performing their duties. In this regard, such guideline shall be prescribed in writing. In case of a securities company licensed to undertake securities business in the category of securities brokerage, the

information and having a conflict of interest in performing their duties. In this regard, such guideline shall be prescribed in writing. In case of a securities company licensed to undertake securities business

in order to prevent the employees from inappropriately using inside information and having a conflict of interest in performing their duties. In this regard, such guideline shall be prescribed in

(Translation) February 27, 2019 Ref: SET-2019-003 Re: Management's Discussion and Analysis and operating results for the Year 2018 Attn. to: President The Stock Exchange of Thailand Filter Vision

(Translation) th August, Ref: SET-- Re: Management's Discussion and Analysis and Operating Results for Quarter / Dear: The President The Stock Exchange of Thailand Filter Vision Public Company

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