28 February 2020 Subject Management Discussion and Analysis for the years ended December 31, 2019 To The President The Stock Exchange of Thailand Do Day Dream Public Company Limited (the “Company” or

Discussion and Analysis for 1st quarter ended as of March 31, 2017 (Revised 2) Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (AIE) would like to submit the company and

(Translation) th August, Ref: SET-- Re: Management's Discussion and Analysis and Operating Results for Quarter / Dear: The President The Stock Exchange of Thailand Filter Vision Public Company

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

. Attention: President Stock Exchange of Thailand Demeter Corporation Public Company Limited (“DCORP”) (“The Company”) would like to submit the reviewed financial statements for the first six-month of the year

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 11 August 2017 Re: To clarify the financial statements as of 30 June 2017 To: President The Stock Exchange of Thailand WHA Corporation Public Company Limited (the

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Ref. AU 011/2017 - Translation - 11 August 2017 To: Director and the President The Stock Exchange of Thailand Management Discussion and Analysis for the three-month and the six-month period ended 30

1 Ref: AC.031/2017 15 August 2017 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

ปีท่ีผ่านมา ส่งผลกระทบถึงกลุ่มผูใ้ชสิ้นคา้ ปลายทาง (End User) ชะลอการสัง่ซ้ือเหล็ก จากร้านค้า และส่งผลกระทบต่อเน่ืองถึง กลุ่มลูกคา้รายใหญ่ชะลอการสั่งซ้ือสินค้า เพื่อ Stock นอกจากน้ี การท่ีมีฝนตกในช่วง