1.Date of occurrence of the event:2024/08/01
2.Company name:C SUN MFG. LTD.
3.Relationship to the Company (please enter ”head office” or ”subsidiaries”):head office
4.Reciprocal shareholding ratios:N/A
5.Cause of occurrence:The company transfer treasury shares to employees

1.Date of occurrence of the event:2024/08/01
2.Reason for the donation:Industry-Academia Collaboration and Talent Development
3.Total amount of the donation:NT$20,000,000
4.Counterparty to the donation:National Taiwan University
5.Relationship with the Company:None.

1.Date of submission to the board of directors or approval by the board of directors:2024/08/01
2.Date of approval by the audit committee:2024/08/01
3.Start and end dates of financial reports or annual self-assessed financial information of the reporting period (XXXX/XX/XX~XXXX/XX/XX): 2024/01/01~2024/06/30
4.Operating revenue accumulated from 1/1 to end of the period (thousand NTD):2,429,353
5.Gross profit (loss) from operations accumulated from 1/1 to end of the period (thousand NTD):979,573

1.Date of the board of directors resolution or date of occurrence of the change:2024/07/24
2.Position (Please enter chairperson or president/general manager): Chairperson and General Manager
3.Name of the previous position holder:LIANG,MAO-JHONG
4.Resume of the previous position holder: Csun Technology (Guangzhou) Co., Ltd. Chairperson

1.Date of occurrence of the change:2024/07/24
2.Elected or changed position (Please enter institutional director,
institutional supervisor, independent director, natural-person director or
natural-person supervisor):Natural person director
and Natural person supervisor
3.Title and name of the previous position holder
4.Resume of the previous position holder
5.Title and name of the new position holder

1.Date of a notice of the board of directors meeting is issued:2024/07/23
2.Expected date of the board of directors meeting is convened:2024/08/01
3.Expected year and quarter of the financial reports or the annual self-assessed financial information submitted to the board of directors or approved by the board of directors:2024 second quarter Consolidated Financial Report
4.Any other matters that need to be specified:None.

1.Date of occurrence of the event:2024/07/15
2.Company name:C SUN MFG. LTD.
3.Relationship to the Company (please enter ”head office” or
”subsidiaries”):Head office
4.Reciprocal shareholding ratios:N/A
5.Cause of occurrence:The company’s accumulated consolidated preliminary
after-tax profit for Q2 2024, of which the after-tax net profit attributable
to the parent company was TWD 359 million, and earnings per share (EPS)
were 2.40.

1.Date of occurrence of the event:2024/07/03
2.Cause of occurrence:Request by TWSE to announce relevant information.
3.Financial and business information
4.Any matters regarding to ”Taiwan stock exchange corporation procedure for verification and disclosure of material information of companies with listed securities” article 4 that need to be specified:None

1.Date of institutional investor conference:2024/06/12
2.Time of institutional investor conference:10:50 A.M.
3.Location of institutional investor conference: Regent Taipei 4F
4.Outline of institutional investor conference:The Company is invited to participate in Yuanta Securities’ 2024 second quarter investment forum to present an overview of the company’s operations, financials, and relevant business information.
5.Any other matters that need to be specified:None

1.Date of the shareholders meeting resolution:2024/05/21
2.Name and title of the director with permission to engage in competitive conduct:Director Chen, Zheng-Xing
3.Items of competitive conduct in which the director is permitted to engage: Investing in or managing a third party operating in a scope of business similar to that of the Company.
4.Period of permission to engage in the competitive conduct: For the duration of serving as a director of the Company.
5.Circumstances of the resolution (please describe the results of voting in accordance with Article 209 of the Company Act): The resolution was approved by a vote of all shareholders present.