Monaco investment fund HAL Holding has succeeded with a higher €2.28bn ($2.29bn) takeover offer for Dutch contracting and shipowning giant Boskalis.

The companies have agreed on a new offer price of €33 per share after months of talks following an initial approach of €32.50 in March.

Existing shareholder HAL has 46.5% of the group already and will delist it in Amsterdam if the deal goes through.