Securities and Exchange Commission No. Nor Por. 3/2559 Re: Guidelines for Establishment of Information Technology System ______________________ Whereas the Notification of the Capital Market Supervisory Board

Thailand Advance Info Service Public Company Limited (AIS) would like to inform the spectrum auction result participated by Advanced Wireless Network Co.,Ltd. (AWN), a 99% subsidiary of the Company, on 16

procurement in previous years, such as the High-Speed Internet Service Project in Remote Area and the New Parliament Project in Information and Communication Technology. In terms of total operating expenses in

-scale projects had delayed their procurement in previous years, such as the High-Speed Internet Service Project in Remote Area and the New Parliament Project in Information and Communication Technology

Service Project in Remote Area and The New Parliament Project in Information and Communication Technology. In addition, there are some large-scale projects which had just received and delivered in Q2–2019

Company had ever received before, as well as there were many large projects which their value were more than 100 MB such as The New Parliament Project in Information and Communication Technology, the High

from ongoing projects from the previous quarter has been completed and their work can be delivered such as the Project of information and communication technology Installation of the New Parliament with

1 2Q20 MD&A Advanced Info Service Plc. Executive Summary 2Q20 reflected the full effect of COVID-19 The effect from COVID-19 pandemic which had begun since Feb- 20 continued to fully develop in 2Q20

- Mr. Somchai Lertsutiwong Chief Executive Officer Advanced Info Service Plc. 1 6 October 2017 - Translation – Information Memorandum regarding the Entry into the Connected Transaction for the

2- and 3-Carrier Aggregation (CA) technology. During the quarter, the competition focused on acquiring/maintaining quality customers in postpaid segment through handset campaigns and pricing strategy