-1- AIT (VP-SEC) 005E/2022 21 February 2022 Subject: Management's Discussion and Analysis of Operating Results for the year 2020 and Q4-2020 To: The President of the Stock Exchange of Thailand

-1- AIT (VP-SEC) 005E/2022 21 February 2022 Subject: Management's Discussion and Analysis of Operating Results for the year 2021 and Q4-2021 To: The President of the Stock Exchange of Thailand

Nation U Co., Ltd., the subsidiary of the Company, and change in the accounting policy regarding the record of the land valuation To: Director and Manager The Stock Exchange of Thailand (SET) Attachment

SAAM Energy Development Public Company Limited - 1 - 10 May 2019 Subject: Management Discussion and Analysis for the period ended 31 March 2019 To: The President The Stock Exchange of Thailand SAAM

SAAM Energy Development Public Company Limited - 1 - 9 August 2019 Subject: Management Discussion and Analysis for the period ended 30 June 2019 To: The President The Stock Exchange of Thailand SAAM

: Management explanation and analysis for three-month period ended September 30, 2017 Attention : The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited (“the Company”) would

ที่ FPI Ref. FPI.006/2019 10 May 2019 Subject : Management Discussion & Analysis of Performance Results of Quarter 1/2019 To : Board of Directors and President of The Stock Exchange of Thailand

) Attention: President The Stock Exchange of Thailand Reference Letter: The Letter of the Company dated 10 April 2018 re: Acquisition and Disposition of Assets Pace Development Corporation Public Company

SAAM Energy Development Public Company Limited - 1 - 6 November 2020 Subject: Management Discussion and Analysis for the period ended 30 September 2020 To: The President The Stock Exchange of

addition, the company had the future loss from trading securities as amount of 44.76 million baht caused from the change of market price of stock from the investment at June 30, 2019. The stock price is