operating profit sensitivity to change in the Thai Baht/USD and Chinese CNY/USD exchange rates is currently about Baht 200m per quarter for every 10% change in the average Baht/USD and CNY/USD rates (i.e. (1

 sensitivity to change in the Thai Baht/USD and Chinese CNY/USD exchange rates is currently about Baht 200m per quarter for every 10% change in the average Baht/USD and CNY/USD rates (i.e. (1‐ 0.60) x Sales

and Q2/2018 respectively, An increase in total revenue 20.4% and can be summarized as following. Q-O-Q Change Q2/2017 Q2/2018 Increase/(Decrease) Sales 196.4 240.8 22.6% The sales volume increases as

Unit : Million Baht For the 3 months Change between QoQ Change between YoY For the 6 months Change between YoY Q2/18 Q1/18 Q2/17 Amount % Amount % Jun. 18 Jun 17 Amount % Revenues from medical services

-current assets as of December 31, 2017. The major change was mainly from the dereased of Investment Property amounted 14.6 million baht while Cost of landfill preparation increased amounted 8.6 million baht

December 31, 2017. The major change was mainly from the decreased of land and buildings awaiting development amounted 255.0 million baht , Investment Property amounted 15.5 million baht while Cost of

13 November 2019 Subject : Explanation of the operating results for the nine months of the year 2019, change in excess of 20% Attention: Directors and Managers the Stock Exchange of Thailand According

growth. The groups sales revenue are in foreign currency (primarily USD) and USD currency costs are approximately 60% of sales revenues. The Group operating profit sensitivity to change in the Thai Baht

revenues. The ability to maintain low financial cost due to the replacement long term loan with lower rate as well as the Company’s policy to manage liquidity risk and interest rates fluctuation risk by

total revenues, slightly decreased from 11% in the previous year. This was because the Company’s policy is to manage liquidity risk and interest rates fluctuation risk by mainly locking in long-term