20240205-ADVANC-MDA-4Q23-EN 4Q23 & FY23 MD&A Advanced Info Service Plc. 1 Executive Summary Achieved solid revenue growth from core business focus and TTTBB acquisitions. FY23, the Thai economy

Company will acquire shares equivalent to 37.5 percent, and has expended THB 324,999,779.28 in negotiation process in acquiring such shares.In carrying on TMX Business, core revenues will be generated in 4

2,930 3,030 2,618 12% 11,668 9,341 25% ก าไรหลักก่อนหักดอกเบีย้ ภาษีเงนิได้ ค่าเส่ือมราคาและค่าตัดจ าหน่าย )Core EBITDA( 2,3 361 304 388 (7)% 1,392 1,262 10% PET 169 145 180 (6)% 606 471 29% เส้นใยและเส้น

%. SG&A in terms of % to revenue improved from 6.8% in Q1 2021 to 5.8% in Q1 2022. Core operating profit (defined as Earnings before Interests and Taxes exclude interest income, gain (loss) on exchange

and to create business cases for monetization in the future. Core service revenue ( Pre- TFRS 15) grew 2. 5% YoY with guidance maintained In summary, Pre- TFRS 15, AIS’ s core service revenue in 1Q19

1 2Q18 MD&A Advanced Info Service Plc. Executive Summary AIS continued to deliver revenue growth in all segments. In 2Q18, core service revenue, which excluded IC and equipment rental, was Bt33,464mn

ของบริษทั ข้อสังเกต (1)ข้อมลูทางการเงินรวมภายหลงัการตดัรา ยการระหว่างกนัในบ ริษัทในกล ุ่ม (หรือระหว่างกล ุ่มธุรกิจ) (2)ก าไรหลกัก่อนหักดอกเบี้ย ภาษีเงินได้ค่าเส่ือมราคาและค่าตดัจ าหน่าย (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

solutions business 373 22% 562 29% (189) (34%) Smart service business 840 50% 875 44% (35) (4%) Total revenues from main business 1,607 96% 1,913 97% (306) (16%) Other income 70 4% 64 3% 6 9% Total revenues

decrease of 18% compared to the profit for the third quarter of 2018 amounting to Baht 137 million. The decrease was mainly due to the lower gross profit from smart service business. Analysis of revenues Q3