November 29, 2018 Subject Change of payment method for investment in acquisition and sale of tap water in some areas of Phuket and some areas of Phangnga. To Director and Manager The Stock Exchange

801.9 million or 96.3% due following to: Description 1Q/20 Million Baht 1Q/19 Million Baht Change Million Baht Change (%) Revenue from E-Commerce segment 0.2 1.2 (1.0) (83.3%) Revenue from real estate

to be recognized in 2018. (Unit : Million Baht) 2018 2017 Change % Change Operating revenue 406.54 351.36 55.18 15.70% Operating cost 337.23 293.88 Gross profit 69.31 57.49 11.83 20.58% Gross profit

Change 3 months Change 2017 2016 Amount % 2017 2016 Amount % Revenue from sale – net 343.16 310.14 33.03 11% 338.57 304.03 34.53 11% Gain from exchange rate 0.30 0.48 -0.18 -37% 0.26 0.49 -0.23 -46% Other

Company Limited and its subsidiaries had the operation results for the year ended December 31, 2019 with the following details: unit: THB million 2019 2018 Change (THB mill.) Change (%) Revenue from Sales

Limited and its subsidiaries had the operation results for the six-month period ended June 30, 2019 with the following details: unit: THB million 2019 2018 Change (THB million) Change (%) Revenue from Sales

Public Company Limited and its subsidiaries had the operation results for the 3-month period ended 31 March 2020 with the following details: unit: THB million 2020 2019 Change (THB mill.) Change

(Thousands Baht) 1st Quarter Change 2019 2018 Amount % Revenue from sales 555,461 367,923 187,538 50.97% Other income 12,346 9,145 3,201 35.00% Total Revenue 567,807 377,068 190,739 50.58% Company total

) 1st Quarter Change Amount % Revenue from sales 367,923 327,683 40,240 12.28% Other income 9,145 2,646 6,499 245.62% Total Revenue 377,068 330,329 46,739 14.15% Company total revenue of 1st quarter on

2017 Change % Change Revenue 849.62 707.22 142.40 20% Cost 721.26 596.69 Gross profit 128.36 110.53 17.83 16% Gross profit margin 15.11% 15.63% Other income 0.24 3.80 (3.56) -94% Selling expenses 1.89