(1) This section applies to interests in shares which -
(a) are comprised in relevant share capital of a public limited company, and
(b) are officially listed on the Exchange.
(2) Where a person becomes aware that he has acquired or ceased to have an interest in shares to which this section applies and, following that acquisition or disposal, the percentage level (within the meaning of section 69) of his interest in that share capital exceeds or falls below the percentage levels referred to in subsection (3), he shall, in addition to the obligation of disclosure to which he is subject under section 67, be under an obligation to notify the Exchange of his interest in the shares following the acquisition or cessation, as the case may be.
(3) The percentage levels referred to in subsection (2) are 10 per cent, 25 per cent, 50 per cent and 75 per cent.
(4) The provisions of this Chapter shall apply as regards the interests which are to be notified to the Exchange, and the manner in wh