) Unit: million Baht 2017 2016 Gr ou p Group Revenues 25,705 21,684 Group EBITDA 2,306 1,555 Group Net Profit (Loss) 365 (1,048) HR C HRC Sales (k tons) 1,381 1,326 HRC Production Volume (k tons) 1,429

3rd Quarter 2017 3rd Quarter 2016 Pe rfo rm an ce Group Revenues 7,109 5,256 Group EBITDA 843 516 Group Net Profit (Loss) 53 (164) HR C HRC Sales (k tons) 393 335 HRC Production Volume (k tons) 386 323

1 1Q20 MD&A Advanced Info Service Plc. Executive Summary Impact from the COVID-19 pandemic The COVID-19 pandemic has affected Thai economy as early on in February, particularly from the contraction

Imports of Alloy Steel and Galvanized HRC into Thailand due to strengthening of Thai Baht and removal of Safeguard duties on Alloy Steel in February 2019. The total shipment volume dropped by 40% and

1 1Q20 MD&A Advanced Info Service Plc. Executive Summary Impact from the COVID-19 pandemic The COVID-19 pandemic has affected Thai economy as early on in February, particularly from the contraction

. ประเภท diversify กองทุนเปิด กองทุนปิด 15% 20% กองทุน P.O. ประเภท non-diversify กองทุนเปิด กองทุนปิด กองทุน Thai trust fund 20% 25% ตามตราสารอา้งอิง กองทุน P.P. กองทุน SLIPS/CAPS กองทุน P.P. อ่ืนๆ 40% 100

Translation (UNOFFICIAL TRANSLATION) Readers should be aware that only the original Thai text has legal force and that this English translation is strictly for reference. The SEC, Thailand cannot

EBITDA 612 1,062 Net Profit (Loss) (836) 990 HR C HRC Sales (k tons) 1,447 812 HRC Production Volume (k tons) 1,436 876 HRC Average Selling Price (THB./ton) 20,663 18,690 HRC Cash Margin (THB./Ton) 854

812 EBITDA 612 1,062 Net Profit (Loss) (836) 990 HR C HRC Sales (k tons) 1,447 812 HRC Production Volume (k tons) 1,436 876 HRC Average Selling Price (THB./ton) 20,663 18,690 HRC Cash Margin (THB./Ton

EBITDA (228) 602 Net Profit (Loss) (433) 366 HR C HRC Sales (k tons) 177 388 HRC Production Volume (k tons) 139 382 HRC Average Selling Price (THB./ton) 19,160 20,942 HRC Cash Margin (THB./Ton) (58) 1,937