คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 15 May 2020 Re: To clarify the financial statements as of 31 March 2020 To: President The Stock Exchange of Thailand WHA Corporation Public Company Limited (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

วันที่ 15 ตุลาคม 2545 1 NO. (SUTHA-SET) 015/2020/EN 14 August 2020 Subject: Management Discussion and Analysis of the Company and its subsidiary for period ended 30 June 2020 To: The President of the

SAAM Energy Development Public Company Limited - 1 - 6 November 2020 Subject: Management Discussion and Analysis for the period ended 30 September 2020 To: The President The Stock Exchange of

(Translation) UAC.CS/021/2020 November 11, 2020 Subject: Explanation of the operating results for the third quarter period ended September 30, 2020 To: President The Stock Exchange of Thailand

No. IIG 003/2020 11 November 2020 Subject: Management discussion and analysis for the 9 months ended September 30, 2020 Attn: Governors and President Market for Alternative Investment (MAI) I&I Group

23_MDA Q3_2563 EN -Translation- No. ECF2 038/2020 16 November 2020 Subject: Management Discussion and Analysis of the 3rd quarter and 9-month period ended 30 September 2020 To President The Stock

-1 - Translation - Ref. LPN/SorKor/386/2562 7th November 2019 Re: Consolidated Financial Statements Analysis Q3/2019 Dear: President The Stock Exchange of Thailand L.P.N. Development Public Co., Ltd

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 8 November 2019 Re: To clarify the financial statements as of 30 September 2019 To: President The Stock Exchange of Thailand As WHA Corporation Public Company

วันที่ 15 ตุลาคม 2545 1 NO. (SUTHA-SET) 021/2019/EN 11 November 2019 Subject: Management Discussion and Analysis of the Company and subsidiary for the period ended 30 September 2019 To: The President