February 28, 2020 Ref: SET-2020-003 Re: Management Discussion and Analysis for the year 2019 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company Limited and its

- Translation - No. LMJG/SET/2020/013 May 18th, 2020 Subject: Clarification for the change of Operating Results more than 20% Attention: The President The Stock Exchange of Thailand Impact from the

May 15, 2020 Ref: SET-2020-010 Re: Management Discussion and Analysis for Quarter 1’ 2020 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company Limited and its subsidiaries

: President of the Stock Exchange of Thailand Ua Withya Public Company Limited ("Company") would like to describe and analyze the financial position and operating results for quarter 2-2017 are summarized as

and Analysis for the three-month period ended 30 Jun. 2018 To : Director and the President The Stock Exchange of Thailand Summary of the Company’s Financial Position and Operating Result for the 3 and 6

: President of the Stock Exchange of Thailand Ua Withya Public Company Limited ("Company") would like to describe and analyze the financial position and operating results for quarter 2-2018 are summarized as

and Analysis for the three-month period ended 30 Sep. 2018 To : Director and the President The Stock Exchange of Thailand Summary of the Company’s Financial Position and Operating Result for the 3 and 9

SAAM Energy Development Public Company Limited - 1 - 7 November 2019 Subject: Management Discussion and Analysis for the period ended 30 September 2019 To: The President The Stock Exchange of

วันที่ 25 กุมภาพันธ์ 2558 February 18, 2020 Subject: Management’s Explanation and Analysis for the year ended December 31, 2019 Attention: Director and Manager The Stock Exchange of Thailand LDC

% Revenue from sale of industrial equipment 8.30 0.74% 10.42 0.69% 10.42 0.69% -20.40% Revenue from sale of other products - 0.00% 7.96 0.53% 7.96 0.53% -100.00% Revenue from sales of electricity 459.62 40.92