. Capitalization period for capitalized interest on investment in buildings, plants, and machinery ceases when the asset is ready for use (interest expense incurred during ongoing construction is eligible for

Investment in Underground Optic Fiber Network Project On February 5, 2019, the Company and ALT Telecom Public Company Limited (“ALT”) had entered into a Shareholders Agreement for the participation in the

Ref. No. IVL 004/02/2020 26 February 2020 The President The Stock Exchange of Thailand Subject: Submission of Annual Audited Financial Statements and the Management Discussion and Analysis of

1 --Translation- Sor Gor 75/2017 July 21, 2017 Subject: Management Discussion and Analysis for the second quarter ended June 30, 2017 (Unaudited) To: The President The Stock Exchange of Thailand

1 --Translation- Sor Gor 85/2017 August 24, 2017 Subject: Management Discussion and Analysis for the second quarter ended June 30, 2017 (Audited) To: The President The Stock Exchange of Thailand

1 --Translation-- Sor Gor 106/2017 October 20, 2017 Subject: Management Discussion and Analysis for the third quarter ended September 30, 2017 (Unreviewed) To: The President The Stock Exchange of

1 --Translation-- Sor Gor 113/2017 November 9, 2017 Subject: Management Discussion and Analysis for the third quarter ended September 30, 2017 (Reviewed) To: The President The Stock Exchange of

amongst the companies with the honor of Thailand Sustainability Investment 2017 by the Stock Exchange of Thailand, having demonstrated outstanding achievements in sustainable business operations with utmost

ลงทุนได้ (Non-Investment Grade) ตราสารที่ไม่ได้รับการจัดอันดับความ น่าเชื่อถือที่ตัวตราสารและที่ผู้ออกตราสาร (Unrated) และหลักทรัพย์ที่ไม่มีการซื้อขายในตลาดหลักทรัพย์ (Unlisted Securities) โดยขึ้นอยู่กับ

as from 1 January 2001. Clause 2. In this notification, unless the contrary intention appear, “Securities”1 means the securities which are not debt instruments and investment units; “Securities company