into Material Transactions Deemed as Acquisition or Disposal of Assets, and the Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure of Information and Other Acts of

(Translation) th August, Ref: SET-- Re: Management's Discussion and Analysis and Operating Results for Quarter / Dear: The President The Stock Exchange of Thailand Filter Vision Public Company

1 Ref: AC.031/2017 15 August 2017 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

1 Ref: AC.042/2017 14 November 2017 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

654 3323 No. PACE 201711/01 Date: 14 November 2017 Subject: Explanation of the Operating Results for the Third Quarter of the Year 2017 (Q3 2017) Changing over 20% To: The President The Stock Exchange

654 3323 No. PACE IR2018/007 Date: 9 February 2018 Subject: Explanation of the Operating Results for the Third Quarter of the Year 2017 (Q3 2017) Changing over 20% To: The President The Stock Exchange

1 Ref: AC.004/2018 26 February 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

-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 Ref: AC.021/2018 14 August 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

1 Ref: AC.028/2018 13 November 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating