. Notification of the Securities and Exchange Commission No. KorKhor. 9/2552 Re: Rules on Application for Obtaining Approval and Granting to Perform Trust Business ___________________________________ By virtue of

1 No. LorBor. 11/2019 May 13, 2019 Re: Joint Venture in Pulp Mold Manufacturing Project Attn.: President The Stock Exchange of Thailand Kaset Thai International Sugar Corporation Public Company

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 Three-Month period ended 30 September 2019 (3rd

results different from the same period last year more than 20% To: President The Stock Exchange of Thailand Rich Asia Corporation Public Company Limited and subsidiaries would like to clarify the results of

1 EFORL 031/2017 August 15, 2017 Subject: Notification the waiver of subscription right to capital increase of WCI Holding Co., Ltd. To: President The Stock Exchange of Thailand Ref: Letter no. EFORL

Exchange of Thailand N.D. Rubber Public Company Limited (“the Company”) would like to present the MD&A of 4th quarter of 2017 as of 31 December 2017 as follows: QoQ % YoY % THB'm % Income 216.43 213.57

Stock Exchange of Thailand N.D. Rubber Public Company Limited (“the Company”) would like to present the MD&A for the year 2017 as of 31 December 2017 as follows: QoQ % YoY % THB'm % Net sales 212.16

ที่ - Translation - PorBor. 018 / 2018 May 15, 2018 Subject: Clarification of operating results change from the same period last year by more than 20% To: President The Stock Exchange of Thailand

Stock Exchange of Thailand Union Pioneer Public Company Limited would like to clarify the net profit for the 1st quarter of the year ending on 31st March 2020. The Company had revenue from sales at 158

The SEC reviewed the principles for overseeing bills issued as securities to ensure compliance with the intent of the Securities and Exchange Act B.E. 2535 (1992) and consistency with the current