(Translation) No. MD119/2560 August 29, 2017 Re: Clarification on the Financial Performance of the Company and its subsidiaries as of Year 2015 Attn: President The Stock Exchange of Thailand We, K. C

: EIC-AD008/2019 February 27, 2019 Subject: Management Discussion and Analysis Yearly Financial Period Ending 31 December 2018 To: President The Stock Exchange of Thailand The Board of Directors of

จดหมายชี้แจงปี61e February 27, 2019 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis Ending 31 December 2018 Summary of operating result between 2018

Period (Q2/2019) Attention: Directors and Manager, The Stock Exchange of Thailand N.D. Rubber Public Company Limited (“the Company”) would like to present the MD&A for the Six-Month period ended 30 June

Ref. MD 115/2017 August 25, 2017 Re: Clarification on the Financial Performance of the Company and its subsidiaries as of Year 2015 Attn: President The Stock Exchange of Thailand We, K. C. Property

three -month period ended March 31, 2020 Attention: President The Stock Exchange of Thailand Further to our submission of the report and the financial statements for the three-month period ended March 31

- Translation - PorBor. 044 / 2020 August 14, 2020 Subject: Clarification of operating for the period ended June 30, 2020 To: President The Stock Exchange of Thailand Rich Asia Corporation Public

administrative expenses of Q1/2019 was 8.83% of sale, increased to 11.10% in Q1/2020 increased 2.27% due to loss on exchange rate 4.37 Million Baht and personnel expense increased 3.42 Million Baht. - Cost of

29.9 million baht advance payment for advertising service by cashier cheque. Earlier, the auditor had, in accordance with Section 89/25 of the Securities and Exchange Act B.E. 2535 (1992), informed the

the form of bill of exchange in the amount of Baht 1 million and the interest of the financial lease agreement in the amount of Baht 1.98 million. 13 . Expense of income tax was Baht 10.74 million