Eng_MD&A Final Q3'19 November 13, 2019 Ref: SET-2019-011 Re: Management Discussion and Analysis for Quarter 3’ 2019 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company

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

decrease of Baht 22.72 million or 67.32 % decrease. The significant decrease was last year there were the doubtful debt provision of Baht 18.83 million for account receivables expected to be unable to

53.89 million whereas Baht 105.59 million in 2016 showing a decrease of Baht 51.70 million or 48.96 % decrease. The significant decrease was there were the doubtful debt provision of Baht 39.10 million

million whereas Baht 0.72 million in 2017 showing an increase of Baht 1.87 million or 259.72 % increase. The 79.15% of the income was mostly gained from the reverse of provision for warranty maturity that

natural fatty alcohols declined. In the meantime, supply from both natural fatty alcohols and synthetic fatty alcohols were impacted by temporarily shut down of some Chinese producers because their

- ร่าง - 1 Nov 7, 2017 Subject Management Discussion and Analysis for the period of three months and the period of 1st half ended 30th September 2017 To President of the Stock Exchange of Thailand

- ร่าง - 1 Feb 13, 2018 Subject Management Discussion and Analysis for the period of three months and the period of nine months ended 31st December 2017 To President of the Stock Exchange of Thailand

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS015/2562 August 08, 2019 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for the

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS018/2562 November 08, 2019 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for