Ithaca Energy: Profit tumbles at North Sea oil and gas firm as windfall tax bites Energy North sea oil and gas firm Ithaca Energy saw its revenue and profit tumble after being hit by impairment charges, lower production and a dip in the oil and gas prices. The FTSE 250 constituent, which in the Spring announced plans to buy all of Italian competitor Eni’s North Sea assets for £754m, lowered its [...]