June 30, 2020 To The President The Stock Exchange of Thailand Management’s Discussion and Analysis Consolidated Financial Statements For six months ended June 30, 2020 Overall Group Performance Table 1

3.0% QoQ, mainly from the decrease in mobile top-up value as a result of the low-season in mobile industry, the marketing campaigns to promote postpaid and e-Wallet usages, the increase in number of

-1- AIT (VP-SEC) 016E/2021 August 10, 2021 Subject: Management's Discussion and Analysis of Operating Results for Q2-2021 To: The President of the Stock Exchange of Thailand Summary of Operations Q2

should be aware that only the original Thai text has legal force and that this English translation is strictly for reference. The SEC, Thailand can neither undertake any responsibility for its accuracy

the original Thai text has legal force and that this English translation is strictly for reference. The SEC, Thailand can neither undertake any responsibility for its accuracy, nor be held liable for

Advertising Association Thailand (DAAT) recorded THB 9,477mn of advertising expenditures in 2016 and it is expected to grow by 24% in 2017 mainly driven by the acceleration of internet access and the ubiquity

Limited To: Secretary-General, The Office of The Securities and Exchange Commission (the “SEC”) President, The Stock Exchange of Thailand (the “SET”) Board of Directors and Securities Holders of Glow Energy

group, in order to set up two joint ventures both in Thailand and Indonesia, which expected to become operational by mid-2018.  On 18 January 2018, the Company has entered into an agreement to acquire 65

Authority of Thailand (EGAT) because of the reserved shutdown following EGAT dispatch instruction; IRPC Clean Power Phase 1 (IRPC-CP Phase 1) ceased the gas turbine generator to commissioning with Phase 2 in

ended 31 March 2020 2 | P a g e *Value may differ by one decimal point due to rounding Highlights 1/ One-time expenses in Q1/2019 were resulted from the employee retirement benefit (net after tax). 2