647 Up to 6 months 93 164 Over 6 months 39 22 Total 709 833 % of total receivables 93.0% 72.9% Allowance for doubtful debt 34 36 % of total receivables 4.5% 3.2% LIABILITIES AND SHAREHOLDERS’ EQUITY

(THB mn) 31 MARCH 2018 (Restated) 30 JUNE 2018 Not yet due 647 619 Up to 6 months 164 241 Over 6 months 22 22 Total 833 883 % of total receivables 77.3% 75.8% Allowance for doubtful debt 36 35 % of total

(Restated) 30 SEPTEMBER 2018 Not yet due 647 693 Up to 6 months 164 392 Over 6 months 22 54 Total 833 1,139 % of total trade and other receivables 77.3% 72.5% Allowance for doubtful debt 36 30 % of total

the 6 months period ended June 30, 2019 To: President The Stock Exchange of Thailand Rich Asia Corporation Public Company Limited ("the Company") would like to report the information according to the

decrease from 0.72x as of 31 December 2018 because decreases in inventories were greater than current liabilities that the Company repaid loans from financial institutions. Interest-bearing debt to equity

2020 To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results for the first quarter ended 31 March 2020

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 11 August 2020 Re: To clarify the financial statements as of 30 June 2020 To: President The Stock Exchange of Thailand WHA Corporation Public Company Limited (the

Discussion and Analysis for 2nd quarter ended as of June 30, 2020 Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (AIE) would like to submit the financial statement for 2nd

1,839.6 34.5 1.9 Income tax expenses 93.1 472.0 (378.9) (80.3) Less: Dividend income 418.6 389.6 29.0 7.4 Interest received 114.0 116.8 (2.8) (2.4) Gain on exchange rate 164.7 55.7 109.0 195.8 Non-operating

719.3 565.0 154.3 27.3 Plus: Finance Cost 471.2 449.8 21.4 4.8 Income tax expenses 180.3 159.7 20.6 12.9 Less: Interest received 27.2 33.7 (6.5) (19.4) Gain on foreign exchange - 35.4 (35.4) (100.0) Non