(“the Company”) has already submitted the consolidated reviewed the 1st quarter financial statements as of May 31, 2019 which were reviewed by Deloitte Touche Tohmatsu Jaiyos Audit Company Limited. The

OF OPERATION FOR 3Q2017 Consolidated Financial Statements 3Q2016 3Q2017 Increase/(Decrease) Baht million Baht million Baht million % Revenue from Sales and Services 371.2 406.2 35.0 9.4 - Operating

ENDED JUNE 30, 2020 1. Analysis of operation results for the second quarter of 2020 in comparison with those for the same quarter of 2019 (from the consolidated financial statements) Items Second quarter

of the highest value when calculated from 12-month period net profit criteria consideration based on the latest reviewed consolidated financial statement ended March 31, 2020 which equals to 32.52% and

be resulting that the Company would be able to decrease net outstanding debts in the amount of USD 123,899,729 or equivalent to THB 4,275,683,281.33 including the haircut of accrued interest of such

(Pneumatic Tube Carrier Systems) already completed at projects. . Analysis of results of operations. Statements of Comprehensive Income – Consolidated (Million Baht) For six-month periods ended June

million. It results from the increase in inventories, unbilled receivables and trade account payables. The quality of assets Trade account receivables Unit: Million Baht Consolidated financial statements 30

Baht Consolidated financial statements 30 September 2017 31 December 2016 Trade account receivables – unrelated parties 1,365 1,408 Less: Allowance for doubtful accounts (51) (42) Trade account

outstanding debts and the prevailing economic condition. The management believes that allowance for doubtful accounts is adequate in the current circumstances. Inventories Unit: Million Baht Consolidated

Baht Consolidated financial statements 30 June 2018 31 December 2017 Trade account receivables - unrelated parties 1,716 1,352 Less: Allowance for doubtful accounts (43) (51) Trade account receivables