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วันที่ 25 กุมภาพันธ์ 2558 August 14, 2019 Subject: Management’s Explanation and Analysis for the 3 months and 6 months period ended June 30, 2019 Attention: Director and Manager The Stock Exchange of

วันที่ 25 กุมภาพันธ์ 2558 November 14, 2019 Subject: Management’s Explanation and Analysis for the 3 months and 9 months period ended September 30, 2019 Attention: Director and Manager The Stock

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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

-1- AIT (VP-SEC) 016E/2021 August 10, 2021 Subject: Management's Discussion and Analysis of Operating Results for Q2-2021 To: The President of the Stock Exchange of Thailand Summary of Operations Q2

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August 14, 2019 Ref: SET-2019-010 Re: Management Discussion and Analysis for Quarter 2’ 2019 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company Limited and its

Determination of the Date of Extraordinary General Meeting of Shareholders No. 1/2018 To: President The Stock Exchange of Thailand Enclosures: 1. Information Memorandum on the Offering of Newly Issued Ordinary

SAAM Energy Development Public Company Limited - 1 - 4 January 2019 Subject: Management Discussion and Analysis for the year ended 31 December 2017 To: The President of the Stock Exchange of Thailand