. Notification of the Securities and Exchange Commission No. KorMor. 10/2559 Re: Determination of Fees for Undertaking Business According to Licenses ________________________ By virtue of Section 14(2) of the

C U R IT IE S A N D E X C H A N G E C O M M IS S IO N & O F F IC E O F T H E S E C U R IT IE S A N D E X C H A N G E C O M M IS S IO N , T H A IL A N D SECURITIES AND EXCHANGE COMMISSION, THAILAND

To celebrate International Women’s Day 2024 and its theme “Invest in Women: Accelerate Progress,” the Stock Exchange of Thailand (SET), the Securities and Exchange Commission of Thailand (SEC

strictly for reference. 2 Notification of the Office of the Securities and Exchange Commission No. Sor Thor. 50/2559 Re. Report Forms of Securities Business Operators and Derivatives Business Operators

strictly for reference. Notification of the Office of the Securities and Exchange Commission No. Sor Thor. 50/2559 Re. Report Forms of Securities Business Operators and Derivatives Business Operators

securities, as well as the suitability for investment and the relevant risk exposure. The effectiveness of the Registration Statement neither represents that the Securities and Exchange Commission, the Capital

of the SEC Office (if any) and/or the conditions for the Stock Exchange of Thailand’s acceptance of securities (if any), including the compliance with such obligations or conditions in the following

required to sumbmit such attachments to the Stock Exchange of Thailand (SET) as well. - 3 - SEC Classification : ใชภ้ายใน (Internal) Part 1 Business Operation and Operating Results 1. Organizational

/2019 (additional) To Director and Manager The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the Acquisition of Assets (Schedule 1) Regarding the Purchase of the Ordinary Shares of KPN

- The Board Meeting of O.C.C. Public Company Limited No. 6/2560 held on October 10th, 2017 3. Date/ Month/ Year of Transaction - The land shall be registered and transferred of ownership by paying in one