the three month period ended September 30, 2017 operating results. To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for quarter

:(1) Every five percent report will apply only to  securities issued by company listed on the Stock Exchange of Thailand (SET);(2) Submission of a copy of report to the SET will no longer be required as

for the three-month period ended March 31, 2019 To: Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for quarter 1/2019 of Wiik

analysis for the three-month period ended June 30, 2019 To: Director and Manager of the Stock Exchange of Thailand Referring to the submission of reviewed financial statements for quarter 2/2019 of Wiik

and analysis for the period ended March 31, 2018 To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for quarter 1/2018 of Wiik

: Management discussion and analysis for the period three-month ended September 30, 2018 To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements

analysis for the three-month period ended September 30, 2019 To: Director and Manager of the Stock Exchange of Thailand Referring to the submission of reviewed financial statements for quarter 3/2019 of Wiik

: Clarification for the three month period ended June 30, 2017 operating results. To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for

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

-month period ended March 31, 2020 To: Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for quarter 1/2020 of WIIK Public Company