* Note Please find further information in the consolidated financial statements. 1 8th August, 2019 Subject: Management Discussion & Analysis (MD&A) for the 2nd quarter of 2019 Attention: The

* Note Please find further information in the consolidated financial statements. 1 7th August, 2018 Subject: Management Discussion & Analysis (MD&A) for the 2nd quarter of 2018 Attention: The

* Note Please find further information in the consolidated financial statements. 1 12th November, 2019 Subject: Management Discussion & Analysis (MD&A) for the 3rd quarter of 2019 Attention: The

* Note Please find further information in the consolidated financial statements. 1 May 13th, 2020 Subject: Management Discussion & Analysis (MD&A) for the 1st quarter of 2020 Attention: The President

* Note Please find further information in the consolidated financial statements. 1 21 February, 2019 Subject: Management Discussion & Analysis (MD&A) for the year 2018 Attention: The President The

Group, as at June 30, 2019, the consolidated debt to equity ratio was 0.42 time and the consolidated net debt to equity ratio was considerably low at 0.26 time. Overall Financial Performance and

) million or (2%) from Baht 383 million in Q2/2019 to Baht 374 million in Q2/2020. The main decrease was derived from the engineering service. • Overall gross profit margin increased from 9.1% to 15.0% or

decrease was derived from engineering service, solar energy, and Trading business. • Overall gross profit margin decreased from 13.3% to 9.1% amount Baht (24.09) million. 2019 2018 Revenue 383.44 443.08

No. INGRS066 30 March 2021 Subject : Management Discussion & Analysis (MD&A) for the consolidated financial statements for the financial year ended 31 January 2021 To : The President The Stock

year 2016. The decreased sales revenue was mainly impact by the continued global economic downturn therefore overall reduced consumption in all as compared to previous year. 2. Cost of sales For the