The board stipulates that directors must disclose any potential conflict of interest and any other directorships held by them. Directors are obliged to recuse themselves from discussion and voting upon any matter in which they may have an interest. Directors and senior staff are prohibited from dealing in the group’s shares during closed periods which in any year extend from 1 January to the day the interim results are announced and from 1 July to the day the annual results are announced. In addition, directors cannot trade during any period where they have access to price-sensitive information. Before dealing in the shares of the group, directors and senior management are obliged to inform and obtain the consent of the chairman.