MWB Group, the operator of the Hotel du Vin, Bistro du Vin and Malmaison chains, has announced it has ended talks regarding a takeover of its subsidiary, Business Exchange. The group said that after careful consideration it had decided not to proceed with an offer for the office space supplier, in which it has a c.70% stake. MWB, which started talks on a proposed £52m deal in July, said it remained a committed shareholder of Business Exchange. Yesterday the group was granted its third extension to announce a decision on the proposed deal.