3344 Fax. 66 2 654 3323 No. PACE IR2019/001 Date: 28 February 2019 Subject: Explanation of the Operating Results for the year ended 31 December 2018 changing over 20% To: The President The Stock Exchange

Stock Exchange of Thailand PACE Development Corporation Public Company Limited (“the Company”) would like to report the operating results for the year ended 31 December 2018. The details are as follows

Exchange of Thailand PACE Development Corporation Public Company Limited (“the Company”) would like to report the operating results for the three-month period ended 31 March 2019. The details are as follows

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

Microsoft Word - Final_Eng_MD&A Q1'18.docx (Translation) May 15, 2018 Ref: SET-2018-012 Re: Management Discussion and Analysis for Quarter 1’ 2018 Attn. to: President The Stock Exchange of Thailand

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

No. CAZ 017/2020 07 August 2020 Subject: Management Discussion and Analysis for the 2nd Quarter ended 30 June 2020 Attention: The President, The Stock Exchange of Thailand CAZ (Thailand) Public

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

เปนมาและพัฒนาการที่สําคัญ B. Business overview ภาพรวมการประกอบธุรกิจ C. Organization Structure โครงสรางบริษัท D. Property, Plants and Equipment ทรัพยสินท่ีใชในการประกอบธุรกิจ V. OPERATING AND