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28 April 2020 At: ACC/HO 011/63 Re: Management Discussion and Analysis for the Quarter of 1/2020 To: President The Stock Exchange of Thailand Following the Coronavirus 2019 (COVID-19) pandemic and

Manager The Stock Exchange of Thailand The Board of Directors Meeting of O.C.C. Public Company Limited No. 5/2561 held on October 17, 2018 had resolved to approve the purchase of ordinary shares of Shop

banks to protect its users from increasingly sophisticated online investment and payment scams. In Thailand, Meta has joined forces with the Securities and Exchange Commission (SEC) to help raise

Internal Control Sufficiency Evaluation Form Concepts and Objectives Good internal control is essential for a listed company or a public company as it can help preventing, managing, mitigating risks

Definition of “Executives” under Chapter 3/1 of the Securities and Exchange Act B.E. 2535 (1992) as Amended by the Securities and Exchange Act (No. 4) B.E. 2551 (2008)

Rules, Conditions and Procedures for Filing of Annual Financial Statements and Preparation of Reports of the Stock Exchange of Thailand

Offering for Sale of Certificates Representing Interest from Underlying Securities by the Subsidiary of the Stock Exchange of Thailand