May 15, 2019 Subject : Management Discussion and Analysis for quarter ended March 31, 2019 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1 Revenues Consolidated

May 12, 2018 Subject : Management Discussion and Analysis for quarter ended March 31, 2018 Attention : President The Stock Exchange of Thailand 1. Operating Performance . Revenues (Thousands Baht

May 15, 2020 Subject : Management Discussion and Analysis for 1st quarter ended March 31, 2020 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1 Revenues Consolidated

-Translation- NO. ED-MD2020-0004 February 24th, 2020 Subject: Clarification of changes in excess of 20% in the operating results for year ended 2017 To: Director and General Manager The Stock

- Translation - MPIC 014/2017 November 8, 2017 Subject: Submit the Financial Statement for the quarter ended September 30, 2017 and clarification for the change of operating result more than 20

- Translation - MPIC 002/2018 February 14, 2018 Subject: Submit the Year End Financial Statement ended December 31, 2017 and clarification for the change of operating result more than 20% Attention

- Translation - MPIC 018/2019 August 7, 2019 Subject: Submit the Financial Statement for the quarter ended June 30, 2019 and clarification for the change of operating result more than 20% Attention

ED-MD2020-0028 6th August 2020 Subject Clarification of changes in excess of 20% in the operating results for year Q2/2020 To Director and General Manager The Stock Exchange of Thailand Eureka Design

Limited (BSEC)  based on nonpublic information he had known by virtue of his working positions. Following a referral from the Stock Exchange of Thailand (SET), the SEC?s further investigation has revealed

International Company Limited from existing shareholders as the Stock Exchange of Thailand queried Attn.: The President The Stock Exchange of Thailand As per queried by the Stock Exchange of Thailand (SET) on