(Translation) UAC.CS/010/2019 May 10, 2019 Subject: Explanation of the operating results for the first quarter period ended March 31, 2019 To: President The Stock Exchange of Thailand Attachment

explanation and analysis for three-month period ended 31 March 2019 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited ( “ the Company” ) would like to clarify

Company’s land (additional disclosure) To: The President The Stock Exchange of Thailand The Board of directors meeting # 8/2019 held on June 4, 2019 has a resolution to sell a piece of land to increase

10, 2019 Subjects : The acquisition of ordinary shares of WPS (Thailand) Co., Ltd. increased 15% Attention : The Director and Manager of the Stock Exchange of Thailand The Board of Directors of Eastern

2nd quarter ended 30 June 2019 Attn: Director and Manager, The Stock Exchange of Thailand With respect to the financial information for the 2nd quarter ended 30 June 2019, as submitted by the Company

ที่ FPI Ref. FPI.006/2019 14 August 2019 Subject : Management Discussion & Analysis of Performance Results of Quarter 2/2019 To : Board of Directors and President of The Stock Exchange of Thailand

- Translation - 14 August 2019 Subject: Management’s Discussion and Analysis for the Operating Results of the Second Quarter of 2019 Attention: The President of the Stock Exchange of Thailand Exotic

November 13, 2006 August 13, 2019 Subjects : The acquisition of ordinary shares of WPS (Thailand) Co., Ltd. increased 0.50% Attention : The Director and Manager of the Stock Exchange of Thailand The

ที่ FPI Ref. FPI.007/2019 14 August 2019 Subject : Management Discussion & Analysis of Performance Results of Quarter 2/2019 (edit) To : Board of Directors and President of The Stock Exchange of

14 August 2019 Subject: Management Discussion and Analysis for the 6-Month Period Ended June 30, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company