1 2017 MD&A Advanced Info Service Plc. Executive Summary In 2017, mobile business improved from stronger 4G positioning amidst competitive environment. Competitive landscape remained challenging in

1 2Q21 MD&A Advanced Info Service Plc. Executive Summary Prolonged economic impact from new phase of pandemic in 2Q21 As the new phase of pandemic re-emerged in the second quarter, we observed the

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

each customer separately from the account of its own, in accordance with the rules specified in the notification of the SEC. In cases where the derivatives business operator has advanced its own asset to

advanced machine learning, we investigate the effect of board gender diversity on corporate culture. Our results demonstrate that greater board gender diversity considerably strengthens positive corporate

subsidiaries for the three- month period ended March 31, 2019. The Company would like to clarify on the operating results as follows: Revenue  For Q1/2019, Total consolidated revenues advanced to Baht 387.19

subsidiaries for the three- month period ended March 31, 2020. The Company would like to clarify on the operating results as follows: Revenue • For Q1/ 2020, total consolidated revenues advanced to Baht 424.91

information within 30 days. In June 2017, the SEC required EARTH to arrange a special audit on the transactions of the advanced payments for goods and the payment for the right to purchase goods. The EARTH’s

Ref: ACC6401 / 001 March 01, 2021 Subject Clarification of Operating results for the year 2020, Ending December 31, 2020 Attention: Director and Manager The Stock Exchange of Thailand As Advanced

, Thailand, made the following resolutions pertaining to the important agenda as follows: 1) Liquidation of Advanced Biochemical Europe Resolved to approve the liquidation of Advanced Biochemical Europe