services of oil & gas service valued of THB 74.71 million, NDT services (Non-Destructive Testing) THB of 83.3 million, Manpower supply services of THB 15.58 million and The Water Supply of THB 4.1 million. 2

.Revenues 1.1 Sales of Construction Supply 860.99 933.38 1,044.70 1.2 Revenue from Real Estate Business 71.12 79.60 107.50 1.3 Total Revenues 932.11 1,012.98 1,152.20 2.Gross Profit ( % of Revenues) 2.1 Sales

.Revenues 1.1 Sales of Construction Supply 967.78 860.99 933.38 1.2 Revenue from Real Estate Business 263.75 71.12 79.60 1.3 Total Revenues 1,231.53 932.11 1,012.98 2.Gross Profit ( % of Revenues) 2.1 Sales

precedent conditions that the company will invest when GS already distribute water supply. GS is an operator of production and distribution of water supply to some part of Phuket and Phang- Nga references

the Information Memorandum on Acquisition of Assets of Production and distribution of water supply project (Rev1) on March 2, 2018 The Company would like to inform the amendment of such information as

No. ED-MD2020-0012 7 April 2020 Subject: Notification of the changing of the Meeting venue of the Annual General Meeting of Shareholders 2 0 2 0 and the progress of the water supply project to the

service valued of , THB 186.06 million, NDT services (Non-Destructive Testing) of 153.09 million and The Water Supply of THB 8.34 million. 2. Cost of Sales and Services In The year 2018, the costs are THB

.Revenues 1.1 Sales of Construction Supply 950.86 967.78 860.99 1.2 Revenue from Real Estate Business 226.36 263.75 71.12 1.3 Total Revenues 1,177.22 1,231.53 932.11 2.Gross Profit ( % of Revenues) 2.1 Sales

overall selling price decrease, especially for Caustic Soda due to the fall of its market price trend, plus impact from lower sales volume due to scheduled maintenance and the power supply outage in

by IGE. IGP manufactures and distributes Busduct which is an equipment that will replace conventional electrical wires which supply electricity to several loads mostly to high current. Busduct is