November 8, 2018 SET-18-AC-003 Dear The President The Stock Exchange of Thailand Subject: Clarification of Result’s Operation for the three months ended 30 September 2018 According to the resolution

Our Ref: No.V. 029 /2020 August 14,2020 Subject : Explanation for operation of second quarter of year 2020 Attn : Managing Director The Stock Exchange of Thailand Enclosed please find the financial

(Translation) NEP-AC 001/2563 26 February 2020 Subject: Management Discussion and Analysis for year ended December 31, 2019 To : The President The Stock Exchange of Thailand Operating Result NEP

, finance expenses decreased from THB 12.8 Mn to THB 3.6 Mn respectively, a decrease of THB 9.2 Mn or 71.9%. 5 Zen Corporation Group Public Company Limited 662 Soi Onnuch 17, Suanluang, Bangkok 10250 THAILAND

registered for FY2018/19 Baht 76.36 million. The decrease was mainly due to the followings: (a) Lower profits recorded by Thailand Operation on a lower sales revenue recorded in FY2019/20 in comparison to

- Translation - 11 August 2017 Subject: Management’s Discussion and Analysis for the Operating Results of the Second Quarter of 2017 Attention: The President of the Stock Exchange of Thailand Exotic

due to the COVID-19 epidemic which has resulted in a substantial decrease in the number of tourist arrival in Thailand. As a consequence, the occupancy rate in the second quarter of 2020 decreased

(Translation) NEP-AC 002/2561 9 August 2018 Subject : Management Discussion and Analysis for 2nd Quarter ended 30 June 2018 To : The President The Stock Exchange of Thailand Operating Result NEP

results for the six-month period of 2019, change of rate more than 20 percent Dear Director and Manager The Stock Exchange of Thailand According to the resolution of the Board of Directors of DOD Biotech

February 22, 2018 SET-18-AC-001 Dear The President The Stock Exchange of Thailand Subject: Clarification of Result’s Operation for the year ended 31 December 2017 According to the resolution of BKD’s