-1- AIT (VP-SEC) 003E/2023 16 February 2023 Subject: Management's Discussion and Analysis of Operating Results for the year 2022 and Q4-2022 To: The President of the Stock Exchange of Thailand

Business performed better in both YoY and QoQ from the B100 product price that adjusted upward quite significantly from various measures from the government sector to promote the use of Biodiesel fuel (B100

: Management’s Discussion and Analysis for Year 2018 ended as of December 31, 2018 Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (AIE) would like to submit the financial

Ref. DBP. 025 / 2018 February 21, 2018 Subject : Clarification on operating results of Year 2017 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its

Discussion and Analysis for Year 2018 ended as of December 31, 2018 (Edited) Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (AIE) would like to submit the financial

decreased by 77.0% YoY to THB 526mn, predominantly due to the decrease in revenue from hotel operations resulted from the impact of COIVD-19, and lower gain from exchange rates. These were partly offset by an

No. ED-MD2020-0008 March 12, 2020 Subject: Announcement of schedule AGM for the year 2020 and omission of dividend for year 2019. Attention: The President,The Stock Exchange of Thailand The Meeting

Ref. DBP. 066 / 2020 May 11, 2020 Subject : Clarification on Operating Results for the 1st Quarter ending March 31, 2020 To : President The Stock Exchange of Thailand Diamond Building Products Public

. Government enforced fully lockdown with varying degree of restriction within the 2Q causing significant economic impact. For telecom, new subscriber acquisition as well as handset sale remained weak while

Board No. Tor.Jor. 20/2008 regarding Criteria for entering into significant transaction that is the acquisition or disposal of assets and Notification of the Board of Governors of the Stock Exchange of