under Section 178: (1) balance sheet, annual income statement and auditor’s report; (2) report of chairman of the Stock Exchange of Thailand; (3) summary of annual report; (4) budget and action plan for

Microsoft Word - MD&A_2022 27 February 2023 Subject: Management Discussion and Analysis Ending 31 December 2022 To: The Managing Director The Stock Exchange of Thailand Unit: MB Summary of operating

and Analysis for 2018 To : Director and the President The Stock Exchange of Thailand Summary of the Company’s Financial Position and Operating Result for the 3 and 9 month period ended 30 Sep. 2018

Analysis for the three-month period ended 31 March 2018 To : Director and the President The Stock Exchange of Thailand Summary of the Company’s Financial Position and Operating Result for the three-month

: Management Discussion and Analysis for the year ended 31 December 2017 To : The President The Stock Exchange of Thailand Summary of the Company’s Financial Position and Operating Result for the year ended 31

-1- AIT (VP-SEC) 017E/2022 May 12, 2022 Subject: Management's Discussion and Analysis of Operating Results for Q1-2022 To: The President of the Stock Exchange of Thailand Summary of Operations Q1

-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

AIT (SVP-SEC) 015E/2016 May 9, 2017 Subject: Management's Discussion and Analysis of Operating Results for Q-2016 To: The President of The Stock Exchange of Thailand Summary of Operations Q1- 2016

-1- AIT (AVP-SEC) 023E/2017 10 August, 2017 Subject: Management's Discussion and Analysis of Operating Results for Q2-2017 To: The President of The Stock Exchange of Thailand Summary of Operations Q2

-1- AIT (VP-SEC) 026E/2017 7 November, 2017 Subject: Management's Discussion and Analysis of Operating Results for Q3-2017 To: The President of The Stock Exchange of Thailand Summary of Operations Q3