-22% Other income 2.00 2.08 -0.08 -4% Total revenues 231.27 294.76 -63.49 -22% Cost of sales and services 168.62 207.08 -38.47 -19% Gross profit 60.65 85.60 -24.95 -29% Gross profit margin 26% 29% SG&A

) 0.24 0.23 0.01 4% Note: Gross profit = Sales and service income – Cost of sales and services (does not include other income) 3.1. Analysis of Q4 2017 and 2016 results The key drivers of Q4 2017

75,532 67,756 Total expenses 104,376 125,099 115,777 Profit (loss) before finace cost and income tax expense (30,880) (29,422) (24,440) Finance costs (323) (399) (448) Income tax (expense) benefit

to YTD 2017: Note: Gross profit = Sales and service income – Cost of sales and services (does not include other income) Q3 2018 Q3 2017 YoY change YoY % change Unit: Million Thai Baht (THB) Sales and

ENDED 31 DECEMBER 2019 3. Financial highlights (based on Thai FRS) Q4 2019 Financial Statement Summary as of 31 December 2019 compared to Q4 2018: Note: Gross profit = Sales and service income – Cost of

% Gain from exchange rate Other income 3.03 2.10 0.94 45% Total revenues 295.72 233.17 62.55 27% Cost of sales and services 208.23 159.63 48.60 30% Gross profit 84.46 71.44 13.01 18% Gross profit margin 29

744.42 846.41 -101.98 -12% Other income 3.75 5.09 -1.35 -26% Total revenues 748.17 851.50 -103.33 -12% Cost of sales and services 555.86 606.49 -50.63 -8% Gross profit 188.56 239.92 -51.36 -21% Gross

2019 3. Financial highlights (based on Thai FRS) Q1 2019 Financial Position Summary as of 31 March 2019 compared to Q1 2018: Note: Gross profit = Sales and service income – Cost of sales and services

compared to 52mTHB in Q1 2017 (Q1 2018 core EBITDA 59mTHB compared to Q1 2017 36mTHB) Net income: 21mTHB in Q1 2018 compared to 25mTHB in Q1 2017 Burnt lime sales: 93k Mt in Q1 2018 compared to 80 Mt Q1

comprehensive income (loss) attributable to owners of the parent Operating Profit (Loss) EBIT Net Profit (Loss) Total Comprehensive income for ther period 3 | MANAGEMENT DISCUSSION AND ANALYSIS FOR Q2-2020