESIGNED | Director | 14 Feb 2006 | 06 Nov 2008 | Scotland | December 1972 | 147 Constitution Street, Edinburgh, Midlothian, EH6 7AD |
| CAMPBELL, Alasdair RESIGNED | Director | 07 Dec 2021 | 09 Feb 2024 | Scotland | November 1984 | Infrared Capital Partners Limited, Level 7, One Bartholomew Close, Barts Square, London, ECA 7BL, United Kingdom |
| ELLIOT, John Christian RESIGNED | Director | 22 Dec 2005 | 14 Feb 2006 | United Kingdom | January 1952 | 1 Hope Terrace, Edinburgh, Midlothian, EH9 2AP |
| FLETCHER, Dylan RESIGNED | Director | 22 Dec 2005 | 12 Feb 2025 | Scotland | January 1971 | Croftlea 50 Kenilworth Road, Bridge Of Allan, Stirling, Stirlingshire, FK9 4RS |
| GARCIA, Carlos Abuin RESIGNED | Director | 01 Nov 2017 | 05 Oct 2018 | United Kingdom | March 1985 | 12, Charles Ii Street, London, SW1Y 4QU, United Kingdom |
| GILLESPIE, Kenneth William RESIGNED | Director | 01 Jul 2008 | 31 Dec 2011 | Scotland | June 1961 | 7 Shaws Crescent, Milton Bridge, Midlothian, EH26 0RE |
| GILMOUR, David Fulton RESIGNED | Director | 04 Mar 2011 | 12 Nov 2021 | United Kingdom | January 1963 | 2nd, Floor, 11 Thistle Street, Edinburgh, EH2 1DF |
| GROAT, Alison RESIGNED | Director | 20 Feb 2024 | 12 Feb 2025 | Scotland | February 1980 | Forth House, Pirnhall Business Park, Stirling, FK7 8HW, United Kingdom |
| HEATH, James Christopher RESIGNED | Director | 05 Oct 2018 | 30 Mar 2026 | United Kingdom | December 1975 | 12, Charles Ii Street, London, SW1Y 4QU, United Kingdom |
| HOLDEN, Mark Geoffrey David RESIGNED | Director | 19 Oct 2012 | 31 Oct 2013 | England | September 1957 | 12, Charles Ii Street, London, SW1Y 4QU, Uk |
| JACK, Ronald Gilfillan RESIGNED | Director | 22 Feb 2007 | 31 Mar 2015 | Scotland | December 1955 | 2nd, Floor, 11 Thistle Street, Edinburgh, EH2 1DF, United Kingdom |
| MACKIE, Robin Smith RESIGNED | Director | 22 Dec 2005 | 18 Feb 2008 | Scotland | May 1950 | Katiesdyke, New Fargie, Glenfarg, Perthshire, PH2 9QT |
| MCVEY, Philip RESIGNED | Director | 12 Dec 2005 | 19 Oct 2012 | United Kingdom | March 1960 | 2, Lochside View, Edinburgh Park, Edinburgh, Midlothian, EH12 9DH |
| PARK, James Leil RESIGNED | Director | 17 Mar 2006 | 06 Jan 2016 | Scotland | September 1954 | Westfield, 8 Donaldfield Road, Bridge Of Weir, Renfrewshire, PA11 3JJ |
| QUAIFE, Geoffrey Alan RESIGNED | Director | 19 Oct 2012 | 01 Nov 2017 | United Kingdom | October 1955 | 12, Charles Ii Street, London, SW1Y 4QU, Uk |
| RITCHIE, Alan Campbell RESIGNED | Director | 21 May 2009 | 14 Oct 2009 | United Kingdom | April 1967 | 57 Kettilstoun Mains, Linlithgow, West Lothian, EH49 6SH |
| RITCHIE, Alan Campbell RESIGNED | Director | 22 Dec 2005 | 14 Feb 2006 | United Kingdom | April 1967 | 57 Kettilstoun Mains, Linlithgow, West Lothian, EH49 6SH |
| SCOTT, Alan Philip RESIGNED | Director | 13 Jun 2006 | 19 Nov 2010 | Scotland | May 1966 | 2, Harlaw Bank, Balerno, Edinburgh, EH14 7HR |
| SMITH, David Niall RESIGNED | Director | 31 Mar 2015 | 20 Feb 2024 | United Kingdom | October 1971 | Forth House, Pirnhall Business Park, Stirling, FK7 8HW, United Kingdom |
| SMITH, Martin Timothy RESIGNED | Director | 22 Dec 2005 | 31 Jan 2025 | Scotland | January 1967 | Aberdeen Asset Management Plc, 40 Princes Street, Edinburgh, EH2 2BY, United Kingdom |
| VEERAPEN, Priya Ruth RESIGNED | Director | 07 Jul 2010 | 04 Mar 2011 | United Kingdom | July 1980 | Barclays Private Equity, 1 Churchill Place, London, E14 5HP |
| WATT, Moray David RESIGNED | Director | 14 Feb 2006 | 21 May 2009 | Scotland | January 1966 | Gillerhill, By Newton, South Queensferry, EH52 6QJ |
| WEGENER, Elena Giorgiana RESIGNED | Director | 31 Oct 2013 | 07 Dec 2021 | England | April 1975 | 12, Charles Ii Street, London, SW1Y 4QU, United Kingdom |
| WRINN, John RESIGNED | Director | 12 Nov 2021 | 30 Jan 2023 | United Kingdom | August 1962 | Infrastructure Managers Limited, 2nd Floor, 11 Thistle Street, Edinburgh, EH2 1DF, United Kingdom |
| BIIF CORPORATE SERVICES LIMITED RESIGNED | Director | 04 Mar 2011 | 10 Feb 2016 | | | Cannon Place, 78 Cannon Street, London, EC4N 6AF, United Kingdom |
| BURNESS (DIRECTORS) LIMITED RESIGNED | Nominee Director | 27 May 2005 | 12 Dec 2005 | | | 50 Lothian Road, Festival Square, Edinburgh, EH3 9WJ |