: Management explanation and analysis for three-month period ended 31 March 2018 Attention : The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited (“the Company”) would like to

November 12, 2004 1/4 (-Translation-) No: SN. 029/2018 May 14, 2018 Subject: Clarification of Operating Results and Financial Status the six-month period ended March 31, 2018 Attention: President The

DCORP 048/2018 May 15, 2018 Subject: Report on the overall operation for first quarter of the year 2018 ended March 31, 2018 and the decrease in the overall operation more than 20 percent Attention

: Management explanation and analysis for the 2nd Quarter ended 30 June 2018 Attention : The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited (“ the Company”) would like to

and analysis for the period ended June 30, 2018 To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for quarter 2/2018 of Wiik

วันที่ 25 กุมภาพันธ์ 2558 August 10, 2018 Subject: Management’s Discussion and Analysis for the 6 months period ended June 30, 2018 Attention: Director and Manager The Stock Exchange of Thailand LDC

DCORP 070/2018 August 14, 2018 Subject: Report on the overall operation for first half of the year 2018 ended June 30, 2018 and the decrease in the overall operation more than 20 percent Attention

: 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

November 13, 2018 Subject: MD&A for the financial statements of the 3rd quarter of fiscal year 2018 ended as of September 30, 2018 To: The President The Stock Exchange of Thailand Aapico Hitech Public

DCORP 084/2018 November 14, 2018 Subject: Report on the overall operation for first 9 months of the year 2018 ended September 30, 2018 and the decrease in the overall operation more than 20 percent