the Year ending 31 December 2019 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are pleased to provide you our management discussion and

units and exercise price of THB 2 per share. Subsequently, 98mn additional listed shares begin trading on SET on 9 November 2017, resulting in an increase in paid-up common stock to THB 3,439mn shares

181 -10.3% 43.8% Adjusted net profit3 157 227 240 5.9% 53.3% Gross profit margin 57.2% 60.4% 60.6% EBITDA margin 32.1% 45.4% 38.0% Adjusted EBITDA margin 35.4% 46.1% 44.2% Net profit margin 16.3% 20.6

R&B Food Supply Public Company Limited 1 14 August, 2020 Re Management Discussion and Analysis for the 6-month period ended 30 June, 2020 Attn. The President The Stock Exchange of Thailand (SET) R&B

analysis report of the financial positions and result of business operations differences more than 20% compare to the previous year. To : Board of Governors and the President of The Stock Exchange of

-30% %Gross Profit Margin* 18.3% 26.3% - 22.1% 28.7% - Selling Expenses 290 239 +21% 970 873 +11% % Selling Expenses to Sales 19.9% 15.6% 18.1% 14.8% - Administrative Expenses 154 147 +5% 566 523 +8

. In addition, Gross Refinery Margin was still at the low level. This has affected the performance of the petroleum related business. However, demand for consumption of finished products see signs of

Ref: UWC 025/2562 November 13, 2019 Subject: Management Discussion and Analysis 3rd Quarter ended September 30, 2019 To: President The Stock Exchange of Thailand Ua Withya Public Company Limited

: Management explanation and analysis for the yearly ending 31 December 2019 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited ( “the Company” ) would like to

(Translation) NEP-AC 001/2018 22 February 2018 Subject : Management Discussion and Analysis for the year ended 31 December 2017 To : The President The Stock Exchange of Thailand Operating Result NEP