languages, the Thai version shall prevail. The objective of this MD&A is to present the information and the explanation of financial status and operating results as of the date hereof. However, the

operating result (%) Y2019 Y2018 %YoY Gross profit margin (%) 43.44% 40.90% 2.54% Selling expenses and administrative expenses to total revenue (%) 44.67% 40.49% 4.18% Net profit margin (%) 0.83% 2.64% -1.81

(Translation) UAC.CS/010/2019 May 10, 2019 Subject: Explanation of the operating results for the first quarter period ended March 31, 2019 To: President The Stock Exchange of Thailand Attachment

the first quarter of 2019 from THB 5.2 billion for the first quarter 2018. Sales Revenue in USD terms decreased 1% to USD 162m for Q1 2019 from USD 165m in Q1 2018. Operating Profits decreased 52% to

 5.2 billion for the second quarter of 2019 from THB 5.5 billion for the second quarter 2018.   Sales Revenue in USD terms decreased 4% to USD 163m for Q2 2019 from USD 171m in Q2 2018. Operating Profits

 5.5 billion for the second quarter of 2018 from THB 5.2 billion for the second quarter 2017.   Sales Revenue in USD terms increased 12% to USD 171m for Q2 2018 from USD 153m in Q2 2017. Operating

1 August 14, 2020 Subjects : Clarification of operating results for the Q2/2020 Attention

year to THB 4.6 billion for the first quarter of 2020 from THB 5.1 billion for the first quarter 2019. Sales Revenue in USD terms decreased 9% to USD 147m for Q1 2020 from USD 162m in Q1 2019. Operating

’ operating results for the year ended December 31st 2017 EBITDA Structure of the Company and its subsidiaries Q4/2016 Q3/2017 Q4/2017 YoY QoQ FY2016 FY2017 YoY Total Revenue 40,481 39,009 46,306 14% 19

version shall prevail. The objective of this MD&A is to present the information and the explanation of financial status and operating results as of the date hereof. However, the information provided in this