226A.—(1) Whenever shares for which dealing facilities are provided on a recognised stock exchange are the subject of an overseas market purchase either by the company which issued the shares or by a company which is that company's subsidiary, the company which issued the shares shall publish, on its website for a continuous period of not less than 28 days beginning on the day that next follows the overseas market purchase concerned and is a day on which the recognised stock exchange concerned is open for business, or in any other prescribed manner, the following information: