[Joint Filing Agreement [Remainder of this page has been intentionally left blank.] Nasa Stand Trust By TMF (Cayman) Ltd. as Trustee Woo Pui Man Authorized Signatory Choa Kin Wai] [*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. CUSIP No. G93629106]