| D'ABREO, Riordan ACTIVE | Secretary | 01 Jul 2020 | | | | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| GHIGNONI, Andrea ACTIVE | Director | 08 Oct 2025 | | Italy | April 1976 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| MORI, Luca ACTIVE | Director | 23 Jul 2026 | | Italy | December 1964 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| PAGANO, Francesco ACTIVE | Director | 23 Jul 2026 | | United Kingdom | June 1968 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| PORRETTA-SERAPIGLIA, Claudia ACTIVE | Director | 08 Aug 2025 | | United Kingdom | November 1977 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| VALENTI, Massimiliano ACTIVE | Director | 23 Jul 2026 | | Italy | October 1970 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| DAL BELLO, Francesca RESIGNED | Secretary | 29 Jun 2006 | 09 Nov 2017 | | | Eni House, 10 Ebury Bridge Road, London, England, SW1W 8PZ, England |
| DRAKE, Caroline Ann RESIGNED | Secretary | 03 Jul 2000 | 11 Jan 2002 | | | 11 Woodfield Close, Ashtead, Surrey, KT21 2RT |
| O'BRIEN, Alan RESIGNED | Secretary | 11 Jan 2002 | 08 Aug 2002 | | | 21 Wethered Park, Marlow, Buckinghamshire, SL7 2BH |
| SMITH, Linda Gillian RESIGNED | Secretary | 08 Aug 2002 | 29 Jun 2006 | | | 11 Thellusson Way, Rickmansworth, Hertfordshire, WD3 8RB |
| TREZZA, Mila RESIGNED | Secretary | 09 Nov 2017 | 01 Jul 2020 | | | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| WALTERS, Sandra Gail RESIGNED | Secretary | 30 Apr 1999 | 03 Jul 2000 | | | 9 Danvers Way, Caterham, Surrey, CR3 5FJ |
| WEDGWOOD, John Arthur Thomas RESIGNED | Secretary | 01 Apr 1996 | 30 Apr 1999 | | | 32 Chantry Close, Bishops Stortford, Hertfordshire, CM23 2SN |
| SWIFT INCORPORATIONS LIMITED RESIGNED | Nominee Secretary | 01 Apr 1996 | 01 Apr 1996 | | | 26, Church Street, London, NW8 8EP |
| CARUSO, Vito RESIGNED | Director | 30 Oct 2006 | 14 Nov 2007 | | March 1948 | 10 Via Turoldo, Bussero (Mi), 20060, Italy |
| CASTIGLIONI, Fabio RESIGNED | Director | 15 Jun 2009 | 14 Jul 2010 | Uk | September 1967 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| CHIARINI, Alberto RESIGNED | Director | 01 Sep 2004 | 03 Apr 2006 | | February 1963 | 31 Berwyn Road, Richmond, Surrey, TW10 5BP |
| CIARROCCHI, Luigi RESIGNED | Director | 21 Jul 2008 | 03 Nov 2008 | Italy | June 1961 | 3, Passo Buole, Milan, 20135, Italy |
| COLOMBO, Davide Maria RESIGNED | Director | 25 Aug 2015 | 13 Oct 2022 | Italy | October 1970 | Eni House, 10 Ebury Bridge Road, London, England, SW1W 8PZ, England |
| D'AMICO, Roberto RESIGNED | Director | 23 Oct 2002 | 16 Nov 2005 | | November 1949 | Via Gioberti 31, Torino, Italy |
| DE MARCO, Claudio RESIGNED | Director | 05 Jan 2017 | 12 Jun 2017 | England | February 1957 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| DERBY, Joseph RESIGNED | Director | 04 Apr 1996 | 30 Apr 2001 | England | July 1948 | Denefield, Rectory Road Oakley, Basingstoke, Hampshire, RG23 7LJ |
| DI LORENZO, Vincenzo RESIGNED | Director | 03 Apr 2006 | 14 Nov 2007 | | May 1949 | Flat 1, 81 Cadogan Place, London, SW1X 9RP |
| FAGAN, Daragh Patrick Feltrim RESIGNED | Director | 08 Aug 2002 | 06 Jul 2007 | England | September 1969 | 17 Grena Road, Richmond, Surrey, TW9 1XU |
| GIUSTO, Manfredi RESIGNED | Director | 03 Oct 2024 | 08 Aug 2025 | United Kingdom | February 1965 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| GIUSTO, Manfredi RESIGNED | Director | 18 Nov 2019 | 06 Aug 2020 | England | February 1965 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| GOLDING, Anthony Charles RESIGNED | Director | 01 Apr 1996 | 23 Oct 1996 | England | October 1952 | 25 Sollershott West, Letchworth, Hertfordshire, SG6 3PU |
| HEMMENS, Philip Duncan RESIGNED | Director | 06 Aug 2020 | 13 Oct 2022 | England | October 1953 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| HEMMENS, Philip Duncan RESIGNED | Director | 19 Sep 2011 | 17 May 2016 | United Kingdom | October 1953 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| HEMMENS, Philip Duncan RESIGNED | Director | 13 Jan 2000 | 14 Dec 2000 | | October 1953 | Fluder House 39 Fluder Hill, Kingskerswell, Newton Abbot, Devon, TQ12 4SX |
| KEENAN, Nicholas Mark RESIGNED | Director | 06 Jul 2007 | 15 Nov 2010 | Uk | May 1972 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| KING, Thomas George RESIGNED | Director | 04 Apr 1996 | 29 Apr 1997 | | May 1938 | 4 St Jamess Terrace Mews, St Johns Wood, London, NW8 7LJ |
| LUSURIELLO, Luigino RESIGNED | Director | 14 Nov 2007 | 15 Jun 2009 | | August 1961 | 708 The View 20 Palace Street, London, SW1E 5BA |
| MAZZONI, Federico RESIGNED | Director | 13 Oct 2022 | 08 Oct 2025 | Italy | January 1973 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| NOLAN, Peter Anthony RESIGNED | Director | 04 Apr 1996 | 31 Aug 1997 | | June 1941 | 30 Box Ridge Avenue, Purley, Surrey, CR8 3AQ |
| O'BRIEN, Alan RESIGNED | Director | 14 Dec 2000 | 08 Aug 2002 | | June 1957 | 21 Wethered Park, Marlow, Buckinghamshire, SL7 2BH |
| PALMA, Sergio RESIGNED | Director | 23 Aug 2001 | 23 Oct 2002 | | September 1947 | Via Pascoli 14, San Donato Milanese, Milan, 20097, FOREIGN, Italy |
| PIRO, Luigi RESIGNED | Director | 17 May 2016 | 05 Jan 2017 | United Kingdom | March 1959 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| PIRO, Luigi RESIGNED | Director | 14 Nov 2007 | 21 Jul 2008 | | March 1959 | Via Strasburgo 5b, San Donato Milanese, Milan, 20097, Italy |
| POLO, Franco, Dr RESIGNED | Director | 14 Jul 2010 | 19 Sep 2011 | United Kingdom | December 1957 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| RAMADAN, Naser RESIGNED | Director | 03 Nov 2008 | 12 Feb 2010 | | November 1957 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| RATCLIFFE, Stephen RESIGNED | Director | 12 Feb 2010 | 15 Nov 2010 | Italy | January 1956 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| RINALDI, Francesca RESIGNED | Director | 12 Jun 2017 | 18 Nov 2019 | England | April 1978 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| ROBILLOTTA, Francesco RESIGNED | Director | 15 Nov 2010 | 18 Jun 2012 | Italy | November 1960 | Via Belgirate 14, 20125 Milano, Italy |
| RUGGERI, Augusto RESIGNED | Director | 18 Jun 2012 | 25 Aug 2015 | Italy | July 1971 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| THOMAS, David Howard RESIGNED | Director | 30 Apr 2001 | 01 Sep 2004 | United Kingdom | June 1957 | Pilton Manor, Pilton, Peterborough, PE8 5SN |
| TREZZA, Mila RESIGNED | Director | 15 Nov 2010 | 30 Oct 2020 | England | September 1975 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| VASQUES, Luciano Maria RESIGNED | Director | 13 Oct 2022 | 03 Oct 2024 | United Kingdom | April 1963 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| VELLA, Antonio RESIGNED | Director | 16 Nov 2005 | 30 Oct 2006 | | May 1957 | Via Dossetti 9/A,, 20097 San Donato Milanese, Milan, FOREIGN |
| WATERLOW, Richard Philip RESIGNED | Director | 08 Dec 2020 | 23 Jul 2026 | United Kingdom | September 1973 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| WEDGWOOD, John Arthur Thomas RESIGNED | Director | 01 Apr 1996 | 23 Oct 1996 | United Kingdom | September 1940 | 32 Chantry Close, Bishops Stortford, Hertfordshire, CM23 2SN |
| WELLS, Peter Robin Avent RESIGNED | Director | 04 Apr 1996 | 30 Apr 2001 | | June 1951 | Summerlea, 7 Warren Avenue, Orpington, Kent, BR6 6HX |
| WRIGHT, Christopher Alan, Dr RESIGNED | Director | 15 Dec 1997 | 06 Dec 1999 | | December 1947 | Old Byways House, Gravel Path, Berkhamstead, Hertfordshire, HP4 2PS |