The issuer shall inform the Exchange and publish an announcement immediately after (and for the purpose of providing details of) any decision made with regard to:—
(1) any proposed material alteration of the issuer's memorandum or articles of association or equivalent documents which would affect the rights of holders of its listed debt securities;
(2) any changes in its directorate, and shall procure that each new director or member of its governing body shall sign and lodge with the Exchange no later than 14 business days prior to the proposed date of his appointment a declaration, undertaking and acknowledgement in the relevant form set out in Appendix 6;
(3) any change in the rights attaching to any class of listed debt securities (including any change in the rate of interest carried by a debt security) and any change in the rights attaching to any shares into which any listed debt securities are convertible or exchangeable; and
(4) any change in its secretary, auditors or registered office or registered place of business in Hong Kong.