principally engaged in distribution of product and equipment, design, assembly and installation, and maintenance service of pure water treatment system; including operate clinical business which Hemodialysis

distribution of product and equipment, design, assembly and installation, and maintenance service of pure water treatment system; including operate clinical business which dialysis services for kidney patients

engaged in distribution of product and equipment, design, assembly and installation, and maintenance service of pure water treatment system; including operate clinical business which Hemodialysis services

and Analysis for 2018 To : Director and the President The Stock Exchange of Thailand Summary of the Company’s Financial Position and Operating Result for the 3 and 9 month period ended 30 Sep. 2018

the 2020 Annual General Meeting of Shareholders on 21 April 2020 at 2.00 p.m., at Ballroom 3-4, the Crystal Design Center, E Building, No. 1420/1 Praditmanuthum Road, Klongjan, Bangkapi, Bangkok. The

revenue from commercial biomass fuel sales in Q2/2018. 1.3 The company’s income from design and distribution of boat and minibus made by aluminium for the year2019 in the amount of Baht 119.22 million

cost Re-design cost, advisor cost, insurance, etc. 645.35 93.72 36.34 17.36 681.69 111.08 490.36 90.83 191.33 20.25 Sub-total cost Compensation for Loss of production cost 739.07 756.32 53.70 32.59

quarter of year 2019) Aggregate actual cost ended as of March 31, 2019 Estimated Improvement cost (For remaining works) As at March 31, 2019 Improvement cost Re-design cost, advisor cost, insurance, etc

. 1.3 The company’s income from design and distribution of boat and minibus made by aluminum for 1st quarter of 2019 in the amount of 54.18 million. 2. The company’s cost of sales and services in the

Improvement cost Re-design cost, advisor cost, insurance, etc. 681.69 111.08 - - 681.69 111.08 573.38 96.79 108.31 14.29 Sub-total cost Compensation for Loss of production cost 792.77 788.91 - 71.04 792.77