Ithaca Energy has concluded its planned stakes acquisitions in the Greater Stella Area from Petrofac and Dyas. The £228 million worth of transaction will gain Ithaca the ownership of Petrofac’s 20% stakes in the central North Sea production hub. Petrofac will also sell its 24.8% interest in the FPF1 floating production facility to Ithaca. Apart from Petrofac, Aberdeen-based Ithaca also acquired 25% stakes of Dyas UK.