แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS009/2562 May 09, 2019 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for the

1 - Translation – Bor.Chor.Ngor 0328/2017 September 26, 2017 Subject: Connected transaction : Renewal of a hotel management advisor agreement Attn : President The Stock Exchange of Thailand With

1 / 2 No.IR.018/2020 14 May 2020 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited (the

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS016/2017 August 11, 2017 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for the

No: AH 02022024 February 29th, 2024 Subject: Management Discussion & Analysis (MD&A) for the financial statements of fiscal year 2023 ended as of December 31, 2023 To: The President The Stock Exchange

/2560 20.0949 0.2123 19.8825   246003292003-1 Click here to display all results Stock: common stock or preferred stock or depository receipt (DR). Convertible Securities: warrant or convertible debenture

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0.4705 20.4424 04/12/2563 19.9718 0.4705 20.4424   246007712012-1 Stock: common stock or preferred stock or depository receipt (DR). Convertible Securities: warrant or convertible debenture or other

concerning Investment of Funds; “business day” means a day on which management companies are open for normal business; “Stock Exchange” means the Stock Exchange of Thailand; “provident fund with multiple