New Delhi: Adani Ports and Special Economic Zone Limited (APSEZ) on Thursday said it will acquire a 100 per cent stake in the Netherlands-based Evos B.V. (Evos), Europe's second-largest independent liquid storage operator, from Igneo Infrastructure Partners at an enterprise value of 2.56 billion euros.India's largest port operator, in a statement, said the proposed transaction is an all-cash deal and values Evos at an equity value of 1.