Slaughter and May, Hengeler Mueller and Linklaters have acted on the €5.1bn (£4.3bn) sale of RWE AG’s oil and gas business to Russian investment vehicle LetterOne Group.

RWE – one of Europe’s five leading energy companies – has agreed to sell the holding company for its oil and gas unit, RWE Dea, to LetterOne Group, which was set up by Russian private investment group Alfa. RWE Dea has interests in 14 countries including Germany, the UK, Norway, Denmark and Egypt.