September 30, 2019 To The President The Stock Exchange of Thailand Management’s Discussion and Analysis Consolidated Financial Statements For nine months ended September 30, 2019 Overall Group Performance

-1- AIT (VP-SEC) 014E/2024 May 9, 2024 Subject: Management's Discussion and Analysis of Operating Results for Q1-2024 To: The President of the Stock Exchange of Thailand Summary of Operations Q1-2024

November 13, 2017 The President & Director, The Stock Exchange of Thailand (SET) LETTER OF CLARIFICTION: CENTEL’s Q3/2017 & YTD 9 MONTHS /2017 OPERATING PERFORMANCE RESULTS This is to inform the SET

1 --Translation-- Sor Gor 7/2018 January 19, 2018 Subject: Management Discussion and Analysis for the year ended December 31, 2017 (Unaudited) To: The President The Stock Exchange of Thailand

1 --Translation-- Sor Gor 11/2018 February 22, 2018 Subject: Management Discussion and Analysis for the year ended December 31, 2017 (Audited) To: The President The Stock Exchange of Thailand

. Total equity was at Bt90,678mn, increasing 5.7%. Financial Ratio Profitability: AIS continued delivering healthy profitability with an EBITDA margin of 49.4% from the focus on profitable revenue and well

lower long term borrowing from debt repayment and lower spectrum payable and lease liability. Interest-bearing debt stood at Bt116,749mn, decreasing by -8.2%. Total equity was at Bt88,278mn, decreasing

Transactions Deemed as Acquisition or Disposal of Assets dated August 31, 2008 (as amended) and the Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure of Information and

As of 31 March 2020, owners’ equity amounted to Baht 40,153.7 million, decreased by Baht 1,009.1 million or 2.5% when compared to the end of the year 2019. This includes the treasury stock purchased

and equity instruments, retirement mutual fund (RMF) and long term equity fund (LTF). 4.4 Currency Exchange Service is the service for currency exchanges including USD (US Dollar), EUR (Euro), GBP