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

taking into consideration the redevelopment of the flagship Dusit Thani Bangkok, which will cease operations in its current form on 5 January 2019, the management of DTC has forecasted stable or resilient

Agreements 3% Cost of Jan - Jun 2020 = 1,251.02 million Baht Revenue Of Jan - Jun 2020 = 2,157.63 million Baht EASTERN WATER RESOURCES DEVELOPMENT AND MANAGEMENT PUBLIC COMPANY LIMITED MANAGEMENT DISCUSSION

Management Discussion and Analysis for Interim Business Operations Financial Performance for the year ended December 31 , 2018 (Unit : M ill ion Baht) 2018 2017 Inc./(Dec.) % Construction income

SAAM Energy Development Public Company Limited - 1 - 10 May 2019 Subject: Management Discussion and Analysis for the period ended 31 March 2019 To: The President The Stock Exchange of Thailand SAAM

“Company” or “we” or “our” or “us”) would like to inform management discussion and analysis for its results of operations from the consolidated financial statements for the three months period ended March 31

subsidiaries’ business. AEONTS and its subsidiaries enter into “Business Administration Agreement” and pay management fee to AFS in the amount not more than 92,582,570 baht. This amount was calculated based on

SAAM Energy Development Public Company Limited - 1 - 9 August 2019 Subject: Management Discussion and Analysis for the period ended 30 June 2019 To: The President The Stock Exchange of Thailand SAAM

www.aapico.com บริษัท อาปโก ไฮเทค จํากัด (มหาชน) AAPICO HITECH PUBLIC COMPANY LIMITED Ref No: AH 03082019 August 14, 2019 Subject: Management Discussion & Analysis (MD&A) for the financial statements of the 2nd

SAAM Energy Development Public Company Limited - 1 - 7 November 2019 Subject: Management Discussion and Analysis for the period ended 30 September 2019 To: The President The Stock Exchange of