Power 1 GK (ISP1) increased by Baht 7 million. Operating Revenue Cost of Sales of Goods and Rendering of Services (Exclude depreciation and amortization) Operating Results Analysis of Company Performance

Group”) as follow: Consolidated financial statements Q1-2021 Q1-2022 THB Mn THB Mn THB Mn % Sales of goods and services 1,214.9 1,518.7 303.8 25.0% Revenue from finance lease under power purchase

August 14, 2018 Subjects : Clarification of operating results for the six-month period ended

November 13, 2006 November 13, 2018 Subjects : Clarification of operating results for the nine-month period ended September 30, 2018 Attention : The Director and Manager of the Stock Exchange of

planned maintenance shutdown (Major Overhaul) from June 7 to July 28, 2020 and the HPC’s Power Plant had planned maintenance shutdown (Major Overhaul) from April to August, 2020. However, the operating

-2021 6M-2020 6M-2021 Change THB Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn %YoY Sales of goods and services 1,139.5 1,214.9 1,284.4 5.7% 12.7% 2,255.2 2,499.3 10.8% Revenue from finance lease under power

1,705.4 1,735.6 30.2 1.8% 5,315.9 6,502.1 1,186.2 22.3% Revenue from finance lease under power purchase agreement 102.3 95.3 109.4 107.9 (1.5) (1.4%) 411.0 414.9 3.9 0.9% Cost of sales and services (1,149.4

statements Q1-2022 Q1-2023 THB Mn THB Mn THB Mn % Sales of goods and services 1,518.7 1,638.2 119.5 7.9% Revenue from finance lease under power purchase agreement 102.3 102.4 0.1 0.1% Cost of sales and

. RESULTS OF OPERATION (Unit : Million Baht) Consolidated Financial Statements 2018 2017 % Change Revenue from Sales and Services 1,708.3 1,633.8 4.6% - Operating Revenue1 1,679.7 1,570.2 7.0% - Other Revenue

12.3% Revenue from finance lease under power purchase agreement 103.2 101.6 104.9 3.2% 1.6% 306.9 305.7 (0.4%) Revenue from construction under a concession arrangement 215.0 - - - N.A.(