. Highlights Unit: million Baht 1st Quarter 2020 1st Quarter 2019 P er fo rm a n ce Revenues 2,696 3,398 Sales Volume (k tons) 170 177 EBITDA (191) (87) Net Profit (Loss) (476) (432) H R C HRC Sales (k tons) 170

10th May, 2018 Subject: Management Discussion and Analysis (MD&A) of the financial as at and for three months’ period ending 31st March, 2018 Attention: President The Stock Exchange of Thailand P.C.S

73 1 / 4 Ref. MD 016/2018 10th May 2018. Subj Management Discussion and Analysis (MD&A) Q1/2018 Dear Managing Director of Stock Exchange of Thailand We, Patum Rice Mill and Granary Public Company

. DOD2019/004 February 20, 2019 Subject: Management’s discussion and analysis of the Company’s operating results for the year 2018 period To: President The Stock Exchange of Thailand DOD Biotech Public

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Translation CEN 022-2017 August 11, 2017 Subject Management Discussion and Analysis for business operation of quarter 2/2017 To The Manager and President The Stock Exchange of Thailand For 3 months

ที่ กบร No. Kor Bor Ror. 032/2017 November 9, 2017 President The Stock Exchange of Thailand Re : Increase of the investment proportion in the ordinary shares of Pattaya Manufacturing Co., Ltd

1 Translation CEN 025-2017 November 13, 2017 Subject : Management Discussion and Analysis for business operation of quarter 3/2017 To The Manager and President The Stock Exchange of Thailand For 3