16 August 2019 Subject: Report of significant resolutions of Board of Directors’ meeting Attention: Director and Manager The Stock Exchange of Thailand (SET) Nation Multimedia Group Public Company

Period (Q1/2018) 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 31 March

Period (Q1/2018) (Revise No.1) 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

Three Month Period (Q2/2018) 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

the Three Month Period (Q2/2018) (Revised 1) 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

Analysis (MD&A) Report for the Three Month Period (Q3/2018) Attention: Directors and Manager, The Stock Exchange of Thailand N.D. Rubber Public Company Limited (“the Company”) would like to present the MD&A

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

-Translation- 1 -Translation- Ref. NCH 024/2020 May 11, 2020 Subject : Management’s Discussion and Analysis 1Q/2020 Attention : Director and Manager The Stock Exchange of Thailand N.C. Housing Plc

Provincial Waterworks Authority Attention: Directors and Managers The Stock Exchange of Thailand CC: Secretary-General of the Office of the Securities and Exchange Commission, Thailand Attachment: Map of the

- Translation - 15 May 2020 Subject: Management’s Discussion and Analysis for the Operating Results of the First Quarter of 2020 Attention: The President of the Stock Exchange of Thailand Exotic Food