-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

(“the Group”) as follow: Q3-2020 Q2-2021 Q3-2021 9M-2020 9M-2021 Change THB Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn %YoY Sales of goods and services 1,182.8 1,284.4 1,362.8 6.1% 15.2% 3,438.0 3,862.1

, consists of unrealised gain on exchange rate of receivable under finance lease agreement, gain on forward contracts and insurance claim. Change QoQ Consolidated financial statements Change YOY Financial

companies. 6 Management Discussion and Analysis of Business Operation for FY2019 Bangchak Corporation Plc. | Important Events in 2019 January o Important change in accounting policy from the International

subsidiaries (“the Group”) as follow: Q2-2019 Q1-2020 Q2-2020 6M-2019 6M-2020 Change THB Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn %YoY Sales of goods and services 1,145.8 1,115.7 1,139.5 2.1% (0.5%) 2,256.3

reviewed its internal structure and operation to improve performance efficiency. The “Change Management Program” was launched with an aim to shift the SEC’s role more towards that of a “facilitator” and

Company Limited and its subsidiaries had the operation results for the year ended December 31, 2019 with the following details: unit: THB million 2019 2018 Change (THB mill.) Change (%) Revenue from Sales

Limited and its subsidiaries had the operation results for the six-month period ended June 30, 2019 with the following details: unit: THB million 2019 2018 Change (THB million) Change (%) Revenue from Sales

Public Company Limited and its subsidiaries had the operation results for the 3-month period ended 31 March 2020 with the following details: unit: THB million 2020 2019 Change (THB mill.) Change

Balance by Quarter Change Q1-2017 Q4-2016 Q1-2016 Q1-2017 vs Q4-2016 Q1-2017 vs Q1- 2016 (MB) (MB) % (MB) % Total Revenue 1,139.2 939.7 1,122.7 199.5 21.2% 16.5 1.5% Total Operating Expenses 960.5 790.6