ที่ - Translation - PorBor. 029 / 2018 August 14, 2018 Subject: Clarification of operating results change from the same period last year by more than 20% To: President The Stock Exchange of Thailand

Quarter3/2019 Differentiate Million THB % Million THB % Million THB % Revenues Revenues from sales of real estate 3,224.7 79.9 3,153.6 86.9 ( 71.1 ) (2.2) Revenues from project management 433.7 10.7 358.4

377.85 million, comparing at the same period in 2018 representing 70.30% increase. This is mainly due to : 1. Income from medical treatments in the consolidated financial went up 3.38% due to income from

Baht 18.90 million, a loss decline of 3%. The Company would like to clarify significant changes of Group’s operation results were summarized as follows: Revenue from sales of goods and rendering of

2/2020 Quarter 2/2019 Changed (%) Income from sale pipe 296.91 219.45 35.30 Income from installation pipe 75.38 49.73 51.58 Incomes from the water management business - Sales and service of water

Company Limited would like to clarify the operating results of the year ended June 30, 2020 that has net Profit of Baht 9.76 million, decreased from the same period of previous year that has net profit of

Thailand Sabina Public Co.,Ltd. Would like to clarify the operating result for the first quarter of 2020 as follows:- Total Revenue In 1Q20, the total revenue was Baht 681.6 million, decreased 12% from 1Q19

- net 90.36 89.21% 77.71 65.79% (12.65) -14.00% Revenue from contract works 9.3 9.18% 36.93 31.26% 27.63 297.10% Revenue from service incomes 0.91 0.90% 0.55 0.47% (0.36) -39.56% Revenue from rental

(“the Group”) as follow: THB Mn THB Mn THB Mn % Sales of goods and services 1,214.9 1,115.7 99.2 8.9 Revenue from finance lease under power purchase agreement 99.2 100.9 (1.7) (1.7) Revenue from

(“Company”) and its subsidiaries (“The Group”) would like to clarify operating results for the 3rd quarter of 2019 as follows: 1. Performance Analysis 2019 2018 % 2019 2018 % Revenue from steel tower