-1 -Translation- Ref. LPN/SorKor/053/2562 14th February 2019 RE: Financial Statements Analysis Report 2018 Dear: President The Stock Exchange of Thailand L.P.N. Development Public Co., Ltd. would

of Thailand Rajthanee Hospital Public Company Limited ( “the Company”) would like to clarify the operating results of the Company and its subsidiaries for the year ended December 31, 2018 which has

Exchange of Thailand Origin Property Public Company Limited and its subsidiaries hereinafter called “The Group” For the year ended December 31, 2018. The operating results were, Description YE 2017 YE 2018

Page 1 of 5 26 February 2019 Subject Management Discussion and Analysis for the year ended December 31, 2018 To : The President The Stock Exchange of Thailand WICE Logistics Public Company Limited

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

Manager The Stock Exchange of Thailand The Board of Director’s meeting No. 7/2019 of General Engineering Public Company Limited (“the Company”) held on November 14, 2019 has approved and verified the

R&B Food Supply Public Company Limited 24 February 2020 Re Management Discussion and Analysis for the year 2019 (Revised) Attn. The President The Stock Exchange of Thailand (SET) R&B Food Supply

: 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

1 Ref: AC.008/2020 25 February 2020 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

-1- Ref. POL. 028/2020 February 25, 2020 Re: Management Discussion & Analysis of S & P Syndicate Public Company Limited Dear The President The Stock Exchange of Thailand S & P Syndicate Public