previous Quarterly To: The President The Stock Exchange of Thailand As a result of the global economic slowdown, trade and economic negotiations and in Thailand have continued to slow down to wait for

Limited and its subsidiaries (“the Company”) would like to clarify herewith the operating result for Quarter 1 ended 31 March 2018 as follows:- Financial Position As at 31 March 2018, total assets of

leasing liability of THB 294.40 million also as a result of the IFRS16 adoption. Equity owner of the parent dropped due to recognition of loss in the first quarter. Please be informed accordingly, Yours

Gross Margin 3.43% -1.88% Net Profit Margin -57.55% -67.77% Debt to Equity Ratio (Time) 410.39 16.47- Total Expenses Summary of 3 Months Operating Result as ended 30 June 2020 Construction Income In the

6.77 34.15 50.15 39.60 10.55 26.64 Key financial ratio related with operating result (%) For the quarterly Change For the six-month period Change 2Q20 2Q19 % YoY 2020 2019 %YoY Gross profit margin from

Analysis Report of the Financial Positions and Result of Business Operations. (Revise) To : President of The Stock Exchange of Thailand The Explanation and Analysis Report of the Financial Positions and

Explanation and Analysis Report of the Financial Positions and Result of Business Operations To : President of The Stock Exchange of Thailand The Explanation and Analysis Report of the Financial Positions and

(loss) from associates and JV (26) 159 (185) -116.4% Net profit attributable to equity holders 216 397 (181) -45.6% Total revenues in Q1 2019 were slightly lower than last year, primarily due to lower

weakened of demand in the electronics component market which impacted inventory revaluation. As a result of the above factors, Q2’19 gross margin dropped to 19.9%, compared to 22.0% in the same quarter last

receivables as of 31 March 2021 amounted Baht 16,285 million, an increase of 2,288 million baht or 16.3% up from its balance as of 31 December 2020. As a result of significantly increase in Sales Revenue