3344 Fax. 66 2 654 3323 No. PACE IR2019/004 Date: 15 May 2019 Subject: Explanation of the Operating Results for the three-month period ended 31 March 2019 changing over 20% To: The President The Stock

Quarter of 2019 and 6-months period ending 30 June 2019 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are pleased to provide you our

1 Ref: AC.021/2018 14 August 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

1 Ref: AC.028/2018 13 November 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

3rd Quarter of 2019 and 9-months period ending 30 September 2019 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are pleased to provide

www.ucity.co.th (-Translation-) Ref. No. U.SET 004/2020 31 March 2020 Subject: Acquisition and Disposal of Ordinary Shares in Joint Venture Companies To: The President The Stock Exchange of Thailand U City Public

(Translation) NEP-AC 001/2561 10 May 2018 Subject : Management Discussion and Analysis for 1st Quarter ended March 31, 2018 To : The President The Stock Exchange of Thailand Operating Result NEP

-9320 1 Ref: PCL 2019/003 February 20, 2019 Subject: Management Discussion and Analysis Yearly Ended 31 December 2018 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public

26 February 2019 Subject: Management Discussion and Analysis for the Year Ended December 31, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

of the Stock Exchange of Thailand M.K. Real Estate Development Plc. would like to inform the financial performance for the second quarter ended 30 June 2017. The Company and its subsidiary reported a