Schedule of Shareholders' meeting Subject : Schedule of Annual General Meeting of Shareholders Date of Board resolution : 10-Feb-2023 Shareholder's meeting date : 21-Apr-2023 Beginning time of meeting (h:mm) : 10 : 00 Record date for the right to attend the : 24-Feb-2023 meeting Ex-meeting date : 23-Feb-2023 Significant agenda item : - Cash dividend payment Venue of the meeting : The meeting will be held via electronics media conferencing(e-AGM) only. Remark : Agenda No. 1 To consider and adopt the minutes of the Annual General Meeting of Shareholders 2021, held on April 28, 2022 Agenda No. 2 To consider and acknowledge the performance of the Company for the year 2022 and One Report 2022 Agenda No. 3 To consider and approve the audited financial statements such as the income statement and balance sheet for the fiscal year 2022 Agenda No. 4 To consider and approve the appropriation of profit to legal reserve and dividend payment for the year 2022 Agenda No. 5 To consider and approve bonus of year 2022 and remuneration for the year 2023 to be paid to the Board of Directors Agenda No. 6 To consider and approve the appointment of the new directors to replace the Directors who have resigned due to the rotation. Agenda No. 7 To consider and approve the appointment of the external auditor and audit fee for the year 2023 Agenda No. 8 To consider and approve the amendment of Article 27, 31, 34, 36 and 45 of the Posco-Thainox's Articles of Association Agenda No. 9 Other Business (if any) ______________________________________________________________________ Dividend payment / Omitted dividend payment Subject : Cash dividend payment Date of Board resolution : 10-Feb-2023 Type of dividend payment : Cash dividend payment Record date for the right to receive : 24-Feb-2023 dividends Ex-dividend date : 23-Feb-2023 Payment for : Common shareholders Cash dividend payment (baht per share) : 0.0243 Par value (baht) : 1.00 Payment date : 19-May-2023 Paid from : Operating period from 01-Jan-2022 to 31-Dec-2022 ______________________________________________________________________ This announcement was prepared and disseminated by listed company or issuer through the electronic system which is provided for the purpose of dissemination of the information and related documents of listed company or issuer to the Stock Exchange of Thailand only. The Stock Exchange of Thailand has no responsibility for the correctness and completeness of any statements, figures, reports or opinions contained in this announcement, and has no liability for any losses and damages in any cases. In case you have any inquiries or clarification regarding this announcement, please directly contact listed company or issuer who made this announcement.