1 Calculated from operating revenue 2 Net Profit attributable to equity holders of the Company/ operating revenue 3 Net Profit (Annualised) / Average Total Shareholders’ equity (average of outstanding

Adjusted EBITDA is calculated from EBT plus Finance cost, Depreciation and Amortization, Interest income from Loan to JVs and deduct Interest income, unrealized loss from exchange rates and non-recurring

operational results were calculated based on the consolidated financial statements which consist of the Expressway Business, Rail Business, Commercial Development Business, and return on investment in other

Transaction in accordance with the Securities and Exchange Commission and Stock Exchange of Thailand Notifications, total 8.96 million Baht, which is calculated to be 0.08% of the Company’s Net Tangible Assets

198.09 million Baht and 195.23 million Baht respectively. In 2019, the company had the financial costs increased by 2.86 million Baht or equivalent to 1.46% due to the year 2019 the company calculated

% 16.9% Debt/Equity Ratio 0.95x 0.69x Net Interest-bearing Debt/Equity Ratio 0.81x 0.58x 1 Net profit margin is calculated by dividing the Net Profit attributable to Owners of the Parent by Total Revenue

is calculated from total asset subtract intangible asset, debt, and minority shareholders. 5. Summary of main points for sales of water project 5.1 Sales of water project to the Provincial Waterworks

Baht, which is calculated to be 0.049 of the Company’s Net Tangible Assets (NTA) 5. RAW WATER BUSINESS Raw water revenue in Q1/2020 was 710.74 million Baht, increased by 14.86 million Baht or +2.14

company transaction and disposal of sublease 2 Adjusted EBITDA is calculated from EBT plus Finance cost, Depreciation and Amortization, Interest income from Loan to JVs and deduct Interest income

Company Limited The company has a profit before expenses. (which is calculated including sale promotional income) from the consolidated financial statements for the 1st quarter 2020 of 989.2 million baht