Unofficial Translation 14 June 2021 Attn: President of the Association of Thai Securities Companies President of the Association of Investment Management Companies Managers All securities companies All

Reference ID Char(13)* 13 M เลขที่ Reference 3234567890123 Account ID Char(10) 10 M เลขทะเบียนผู้ถือหุ้น 0000000012 Shareholder Type Char(1) 1 M ประเภทบุคคล 0 = Thai Juristic 1 = Thai individual 2 = Foreign

Office of the Securities and Exchange Commission, for the convenience of those not familiar with the written Thai language. Every effort has been made to convey the meaning and effect of each provision of

important to note that this is an unofficial English translation which has not been subjected to an official review by the SEC Office. Readers should be aware that only the original Thai text has legal force