year. 9. Backlog (Unit : Million Baht) 31 December 2018 31 December 2017 Sales and installation of the pipeline business group 598.69 758.07 Water management business group (Only amount to be recognized

year. As a result of that The Group were able to recognized revenue consistently, due to the completion of 18 projects in the year 2017, and another 9 newly completed project transferred on March 2018

revenue from consolidation of TigerSoft. The amount will be recognized progressively as revenue within a 12-month timeframe. T.662 636 6999 F.662 646 4200

high investment and management expense As a result, the company's net profit decreased. Since such loss must be recognized หน้า 4 จาก 4 The company's financial position as of 31 December 2019 is as

, representing a decrease of 26.5% since Q1-2017 the company has issued invoices to customers previously recognized as unbilled receivables in previous quarters. Therefore unbilled receivables decreased

creditors for land and construction costs increase 857.10 million THB or 124.15%. The amount of down payment that is to be recognized increases 456.16 million THB or 197.10%. As a result of the above reasons

Company has issued invoices to customers previously recognized as unbilled receivables in previous quarters. Therefore unbilled receivables decreased. Inventories increased by 176.5 MB, representing an

previous branches increased by Baht 5.64 million or equivalent to 3.58% and from the new branches increased by Baht 13.20 million or equivalent to 234.52%) because all new branches fully recognized the

purchase order for slit of steel. In addition, the Company recognized more inventory in-transit which not made a payment in abroad trade payables. Non-Current Liabilities The Company’s non-current

customers previously recognized as unbilled receivables in previous quarters. Therefore unbilled receivables decreased. Inventories increased by 56.6 MB, representing an increase of 21.1% because in Q3-2017