คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 11 August 2020 Re: To clarify the financial statements as of 30 June 2020 To: President The Stock Exchange of Thailand WHA Corporation Public Company Limited (the

, Tambol Ban Lane, Amphur Bangpa-in, Ayuthaya Province 13160, Thailand Tel (035) 350 880 Fax (035) 350 881 Website: www.aapico.com บริษัท อาปิโก ไฮเทค จ ากดั (มหาชน) AAPICO HITECH PUBLIC COMPANY LIMITED Ref

June 30th, 2023 To: The President The Stock Exchange of Thailand AAPICO Hitech Public Company Limited (“the Company”) would like to explain the consolidated financial statements of the Company for the

-1- AIT (VP-SEC) 003E/2024 15 February 2024 Subject: Management's Discussion and Analysis of Operating Results for the year 2023 and Q4-2023 To: The President of the Stock Exchange of Thailand

Management Discussion & Analysis of Business Operation Bangchak Corporation Public Company Limited For the first quarter ended March 31st, 2018 Management Discussion and Analysis of Business

Management Discussion & Analysis of Business Operation Bangchak Corporation Public Company Limited For the 3rd quarter ended September 30th, 2018 Management Discussion and Analysis of Business

กัด 117,401.64 44.32 TISCO SECURITIES CO., LTD. 2 กสิกรไทย จํากัด (มหาชน) 44,790.50 16.91 KASIKORN SECURITIES PUBLIC COMPANY LIMITED 3 ไทยพาณิชย จํากัด 43,841.30 16.55 SCB SECURITIES COMPANY LIMITED 4

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

Ref. No. IVL 005/11/2019 11 November 2019 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of