. Notification of the Office of the Securities and Exchange Commission No. SorThor. 3/2553 Re: Preparation and Maintenance of Information Relating to Derivatives Trading _____________ By virtue of Clause 12

shall be calcualted on each business day. Division 3 Report and Keeping of Information on Maintenance of Capital Clause 10 The intermediary shall file the report on maintenance of capital with the SEC

day. Division 3 Report and Keeping of Information on Maintenance of Capital Clause 10 The intermediary shall file the report on maintenance of capital with the SEC Office in the format of the capital

Re: Initial and Maintenance Margin Requirements for Derivatives Trading in Derivatives Exchange

Initial and Maintenance Margin Requirements for Derivatives Trading in Derivatives Exchange

Information Memorandum Concerning the Connected Transaction for the engagement of CH. Karnchang Pub Co., Ltd 08/07/2022 17:01 Execution of Connected Transaction on Maintenance and Improvement of Structures and

Transaction Information Regarding Lease of Land lesser than 3-Year Period (Additional) 07/01/2022 08:58 Disclosure of Connected Transaction Information Regarding Lease of Land lesser than 3-Year Period 16/11

-month periods ending 30 September 2018 and 2019, the Company’s revenues were 279.37 million Baht and 427.85 million Baht respectively. The main revenues were from Data Center & Information Technology

proposed revision to the terms and conditions regarding the collateral maintenance against the principal debt by allowing the issuer to redeem or return the full or partial value of the assets used as

intermediary shall ensure that system acquisition, development, and maintenance of the information systems meet the following criteria: (1) establish information security related requirements in the requirements