- - 11.4 17.8 6.4 56.1% Sales from Solar Energy Power Plants 3.4 5.0 4.7 4.7 - - 11.4 17.8 6.4 56.1% Total sales and service income 1,314.1 1,386.0 1,467.7 1,559.1 91.4 6.2% 4,987.6 5,726.9 739.3 14.8

business : Fully integrated energy business and maintenance of power plants and other related business Shareholding structure : Current shareholding structure of TSEO Name of shareholders No. of shares

94.9 97.2 2.4% (25.0%) 256.0 192.1 (25.0%) Sales of electricity - Base tariff and Ft 5.3 4.8 4.7 (2.1%) (11.3%) 10.3 9.5 (7.8%) Sales from Solar Energy Power Plants 5.3 4.8 4.7 (2.1%) (11.3%) 10.3 9.5

users as the primary target customer especially companies in the PTT Group. In addition, GPSC has also benefitted from utilizing the data on power consumption to analyze and develop the energy storage

in Energy Payment (EP) of Sriracha Power Plant according to the increase in dispatched volume to EGAT, together with the increase in electricity sales of Rayong Central Utility Plants compared to Q1

August 2020, Asia Clean Energy Co. Ltd., a subsidiary, acquired common shares of 3 biomass power plants in the proportion of 100 percent with the consideration paid of Baht 464.6 million. From comparison

maintenance of power plants and other related business Shareholding structure : Name of shareholders % shareholding 1. Thai Solar Energy Public Company Limited 99.997% 2. Miss Cathleen Maleenont 0.001% 3. Mr

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

to zero. Furthermore, the upcoming trend of disruptive technology has effected the power sector in Thailand especially the efficiency improvement of renewable energy and other smart systems such as

Year Receive Date Details QTC ENERGY PUBLIC COMPANY LIMITED 2022 03/03/2023 QTC ENERGY PUBLIC COMPANY LIMITED 2021 03/03/2022 QTC ENERGY PUBLIC COMPANY LIMITED 2019 27/03/2020 QTC ENERGY PUBLIC COMPANY