The combined company's output will reach 500,000 barrels of oil equivalent per day (boepd) with 300,000boepd from Wintershall, largely in Norway. The acquisition agreement also includes taking on $4.9bn in bonds, taking the total to $11bn. Harbour will pay $2.15bn in cash and BASF will become 47 per cent shareholder of Harbour through the deal, holding 921mn in newly issued shares of the combined entity. The share issue will be at 360p a share, a 50 per cent premium on Thursday's opening price.