of useful lives with reference to the Health Study Report from an independent engineering expert and the repair and maintenance of buildings, machinery and equipment. This is considered the Change in

-Month period ended 31 December 2019. Overall performance of 2019 is lower than our expectation due to: Revenue YoY % QoQ % YoY % Revenue 973.29 850.53 -122.76 -12.61 244.40 212.60 222.62 10.015 4.71

1 Ref: AC.034/2019 4 November 2019 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

Public Company Limited (“the Company”) would like to submit the management discussion and analysis of the operating results for the nine months of 2020 ended September 30, 2020 as follows: Overall Group

–2021 Balance by Quarter Change Q2–21 Q1–21 Q2–20 Q2–21 VS Q1–21 Q2–21 VS Q2–20 (Million Baht: MB) (MB) % (MB) % Total revenue 2,081.2 1,824.2 1,187.6 257.0 14.1 893.6 75.2 Total operating expenses

income resulting from change in status of investments amounting at Baht 22.11 million. Financial Position (in comparison to as of 31 December 2019) Overall financial position of the Company as of 31

128,745 Change 92,046 32,320 7,842 -13,460 364,758 % Change 11.0 11.0 9.8 (14.4) 154.5 In overall, the Company and its subsidiaries had the net profit in the year 2018 at 128.7 MB increased 364.8 MB by

2017 which has been audited by certified public auditor as follows : Overall performance results of the Company for the year ended 31 December 2017, compared to the same period of the previous year were

March 2018 which has been reviewed by certified public auditor as follows : Overall performance results of the Company for the three-month period ended 31 March 2018, compared to the same period of the

1,680 -2,782 328,426 % Change (0.5) (2.5) 8.4 (12.3) 112.1 In overall, the Company and its subsidiaries had the net profit in Q2/2018 at 35.3 MB increased 328.4 MB by 112 percent when compared to Q2/2017