-2033-9660 27 January 2021 Attention: President of the Association of Thai Securities Companies President of the Association of Investment Management Companies Managers All securities companies All

numerical assessment results, if possible), tendency or probability of occurrence. Supplementary information on specific measures already put in place and substantial alleviation of risk impacts may also be

occurrence. Supplementary information on specific measures already put in place and substantial alleviation of risk impacts may also be included. 4. Research and development Explain research and development

information on specific measures already put in place and substantial alleviation of risk impacts may also be included. 3. Business Sustainability Development 3.1 Policy and objectives of sustainable management

Derivatives Business Letter No. …………… Date ...........………………….. Attention: Secretary General Office of the Securities and Exchange Commission Re: Application for Approval of Appointment of an Executive of a