period. Sales of electricity also increase from partially record of revenue from the new biomass power plant which the Group acquired in 3 this period. In addition, there is revenue from maintenance to
decrease was due to the higher proportion of reduction in total revenue from sales than the reduction in costs of sales which includes fixed expenses. In addition, there is a higher proportion of take-home
arrangement transaction. The construction was completed and COD on 28 December 2020. As a consequence, there is no any further revenue from construction under a concession arrangement recognized. 4 Cost of
receivable’ and ‘provision for revenue sharing’ on balance sheet while there is no impact on the income statement. 2. During the quarter, AIS has announced a 50:50 Joint Venture (JV) Agreement with the Siam
28 December 2020. As a consequence, there is no any further revenue from construction under a concession arrangement recognized. Cost of sales and service Cost of sales and service for the period ended
recognized in Q4 2021 was higher than other quarters in comparison. In addition, there is a new rental income which has a relatively high gross margin. Operating Results and Capabilities to Make Profit
arrangement transaction. The construction was completed. As a consequence, there is no any further revenue from construction under a concession arrangement recognized. Cost of sales and service Cost of sales
mobile market remained elevated with continued low-price unlimited data plans, especially in the prepaid segment i.e. 150-200 Baht for 4-15mbps unlimited data. There is also 5G offerings at a lower price
by Baht 85.68 million or 54.77%, the main factors from the price are increase 119.25% as compared to the same period of last year, due to the epidemic of the COVID-19 around the world, there is a