-2023 Q4-2023 Change QoQ 2022 2023 Change YoY THB Mn THB Mn THB Mn THB Mn THB Mn % THB Mn THB Mn THB Mn % Fuel materials cost 905.5 808.3 777.3 779.5 2.2 0.3% 3,608.3 3,270.6 (337.7) (9.4%) Depreciation

in the nine-month period of the year 2018. The change was due to the decreased lease receivable, calculated according to the Effective Interest Method. 3.3 Cost of sales and rendering of services

% 2,499.3 3,061.1 22.5% Revenue from finance lease under power purchase agreement 101.6 102.3 95.3 (6.8%) (6.2%) 200.8 197.6 (1.6%) Cost of sales and services (920.4) (1,149.4) (1,174.0) 2.1% 27.6% (1,795.1

pressuring net profit margin 2) higher depreciation resulted from additional investments in plant, machinery, and office renovations to improve production efficiency and reduce production cost, in order to

continued to grow well by c.20%.  Net profit in Q2/2017 was Baht 61 million, a decrease of 57% YoY due to 1) higher cost per unit resulted from lower capacity utilization; 2) higher depreciation resulted

446 432 -5.7% -3.1% *Note: there has been a change in the definition of MOU’s calculation since 2021 2Q22 MD&A Advanced Info Service Plc. 3 2Q22 Financial Summary Revenue In 2Q22, AIS generated total

cost from interest payment and short-term loan financing fee related to the acquisition of GLOW Operating Results Overall Operating Results of the Company and its Subsidiaries 1 Q1/18 Q4/18 Q1/19 Change

-2338-3000 Fax: 0-2338-3334 www.nationgroup.com 25 May 2020 Subject : Notification on Resolution of the Board of Directors’ Meeting No. 6/2020, Change of Directors and Directors’ Power, Entering into

allowance for inventories declining value of Baht 32 million, resulted from the Company’s new accounting policy of setting allowance for inventories declining value from recording expired product in full cost

-month period 2020 2019 Change % 2020 2019 Change % Cost of real estate sold 1,529 1,321 208 16 2,610 3,376 (766) (23) Cost of hotel operations 80 172 (92) (53) 221 373 (152) (41) Cost of office rental