-1- AIT (VP-SEC) 012E/2021 May 6, 2021 Subject: Management's Discussion and Analysis of Operating Results for Q1-2021 To: The President of the Stock Exchange of Thailand Summary of Operations Q1–2021

-1- AIT (VP-SEC) 033E/2020 November 10, 2020 Subject: Management's Discussion and Analysis of Operating Results for Q3–2020 To: The President of The Stock Exchange of Thailand Summary of Operations

-1- AIT (VP-SEC) 017E/2024 8 August 2024 Subject: Management's Discussion and Analysis of Operating Results for Q2-2024 To: The President of the Stock Exchange of Thailand Summary of Operations Q1

1 / 5 MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS • Explanation and analysis of financial performance for the three-month period ended 30 June 2020

Exchange of Thailand Business Overview In the year 2018, the Thai economy remained stable with the volatility of global economy including the impact of the trade war between the United States and China

customer. In addition, the outbreak of COVID-19 has affected most businesses and industries, such as supply chain systems, consumer spending or production disruptions, as well as delayed operations

analysis report of the financial positions and result of business operations differences more than 20% compare to the previous year. To : Board of Governors and the President of The Stock Exchange of

-1- AIT (VP-SEC) 013E/2018 May 8, 2018 Subject: Management's Discussion and Analysis of Operating Results for Q1-2018 To: The President of The Stock Exchange of Thailand Summary of Operations Q3

-1- AIT (VP-SEC) 016E/2019 May 7, 2019 Subject: Management's Discussion and Analysis of Operating Results for Q1-2019 To: The President of The Stock Exchange of Thailand Summary of Operations Q1

- 1 - AIT (VP-SEC) 024E/2019 August 8, 2019 Subject: Management's Discussion and Analysis of Operating Results for Q2-2019 To: The President of The Stock Exchange of Thailand Summary of Operations Q2