1188 FAX : +66 (0) 2625 1103 www.jubileediamond.co.th No. CS07/2020 May 12nd, 2020 Subject: Declaration of Operating Results for the 1st quarter ended 31 March 2020 Attn: Director and Manager, The Stock

Ref: ACC6401 / 001 March 01, 2021 Subject Clarification of Operating results for the year 2020, Ending December 31, 2020 Attention: Director and Manager The Stock Exchange of Thailand As Advanced

Ref: ACC6405/001 March 12, 2021 Subject Clarification of the operating results for the quarter 1/2021 ended March 31, 2021 Attention: Director and Manager The Stock Exchange of Thailand According to

According to referrals from the Stock Exchange of Thailand (SET) and the SEC’s further investigation, it was revealed that during the months of December 2017 – May 2018, two groups of persons engaged

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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

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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

: Management explanation and analysis for three-month period ended 30 June 2019 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited ( “the Company” ) would like to

and Analysis for 2018 To : Director and the President The Stock Exchange of Thailand Summary of the Company’s Financial Position and Operating Result for the 3 and 9 month period ended 30 Sep. 2018