Limited (a 100-percent subsidiary of IEC) through a contract with ESES for the construction of a building and the installation of electricity-generating machinery at the exaggerated price of 58 million baht

Limited 60% SUT Global Company Limited Purpose To increase company competitiveness in accordance to construction project bidding and operating Timing of Establishment Within 4th Quarter of 2017 2 เลขที่ 1

of Baht 413.74 million or 56.29% when compared to the year 2018. It consists of construction revenues in the amount of Baht 299.18 million which decreases in the amount of Baht 367.40 million or 55.12

slowdown due to the current outbreak of the Coronavirus Disease 2019 (“COVID-19”) affects businesses in all sectors, such as causing the recession, investment delay, various construction projects have

436.95 48.83 11.18% - LPG Trading 178.97 199.10 (20.13) (10.11%) 1 - Transportation 3.29 3.15 0.14 4.44% - Conversion Kit Installation 1.74 1.85 (0.11) (5.95%) - Construction 287.89 219.73 68.16 31.02% 2

(0.11) (5.95%) - Construction 287.89 219.73 68.16 31.02% 2 - Testing and Inspection 13.89 13.12 0.77 5.87% 3 Cost of sales and services (442.04) (406.41) 35.63 8.77% Gross Profit 43.73 30.54 13.19 43.21

2019 First quarter of 2018 Increased (Decreased) Amount % 1.1 Revenues from construction Baht 1,851.66 million Baht 2,250.87 million Baht 399.21 million (17.74) 1.2 Cost of construction 92.87 % 93.35

) Petchpiya Group Company Limited, (21) Mr. Tanaphat Petchkwan, (22) Mrs. Kanyaphak Petchkwan, (23) Thai-Chin Engineering & Construction Company Limited, (24) Mr. Ruttanatorn Chinkrajangkit, and (25) Mrs

, 2017 (Unit : Million Baht) 2017 2016 Inc./(Dec.) % Construction income 146.58 250.70 -104.12 -41.53 Service income 15.96 24.00 -8.04 -33.50 Sale of goods 1.05 1.05 Other income 1.64 1.09 0.55 50.46 Total

1.34 (0.72) (53.73%) 1 - Construction 554.20 346.80 207.40 59.80% 2 - Testing and Inspection 21.79 21.40 0.39 1.82% Cost of sales and services (683.90) (502.26) 181.64 36.16% Gross Profit 75.79 61.69