Discussion & Analysis Q4/2022 Operating Highlights in Q4/2022 Q4/21 Q4/22 Change +/(-) 2021 2022 Change +/(-) (THB million) %YoY %YoY Operating Revenue 188 264 40% 620 938 51% Gross Profit 112 166 48% 355 592

Summary Significant Events Operating Highlights in Q1/2023 Q1/22 Q1/23 Change +/(-) (THB million) %YoY Operating Revenue 198 264 33% Gross Profit 120 168 40% EBITDA 58 80 38% Net Profit (Loss) for the

Operating Results for the Company and its subsidiary 1.1 Analysis of Operating Results for the Company and its subsidiary Table 1: Overall operating results for the year 2019 (Unit: Thousand Baht

Overall Operating Results for the Company and its subsidiary 1.1 Analysis of Operating Results for the Company and its subsidiary Table 1: Overall operating results for the year 2019 (Unit: Thousand Baht

to Q1/2017 Income statement (MB) Q1/2017 Q12018 YoY % Total Sales and Services revenue 1,163.24 1,045.39 (117.85) (10.13%) Raw water revenue 670.98 592.74 (78.24) (11.66%) Tap water revenue 346.81

statement (MB) Quarter 1 2019 2018 YOY % Total Sales and Services revenue 1,164.83 1,045.39 119.44 11.43% Raw water revenue 695.87 592.74 103.13 17.40% Tap water revenue 366.63 353.51 13.13 3.71% Rental and

Profit = Net Profit attributable to owners of the parent Financial Performance for Q4’18 and FY18 Income Statement Summary Unit: THB millions Q4'18 Q4'17 % YoY 2018 2017 % YoY Total revenues 6,519 6,418

% down comparing to 2Q2017 mainly from higher operating cost from new further processing factory. The consolidated share of loss from associated companies for 6M2018 was THB 66.92 million, rose by THB

Page 2/5 JMT Network Services Public Company Limited Summary of Profit and Loss Statement 2016 2017 Change MB % MB % MB % Total Revenues 1,356.3 100.0% 1,868.7 100.0% 512.4 37.8% Cost of Services 574.4

fully amortized cost of purchasing 34 36 40 Summary of Profit and Loss Statement 2016 2017 Change MB % MB % MB % Total Revenues 1,063.7 100.0% 1,356.3 100.0% 292.6 27.5% Cost of Services 377.9 35.5% 574.4