rules regarding outsourced function as prescribed by the Securities and Exchange Commission, the Capital Market Supervisory Board or the SEC Office, including the operational guidance specified by the

1,768 Total 93,590 93,590 3Q24 MD&A Advanced Info Service Plc. 7 2024 Guidance vs. 9M24 Performance Guidance 9M24 Performance Core service revenue Around 13 - 15% 19% EBITDA Around 14 - 16% 20% CAPEX

of Conduct and Anti-Corruption Policy via the KBank e-Learning system  Encouraging employees to attend market conduct training courses  Communicating to employees for prevention of insider trading We

 อบรมและประเมินความรู้ความเข้าใจเก่ียวกับการปฏิบตัิตามจรรยาบรรณของพนกังานและนโยบาย การปอ้งกนัการหาผลประโยชน์ในหน้าที่โดยมิชอบผา่นระบบ e-Learning  อบรมหลกัสตูร Governance, Risk Management and Compliance

-Translation- No. ECF2 044/2561 3 December 2018 Subject: Notification of the resolutions of the Board of Directors’ Meeting approving the investment in purchasing the ordinary shares of S-TREK (Thailand) Co., Ltd., capital increase, and the issuance and allocation of the newly issued ordinary shares to the specific person under the private placement basis, and the schedule for Extraordinary General Meeting No. 1/2019 To President The Stock Exchange of Thailand Enclosure 1. Information Memorandum...

No. ECF2 044/2561 3 December 2018 Subject: Notification of the resolutions of the Board of Directors’ Meeting approving the investment in purchasing the ordinary shares of S-TREK (Thailand) Co., Ltd., capital increase, and the issuance and allocation of the newly issued ordinary shares to the specific person under the private placement basis, and the schedule for Extraordinary General Meeting No. 1/2019 (Additional) To President The Stock Exchange of Thailand Enclosure 1. Information Memorandum...

-Translation- No. ECF2 005/2019 17 January 2019 Subject: Cancellation of the resolutions of the Board of Directors’ Meeting No. 13/2018 in relation to the investment in the ordinary shares of S-TREK (Thailand) Co., Ltd., the investment in the ordinary shares of S-TREK (Thailand) Co., Ltd., capital increase, and the issuance and allocation of the newly issued ordinary shares to the specific person under the private placement basis, and the schedule for 2019 Annual General Meeting of Shareholders...

. UK Stewardship Code: Guidance for investors. 9. National Association of Pension Funds, 2014. NAPF Engagement Survey: Pension Funds’ Engagement with Investee Companies. 10. Securities and Futures

Olefins and Specialty Chemicals businesses are expected to remain weak for the rest of 2019. This changed ecosystem necessitated a comprehensive review of our 2019 EBITDA Guidance. At this juncture, we

EBITDA Guidance. At this juncture, we believe it may be prudent to lower the previous guidance of core EBITDA for 2019 by 10-15%. Our M&A projects continue to drive value-accretive growth. In 2018, the