(Translation) UAC.CS/021/2018 November 14, 2018 Subject: Explanation of the operating results for the third quarter period ended September 30, 2018 To: President The Stock Exchange of Thailand

(Translation) UAC.CS/016/2019 November 7, 2019 Subject: Explanation of the operating results for the third quarter period ended September 30, 2019 To: President The Stock Exchange of Thailand

No. ADD 12/2021 15 November 2021 Subject: Management discussion and analysis for the performance for the nine-month period ended 30 September 2021 To: President The Stock Exchange of Thailand AddTech

No. ADD 18/2024 9 August 2024 Subject: Management discussion and analysis for the performance for the six-month period ended 30 June 2024 To: President The Stock Exchange of Thailand AddTech Hub

No. ADD 25/2024 12 November 2024 Subject: Management discussion and analysis for the performance for the nine-month period ended 30 September 2024 To: President The Stock Exchange of Thailand AddTech

. DOD2019/004 February 20, 2019 Subject: Management’s discussion and analysis of the Company’s operating results for the year 2018 period To: President The Stock Exchange of Thailand DOD Biotech Public

1/4 August 13, 2020 Re: Clarification of the operating results of company and its subsidiaries for the six months period end June 30, 2020 To: President The Stock Exchange of Thailand K.C. Property

May 14, 2020 Re: Clarification of the operating results of company and its subsidiaries for the three months period end March 31, 2020 To: President The Stock Exchange of Thailand K.C. Property

(Translation) 1/4 November 16, 2020 Re: Clarification of the operating results of company and its subsidiaries for the nine months period end September 30, 2020 To: President The Stock Exchange of

MD&A Q4_2018 (Eng.) February 21, 2019 Subject : Yearly Management Discussion and Analysis of 2018 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements