No. ADD 22/2023 9 November 2023 Subject: Management discussion and analysis for the performance for the nine-month period ended 30 September 2023 To: President The Stock Exchange of Thailand AddTech

Company started trading its newly issued stock on 15 February 2017. Issued and paid-up share capital Ownership interest 30 June 2017 30 June 2017 Name of the entity Type of business Baht % 80.00 99.27 Car

- Translation- July 11, 2019 Subject: Notification the disposition of investment in shares. To: Director and Manager The Stock Exchange of Thailand Eureka Design Public Company Limited (the “Company”) would like

- Translation- July 11, 2019 Subject: Notification the disposition of investment in shares. (Revised) To: Director and Manager The Stock Exchange of Thailand Eureka Design Public Company Limited (the “Company

- Translation- July 22, 2019 Subject: Notification the disposition of investment in shares. (Revised #2) To: Director and Manager The Stock Exchange of Thailand Eureka Design Public Company Limited (the “Company

Information Memorandum regarding the Acquisition of Assets of Master Ad Public Company Limited (List 2) Master Ad Public Company Limited (the “Company”) approved by the meeting of the executive committee held

policies. As a result, part of returns on investment was spent on corporate social responsibility activities. Quality Assessment of the Annual General Meeting of Shareholders Thai Investors Association has

obligation: 26 August 2020 2.1 (✔) Acquisition ( ) Disposition ( ) Through the Stock Exchange of Thailand via a securities company: Thai Securities company Foreign Securities company Big lot (please specify

obligation: 30 November 2020 2.1 (✔) Acquisition ( ) Disposition ( ) Through the Stock Exchange of Thailand via a securities company: Thai Securities company Foreign Securities company Big lot (please specify

obligation: 25 December 2020 2.1 (✔) Acquisition ( ) Disposition ( ) Through the Stock Exchange of Thailand via a securities company: Thai Securities company Foreign Securities company Big lot (please specify