2.03 27% Core EBITDA/t (US$/t)) 107 100 94 14% 97 86 13% Net Operating Debt to Equity 0.84 0.80 0.99 0.84 0.99 Note: (1) Consolidated financials are based upon elimination of intra-company (or intra

107 42% 132 97 36% Operating Cash Flow 240 249 258 (7)% 923 966 (4)% Net Operating Debt to Equity (times) 0.45 0.39 0.84 (46)% 0.45 0.84 (46)% 1Consolidated financials are based upon elimination of

1,516.80 (29.24) (1.89%) Gross Profit Margin 53.12% 60.64% 57.34% 61.86% Raw Water Distribution by Customer Group (Internal usage for tap water production is included) Raw Water Distribution by Area

refinery margin to shrink. In this quarter, even though the crude oil price situation continues to improve constantly from December 2018, the cost of a proportion of crude oil that was refined within this

% Gross profit 86.16 82.23 3.93 5% Gross profit margin 29% 28% SG&A 58.00 52.09 5.91 11% EBITDA 57.50 60.28 -2.78 -5% EBITDA margin 19% 20% Depreciation and amortization 28.53 29.44 -0.91 -3% EBIT 28.97

profits margin In the third quarter of 2018, Gross profits amounted to THB 1,208 million, rose by THB 59 million or 5.1%, representing gross profit margin of 33.2%, down from 32.6%.The increase in gross

Baht 171.9 million. The claim was compensation from the event of damaged machinery during the test run, before COD, and the Plant is COD in 2016. 5 Gross Profit and Gross Profit Margin Q1-2021 Q2-2021 Q3

debt to equity net of cash and cash equivalent and short-term investments Table 4: Key Financial Ratios 1Q 4Q 1Q YoY QoQ 2019 2019 2020 (%) (%) Profitability Ratio Gross profit margin (%) 52% 52% 51% (1

66.8% YoY, and gross profit margin was 20.4%, decreased from 29.2% in 1Q17. • Total assetswas THB 12,187.2mn, an increase of THB 1,729.2mn • Debt to Equity ratio2stood at 0.79 times as of 31 Mar 2018

• Gross profit from sales of real estate was THB 215.8mn, decreased 24.6% YoY, and GPM was 27.9% • Total assets as of 30 June 2018 stood at THB 12,753.0mn, an increase of THB 2,295.0mn • Debt to Equity