Major Information

1.Date of occurrence of the change:2025/06/25 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: (1)Institutional director: Representative of De-Jet Investment Co., Ltd.: Chia-Wen Yeh Representative of De-Jet Investment Co., Ltd.: Li-Li Hsu Representative of De-Jet Investment Co., Ltd.: Yen-Hui Liu Representative of De-Jet Investment Co., Ltd.: Kuo-Chang Wang Representative of De-Jet Investment Co., Ltd.: Che-Sheng Shen (2)Independent director Sen Jan Yen-Hui Ko Wei-Chang Lee Chung-Chie Chou 4.Resume of the previous position holder: (1)Institutional director: Representative of De-Jet Investment Co., Ltd.: Chia-Wen Yeh Chairman of GMI Technology Inc. Representative of De-Jet Investment Co., Ltd.: Li-Li Hsu Supervisor of De-Jet Investment Co., Ltd. Representative of De-Jet Investment Co., Ltd.: Yen-Hui Liu President of GMI Technology Inc. Representative of De-Jet Investment Co., Ltd.: Kuo-Chang Wang Director of Unitech Electronics Co.,Ltd. Representative of De-Jet Investment Co., Ltd.: Che-Sheng Shen Vice President of the Investment Unit, De-Jet Investment Co., Ltd. (2)Independent director Sen Jan，Independent director of GMI Technology Inc. Yen-Hui Ko，Independent director of GMI Technology Inc. Wei-Chang Lee，Independent director of GMI Technology Inc. Chung-Chie Chou，Independent director of GMI Technology Inc. 5.Title and name of the new…

1.Date of occurrence of the event:2025/05/09 2.Date of the original announcement and reporting:2024/09/05 3.Summary of the content originally announced and reported: Original announcement of the 2024/09/05 Board resolution regarding the transaction terms for leasing 127 GPU servers to related parties Monthly service fee: US$1,105,674.50 per month (relevant taxes excluded), payable in seven working days from the invoice date. total five-year service fee: US$66,340,470 (paid in 60 installments, excluding relevant taxes) 4.Reason for change and its main content: Due to rapidly changing external economic environment, geopolitical issues, US tariff problems, and various other factors causing unpredictable market fluctuations, since July 2024, GMI COMPUTING has consistently made timely payments, provided collateral and other relevant information, and promptly assisted with the maintenance services for GPUs and data centers. In view of the close collaboration toward the goal of operating an AI computing power center, and based on equal and reasonable rights and obligations between both parties, GMI COMPUTING has proposed negotiating a change in rental transaction terms to Net 90 days. 5.Effect on the Company's finance and business after the change: This is only a minor adjustment to transaction terms and will not have a significant impact on financial reports. 6.Any other matters…

1.Name and nature of the underlying asset (e.g., land located at Sublot XX, Lot XX, North District, Taichung City): H200 servers located in the United States 2.Date of occurrence of the event:2025/05/09 3.Transaction unit amount (e.g.XX square meters, equivalent to XX ping), unit price, and total transaction price: Transaction quantity: 127 units Total transaction amount: NT$1,614,880,000 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): Transaction counterpart:GMI USA Corporation Relationship with the company: 100% owned subsidiary of the Company 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: (1)Reasons for selecting related parties as transaction counterparts: Due to tax considerations (2)Previous transferors: Super Micro Computer, Inc. (111 units) Hewlett Packard Enterprise Company (16 units) (3)Relationship between previous transferors and the company and transaction counterpart: Unrelated parties (4)Previous transfer date: March 2025…

1.Date of submission to the board of directors or approval by the board of directors:2025/05/09 2.Date of approval by the audit committee:2025/05/09 3.Start and end dates of financial reports or annual self-assessed financial information of the reporting period (XXXX/XX/XX~XXXX/XX/XX): 2025/01/01~2025/03/31 4.Operating revenue accumulated from 1/1 to end of the period (thousand NTD):5,707,162 5.Gross profit (loss) from operations accumulated from 1/1 to end of the period (thousand NTD):353,479 6.Net operating income (loss) accumulated from 1/1 to end of the period (thousand NTD):206,461 7.Profit (loss) before tax accumulated from 1/1 to end of the period (thousand NTD):203,432 8.Profit (loss) accumulated from 1/1 to end of the period (thousand NTD):161,011 9.Profit (loss) during the period attributable to owners of parent accumulated from 1/1 to end of the period (thousand NTD):170,677 10.Basic earnings (loss) per share accumulated from 1/1 to end of the period (NTD):1.05 11.Total assets end of the period (thousand NTD):11,655,989 12.Total liabilities end of the period (thousand NTD):8,286,943 13.Equity attributable to owners of parent end of the period (thousand NTD):3,285,835 14.Any other matters that need to be specified:None.

1.Date of the board of directors resolution :2025/05/09 2.Year or quarter which dividends belong to:2024 3.Period which dividends belong to:2024/01/01~2024/12/31 4.Appropriations of earnings in cash dividends to shareholders (NT$ per share):1.4 5.Cash distributed from legal reserve and capital surplus to shareholders (NT$ per share):0 6.Total amount of cash distributed to shareholders (NT$):227,675,637 7.Appropriations of earnings in stock dividends to shareholders (NT$ 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.Par value of common stock:NT$10

1.Date of a notice of the board of directors meeting is issued:2025/04/30 2.Expected date of the board of directors meeting is convened:2025/05/09 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:2025Q1 4.Any other matters that need to be specified:None

1.Type of personnel changed (please enter: spokesperson, acting spokesperson, important personnel (CEO, COO, CMO, CSO, etc.) ,financial officer, accounting officer, corporate governance officer, chief information security officer, research and development officer, chief internal auditor, or designated and non-designated representatives): Spokesperson, Acting Spokesperson 2.Date of occurrence of the change:2025/04/17 3.Name, title, and resume of the previous position holder: Spokesperson:Jason Lin/Finance Division Vice President of G.M.I Technology Inc. Acting Spokesperson:none. 4.Name, title, and resume of the new position holder: Spokesperson:Ko,Deng-Chia/Senior Assistant Vice President of G.M.I Technology Inc. Acting Spokesperson:Hsieh, Chung-Chiu/Assistant Vice President of G.M.I Technology Inc. 5.Type of the change (please enter: ”resignation”, ”position adjustment”, ”retirement”, ”death”,”new replacement” or ”dismissal”):position adjustment 6.Reason for the change:position adjustment 7.Effective date:2025/04/17 8.Any other matters that need to be specified:none.

1.Date of institutional investor conference:2025/03/31 2.Time of institutional investor conference:14:30 3.Location of institutional investor conference: Zoom meeting ID:93351551258 (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 2024, 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 31, 2025 (Monday).

1.Date of occurrence of the event:2025/03/17 2.Company name:G.M.I Technology Inc. 3.Relationship with the Company (please enter ”the company itself” or ”subsidiaries”):the company itself 4.Reciprocal shareholding percentage:N/A 5.Name of the reporting media:Column A02 of Commercial Times (Date：2025/03/16) 6.Content of the report: 「... GMI emphasizes that AI rental economy is coming... 」 「...GMI's revenue growth this year has the potential to reach 10%...」 7.Cause of occurrence:To clarify news reporting 8.Countermeasures:Regarding media reports on our company's revenue growth, these are predictions made independently by the media. For information related to our company's financial and business matters, please refer to the information officially announced on the Public Information Observatory as the standard(MOPS). This clarification is hereby provided. 9.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:2025/03/11 2.Date of approval by the audit committee:2025/03/11 3.Start and end dates of financial reports or annual self-assessed financial information of the reporting period (XXXX/XX/XX~XXXX/XX/XX): 2024/01/01~2024/12/31 4.Operating revenue accumulated from 1/1 to end of the period (thousand NTD):17,709,439 5.Gross profit (loss) from operations accumulated from 1/1 to end of the period (thousand NTD):945,875 6.Net operating income (loss) accumulated from 1/1 to end of the period (thousand NTD):349,313 7.Profit (loss) before tax accumulated from 1/1 to end of the period (thousand NTD):467,607 8.Profit (loss) accumulated from 1/1 to end of the period (thousand NTD):358,135 9.Profit (loss) during the period attributable to owners of parent accumulated from 1/1 to end of the period (thousand NTD):386,378 10.Basic earnings (loss) per share accumulated from 1/1 to end of the period (NTD):2.38 11.Total assets end of the period (thousand NTD):10,390,454 12.Total liabilities end of the period (thousand NTD):7,207,376 13.Equity attributable to owners of parent end of the period (thousand NTD):3,088,063 14.Any other matters that need to be specified:None.

1.Date of occurrence of the event:2025/03/11 2.Company name:Dejie Investment Co., Ltd. 3.Relationship with the Company (please enter ”the company itself” or ”subsidiaries”):the institutional Director of the Company 4.Reciprocal shareholding percentage:N/A 5.Name of the reporting media:N/A 6.Content of the report:N/A 7.Cause of occurrence: The Company discovered that some unscrupulous individuals were impersonating the name of the company's director,Dejie Investment Co., Ltd.,and using messaging software(LINE)to send false investment information to the public. We would like to remind the public not to be gullible and deceived. The Company clarifies that GMI Technology Inc. and its affiliated companies and other subsidiaries have never disseminated any investment information through any communication software, fan pages or various investment software.The Company has taken legal action against the illegal activities of the fraudulent group.When people have concerns about fraud, they should call the anti-fraud consultation hotline to avoid damage to their rights and interests. 8.Countermeasures: To prevent any misunderstandings among the investing public and to avoid falling victim to scams, we are issuing this statement for clarification. 9.Any other matters that need to be specified:None

1.Date of the board of directors' resolution:2025/03/11 2.Shareholders meeting date:2025/06/25 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 2024 Business Report. (2) Audit Committee's 2024 Review Report. (3) Report on the distribution of 2024 director remuneration and employee (4) Report on the Implementation Status of the Company's First Domestic Unsecured Convertible Bonds for FY2024 6.Cause for convening the meeting (2)Acknowledged matters: (1) The Company's 2024 financial statements. (2) The Company's 2024 earnings distribution proposal. 7.Cause for convening the meeting (3)Matters for Discussion: Amendment to the Articles of Incorporation. 8.Cause for convening the meeting (4)Election matters: Election of new directors.。 9.Cause for convening the meeting (5)Other Proposals: Removal of the non-compete clause for the Company's directors. 10.Cause for convening the meeting (6)Extemporary Motions:none. 11.Book closure starting date:2025/04/27 12.Book closure ending date:2025/06/25 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…

1.Date of a notice of the board of directors meeting is issued:2025/03/03 2.Expected date of the board of directors meeting is convened:2025/03/11 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:2024Q4 4.Any other matters that need to be specified:None

1.Date of the special shareholders meeting:2024/12/10 2.Important resolutions: Matters for Discussion: (1)Passed Proposed amendments to certain provisions of the Company's Articles of Incorporation. (2)Passed of the Company's leasing of assets to related parties. 3.Any other matters that need to be specified:None

1.Date of a notice of the board of directors meeting is issued:2024/11/04 2.Expected date of the board of directors meeting is convened:2024/11/12 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:2024Q3 4.Any other matters that need to be specified:None

1.Name and nature of the underlying asset (e.g., land located at Sublot XX, Lot XX, North District, Taichung City):GPU Server 2.Date of occurrence of the event:2024/10/22 3.Transaction unit amount (e.g.XX square meters, equivalent to XX ping), unit price, and total transaction price: Transaction unit amount：179units 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：GMI Computing International Ltd. Relationship with the Company：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: Reasons for selecting the related party as the transaction counterparty: The leasing is in line with the Company’s needs to expand the business scope. The owner in the previous transfer, the date of the previous transfer, and the monetary amount of the previous transfer:N/A 6.Where an owner of the underlying assets within the past five years has been…

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:2024/10/22 3.Transaction unit amount (e.g.XX square meters, equivalent to XX ping), unit price, and total transaction price: Procurement of GPU servers(VFG-SYS-821GE-TNHR-1081) Transaction unit amount：52units(additional item) 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 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…

1.Date of the board of directors' resolution:2024/10/22 2.Special shareholders meeting date:2024/12/10 3.Special 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.Special 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:None. 6.Cause for convening the meeting (2)Acknowledged matters:None. 7.Cause for convening the meeting (3)Matters for Discussion: (1)Proposed amendments to certain provisions of the Company's Articles of Incorporation. (2)Discussion of the Company's leasing of assets to related parties. 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:2024/11/11 12.Book closure ending date:2024/12/10 13.Any other matters that need to be specified:None.

1.Date of occurrence of the event:2024/06/28 2.Date of the original announcement and reporting:2024/09/06 3.Summary of the content originally announced and reported: Resolved by the board of directors on September 5th to lease 127 GPU servers to the related party. (1)52 units Monthly service fee: US$390,037.50 per month (relevant taxes excluded), payable in seven working days from the invoice date. otal five-year service fee: US$23,402,250 (paid in 60 installments, excluding relevant taxes) (2)127 units Monthly service fee: US$1,105,674.50 per month (relevant taxes excluded), payable in seven working days from the invoice date. otal five-year service fee: US$66,340,470 (paid in 60 installments, excluding relevant taxes) 4.Reason for change and its main content: Reason for change: Leased GPU servers to the related party, with 52 units already contracted on 6/28; as such, the date of occurrence has been updated. 5.Effect on the Company's finance and business after the change:None. 6.Any other matters that need to be specified: No effect on the Company's finance and business after the change.