city, rather than placing a fewer number of locations within a higher number of unique cities. This also allows the Company to gain efficiencies effectively in regards to distribution, production and

million) YoY YoY Operating Revenue 251 283 13% 871 1,194 37% Cost of sales (89) (102) 15% (289) (421) 46% Gross Profit 162 181 12% 582 773 33% Other Income 3 4 33% 9 11 22% Selling and distribution expenses

51% 405 599 48% Cost of sales (68) (111) 63% (132) (210) 59% Gross Profit 138 201 46% 273 389 42% Other Income 3 3 0% 5 5 0% Selling and distribution expenses (68) (85) 25% (134) (160) 19

1 3Q18 MD&A Advanced Info Service Plc. Executive Summary Acquired 1800MHz license and expanded strategic distribution and services In Aug-18, AIS has secured additional 2x5MHz of 1800MHz license

(COVID-19) in Thailand which affected the overall economy since the government announced various pandemic prevention measures. However, after the widespread and situation in Thailand became controllable

customer groups of the company and its subsidiaries. The impact therefore greatly affects sales both volume, as well as the sales prices and gross margins of various product groups, which have weakened due

Sales (74) (55) (26%) (221) (189) (14%) Gross Profit 124 60 (52%) 340 242 (29%) Other income 1 1 0% 3 4 33% Selling and Distribution Expenses (55) (45) (18%) (183) (156) (15%) Administrative Expenses (35

the Company in Q1/2023 Q1/22 Q1/23 Change +/(-) (THB million) %YoY Operating Revenue 198 264 33% Cost of Sales (78) (96) (23%) Gross Profit 120 168 40% Other income 3 4 33% Selling and Distribution

(96) (114) 19% Gross Profit 168 226 35% Other income 4 3 (25%) Selling and Distribution Expenses (83) (100) 20% Administrative Expenses (46) (61) 33% Finance Cost (1) (1) 0% Profit (Loss) before Income

and business incubating institution known as Bangchak Initiative Innovation Center (BIIC), its objective is to create the Green Ecosystem to promote innovation in various fields with emphasis on Green