20230807-ADVANC-MDA-2Q23-EN Classification: Internal 2Q23 MD&A Advanced Info Service Plc. 1 Executive Summary Core businesses growth from profitability focus amid economic uncertainties In 2Q23 Thai

20231030-ADVANC-MDA-3Q23-EN 3Q23 MD&A Advanced Info Service Plc. 1 Executive Summary 3Q23 illustrated AIS core business growth from quality focus despite low season challenges. 3Q23 Thai economy

to Transmission and Telecommunication Tower Business, its pristine core business for more than 50 years. UWC decided to discontinue 2 of its subsidiaries’ operation involving in, Paradise Green Energy

businesses will be the core platform for continuous growth in selective upstream & downstream integration over the next 5-10 years. On a proforma basis, this acquisition will add 25% to IVL’s 2018 core EBITDA

compared to 52mTHB in Q1 2017 (Q1 2018 core EBITDA 59mTHB compared to Q1 2017 36mTHB) Net income: 21mTHB in Q1 2018 compared to 25mTHB in Q1 2017 Burnt lime sales: 93k Mt in Q1 2018 compared to 80 Mt Q1

resulted in weak consumer spending, particularly on mobile services. However, remote working continued to provide decent demand for home broadband. Overall, AIS reported core service revenue of Bt32,770mn

ADVANC-MDA-1Q24-EN 1Q24 MD&A Advanced Info Service Plc. 1 Executive Summary Revenue base expansion from core business growth and acquisition of TTTBB 1Q24, Thai consumer confidence slightly improved

manufacturing business in Thailand. 2) Price adjustment of Portugal operation started to reflect since Q3 2022 onward 3) New model launch and adding of new brands to our dealership portfolio. Selling and

volume, new model launch and new product launch of auto parts manufacturing business in Thailand. 2) Price adjustment of Portugal operation started to reflect in Q3 2022. 3) New model launch and adding of

products and continued order from overseas customer for auto parts manufacturing business. Selling and administrative expenses increased by 0.2% from Baht 455.5 million in Q3 2022 to Baht 456.5 million in Q3