(Translation) UAC.CS/013/2017 August 15, 2017 Subject: Explanation of the operating results for the second quarter period ended June 30, 2017 To: President The Stock Exchange of Thailand Attachment

(Translation) UAC.CS/014/2017 November 13, 2017 Subject: Explanation of the operating results for the third quarter period ended September 30, 2017 To: President The Stock Exchange of Thailand

: Management explanation and analysis for three-month period ended September 30, 2017 Attention : The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited (“the Company”) would

: Management explanation and analysis for the year ended 31 December 2017 Attention : The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited (“the Company”) would like to clarify

% Note * Shareholding as at December 29th, 2017, the latest shareholders registered book closing date. (3) General Explanation regarding Nature of the Connected Transaction Details of the connected

(Translation) UAC.CS/002/2019 February 28, 2019 Subject: Explanation of the operating results for the year period ended December 31, 2018 To: President The Stock Exchange of Thailand Attachment

(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

PUBLIC COMPANY LIMITED (“the Company”) would like to provide an explanation regarding our financial performance and position for the 3-month period ended 31 March 2019 as follows: Financial Performance For

: 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