Exchange of Thailand Enclosure: 1) Information Memorandum on Assets Acquisition of Master Ad Public Company Limited; 2) Capital Increase Report Form (F53-4); 3) Information Memorandum on the Issuance and

Assets and Connected Transaction for the Entire Business Transfer and Allocation of Securities to the Specific Investor (Private Placement) To The President The Stock Exchange of Thailand Attachment 1

(Additional) To President The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the Asset Acquisition (Addendum 1) regarding acquisition of shares of S-TREK (Thailand) Co., Ltd. in the

securities, as well as the suitability for investment and the relevant risk exposure. The effectiveness of the Registration Statement neither represents that the Securities and Exchange Commission, the Capital

offering1. In this regard, the Company shall disclose the following information: (1) Spending of the money obtained from each offering of equity or debt securities2. Spending Objectives Amount of Spent Money

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

Microsoft Word - SET-AIS-CP 007-2020 Acquisition of spectrum license.docx (Translation) AIS-CP 007/2020 19 February 2020 Subject: Acquisition of spectrum license To: President The Stock Exchange of

28 April 2020 At: ACC/HO 011/63 Re: Management Discussion and Analysis for the Quarter of 1/2020 To: President The Stock Exchange of Thailand Following the Coronavirus 2019 (COVID-19) pandemic and

Amount and Term of Bond Issuance, and Determination of Date of the Extraordinary General Meeting of Shareholders No.1/2018 To: The President of the Stock Exchange of Thailand Enclosure: 1. Capital Increase

Notification of the Board of Governors of the Stock Exchange of Thailand Re: the Disclosure of Information and Other Acts of Listed Companies Concerning the Acquisition and Disposal of Assets B.E. 2547 (2004