hire an appraiser approved by the Securities and Exchange Commission. 2 The change is the result of the Thai Accounting Standard No. 16 (revised 2017), regarding Property, Plant and Equipment has

March 12,2020 Subject: Notification of the disposal of shares in the Biogas Power Plant Business of Akkrawat Crop Rotation Energy Company Limited (Revised No.2) Attention: President Stock Exchange of

activity, thus dampening Thai economic growth during the second half of the year. Other challenges included volatile foreign exchange movement and international capital flows as well as the rapid evolution

selling price may have adjusted upward to coincide with market price. Moreover, there was an allowance for impairment losses according to accounting standard in the amount of THB 1,528 million in the

- Translation - Page 1 of 5 CBG 023/2020 7 August 2020 Subject Management discussions and analysis the 3-month and 6-month period ended 30 June 2020 To President The Stock Exchange of Thailand We

analysis report of the financial positions and result of business operations differences more than 20% compare to the previous year. To : Board of Governors and the President of The Stock Exchange of

- Translation - Page 1 of 4 CBG 013/2020 8 May 2020 Subject Management discussions and analysis for the 3-month period ended 31 March 2020 To President The Stock Exchange of Thailand We, Carabao

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 No. CC20190203ELE February 27, 2019 Subject Report of the Resolutions of Board of Directors’ Meeting No.1/2019 To President The Stock Exchange of Thailand The Board of Directors of Cal-Comp

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