* (%) 75.8% 62.9% Debt to equity (times) 1.0 0.8 Assets turnover* (times) 0.5 0.4 Remark: financial ratios were calculated based on The Stock Exchange of Thailand’s formula. *The Company didn’t restate the

1 (Translation) MD. 182 /2017 Nov 8 , 2017 Re: Management Discussion and Analysis For the Operating Results ended September, 2017 To: President The Stock Exchange of Thailand Management Discussion

. Total interest bearing debts equaled to 19,978.4 Million Baht. Shareholders’ Equity As at June 30th, 2017, the total shareholder’s Equity of the Company were 5,502.9 Million Baht, mainly due to the

significantly higher conversion rate of 3-5%, compared to the industry norm of 0.5%. Delivering More Than 70,000 Pieces of Smart Sampling EQUITY AND OTHERS  On 11 September 2018, VGI issued and allocated

totaled 1,251.02 million Baht, decreased by 60.57 million Baht or -4.62% compared to the same period of 2019, as total sales volume was reduced. Net profit attributable to equity holders of the parent

the year period ended December 31, 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

, decreased by 4.79 million Baht or -0.77% compared to Q1/2019, as construction revenue under concession agreements were reduced. Net profit attributable to equity holders of the parent company of 314.48

. In this regard, the Company still uses the same stock symbol “RATCH”. 1.6 Establishment of Hin Kong Power Holding Company Limited and Hin Kong Power Company Limited On May 24, 2019, the Company has

: Management explanation and analysis for the yearly ending 31 December 2019 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited ( “the Company” ) would like to

Ref. MD 115/2017 August 28, 2017 Re: Clarification on the Financial Performance of the Company and its subsidiaries as of Year 2016 (amendment) Attn: President The Stock Exchange of Thailand We, K. C