service from any service providers, such service providers shall have financial stability with capability and readiness to provide service and comply with rules specified by the SEC or the Office and code

) ................................................................................................................................................................ 2. Type of the Applicant:  Juristic person established under Thai Law  Limited company  Public limited company  Stock Exchange of Thailand  Over-the-counter trading center  Association related

-Translation- Ref. No. PorBor. 050 / 2019 December 27, 2019 Subject: Entering into Transaction of Acquisition of Associate Company’s ordinary shares To: President The Stock Exchange of Thailand

กรุงเทพฯ 10330 โทร 02 654 3344 โทรสาร 02 654 3323 ทะเบียนเลขท่ี 0107554000232 No. PACE-L19/2018 Date 10 April 2018 Subject Acquisition and Disposition of Assets To: President Stock Exchange of Thailand

provision of services by the Stock Exchange of Thailand and a securities trading center not participating in the regulatory sandbox , and that the service user’s consent is required prior to provision of such

conditions different from the provision of services by the Stock Exchange of Thailand and a securities trading center not participating in the regulatory sandbox, and that the service user’s consent is

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 (Amended) To: The President The Stock Exchange of Thailand

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 (Amended 2) To: The President The Stock Exchange of

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 (Amended 3) To: The President The Stock Exchange of

DCORP 023/2018 February 28, 2018 Subject: Report on the overall operation for year 2017 ended December 31, 2017 and the decrease in the overall operation more than 20 percent. Attention: President Stock