exor nv said friday that its board of directors has approved transferring the listing of the companys ordinary shares to euronext amsterdam from milan the move will align with the investment companys legal registration as a dutch company and would result in it being overseen by a single market regulator exor said the transfer is dependent on the approval of the dutch market regulator but is expected to become effective by midaugust the company said separately the company said it will continue with a second tranche of up to 250 million euros 2549 million of a buyback program set out in march