14 August 2019 Subject: Management Discussion and Analysis for the 6-Month Period Ended June 30, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company

last year. Profit & Loss Analysis (Unit : Million Baht unless otherwise stated) Quarter 3 Change 2018 2017 Amount % Change Total Revenues 4,416 4,284 132 +3.1% Sales and service income 4,179 4,052 127

73 1 / 3 Pef. MD 105/2018 14th November 2018. Subj Management Discussion and Analysis (MD&A) Q3/2018 Dear Managing Director of Stock Exchange of Thailand We, Patum Rice Mill and Granary Public

Page 1 of 2 Management Discussion and Analysis for the First Quarter of Year 2020 Business Overview Business overview of One to One Contacts Public Company Limited and its subsidiaries (“the Group

Osotspa Public Company Limited Q3’18 and 9M18 Management Discussion & Analysis 14 November 2018 Q3’18 and 9M18 Management Discussion & Analysis Page 1/7 Financial Highlights Q3’18 profit attributable

decreasing of net profit ratio only 9.3% less than the decreasing of revenue ratio. 2. Revenues from project management, in the period for year ended December 31, 2019, amount of 918.9 million baht, or 6.5

- ร่าง - 1 May 28, 2019 Subject Management Discussion and Analysis for the year ended 31st March 2019 To President of the Stock Exchange of Thailand Secretary of the Office of Securities and Exchange

were also lowered from the cost-saving plans that have been carried out. 1 EBITDA Margin and Net Profit Margin is calculated from Total Revenue Management Discussion & Analysis Q2/2020 ?? 2020 Outlook 3

29_MDA Q3_62 EN -Translation- No. ECF2 041/2019 November 14, 2019 Subject: Management Discussion and Analysis of the 3rd quarter ended September 30, 2019 To President The Stock Exchange of Thailand

mostly results from operation of LPG and oil business with gross profit of Baht 59.00 million, and waste water management services of Baht 19.00 million. Revenue (6 months) Overall, quarter 2/2020, the