% Gain from exchange rate Other income 3.03 2.10 0.94 45% Total revenues 295.72 233.17 62.55 27% Cost of sales and services 208.23 159.63 48.60 30% Gross profit 84.46 71.44 13.01 18% Gross profit margin 29

service income 301.56 201.46 100.10 50% Gain from exchange rate Other income 1.65 1.21 0.44 36% Total revenues 303.21 202.67 100.54 50% Cost of sales and services 226.71 149.07 77.64 52% Gross profit 74.85

lead to increase in the sales volume in this zone. However, the Company’s revenue was affected by the appreciation of exchange rate of 6% from an average of 32.75 per 1 Dollar in Quarter 3 2018 to 30.68

-month periods. Note: Exchange Rate USD/Baht = 31.1307 NTD/Baht = 0.9722 Details of related person of the Company and/or its subsidiary with Kinpo Electronics Inc and/or its subsidiary - Name of related

2016 and 2017, other incomes are THB 1.26 million and THB 1.62 million. Other income mainly includes interest income, unrealized gain on exchange rate, consultation revenue and gains from sales of assets

-1- AIT (VP-SEC) 003E/2023 16 February 2023 Subject: Management's Discussion and Analysis of Operating Results for the year 2022 and Q4-2022 To: The President of the Stock Exchange of Thailand

Electrode’s price which is a part of conversion cost higher than same period of last year. Net gain on foreign exchange rate Consolidated net gain on foreign exchange amounted to Baht 287 million. The gain is

and Services 1,205.80 99.70 1,160.28 99.58 45.52 3.92 Gain on Sales of Fixed Assets 0.02 - 1.95 0.17 (1.93) (98.97) Gain on Foreign Exchange Rate - Net 1.78 0.15 - - 1.78 100.00 Other Revenue 1.78 0.15

Transaction on Acquisition of Assets and Determination of the 2020 Annual General Meeting of Shareholders To: Director and Manager The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the

% Blended 17.0 18.2 19.7 16% 8.2% Device Penetration 4G-handset penetration 75% 79% 80% - - Fixed Broadband Business FBB subscribers 1,202,600 1,431,900 1,535,900 28% 7.3% FBB net addition 112,200 95,000