reference. 2 Notification of the Capital Market Supervisory Board No. TorThor. 84/2552 Re: Custody of Assets of Clients by Licensed Derivatives Brokers _____________ By virtue of Section 18, Section 33 and

entitled to the right to attend the Extraordinary General Meeting of Shareholders No. 1/2019 (Record Date) To: Director and Manager The Stock Exchange of Thailand Reference is made to the notification which

แนวทางปฏิบัติ (UNOFFICIAL TRANSLATION) Readers should be aware that only the original Thai text has legal force, and that this English translation is strictly for reference. Notification of Practice

translation is strictly for reference. 5 Notification of the Office of the Securities and Exchange Commission No. SorJor. 21/2541 Re: Reporting the Results of Selling Securities to the Public

translation is strictly for reference. 6 Notification of the Capital Market Supervisory Board No. TorThor. 23/2553   Re: Rules for Undertaking Derivatives Business for Licensed Derivatives Dealers            By

(UNOFFICIAL TRANSLATION) Readers should be aware that only the original Thai text has legal force, and that this English translation is strictly for reference. 2 Notification of the Securities and

UNOFFICIAL TRANSLATION Codified up to No. 6 As of 24 April 2017 Readers should be aware that only the original Thai text has legal force and that this English translation is strictly for reference. 4

UNOFFICIAL TRANSLATION Codified up to No. 2 As of 5 April 2017 Readers should be aware that only the original Thai text has legal force and that this English translation is strictly for reference. 4

translation is strictly for reference. 4 Notification of the Capital Market Supervisory Board No. Tor Thor. 80/2552 Re: Criteria for Undertaking Derivatives Business for Licensed Derivatives Brokers

ด4 UNOFFICIAL TRANSLATION Readers should be aware that only the original Thai text has legal force and that this English translation is strictly for reference. PAGE 4 Notification of the Securities