-Translation- Ref. No. PorBor. 029 / 2020 19 June 2020 Subject: Entering into Transaction of Disposing of Subsidiary’s Machines for the Debenture Debt repayment To: President The Stock Exchange of

. • Admin & other expenses were Bt3,810mn, decreasing -15% YoY due to lower bad debt provision and -2.5% QoQ. Net FX loss was Bt-428mn in 3Q21, compared to FX loss of Bt-181mn in 3Q20 and -157 in 2Q21. The

which was recorded in 4Q22. Bad debt provision as % of postpaid and FBB revenue declined from 2.6% to 2.4% following the economic recovery. Classification: Internal 1Q23 MD&A Advanced Info Service Plc. 4

2.95% from the end of the year 2017, basically from the net profit of Q1/2018. Interest Bearing Debt total 7,071.26 million Baht Long term loan 48.54% Debenture 33.91% Long term loan due in 1 year 11.43

higher dividend received from Glow IPP, iii) a 14.5% lower of Administrative Expenses from accounting adjusted of doubtful debt amounted of Baht 22.5 million in 1Q2018, iv) a 20.3% lower of Financial Costs

Administrative Expenses from accounting adjustment of doubtful debt amounted of Baht 22.5 million in 1Q2018. However, Finance Costs decreased from Baht 93.7 million in 1Q2018 to Baht 76.9 million in 1Q2019

) Net cash received from Operating Activities totaling Baht 900.05 million Baht from the net income netting off with the changes in assets and liabilities from operations Interest Bearing Debt total

decreased from Baht 84.8 million in 9M2017 to Baht 82.4 million in 9M2018 mainly from accounting adjusted of doubtful debt amounted of Baht 22.5 million in 1Q2018.  Finance Cost decreased from Baht 104.3

to maintain its D/E ratio of not higher than 2 .0 times. For the long-term loan agreements, there is additional condition to maintain DSCR of not less than 1.1 times. Interest Bearing Debt total

doubtful debt allowance in the amount of THB 11mm. The EBITDA and EBIT for 9-month/2019 decreases from the increase of COGS and from the loss from foreign exchanges in 2019 • EBITDA and EBIT margin in Q3