results for the nine-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

(Ending September 30, 2019) To Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company Limited (“the Company”) would like to clarify on the performance and the financial for Q3

Ref. APURE 024/2023 August 15, 2023 Subject : Financial Position and Operating Performance of year 2022 (Revise) Attention : The Director and President of the Stock Exchange of Thailand Financial

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

-1- AIT (VP-SEC) 003E/2023 16 February 2023 Subject: Management's Discussion and Analysis of Operating Results for the year 2022 and Q4-2022 To: The President of the Stock Exchange of Thailand

% or THB 13,902mn from 31 December 2017, mostly from the EBT of UE, which was funded by a capital increase via issuance of preferred shares in the first quarter  Net debt to equity ratio as of 31

3344 Fax. 66 2 654 3323 No. PACE IR2019/007 Date: 15 August 2019 Subject: Explanation of the Operating Results for the three-month period ended 30 June 2019 changing over 20% To: The President The Stock

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

SAAM Energy Development Public Company Limited - 1 - 4 January 2019 Subject: Management Discussion and Analysis for the year ended 31 December 2017 To: The President of the Stock Exchange of Thailand