If you are a former Alkane Energy plc shareholder who did not respond by 11 December 2015 to the compulsory purchase by Barbican Bidco Limited of your shares (a dissentient shareholder), the funds are now held in a bank account controlled by Computershare Investor Services PLC, for them to pass on to all dissentient shareholders.
In order for you to receive your consideration you should contact Computershare on 0370 702 0003 and ask to speak to the Dissenters & Overseas Team. They will ask you for details of your shareholding in order to release the funds.