B.E. 2561 (2018). ERX is required to provide such clarification together with all relevant information and supporting documents to the SEC within 7 days (due on 19 March 2026).  Note

* 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

% in 2Q19 compared to 12.9% in the same period in the previous year. Selling expense, such as freight costs and sales commissions, decreased compared to 2Q18 in line with lower sales. Administrative

the same period the previous year. Selling expense, such as freight costs and sales commissions, decreased in line with lower sales. Administrative expense decreased mainly because of an adjustment of

administrative expense amounted to Bt322.1 million in 2Q20, or 15.13% of sales, a decrease from Bt415.5 million in the same period last year. Selling expense, such as freight costs and sales commissions, decreased

173.84 in 2020. The main reason of the increase is a result from a dramatically increased of freight charge. Profit (loss) from operating activities In 2020, the profit (loss) from operating activities of

-year. Significant cost of sales consisted of cost of goods, imported freight, packaging cost and other import related expenses. Cost of sales is accounted for approximately 36.82 % of sales revenue with

the first runway and the second runway D) Apron Taxiway for passengers and cargo transportation E) Air Freight and Logistics Center F) Public utilities prepared by contractual party G) Ground services 2

Proportion of the Company and Subsidiary Companies in Q1/2020 and 2019 Unit: Million THB Type of Income Q1/2020 Q1/2019 % Variance Note 1. Income from sales of real estate 1 1,493.92 2,493.06 (40.08%) Note 1

service and other services. 3 Table 1: Proportion of Main Income of the Company and Subsidiary Companies in Q1/2021 and 2020 Unit: Million THB Type of Income Q1/2021 Q1/2020 % Variance Note 1. Income from