| D'ABREO, Riordan ACTIVE | Secretary | 01 Jul 2020 | | | | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| CARBONARA, Stefano ACTIVE | Director | 07 Jul 2026 | | Italy | January 1966 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| PAGANO, Ciro Antonio ACTIVE | Director | 08 Apr 2021 | | Italy | March 1962 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| PAGANO, Francesco ACTIVE | Director | 24 Mar 2022 | | United Kingdom | June 1968 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| PORRETTA-SERAPIGLIA, Claudia ACTIVE | Director | 06 Jun 2025 | | United Kingdom | November 1977 | 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 | 19 Jul 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 | | 30 Apr 1999 | | | 32 Chantry Close, Bishops Stortford, Hertfordshire, CM23 2SN |
| ARALDI, Mirko RESIGNED | Director | 20 Apr 2026 | 07 Jul 2026 | Italy | June 1980 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| BERTELLI, Luca RESIGNED | Director | 21 Aug 2003 | 03 Apr 2006 | | October 1958 | Dharmawangsa, Apartment 307,, Ji. Dharmawangsa 8, Jakarta, FOREIGN, Indonesia |
| BOTTING, Christopher Michael RESIGNED | Director | | 20 Dec 1992 | | December 1952 | Sneaton Grange Windsor Road, Gerrards Cross, Buckinghamshire, SL9 7NW |
| BROWN, Ian Douglas RESIGNED | Director | 15 Feb 1994 | 08 Nov 1995 | | January 1949 | No 6/199 Sussex Gardens, London, W2 2RJ |
| CHACON, Oswaldo RESIGNED | Director | 10 Apr 2012 | 24 Sep 2014 | United Kingdom | October 1973 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| DANIELE, Roberto RESIGNED | Director | 06 Oct 2022 | 20 Apr 2026 | Italy | July 1968 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| DAVIDSON KELLY, Charles Norman RESIGNED | Director | | 16 Feb 1994 | United Kingdom | June 1945 | Little Boarhunt 73 Portsmouth Road, Liphook, Hampshire, GU30 7EE |
| DE MARCO, Claudio RESIGNED | Director | 05 Jan 2017 | 12 Jun 2017 | England | February 1957 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| DE-CARO, Luca RESIGNED | Director | 02 Dec 2013 | 28 Feb 2017 | Italy | January 1964 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| EBBELS, Keith RESIGNED | Director | 01 May 1996 | 01 Feb 1999 | England | September 1950 | 12 Pennington Place, Southborough, Tunbridge Wells, Kent, TN4 0AQ |
| FAGAN, Daragh Patrick Feltrim RESIGNED | Director | 08 Aug 2002 | 06 Jul 2007 | England | September 1969 | 17 Grena Road, Richmond, Surrey, TW9 1XU |
| FERRARA, Gianluigi RESIGNED | Director | 13 Jun 2017 | 24 Mar 2022 | United Kingdom | September 1959 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| FERRARA, Gianluigi RESIGNED | Director | 29 Nov 2001 | 21 Aug 2003 | | September 1959 | 33 Binghill Road, Milltimber, Aberdeen, AB13 0JA, Scotland |
| FORZONI, Andrea RESIGNED | Director | 14 Nov 2007 | 07 Nov 2008 | | February 1952 | 4 Via Carroccio, Milan, 20123, Italy |
| GIULIANELLI, Matilde RESIGNED | Director | 21 Aug 2003 | 16 May 2006 | | February 1962 | Flat 3, 22 Cardigan Road, Richmond, Surrey, TW10 6BJ |
| GIUSTO, Manfredi RESIGNED | Director | 03 Oct 2024 | 06 Jun 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 |
| GUARNIERI, Pietro RESIGNED | Director | 08 Jun 2020 | 08 Apr 2021 | Italy | December 1959 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| HEMMENS, Philip Duncan RESIGNED | Director | 06 Aug 2020 | 06 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 | 01 Feb 1999 | 29 Nov 2001 | | October 1953 | Fluder House 39 Fluder Hill, Kingskerswell, Newton Abbot, Devon, TQ12 4SX |
| HOGAN, John Anthony RESIGNED | Director | 15 Feb 1994 | 01 Feb 1999 | United Kingdom | April 1953 | The Malthouse Heaverham Road, Kemsing, Sevenoaks, Kent, TN15 6NE |
| JAMIESON, Graeme Alexander RESIGNED | Director | 08 Nov 1995 | 28 Feb 1998 | | June 1949 | Jeruk Purut 37c, Cilandak Jakarta Selatan, Jakarta, Indonesia |
| 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 | | 29 Apr 1997 | | May 1938 | 4 St Jamess Terrace Mews, St Johns Wood, London, NW8 7LJ |
| LEE, Brian Thomas RESIGNED | Director | | 13 Nov 1992 | | December 1945 | Kingsleave 15 Woodside Road, Sevenoaks, Kent, TN13 3HF |
| LORATO, Roberto RESIGNED | Director | 03 Apr 2006 | 01 Jun 2009 | Indonesia | April 1958 | Dharmawangsa Apartment 10th Floor, Unit 1008, Jalan Dharmawangsa Viii, Jakarta, 12160, Indonesia |
| LORATO, Roberto RESIGNED | Director | 08 Aug 2002 | 21 Aug 2003 | Indonesia | April 1958 | Dharmawangsa Apartment 10th Floor, Unit 1008, Jalan Dharmawangsa Viii, Jakarta, 12160, Indonesia |
| LUSURIELLO, Luigino RESIGNED | Director | 10 Nov 2006 | 14 Nov 2007 | | August 1961 | 25 Via Papa Giovanni Xxiii, Peschiera Borromeo, (Mi), Italy |
| MONDAZZI, Massimo RESIGNED | Director | 28 May 2010 | 16 Jan 2013 | Italy | July 1963 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| MURRAY, Paul Colbeck RESIGNED | Director | 01 Feb 1999 | 08 Jun 2001 | | October 1961 | 4 Milner Place, London, N1 1TN |
| PASQUA, Roberto RESIGNED | Director | 24 Sep 2014 | 13 Jun 2017 | United Kingdom | March 1965 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| PAVIA, Michael James RESIGNED | Director | | 31 Dec 1993 | | October 1946 | Langhurst 5 Derby Road, Haslemere, Surrey, GU27 1BS |
| PIRO, Luigi RESIGNED | Director | 17 May 2016 | 05 Jan 2017 | United Kingdom | March 1959 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| POLO, Franco RESIGNED | Director | 28 Apr 2016 | 08 Jun 2020 | Australia | December 1957 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| POLO, Franco, Dr RESIGNED | Director | 15 Nov 2010 | 19 Sep 2011 | United Kingdom | December 1957 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| PORTOGHESE, Diego RESIGNED | Director | 13 Aug 2019 | 06 Oct 2022 | Indonesia | November 1980 | 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 |
| RUSSO, Carlo Vito RESIGNED | Director | 01 Jun 2009 | 02 Dec 2013 | Italy | November 1959 | 34, Via Trento, Montesardo (Lecce), 73030, Italy |
| SMERNOFF, Richard Louis RESIGNED | Director | 16 Mar 1994 | 27 Apr 1994 | | July 1941 | C/O Lasmo Plc, 100 Liverpool Street, London, EC2M 2BB |
| SMERNOFF, Richard Louis RESIGNED | Director | | 01 Feb 1999 | | July 1941 | 3 Trevor Square, Knightsbridge, London, SW7 1DT |
| TALAMONTI, Marco RESIGNED | Director | 16 May 2006 | 10 Apr 2012 | England | October 1970 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| THOMAS, David Howard RESIGNED | Director | 11 Jan 2000 | 08 Aug 2002 | | June 1957 | Castle Mead, Chalk Lane, Hyde Heath, Amersham, Buckinghamshire, HP6 5SA |
| THORPE, Nigel Ralph RESIGNED | Director | 02 Mar 1998 | 08 Aug 2002 | | August 1956 | Seaway Bridge Road, Gorleston On Sea, Great Yarmouth, Norfolk, NR31 6SY |
| TOOP, Christopher Yates RESIGNED | Director | 15 Feb 1994 | 15 Apr 1996 | | May 1957 | 10 Marksbury Avenue, Kew Gardens, Richmond, Surrey, TW9 4JF |
| TRILLI, Fabrizio Maria Annunziata RESIGNED | Director | 28 Feb 2017 | 13 Aug 2019 | Indonesia | January 1965 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| VASQUES, Luciano Maria RESIGNED | Director | 06 Oct 2022 | 03 Oct 2024 | United Kingdom | April 1963 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| VELLA, Antonio RESIGNED | Director | 16 Jan 2013 | 28 Apr 2016 | Italy | May 1957 | Eni House, 10 Ebury Bridge Road, London, SW1W 8PZ |
| VERGINE, Umberto RESIGNED | Director | 07 Nov 2008 | 28 May 2010 | | January 1957 | 16a, Via D.Bellincioni, San Donato Milanese, Milan, 20097, Italy |
| VERGINE, Umberto RESIGNED | Director | 11 Jul 2006 | 10 Nov 2006 | | January 1957 | 16a, Via D.Bellincioni, San Donato Milanese, Milan, 20097, Italy |
| WARD, John Anthony RESIGNED | Director | | 19 Feb 1993 | | September 1943 | 14 Cranleigh Road, Esher, Surrey, KT10 8DF |
| WRIGHT, Christopher Alan, Dr RESIGNED | Director | 01 Feb 1999 | 06 Dec 1999 | | December 1947 | Old Byways House, Gravel Path, Berkhamstead, Hertfordshire, HP4 2PS |