Ithaca Energy Plc is a holding company that engages in the exploration, development, and production of oil and gas. The firm operates a single class of business, being oil and gas exploration, development and production and related activities in a single geographical area, presently being the North Sea. Its operated assets are located in the Northern, Central and Southern North Sea, West of Shetland and Moray Firth areas of the UK Continental Shelf, which includes Alba, Alder, Cambo, Captain, Cook, Cygnus, Erskine, and Greater Stella Area. Its portfolio also includes a variety of non-operated assets, which include Britannia and Satellites, Brodgar, Brrom, Callanish, Dons, Ekgin/Franklin, Enochdhu, J area, Mariner, Monarb, Pierce, Rosebank, Schiehallion, and Seagull. The firm has a portfolio of over 39 producing UKCS fields and 10 operated producing fields.