หน้า 1 ของ 3 (Translation) No. ACC6702/001 February 28, 2024 Subject: Clarification of operating results for the Annual Year 2023 (Revised) To: The President, The Stock Exchange of Thailand Advanced

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

AQIs AQIs AQIs AQIs AQIs AQIs AQIs 2564 - 2565 AQIs - 1. * 2564 Non-Big 4 Local firms1 International firms2 (partner)3 166 - 577 5.11% - 6.39% 4.21% - 13.72% EQCR) 68 - 364 2.09% - 4.03% 1.71% - 4.20% 1

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

Operator หรือ ตัวแทน (“local representative”) ซ่ึงเป็น ผู้ยื่นค าขอตรวจสอบลักษณะหนว่ยของ ASEAN CIS ในประเทศไทย (“ผู้ยื่นค าขอฯ”) จะต้องระบจุ านวนเงนิทีจ่ะ เสนอขายในประเทศไทยเป็นสกลุเงินบาท และระบุช่ือ ผู้รับ

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1 1Q21 MD&A Advanced Info Service Plc. Executive Summary Mobile revenue slightly recovered QoQ following strong acquisition and government stimulus In late 4Q20, the new phase of outbreak had re

available at the office of the derivatives business operator for public access and also be published in at least one local daily newspaper in accordance with the rules specified in the notification of the SEC

1 FY20 MD&A Advanced Info Service Plc. Executive Summary Mobile business affected by weak economy and competition in data pricing Slowdown in economic and business activities had been observed

MD&A - EN Report (Presentation) (1) 3Q24 MD&A Advanced Info Service Plc. 1 Executive Summary Sustaining core business growth alongside economic stability 3Q24 showed a modest growth in the Thai