Sign posted Subject : Suspend and Notice pending (SP and NP) signs posted Security Symbol - APEX DEVELOPMENT PUBLIC COMPANY LIMITED (APEX) Sign posted : SP Sign posted on (date) : 01-Mar-2023 Sign posted : NP Sign posted on (date) : 02-Mar-2023 Reason : As the company's auditor issues a disclaimer of opinion on the financial statements ending December 31, 2022, the SEC may require that the company amend its financial statements. Remark : Since APEX is subject to possible delisting, SET has still suspended trading all securities of APEX until the cause of delisting is eliminated. ______________________________________________________________________