The Securities and Exchange Commission (SEC), in collaboration with the Investment Banking Club and the Stock Exchange of Thailand (SET), organized a seminar titled “Enhancing IPO Standards: Key

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PowerPoint Presentation SEC Classification : ใชภ้ายใน (Internal) 1 สงิหาคม 2565 การเตรยีมการของผูจ้ดัเตรยีมค าขอ/ แบบรายงาน และเจา้หนา้ทีป่ฏบิตักิาร SEC Classification : ใชภ้ายใน (Internal) 2

accountants, promote their contribution to the preparation of financial statements of IPO and PO companies, and develop sustainable quality of financial reporting and internal control system in the long run

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ที่ ITV / 2545 - Translation - AIS-CP 015/2020 18 June 2020 Subject: Establishment of new joint venture and subsidiary company To: President The Stock Exchange of Thailand Advanced Info Service Plc

factual misstatements, limitations of the accounting systems, insufficient internal coordination, and the lack of awareness of the role and duties of the chief financial officer (CFO) and accountants in

Bualuang Securities Public Company Limited Between 1 September 2022 and 15 September 2024, Bualuang Securities Public Company Limited (“Bualuang Securities”) maintained an internal investment

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

2019-11-14 - ชี้แจงเปลี่ยนแปลงมากกว่า 20% Q3-2562 - ENG November 14, 2019 Subject: The clarification of the quarter 3/2019’s profit changing more than 20% Attention: The President The Stock Exchange