Major Information

1.Date of the board of directors' resolution:2024/03/12 2.Shareholders meeting date:2024/06/26 3.Shareholders meeting location:No. 399, Ruiguang Road, Neihu District, Taipei City(meeting room on the east side of the 1st floor of the Liberty Square Convention Center) 4.Shareholders' meeting will be held by means of (physical shareholders' meeting/ hybrid shareholders' meeting / virtual-only shareholders' meeting):Physical shareholders' meeting 5.Cause for convening the meeting (1)Reported matters: (1) The Company's 2023 Business Report. (2) Audit Committee's 2023 Review Report. (3) Report on the distribution of 2023 director remuneration and employee remuneration. 6.Cause for convening the meeting (2)Acknowledged matters: (1) The Company's 2023 financial statements. (2) The Company's 2023 earnings distribution proposal. 7.Cause for convening the meeting (3)Matters for Discussion:None. 8.Cause for convening the meeting (4)Election matters:None. 9.Cause for convening the meeting (5)Other Proposals:None. 10.Cause for convening the meeting (6)Extemporary Motions:None. 11.Book closure starting date:2024/04/28 12.Book closure ending date:2024/06/26 13.Any other matters that need to be specified: In accordance with Articles 172-1 of the Company Act, the Company plans to accept shareholder proposals for director candidates submitted by any shareholder who hold 1% or more of the Company's total issued shares for this general shareholders' meeting from April 19, 2024 through April 29, 2024. Eligible shareholders…

1.Name and nature of the underlying asset (e.g., land located at Sublot XX, Lot XX, North District, Taichung City):SERVER VFG-SYS-821GE-TNHR-1081 2.Date of occurrence of the event:2024/02/23 3.Transaction unit amount (e.g.XX square meters, equivalent to XX ping), unit price, and total transaction price: Transaction unit amount：50units Estimated unit price:NT$8,500,000 Estimated total transaction price:NT$425,000,000 Estimated construction cost:NT$75,000,000 4.Trading counterparty and its relationship with the Company (if the trading counterparty is a natural person and furthermore is not a related party of the Company, the name of the trading counterparty is not required to be disclosed): Trading counterparty：Super Micro Computer, Inc. Relationship with the Company：Non-related party 5.Where the trading counterparty is a related party, announcement shall also be made of the reason for choosing the related party as trading counterparty and the identity of the previous owner, its relationship with the Company and the trading counterparty, and the previous date and monetary amount of transfer:N/A 6.Where an owner of the underlying assets within the past five years has been a related party of the Company, the announcement shall also include the date and price of acquisition and disposal by the related party, and its relationship with the Company at the time of the…

1.Name and nature of the underlying asset (e.g., land located at Sublot XX, Lot XX, North District, Taichung City):SERVER VFG-SYS-821GE-TNHR-1081 2.Date of occurrence of the event:2024/02/23 3.Transaction unit amount (e.g.XX square meters, equivalent to XX ping), unit price, and total transaction price: Transaction unit amount：50units Estimated unit price:NT$8,500,000 Estimated total transaction price:NT$425,000,000 Estimated construction cost:NT$75,000,000 4.Trading counterparty and its relationship with the Company (if the trading counterparty is a natural person and furthermore is not a related party of the Company, the name of the trading counterparty is not required to be disclosed): Trading counterparty：Super Micro Computer, Inc. Relationship with the Company：Non-related party 5.Where the trading counterparty is a related party, announcement shall also be made of the reason for choosing the related party as trading counterparty and the identity of the previous owner, its relationship with the Company and the trading counterparty, and the previous date and monetary amount of transfer:N/A 6.Where an owner of the underlying assets within the past five years has been a related party of the Company, the announcement shall also include the date and price of acquisition and disposal by the related party, and its relationship with the Company at the time of the…

1.Date of occurrence of the event:2024/02/21 2.Cause of occurrence:Request by TWSE to announce relevant information. 3.Financial and business information: Period Recent Month Recent Quarter Most Recent Four Quarters Accum. JAN.2024 YOY% 2023Q3 YOY% 2022Q4~2023Q3 Account (IFRS- (IFRS- (IFRS- consolidated consolidated consolidated unreviewed) unreviewed) Audited) ========== ======= ========== ========= ========== ============ Operating 1,553 58.15% 4,151 -14.73% 15,745 Revenue (million) Net profit 34 230.77% 175 36.72% 455 before tax (million) Net profit 27 228.57% 149 52.04% 371 (million) EPS 0.17 230.77% 0.91 40.00% 2.28 (NT$) 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. 5.Any matters regarding to ”Taiwan stock exchange corporation procedure for verification and disclosure of material information of companies with listed securities” article 11 that need to be specified:None. 6.Please inquiry the items of financial Information on the website of MOPS, and the paths as follow: (1)Current sales revenue/income(loss): Summaries>Financial Information applicable after adopting IFRSs (2)Historic sales revenue per month: Operating Statements>Monthly Sales Revenue> Statement of Sales Revenue(after adopting IFRSs) (3)Historic income or loss(audited/reviewed by the CPA): Financial Statements> FINANCIAL STATEMENT after adopting IFRSs>Balance Sheet/Income Statement (4)Historic income or loss…

1.Date of occurrence of the event:2024/02/21 2.Cause of occurrence:Request by TWSE to announce relevant information. 3.Financial and business information: Period Recent Month Recent Quarter Most Recent Four Quarters Accum. JAN.2024 YOY% 2023Q3 YOY% 2022Q4~2023Q3 Account (IFRS- (IFRS- (IFRS- consolidated consolidated consolidated unreviewed) unreviewed) Audited) ========== ======= ========== ========= ========== ============ Operating 1,553 58.15% 4,151 -14.73% 15,745 Revenue (million) Net profit 34 230.77% 175 36.72% 455 before tax (million) Net profit 27 228.57% 149 52.04% 371 (million) EPS 0.17 230.77% 0.91 40.00% 2.28 (NT$) 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. 5.Any matters regarding to ”Taiwan stock exchange corporation procedure for verification and disclosure of material information of companies with listed securities” article 11 that need to be specified:None. 6.Please inquiry the items of financial Information on the website of MOPS, and the paths as follow: (1)Current sales revenue/income(loss): Summaries>Financial Information applicable after adopting IFRSs (2)Historic sales revenue per month: Operating Statements>Monthly Sales Revenue> Statement of Sales Revenue(after adopting IFRSs) (3)Historic income or loss(audited/reviewed by the CPA): Financial Statements> FINANCIAL STATEMENT after adopting IFRSs>Balance Sheet/Income Statement (4)Historic income or loss…

1.Date of submission to the board of directors or approval by the board of directors:2023/11/09 2.Date of approval by the audit committee:2023/11/09 3.Start and end dates of financial reports or annual self-assessed financial information of the reporting period (XXXX/XX/XX~XXXX/XX/XX): 2023/01/01~2023/09/30 4.Operating revenue accumulated from 1/1 to end of the period (thousand NTD):11,212,572 5.Gross profit (loss) from operations accumulated from 1/1 to end of the period (thousand NTD):598,241 6.Net operating income (loss) accumulated from 1/1 to end of the period (thousand NTD):242,469 7.Profit (loss) before tax accumulated from 1/1 to end of the period (thousand NTD):287,720 8.Profit (loss) accumulated from 1/1 to end of the period (thousand NTD):233,831 9.Profit (loss) during the period attributable to owners of parent accumulated from 1/1 to end of the period (thousand NTD):239,540 10.Basic earnings (loss) per share accumulated from 1/1 to end of the period (NTD):1.47 11.Total assets end of the period (thousand NTD):7,954,571 12.Total liabilities end of the period (thousand NTD):5,221,377 13.Equity attributable to owners of parent end of the period (thousand NTD):2,667,941 14.Any other matters that need to be specified:None.

1.Date of submission to the board of directors or approval by the board of directors:2023/11/09 2.Date of approval by the audit committee:2023/11/09 3.Start and end dates of financial reports or annual self-assessed financial information of the reporting period (XXXX/XX/XX~XXXX/XX/XX): 2023/01/01~2023/09/30 4.Operating revenue accumulated from 1/1 to end of the period (thousand NTD):11,212,572 5.Gross profit (loss) from operations accumulated from 1/1 to end of the period (thousand NTD):598,241 6.Net operating income (loss) accumulated from 1/1 to end of the period (thousand NTD):242,469 7.Profit (loss) before tax accumulated from 1/1 to end of the period (thousand NTD):287,720 8.Profit (loss) accumulated from 1/1 to end of the period (thousand NTD):233,831 9.Profit (loss) during the period attributable to owners of parent accumulated from 1/1 to end of the period (thousand NTD):239,540 10.Basic earnings (loss) per share accumulated from 1/1 to end of the period (NTD):1.47 11.Total assets end of the period (thousand NTD):7,954,571 12.Total liabilities end of the period (thousand NTD):5,221,377 13.Equity attributable to owners of parent end of the period (thousand NTD):2,733,194 14.Any other matters that need to be specified:None.

1.Date of institutional investor conference: 2023/11/22 2.Time of institutional investor conference: 14:30 3.Location of institutional investor conference: Zoom meeting ID: 99599130733 (If you intend to participate in the conference, please contact Mr. Kuo at 02-26599838 ext.1910) 4.Outline of institutional investor conference: The Company will hold an online investor conference in the third quarter of 2023, please install Zoom Meetings before the conference begins. Zoom for desktops: http://www.zoomnow.net Zoom for mobile phones: iOS-APP Store/Android-Google Play 5.Any other matters that need to be specified: Please be sure to enter the meeting ID to join the conference before 14:20 on November 22, 2023 (Wednesday).

1.Date of institutional investor conference: 2023/08/23 2.Time of institutional investor conference: 14:30 3.Location of institutional investor conference: Zoom meeting ID: 95861401258 (If you intend to participate in the conference, please contact Mr. Kuo at 02-26599838 ext.1910) 4.Outline of institutional investor conference: The Company will hold an online investor conference in the second quarter of 2023, please install Zoom Meetings before the conference begins. Zoom for desktops: http://www.zoomnow.net Zoom for mobile phones: iOS-APP Store/Android-Google Play 5.Any other matters that need to be specified: Please be sure to enter the meeting ID to join the conference before 14:20 on August 23, 2023 (Wednesday).

1.Date of the board of directors resolution:2023/08/08 2.Name and title of the managerial officer with permission to engage in competitive conduct:LIU,YEN-HUI/President 3.Items of competitive conduct in which the officer is permitted to engage: The person also serves as the president of Rehear Audiology Company Ltd. 4.Period of permission to engage in the competitive conduct: When the person is serving as a managerial officer of the Company. 5.Circumstances of the resolution (please describe the results of voting in accordance with Article 32 of the Company Act): After the chair put this proposal before all directors present at the meeting , it was approved as proposed without objection. 6.If the permitted competitive conduct belongs to the operator of a mainland China area enterprise, the name and title of the managerial officer (if it is not the operator of a mainland China area enterprise, please enter “N/A” below):N/A 7.Company name of the mainland China area enterprise and the officer's position in the enterprise:N/A 8.Address of the mainland China area enterprise:N/A 9.Operations of the mainland China area enterprise:N/A 10.Impact on the company's finance and business:N/A 11.If the managerial officer has invested in the mainland China area enterprise, the monetary amount of the investment and…

1.Date of the resolution by the board of directors or shareholders meeting or decision by the Company:2023/08/08 2.Type of ex-rights or ex-dividend (please enter: “Ex-rights”, ”Ex-dividend”, or ”Ex-rights and dividend”):Ex-dividend 3.Type and monetary amount of dividend distribution: The cash dividend distributed to shareholders totaled NT$325,250,910 at NT$2 per share. 4.Ex-rights (ex-dividend) trading date:2023/08/24 5.Last date before book closure:2023/08/25 6.Book closure starting date:2023/08/26 7.Book closure ending date:2023/08/30 8.Ex-rights (ex-dividend) record date:2023/08/30 9.Deadline for applying the conversion of the debt voucher:N/A 10.The closure period for the conversion of the debt voucher will start from the date:N/A 11.The closure period for the conversion of the debt voucher will end on the date:N/A 12.Payment date of cash dividend distribution:2023/09/20 13.Any other matters that need to be specified:None

1.Date of submission to the board of directors or approval by the board of directors:2023/08/08 2.Date of approval by the audit committee:2023/08/08 3.Start and end dates of financial reports or annual self-assessed financial information of the reporting period (XXXX/XX/XX~XXXX/XX/XX): 2023/01/01~2023/06/30 4.Operating revenue accumulated from 1/1 to end of the period (thousand NTD):7,061,220 5.Gross profit (loss) from operations accumulated from 1/1 to end of the period (thousand NTD):321,640 6.Net operating income (loss) accumulated from 1/1 to end of the period (thousand NTD):109,235 7.Profit (loss) before tax accumulated from 1/1 to end of the period (thousand NTD):112,394 8.Profit (loss) accumulated from 1/1 to end of the period (thousand NTD):88,350 9.Profit (loss) during the period attributable to owners of parent accumulated from 1/1 to end of the period (thousand NTD):91,009 10.Basic earnings (loss) per share accumulated from 1/1 to end of the period (NTD):0.56 11.Total assets end of the period (thousand NTD):7,443,740 12.Total liabilities end of the period (thousand NTD):4,933,445 13.Equity attributable to owners of parent end of the period (thousand NTD):2,442,954 14.Any other matters that need to be specified:None.

1.Date of the shareholders meeting resolution:2023/06/19 2.Name and title of the director with permission to engage in competitive conduct: Director: De-Jet Investment Co., Ltd. Representative: YEH, CHIA-WEN Director: De-Jet Investment Co., Ltd. Representative: SHEN, CHE-SHENG Independent Director: KO,YEN-HUI Independent Director: LEE WEI-CHANG 3.Items of competitive conduct in which the director is permitted to engage: irector: De-Jet Investment Co., Ltd. Representative: YEH, CHIA-WEN (1)Director, Zu Yuan Industrial Co., Ltd. (2)Director, SmartBee Intelligence Company Ltd. (3)Chairperson, Rehear Audiology Company Ltd. Director: De-Jet Investment Co., Ltd. Representative: SHEN, CHE-SHENG (1)Vice President, Investment Department, De-Jet Investment Co., Ltd. Independent Director: KO,YEN-HUI (1)Special Assistant to the Chairperson, Clinico Inc. (2)Director of the CHANITEX Education Foundation (3)Independent Director, Sanlien Technology Corp. (4)Director, CC&C TECHNOLOGIES, INC. (5)Independent Director, Level Biotechnology Inc. Independent Director: LEE WEI-CHANG (1)President of Diamond Business Unit, Kinik Company 4.Period of permission to engage in the competitive conduct: When said entities are serving as the directors of the Company. 5.Circumstances of the resolution (please describe the results of voting in accordance with Article 209 of the Company Act): Passed by means of voting by the shareholders' meeting 6.If the permitted competitive conduct belongs to the operator of a mainland China area enterprise, the name…

1.Date of occurrence of the change:2023/06/19 2.Elected or changed position (Please enter institutional director, institutional supervisor, independent director, natural-person director or natural-person supervisor):Institutional director、Independent director 3.Title and name of the previous position holder:N/A. 4.Resume of the previous position holder:N/A. 5.Title and name of the new position holder: (1)Institutional director：De-Jet Investment Co., Ltd. Representative: SHEN, CHE-SHENG (2)Independent Director: LEE WEI-CHANG 6.Resume of the new position holder: (1)Institutional director：De-Jet Investment Co., Ltd. Representative: SHEN, CHE-SHENG Vice President, Investment Department, De-Jet Investment Co., Ltd. (2)Independent Director: LEE WEI-CHANG, President of the Diamond Business Unit, Kinik Company 7.Circumstances of change (Please enter “resignation”, “dismissal”, “term expired”, “death” or “new appointment”):new appointment 8.Reason for the change:An election of one additional director and one additional independent director 9.Number of shares held by the new position holder when elected: De-Jet Investment Co., Ltd. Representative: SHEN, CHE-SHENG 52,782,278 shares LEE WEI-CHANG 0 share 10.Original term (from __________ to __________):from 2022/06/23 to 2025/06/22 11.Effective date of the new appointment:2023/06/19 12.Turnover rate of directors of the same term:2/9 13.Turnover rate of independent directors of the same term:1/4 14.Turnover rate of supervisors of the same term:N/A. 15.Change in one-third or more of directors (Please enter “Yes” or “No”):No 16.Any other matters…

1.Date of the shareholders meeting:2023/06/19 2.Important resolutions (1)Profit distribution/ deficit compensation: Passed the ratification of the Company's 2022 earnings distribution proposal. Voting results Vote for：96,503,578 Number of votes；98.25%of valid voting rights Vote against：10,171 Number of votes；0.01%of valid voting rights Invalid vote：0 Number of votes；0.00%of valid voting rights Abstention/Uncast vote：1,708,079 Number of votes； 1.73%of valid voting rights 3.Important resolutions (2)Amendments to the corporate charter:None 4.Important resolutions (3)Business report and financial statements: Passed the ratificationof the Company's 2022 financial statements. Voting results Vote for：96,454,601 Number of votes；98.20%of valid voting rights Vote against：10,168 Number of votes；0.01%of valid voting rights Invalid vote：0 Number of votes；0.00%of valid voting rights Abstention/Uncast vote：1,757,059 Number of votes； 1.78%of valid voting rights 5.Important resolutions (4)Elections for board of directors and supervisors: An election of one additional director and one additional independent director. List of directors elected： Director: De-Jet Investment Co., Ltd. Representative: SHEN, CHE-SHENG：Number of votes won:97,719,850 Independent Director: LEE WEI-CHANG： Number of votes won:94,812,000 Term of office: From June 19, 2023 to June 22,2025 6.Important resolutions (5)Any other proposals: Passed the removal of the non-compete clause for the Company's directors. Voting results Vote for：96,407,023 Number of votes；98.01%of valid voting rights Vote against：80,875 Number of votes；0.08%of valid voting rights…

1.Date of occurrence of the change:2023/06/19 2.Name of the functional committees:Audit committee 3.Name of the previous position holder:N/A. 4.Resume of the previous position holder:N/A. 5.Name of the new position holder:LEE WEI-CHANG 6.Resume of the new position holder: President of the Diamond Business Unit, Kinik Company 7.Circumstances of change (Please enter “resignation”, “dismissal”, “term expired”, “death” or “new appointment”):New appointment 8.Reason for the change: To enhance corporate governance, one more independent director was elected. 9.Original term (from __________ to __________):From 2022/06/23 to 2025/06/22 10.Effective date of the new member:2023/06/19 11.Any other matters that need to be specified:None.

1.Date of submission to the board of directors or approval by the board of directors:2023/05/09 2.Date of approval by the audit committee:2023/05/09 3.Start and end dates of financial reports or annual self-assessed financial information of the reporting period (XXXX/XX/XX~XXXX/XX/XX): 2023/01/01~2023/03/31 4.Operating revenue accumulated from 1/1 to end of the period (thousand NTD):3,320,282 5.Gross profit (loss) from operations accumulated from 1/1 to end of the period (thousand NTD):201,243 6.Net operating income (loss) accumulated from 1/1 to end of the period (thousand NTD):96,194 7.Profit (loss) before tax accumulated from 1/1 to end of the period (thousand NTD):76,996 8.Profit (loss) accumulated from 1/1 to end of the period (thousand NTD):61,650 9.Profit (loss) during the period attributable to owners of parent accumulated from 1/1 to end of the period (thousand NTD):61,650 10.Basic earnings (loss) per share accumulated from 1/1 to end of the period (NTD):0.38 11.Total assets end of the period (thousand NTD):7,193,499 12.Total liabilities end of the period (thousand NTD):4,429,546 13.Equity attributable to owners of parent end of the period (thousand NTD):2,693,953 14.Any other matters that need to be specified:None.

1.Date of submission to the board of directors or approval by the board of directors:2023/05/09 2.Date of approval by the audit committee:2023/05/09 3.Start and end dates of financial reports or annual self-assessed financial information of the reporting period (XXXX/XX/XX~XXXX/XX/XX): 2023/01/01~2023/03/31 4.Operating revenue accumulated from 1/1 to end of the period (thousand NTD):3,320,282 5.Gross profit (loss) from operations accumulated from 1/1 to end of the period (thousand NTD):201,243 6.Net operating income (loss) accumulated from 1/1 to end of the period (thousand NTD):96,194 7.Profit (loss) before tax accumulated from 1/1 to end of the period (thousand NTD):76,996 8.Profit (loss) accumulated from 1/1 to end of the period (thousand NTD):61,650 9.Profit (loss) during the period attributable to owners of parent accumulated from 1/1 to end of the period (thousand NTD):61,650 10.Basic earnings (loss) per share accumulated from 1/1 to end of the period (NTD):0.38 11.Total assets end of the period (thousand NTD):7,193,499 12.Total liabilities end of the period (thousand NTD):4,429,546 13.Equity attributable to owners of parent end of the period (thousand NTD):2,763,953 14.Any other matters that need to be specified:None.

1.Date of occurrence of the event:2023/03/28 2.Method of the current increase (decrease) in investment: Disposal to invest in Shandong Wanshunhe Energy Co., Ltd. through a third-region entity 3.Amount, unit price, and total monetary amount of the transaction:N/A. 4.Company name of the mainland Chinese investee: Shandong Wanshunhe Energy Co., Ltd. 5.Paid-in capital of aforementioned mainland Chinese investee: Registered capital of 3,000,000 CNY 6.Amount of capital increase currently planned for the aforementioned mainland Chinese investee:N/A. 7.Main businesses of the aforementioned mainland Chinese investee: Sales of chemicals and specialty chemicals with a business permit for the operation of hazardous chemicals. 8.Type of CPA opinion in the latest annual financial statements of the aforementioned mainland Chinese investee:N/A. 9.Total equity of the aforementioned mainland Chinese investee in the latest annual financial statements:N/A. 10.Amount of profit/loss of the aforementioned mainland Chinese investee in the latest annual financial statements:N/A. 11.Amount of actual investment in the aforementioned mainland Chinese investee, up to the present moment:0 12.Trading counterparty and its relationship with the Company:N/A. 13.Where the trading counterparty is a related party, announcement shall also be made of the reason for choosing the related party as trading counterparty and the identity of the previous owner, its relationship with the…

1.Date of the board of directors resolution :2023/03/28 2.Year or quarter which dividends belong to:2022 3.Period which dividends belong to:2022/01/01~2022/12/31 4.Appropriations of earnings in cash dividends to shareholders (NT$ per share):2 5.Cash distributed from legal reserve and capital surplus to shareholders (NT$ per share):0 6.Total amount of cash distributed to shareholders (NT$):325,250,910 7.Appropriations of earnings in stock dividends to shareholders (NT$ per share):0 8.Stock distributed from legal reserve and capital surplus to shareholders (NT$ per share):0 9.Total amount of stock distributed to shareholders (shares):0 10.Any other matters that need to be specified:None 11.Per value of common stock:NT$10