Reef:020/1999 Ref : 22/2019 May 14, 2019 Subject : The explanation of operating results for the first quarter of 2019 To : The SET President Vibhavadi Medical Center Plc. would like to disclose the

district, Bangsue area, Bangkok. The purpose is to be exhibition and public relations center; to educate on Vanachai Group product knowledge, to be the Vanachai Group distribution center, and to be the

Reef:020/1999 Ref : 35/2019 August 14, 2019 Subject : The explanation of operating results for the second quarter of 2019 To : The SET President Vibhavadi Medical Center Plc. would like to disclose

Reef:020/1999 Ref : 62/2018 November 13, 2018 Subject : The explanation of operating results for the Third quarter of 2018 To : The SET President Vibhavadi Medical Center Pcl. would like to disclose

ที่ ITV / 2545 - Translation - AIS-CP 015/2020 18 June 2020 Subject: Establishment of new joint venture and subsidiary company To: President The Stock Exchange of Thailand Advanced Info Service Plc

Excellence Awards in the Service Innovation Category. For further inquiries or reports on suspicious investment scams, please contact the SEC Complaint Center via Hotline 1207, extension 22 or the SEC website

. • Other service revenue was Bt1,403mn, increasing 22% YoY and 15% QoQ, composed mainly from enterprise business which was driven by growing demand for Cloud, Data center, and enterprise solution as well as

FY21 MD&A Advanced Info Service Plc. Executive Summary Maintained leadership in mobile business The COVID-19 has induced an economic slowdown and limited business activities, affecting weak consumer

126.2% -17.5 21.3 38.8 222.0% Rental and Service income Rental and service income for the second quarter of 2020 is 63.3 million baht decrease from the 2nd quarter of year 2019 47.0% and total income for

% Total revenues 443 503 (60) -12% Sale revenues 431 485 (54) -11% Service revenues 7 13 (6) -44% Total expenses 439 508 (69) -14% Cost of sales 369 423 (54) -13% Cost of service 5 11 (6) -61% Selling