[COMPANY NAME] Ref.: EFORL IR037/2020 September 11, 2020 Subject: Management Discussion and Analysis Quarter 2 Ending 30 June 2020 To President The Stock Exchange of Thailand 1. Overview financial

No. ADD 4/2022 23 February 2022 Subject: Management discussion and analysis for the performance of the year 2021 ended 31 December 2021 To: President The Stock Exchange of Thailand AddTech Hub Public

include pipeline transport, waste management, ICT infrastructure and projects with various kinds of infrastructure assets.Under the SEC strategic plan, the SEC aims the Thai capital market to become the GMS

include pipeline transport, waste management, ICT infrastructure and projects with various kinds of infrastructure assets. Under the SEC strategic plan, the SEC aims the Thai capital market to become the

remain accountable to their shareholders and investors. These practices not only affect listed companies’ strategic management, but also enable companies to better address their strengths, weaknesses

Ref. No. IVL 002/05/2020 12 May 2020 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

- Translation - Page 1 of 6 CBG 052/2017 14 November 2017 Subject Management discussions and analysis for the 3-month and 9-month periods ending 30 September 2017 To President The Stock Exchange of

Charge for additional Utilities demand and Service Fees for Wastewater Management. 3 Gross Profit from Operation excludes Other Income from Utilities Business. 4 Other Incomes mainly consists of Interest

29 July 2020 At: ACC/HO 014/63 Re: Management Discussion and Analysis for the Quarter of 2/2020 To: President The Stock Exchange of Thailand The Coronavirus 2019 (COVID-19) pandemic has had a

Summary of operations and the factors that make a significant change Summary of Operations for the Year 2021 Annual Balance Change 2021 2020 2021 VS 2020 Million baht (MB) (MB) % Total Revenue 7,034.7