, increases in rental cost of the Company’s subsidiaries, as well as a business expansion of the oversea subsidiaries to increase customer base. In terms of proportion to total revenues, operating and

shareholding proportion is 49 percent and 51 percent, respectively. Both investors agreed to establish a joint venture company in Thailand with the registered capital of Baht 1 million, divided into 100,000

the Group’s investment activities and/or refinancing debts. 1.2 Securities Sale Deed to increase investment proportion in RATCH-Australia Corporation Limited On April 20, 2018, RH International

bid of the provincial waterworks authority with the individual percentage of the capital contributions in proportion of 49 : 51, respectively, of the registered capital of Baht 1 million. The captioned

Margin -17.27% -1.18% Net Profit Margin -98.99% -121.11% Debt to Equity Ratio (Time) (16.47) 3.18 Total Expenses Summary of the Annual Operating Result as ended 31 December 2019 Construction Income In 2019

first half of 2017, gross margin ratio of turnkey business is decreased compared to the same period of last year based on the increased scope of work of a project in order to complete the acceptance

% 27.58% 25.10% Profit attributable to owners of The Company 13.26% 11.26% 12.51% 11.52% Revenue Structure Breakdown by Type (Unit : Million Baht) 2Q2020 2Q2019 % Change Revenue Proportion Revenue

Altitude Development Company Limited Altitude Development Company Limited (“ALT”) had duty to prepare and submit financial statement and key financial ratio for year 2023 and within 1 April 2023

of electricity generation capacity and 30 tons per hour of steam generation capacity with the project cost of approximately Baht 3,105 million (the debt proportion is approximately 75 percent and the

shareholding proportion and will serve the business expansion in the future. The purchase of shares in Dara Harbour Co., Ltd. for land sublet rights On 14 July 2017, the Company purchased 26 mn shares, or 65% of