May 25, 2017 Subject: Notification on the Acquisition of Assets of AAPICO Hitech Public Company Limited To: The President The Stock Exchange of Thailand Enclosure: Information Memorandum Concerning the

concerning Investment of Funds; “business day” means a day on which management companies are open for normal business; “Stock Exchange” means the Stock Exchange of Thailand; “provident fund with multiple

(Additional) To President The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the Asset Acquisition (Addendum 1) regarding acquisition of shares of S-TREK (Thailand) Co., Ltd. in the

and the Notification of the Board of Governors of the Stock Exchange of Thailand (SET), entitled Disclosure of Information and Other Acts of Listed Companies concerning the Connected Transaction, B.E

nine-month period ending 30 September 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

-months period ending 30 September 2018 (revised) To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are please to inform you our management

1 Translation CEN 025-2017 November 13, 2017 Subject : Management Discussion and Analysis for business operation of quarter 3/2017 To The Manager and President The Stock Exchange of Thailand For 3

Translation CEN 003-2018 February 23, 2018 Subject : Management Discussion and Analysis for business operation of year 2017 To : The Manager and President The Stock Exchange of Thailand Business

1 Translation CEN 004-2019 February 27, 2019 Subject Management Discussion, analysis and business operation of year 2018 To The Manager and President The Stock Exchange of Thailand Yearly business

1 / 4 (Translation) PRG.MD. 040/2019 May 14th, 2019 Subject: Management Discussion and Analysis (MD&A) Q1/2019 Attention: Managing Director of the Stock Exchange of Thailand We, Patum Rice Mill and