20221103-ADVANC-MDA-3Q22-EN Classification: Internal 3Q22 MD&A Advanced Info Service Plc. 1 Executive Summary 3Q22 Thai economy continued a slow recovery from rising inflation. Consumer purchasing

“stable” outlook, which reflects the company’s financial strength as the key raw water provider with a comprehensive pipeline network in the Eastern Seaboard area, rising of water demand in the Eastern

, or 67.78% of sale, rising from 66.45% in the same period last year. Boost in gross profit margin was mostly from cost management lowering the price of raw material, the main part in cost of sales. In

primarily temporary. – Hypothesis 1: During a rising (falling) market, buys (sells) have a higher permanent price impact, but lower temporary price impact than sells (buys). – Hypothesis 1.1: Buys (sells

 shown by the movement of the foreign currency 'Translation Adjustment' in the shareholders funds section of the balance sheet. There is no cash affect concerning its movement.    Exceptional Items None

 currency 'Translation Adjustment' in the shareholders funds section of the balance sheet. There is no cash affect concerning its movement.    Exceptional Items None Subsequent Event None Page 3 of 3

shown by the movement of the foreign currency 'Translation Adjustment' in the shareholders funds section of the balance sheet. There is no cash affect concerning its movement. Exceptional Items None

 balance sheet. There is no cash affect concerning its movement.    Exceptional Items None Subsequent Event None Page 3 of 3

 shareholders funds section of the balance sheet. There is no cash affect concerning its movement.    Exceptional Items None Subsequent Event None Page 3 of 3

 section of the balance sheet. There is no cash affect concerning its movement.    Exceptional Items None Subsequent Event None Page 3 of 3