Major Information

1.Date of a notice of the board of directors meeting is issued:2024/04/30 2.Expected date of the board of directors meeting is convened:2024/05/09 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:2024Q1 4.Any other matters that need to be specified:None

1.Date of the board of directors resolution:2024/04/26 2.Name [issue no.__ of (secured, unsecured) corporate bonds of ___________ (company)]:The first issue of domestic unsecured convertible corporate bonds of GMI Technology Inc. 3.Whether to adopt shelf registration (Yes/No):No 4.Total amount issued: The total face value of the bonds issued is NT$1,000,000,000. 5.Face value per bond:NT$100,000 6.Issue price:They are issued at 100%-100.5% of the face value. 7.Issuance period:3 years 8.Coupon rate:0% 9.Types, names, monetary values and stipulations of collaterals:N/A 10.Use of the funds raised by the offering and utilization plan: To repay bank loans and improve the financial structure. 11.Underwriting method:They are sold through bookbuilding. 12.Trustees of the corporate bonds:undecided 13.Underwriter or agent:KGI Securities Co. Ltd. 14.Guarantor(s) for the issuance:N/A 15.Agent for payment of the principal and interest: Capital Securities Corp. Transfer Agency Dept. 16.Certifying institution:N/A 17.Where convertible into shares, the rules for conversion: Relevant conversion rules will be handled in accordance with applicable laws and regulations and will be announced separately after being reported to the securities regulatory authority. 18.Sell-back conditions: Relevant conversion rules will be handled in accordance with applicable laws and regulations and will be announced separately after being reported to the securities regulatory authority. 19.Buyback conditions: Relevant conversion rules…

1.Date of the board of directors' resolution:2024/04/26 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: The proposal for a by-election of one independent director. (New proposal added this time) 9.Cause for convening the meeting (5)Other Proposals: Removal of the non-compete clause for the Company's directors. (New proposal added this time) 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:None.

1.Date of occurrence of the change:2024/04/12 2.Elected or changed position (Please enter institutional director, institutional supervisor, independent director, natural-person director or natural-person supervisor):Independent director 3.Title and name of the previous position holder:LIN, MING-JI 4.Resume of the previous position holder: Independent Director, Chicony Electronics Co., Ltd. Independent Director of C SUN MFG. LTD. 5.Title and name of the new position holder:N/A 6.Resume of the new position holder:N/A 7.Circumstances of change (Please enter “resignation”, “dismissal”, “term expired”, “death” or “new appointment”):Resignation 8.Reason for the change:Career planning 9.Number of shares held by the new position holder when elected:N/A 10.Original term (from __________ to __________):form 2022/06/23 to 2025/06/22 11.Effective date of the new appointment:N/A 12.Turnover rate of directors of the same term:3/9 13.Turnover rate of independent directors of the same term:2/4 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”):Yes 16.Any other matters that need to be specified (the information disclosure also meets the requirements of Article 7, subparagraph 6 of the Securities and Exchange Act Enforcement Rules, which brings forth a significant impact on shareholders rights or the price of the securities on public companies.): The company received a letter of resignation…

1.Date of occurrence of the change:2024/04/12 2.Name of the functional committees:Audit Committee, Remuneration Committee, and Sustainable Development Committee 3.Name of the previous position holder:LIN, MING-JI 4.Resume of the previous position holder: Independent Director, Chicony Electronics Co., Ltd. Independent Director of C SUN MFG. LTD. 5.Name of the new position holder:N/A 6.Resume of the new position holder:N/A 7.Circumstances of change (Please enter “resignation”, “dismissal”, “term expired”, “death” or “new appointment”):Resignation 8.Reason for the change:Career planning 9.Original term (from __________ to __________): Audit Committee:2022/06/23~2024/06/22 Remuneration Committee:2022/06/23~2024/06/22 Sustainable Development Committee:2022/11/08/23~2024/06/22 10.Effective date of the new member:N/A 11.Any other matters that need to be specified: The company received a letter of resignation on April 12, 2024, effective on the same day.

1.Date of institutional investor conference:2024/03/29 2.Time of institutional investor conference:14:30 3.Location of institutional investor conference: Zoom meeting ID:97211756344 (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 fourth 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 March 29, 2024 (Friday).

1.Date of occurrence of the event:2024/03/12 2.Date of the original announcement and reporting:2024/02/23 3.Summary of the content originally announced and reported: Procurement of GPU servers(VFG-SYS-821GE-TNHR-1081) 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.Reason for change and its main content: Reason for change:Because of great changes in prices of servers and increasing demand, the Company plans to re-discuss the authorized amount and quantity based on the latest quotation received. Main content Transaction unit amount：55units Estimated unit price:US$274,393.80(untaxed) Estimated total transaction price:US$15,091,659.00(untaxed) Estimated construction cost:US$3,300,000 5.Effect on the Company's finance and business after the change:None. 6.Any other matters that need to be specified: The Company's Audit Committee and the Board of Directors, in a meeting on March 12, 2024, have authorized the Chairman to handle the transaction with a total untaxed amount under US$16,600,824.90 (Up to 10% of the quote) and construction cost under US$3.3 million. No effect on the Company's finance and business after the change.

1.Date of occurrence of the change:2024/03/12 2.Name of the functional committees:Sustainable 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:Add a new member to the Sustainable Committee. 9.Original term (from __________ to __________):N/A 10.Effective date of the new member:2024/03/12 11.Any other matters that need to be specified:The term of office is from the date of@appointment to the end of the term of current directors.(2024/03/12~2025-06/22)

1.Date of occurrence of the change:2024/03/12 2.Name of the functional committees:Remuneration 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:Add a new member to the Remuneration Committee. 9.Original term (from __________ to __________):N/A 10.Effective date of the new member:2024/03/12 11.Any other matters that need to be specified:The term of office is from the date of@appointment to the end of the term of current directors.(2024/03/12~2025-06/22)

1.Date of submission to the board of directors or approval by the board of directors:2024/03/12 2.Date of approval by the audit committee:2024/03/12 3.Start and end dates of financial reports or annual self-assessed financial information of the reporting period (XXXX/XX/XX~XXXX/XX/XX): 2023/01/01~2023/12/31 4.Operating revenue accumulated from 1/1 to end of the period (thousand NTD):15,276,756 5.Gross profit (loss) from operations accumulated from 1/1 to end of the period (thousand NTD):865,652 6.Net operating income (loss) accumulated from 1/1 to end of the period (thousand NTD):408,845 7.Profit (loss) before tax accumulated from 1/1 to end of the period (thousand NTD):392,308 8.Profit (loss) accumulated from 1/1 to end of the period (thousand NTD):312,807 9.Profit (loss) during the period attributable to owners of parent accumulated from 1/1 to end of the period (thousand NTD):322,385 10.Basic earnings (loss) per share accumulated from 1/1 to end of the period (NTD):1.98 11.Total assets end of the period (thousand NTD):6,756,841 12.Total liabilities end of the period (thousand NTD):4,046,638 13.Equity attributable to owners of parent end of the period (thousand NTD):2,648,819 14.Any other matters that need to be specified:None.

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 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.