clarify operating performance of the Company three-month for the Quarter 1/2018 ended 31 March 2018 are as follows : Statement of Income Total Revenue The company earned THB 287.9 MB and 205.0 MB in Q1/2017

follows: Income Statement For the three-month ended March 31 Change Unit: Million Baht 2018 2017 Amount % Revenues from construction services and sales of construction materials 7,389.74 8,064.50 (674.76

Quarter 1 2017 Increase / (Decrease) % Change Revenues from sales 214.32 96.56 117.76 121.96% Other revenues 0.24 0.44 (0.20) (45.45%) Total revenues 214.56 97.00 117.56 121.20% Cost of sales 77.95 42.84

Q2/2020 (Ending June 30, 2020) To Director and Manager of the Stock Exchange of Thailand UBIS (Asia) Public Company Limited (“the Company”) would like to clarify on the performance and the financial

(Ending March 31, 2020) To Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company Limited (“the Company”) would like to clarify on the performance and the financial status for the

in Thailand maintained their good performance with adequate capital to support their business operations. The combined net profit of the Thai commercial banking system was Baht 207.2 billion, a 10.8

: Overall Financial Performance Unit: million baht Jan-Dec 2018 % Jan-Dec 2019 % Change % YoY Revenue 523.23 100.0% 613.86 100.0% 90.63 17.3% Cost 285.52 54.6% 332.39 54.1% 46.87 16.4% Gross Profit 237.71

take an effect as of 24 May 2017 Determination/Change in the scope of duties and responsibilities of the audit committee with the following details

No. ZIGA 002/2017 August 16, 2017 Subject: Clarification for operation performance for the three-month period (Quarter 2) ended 30 June 2017 Attention: The President of The Stock Exchange of Thailand

1: Overall Financial Performance Unit: mb Q1 18 % Q1 19 % Change % YoY Revenue 131.45 100.0% 132.54 100.0% 1.09 0.8% Cost 75.00 57.1% 73.41 55.4% (1.59) (2.1%) Gross Profit 56.45 42.9% 59.13 44.6