World Public Co., Ltd.; An increasing of investment cost (No. 2) (4) Financial risk The Company Group may have financial risks from issuing bonds, such as debentures and bill of exchange. Such financial

(loss) of associates 104 51 -51.0% 53 30 20 -62.3% -33.3% Gain (Loss) on exchange rate 0 (15) n/a 94 11 (26) n/a n/a B.GRIMM POWER PUBLIC COMPANY LIMITED Management’s Discussion and Analysis FINANCE COST

Management discussion and analysis /Page 2 - Efficiently cost and expenses control measure such as managing staff productivity, marketing expenses control by shift to more social media and digital marketing

(Translation) UAC.CS/002/2019 February 28, 2019 Subject: Explanation of the operating results for the year period ended December 31, 2018 To: President The Stock Exchange of Thailand Attachment

/2561 August 7, 2018 Subject: Management’s discussion and analysis of the Company’s operating results for Q2/2018 period To: President The Stock Exchange of Thailand DOD Biotech Public Company Limited

65 50 -23.1% 82 50 -39.0% Gain (Loss) on exchange rate -13 -93 615.4% -11 -93 745.5% B.GRIMM POWER PUBLIC COMPANY LIMITED Management’s Discussion and Analysis FINANCE COST AND TAX ABBREVIATION & OUR

: Management explanation and analysis for the yearly ending 31 December 2018 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited ( “ the Company” ) would like to

1/4 REF: SET-2018-021 December 12, 2018 Subject Report of the Resolutions of Board of Directors’ Meeting No. 5/2018 – Related Party Transaction To President The Stock Exchange of Thailand Filter

M.D. 042/2020 February 12, 2020 Subject : Disclosure of the information connected transactions To : President of the Stock of Exchange of Thailand Kang Yong Electric Public Company Limited hereby

M.D. 042/2020 February 12, 2020 Subject : Disclosure of the information connected transactions (Revised) To : President of the Stock of Exchange of Thailand Kang Yong Electric Public Company Limited