October 11, 2019 Re: Clarification of the operating results of company and its subsidiaries for the nine month periods ended September 30, 2018 To: Boards and Managements The Stock Exchange of

period ended June 30, 2020 To: Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for quarter 2/2020 of WIIK Public Company Limited

ที่ FPI Ref. FPI.008/2020 11 August 2020 Subject : Management Discussion & Analysis of Performance Results of Quarter 2 2020 To : Board of Directors and President of The Stock Exchange of Thailand

: Directors and Manager, The Stock Exchange of Thailand N.D. Rubber Public Company Limited (“the Company” or “NDR”) would like to present the MD&A for the Three-Month period ended 31 March 2020 which was

Market Supervisory Board No.TorChor 21/2551 Re: Rules on Connected Transactions and Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure of Information and Other Acts of

Exchange (Baht 58 million). The Consolidated Net Loss stands at Baht 869 million against Baht 431 million due to drop in sales volume and selling prices. Unit : million Baht Q 3/2019 Q 3/2018 Group Revenues

and Allocation of Securities to the Specific Investor (Private Placement) To The President The Stock Exchange of Thailand Attachment 1. Information Memorandum regarding the Acquisition of Assets and

has disclosed the issue about the procurement process of raw materials to The Stock Exchange of Thailand in Global Green Chemicals Public Company Limited Management’s Discussion and Analysis | 3 2Q2018

General Meeting of Shareholders, Dividend Payment and Connected Transaction Attn: President, the Stock Exchange of Thailand The Board of Directors Meeting of Vinythai Public Company Limited No. 1/2018, held

the Year as at 31 December 2018 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are please to inform you our management discussion and