No. ADD 19/2022 11 May 2022 Subject: Management discussion and analysis for the performance for the three-month period ended 31 March 2022 To: President The Stock Exchange of Thailand AddTech Hub

of IEC through the transactions related to the 10.70 million baht purchasing contract of waste trommel screen machines of an IEC project in Had Yai District, Songkla Province. The contract was made

activities, impacted business owners and will likely result in more layoffs and lower household income. The ongoing drought also affected the purchasing power of households in the agricultural sector

household purchasing power remained weak. Despite improvements of both farm and nonfarm income, households’ purchasing power is compressed by the high debt burden and the waning confidence regarding

discussion and analysis for the year ended December 31, 2018 To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the audited financial statements of Wiik & Hoeglund Public

-Translation- Ref. No. PorBor. 050 / 2019 December 27, 2019 Subject: Entering into Transaction of Acquisition of Associate Company’s ordinary shares To: President The Stock Exchange of Thailand

amend project details, including inform every unitholder of the changes at least 60 days in advance. Within such period, asset management company must repurchase the fund?s units at least once, while

premises at the Pattaya branch to a third party at 160 million baht (the price appraised by an independent valuer was 366 million baht) and leased them back with right to repurchase  within three years at

-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

purchasing power of mid-to-low labor segment. Furthermore, the drought season also decreases incomes of agriculture workforces, and as a result, FSMART (or the “Company”)'s total usage amount decreased