The issuer hereby authorises the Exchange to file "applications" (as defined in section 2 of the Statutory Rules) and those corporate disclosure materials within the meaning of sections 7(1) and (2) of the Statutory Rules received by the Exchange with the Commission pursuant to sections 5(2) and 7(3) of the Statutory Rules respectively. Applications and relevant corporate disclosure materials shall be filed with the Exchange in such manner and number of copies as the Exchange may from time to time prescribe. The authorisation aforementioned shall not be altered or revoked in any way unless prior written approval has been obtained from the Exchange and the Exchange shall have the absolute discretion to grant such approval. In addition, the issuer undertakes to execute such documents in favour of the Exchange perfecting the above authorisation as the Exchange may require.