Period As Of Details WHA UTILITIES AND POWER PUBLIC COMPANY LIMITED 2023 Reviewed Consolidated Q2 30/06/2023 WHA UTILITIES AND POWER PUBLIC COMPANY LIMITED 2023 Reviewed Company Q2 30/06/2023 WHA UTILITIES

Period As Of Details B.GRIMM POWER PUBLIC COMPANY LIMITED 2023 Reviewed Consolidated Q2 30/06/2023 B.GRIMM POWER PUBLIC COMPANY LIMITED 2023 Reviewed Company Q2 30/06/2023 B.GRIMM POWER PUBLIC COMPANY

-One coal-fired power plant, which account for 67% of the total Normalized Net Income decrease. In 2Q2020, GHECO-One continued solid operating performance with zero unplanned outage in 2Q2020. However

overall selling price decrease, especially for Caustic Soda due to the fall of its market price trend, plus impact from lower sales volume due to scheduled maintenance and the power supply outage in

% - Other Revenue from Utilities Business2 112.7 25.4 343.7% - Power Business 10.2 3.2 221.8% Costs of Sales and Services (1,164.4) (1,120.0) 4.0% Gross Profit 692.8 588.3 17.8% Gross Profit from Operation3

and Services revenue 1,100.27 1,019.08 (81.19) (7.38%) 3,332.98 3,268.14 (64.83) (1.95%) Raw water revenue 646.56 575.68 (70.88) (10.96%) 2,080.52 1,885.72 (194.80) (9.36%) Tap water revenue 351.77

601.9 1.5% 1,076.8 634.4 69.7% 1 Operating Revenue consists of Raw Water Sales, Industrial Water Sales, and Wastewater Treatment Services. 2 Other Incomes from Utilities Business consists of Excessive

EASTERN POWER GROUP PUBLIC COMPANY LIMITED 2023 31/03/2023 EASTERN POWER GROUP PUBLIC COMPANY LIMITED 2023 30/06/2023 EASTERN POWER GROUP PUBLIC COMPANY LIMITED 2022 31/03/2022 EASTERN POWER GROUP PUBLIC

year 2016 ECF Holdings Company Limited, as the subsidiary of the Company by holding 75 percent of total shares, invested to solar power plant with installation capacity 1.5 MW at Himeji Prefecture, Japan

and net loss of THB 317.93 million primarily due to: • THB 233.38 million of loss from Power Plant Business (which has been disposed since Q3-2020) • THB 45.43 million of impairment of assets in parent