the Year as at 31 December 2017 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

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

the Year as at 31 December 2017 (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

-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

Assets (revised) To : The President The Stock Exchange of Thailand The Board of Directors’ Meeting of World Corporation Public Company Limited (“the Company”) No.8/2019 Held on November 14, 2019 at 14.00

Stock Exchange of Thailand Ferrum Public Company Limited (“the Company”) would like to report the resolution of the Board of Director Meeting No.4/2018, held on March 23, 2018 that the Company has

1 / 2 IR.022/2017 13 November 2017 Re: Clarification on the changes of Profit and Loss Statement To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the

existing shareholder in the amount of Baht 9.6 million. On August 16, 2017, RH International (Singapore) Corporation Pte. Limited, an indirect subsidiary, sold its entire ordinary shares totaling 9,510,060

operating results that posted a difference greater than 20% from the preceding year To: Director and Manager the Stocks Exchange of Thailand According to the Board of Directors’ Meeting of World Corporation

) Attention: President The Stock Exchange of Thailand Reference Letter: The Letter of the Company dated 10 April 2018 re: Acquisition and Disposition of Assets Pace Development Corporation Public Company