(Translation) th August, Ref: SET-- Re: Management's Discussion and Analysis and Operating Results for Quarter / Dear: The President The Stock Exchange of Thailand Filter Vision Public Company

Ref. AU 011/2017 - Translation - 11 August 2017 To: Director and the President The Stock Exchange of Thailand Management Discussion and Analysis for the three-month and the six-month period ended 30

1 Ref: AC.042/2017 14 November 2017 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

(Translation) May 15, 2019 Ref: SET-2019-008 Re: Management Discussion and Analysis for Quarter 1’ 2019 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company Limited and its

3.04% YoY as a result of ongoing repair and maintenance of the overall power generator in order to improve power supply capacity and escalate power to grid. • Revenue from sale of industrial equipment

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

2017 To : Directors and Manager The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No.8/2017 of Wattanapat Hospital Trang Public Company Limited (“the

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

: Management explanation and analysis for the 3rd Quarter ended 30 September 2018 Attention : The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited (“ the Company”) would like