Exchange Commission No. Kor Dor. 21/2552 Re: Licensing Derivatives Exchange and Derivatives Clearing House __________________ By virtue of Section 6, Section 9, Paragraph 3 of Section 54 and Paragraph 3 of

fifty percent of the sold shares of the securities clearing house; (2) a juristic person holding more than fifty percent of the sold shares of the juristic person under (1). Clause 2 The rules in detail

Commission No. SorDor. 46/2552 Re: Documents and Evidence for Applying for Approval of Regulations of Derivatives Exchange and Derivatives Clearing House ---------------------- By virtue of Section 14, Section

Ref. No. U.SET 023/2018 10 May 2018 Subject: Acquisition of 30 Percent of Ordinary Shares in Vienna House (Thailand) Company Limited To: The President The Stock Exchange of Thailand U City Public

of house and condominium due to the delay in ownership transfer of some group of customers and 71% decline in revenue from rental and services which mainly derived from temporally suspension of

house; (2) a juristic person holding more than fifty percent of the sold shares of the juristic person under (1). Clause 2 The rules in detail under this Notification shall be stipulated to ensure

manner, and operate appropriately and correspond with the standards established by an international organization concerning capital market supervision, each derivatives clearing house shall operates in

the standards established by an international organization concerning capital market supervision, each securities clearing house and central securities depository shall follow principles in the

reference. Notification of the Securities and Exchange Commission No. Kor Thor. 50/2548 Re: Preparation and Disclosure of Financial Statements of Derivatives Exchange and Derivatives Clearing House By virtue

matters including inability to obtain certification from the company’s management regarding responsibility for the financial statement preparation, inability to audit operating system manual in petroleum