Major Information

1.Date of submission to the board of directors or approval by the board of directors:2025/11/10 2.Date of approval by the audit committee:2025/11/10 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~ 2025/09/30 4.Operating revenue accumulated from 1/1 to end of the period (thousand NTD):16,111,506 5.Gross profit (loss) from operations accumulated from 1/1 to end of the period (thousand NTD):833,488 6.Net operating income (loss) accumulated from 1/1 to end of the period (thousand NTD):372,672 7.Profit (loss) before tax accumulated from 1/1 to end of the period (thousand NTD):93,581 8.Profit (loss) accumulated from 1/1 to end of the period (thousand NTD):57,527 9.Profit (loss) during the period attributable to owners of parent accumulated from 1/1 to end of the period (thousand NTD):92,175 10.Basic earnings (loss) per share accumulated from 1/1 to end of the period (NTD):0.57 11.Total assets end of the period (thousand NTD):11,361,417 12.Total liabilities end of the period (thousand NTD):8,242,614 13.Equity attributable to owners of parent end of the period (thousand NTD):2,841,279 14.Any other matters that need to be specified:None.

GMI Technology, announces OCT 2025 consolidated sales of NT$1.58 billion, a 5.95% decrease over previous month's NT$1.68 billion and a 9.29% increase over previous year's NT$1.45 billion.

1.Date of a notice of the board of directors meeting is issued:2025/10/31 2.Expected date of the board of directors meeting is convened:2025/11/10 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:2025Q3 4.Any other matters that need to be specified:None

1.Date of the board of directors' resolution：2025/10/20 2.Special shareholders meeting date：2025/12/26 3.Special shareholders meeting location：No. 399, Ruiguang Road, Neihu District, Taipei City (East Conference Room, 1F, Liberty Square Building) 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)：Report item(s) (1)：None 6.Cause for convening the meeting (2)：Ratification Item(s) (1)：None 7.Cause for convening the meeting (3)：Discussion Item(s) (1)：After the company sold 127 H200 servers to its US subsidiary, it plans to change the lessee of the 127 H200 servers. 8.Cause for convening the meeting (4)：Election Item (1)：None 9.Cause for convening the meeting (5)：Other Proposal(s) (1)：None 10.Extemporary Motions： 11.Book closure starting date：2025/11/27 12.Book closure ending date：2025/12/26 13.Any other matters that need to be specified：None

GMI Technology, announces AUG 2025 consolidated sales of NT$1.67 billion, a 9.73% decrease over previous month's NT$1.85 billion and a 2.18% increase over previous year's NT$1.634 billion.

1.Date of the board of directors resolution or decision by the Company for record date:2025/09/02 2.Whether to adopt shelf registration (Yes, please state issuance period /No): No 3.Effective registration date approved by competent authority: 2025/09/01 4.Date of the board of directors resolution for (additional) issuance of shares:2025/07/03 5.Total monetary value of the issuance and number of shares issued: (1)Total issue amount: The estimated amount to be raised is NT$800 million. (2)Number of shares to be issued: 20,000,000 new common shares. 6.If adopting shelf registration, monetary value and number of shares to be issued this time: N/A 7.The remaining monetary value and shares after this issuance when adopting shelf registration: N/A 8.Par Value per share: NT$10 9.Issue price: To be announced on the pricing date. 10.Number of shares subscribed for by employees: In accordance with Article 267 of the Company Act, 10% of the new shares (i.e., 2,000,000 shares) will be reserved for subscription by the employees of the Company. 11.Ratio of shares subscribed for by existing shareholders:10% 12.Method for public sale and no.of shares: In accordance with Article 28-1 of the Securities and Exchange Act, 10% of the new shares (i.e., 2,000,000 shares) will be publicly offered. 13.Handling method for…

1.Date of occurrence of the event:2025/08/07 2.Company name:GMI Technology Inc. 3.Relationship to the Company (please enter ”head office” or ”subsidiaries”):Head office 4.Reciprocal shareholding ratios:N/A 5.Cause of occurrence: I. Handled in accordance with the Financial Supervisory Commission's Order No. 1140382105, dated May 5, 2025. II. The Company’s Board of Directors approved the amendment of the ”First Domestic Unsecured Convertible Bond Issuance and Conversion Regulations” on August 7, 2025, and has lawfully carried out creditor notifications. Upon the expiration of the notification period, the Company will submit the revisions for approval in accordance with Article 248, Paragraph 4 of the Company Act to the securities regulatory authority. III. If any of the Company’s creditors have objections to the revised Measures, please submit relevant proof of claims in writing by mail (postmark as proof) to the Company within the period from the date of this announcement until September 8, 2025. This is to ensure proper legal handling. Failure to respond within the deadline will be deemed as no objection. Mailing Address: 2F., No. 57, Xingzhong Road, Neihu Dist., Taipei City 114 6.Countermeasures:None. 7.Any other matters that need to be specified (the information disclosure also meets the requirements of Article 7, subparagraph 9 of…

1.Date of occurrence of the event:2025/08/07 2.Date of the original announcement and reporting:2024/06/17 3.Summary of the content originally announced and reported: (1)On June 17, 2024, the Company’s Board of Directors approved and announced the ”First Domestic Unsecured Convertible Corporate Bond Issuance and Conversion Measures.” (2)The content before the amendment of the Measures is as follows: IX. Conversion Period: Bondholders may request the conversion of this convertible corporate bond into the Company’s common stock at any time through their original brokerage firm, which will notify Taiwan Depository & Clearing Corporation (hereinafter referred to as ”TDCC”), the Company’s stock affairs agent, in accordance with the provisions of these Measures and Articles 10, 11, 13, and 15. This right is exercisable from the day after three months from the bond issuance date (September 26, 2024) until the maturity date (June 25, 2027), except during the following periods when conversion requests are not permitted: (1) during the suspension of transfer of common stock as required by law; (2) from fifteen business days before the suspension date for the Company’s free stock distribution, cash dividend suspension date, or cash capital increase subscription suspension date, until the record date for rights distribution; (3) from the capital…

1.Date of submission to the board of directors or approval by the board of directors:2025/08/07 2.Date of approval by the audit committee:2025/08/07 3.Start and end dates of financial reports or annual self-assessed financial information of the reporting period (XXXX/XX/XX~XXXX/XX/XX): 2025/01/01~2025/06/30 4.Operating revenue accumulated from 1/1 to end of the period (thousand NTD):10,906,093 5.Gross profit (loss) from operations accumulated from 1/1 to end of the period (thousand NTD):586,279 6.Net operating income (loss) accumulated from 1/1 to end of the period (thousand NTD):269,946 7.Profit (loss) before tax accumulated from 1/1 to end of the period (thousand NTD):(94,222) 8.Profit (loss) accumulated from 1/1 to end of the period (thousand NTD):(96,812) 9.Profit (loss) during the period attributable to owners of parent accumulated from 1/1 to end of the period (thousand NTD):(76,621) 10.Basic earnings (loss) per share accumulated from 1/1 to end of the period (NTD):(0.47) 11.Total assets end of the period (thousand NTD):10,336,294 12.Total liabilities end of the period (thousand NTD):7,486,333 13.Equity attributable to owners of parent end of the period (thousand NTD):2,557,980 14.Any other matters that need to be specified:None.

1.Date of a notice of the board of directors meeting is issued:2025/07/30 2.Expected date of the board of directors meeting is convened:2025/08/07 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:2025Q2 4.Any other matters that need to be specified:None

1.Date of the board of directors resolution:2025/07/03 2.Source of capital increase funds:Capital increase through issuance of new shares 3.Whether to adopt shelf registration (Yes, please state issuance period/No): No. 4.Total monetary value of the issuance and number of shares issued (shares issued not including those distributed to employees if consisting in capital increase from earnings or capital surplus): (1) Total issue amount: The estimated amount to be raised is NT$800 million. (2) Number of shares to be issued: 20,000,000 new common shares. 5.If adopting shelf registration, monetary value and number of shares to be issued this time:N/A 6.The remaining monetary value and shares after this issuance when adopting shelf registration:N/A 7.Par value per share:NT$10 8.Issue price:Tentative issue price: NT$40 per share. 9.Number of shares subscribed for by or allocated to employees: In accordance with Article 267 of the Company Act, 10% of the new shares (i.e., 2,000,000 shares) will be reserved for subscription by the employees of the Company. 10.Number of shares publicly sold: In accordance with Article 28-1 of the Securities and Exchange Act, 10% of the new shares (i.e., 2,000,000 shares) will be publicly offered. 11.Ratio of shares subscribed by or allotted as stock dividends to existing shareholders:…

1.Date of the resolution by the board of directors or shareholders meeting or decision by the Company:2025/07/03 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 common stock dividend distribution: The cash dividend distributed to shareholders totaled NT$227,675,637 at NT$1.4 per share. 4.Ex-rights (ex-dividend) trading date:2024/07/30 5.Last date before book closure:2024/07/31 6.Book closure starting date:2025/08/01 7.Book closure ending date:2025/08/05 8.Ex-rights (ex-dividend) record date:2025/08/05 9.Deadline for applying the conversion of the bond:2025/07/09 10.The closure period for the conversion of the bond will start from the date:2025/07/11 11.The closure period for the conversion of the bond will end on the date:2025/08/05 12.Payment date of common stock cash dividend distribution:2025/08/19 13.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): Financial officer, accounting officer, corporate governance officer 2.Date of occurrence of the change:2025/07/03 3.Name, title, and resume of the previous position holder: Financial officer: Jason Lin/ Vice President of G.M.I Technology Inc. Accounting officer: Jason Lin/ Vice President of G.M.I Technology Inc. Corporate governace officer: Jason Lin/ Vice President of G.M.I Technology Inc. 4.Name, title, and resume of the new position holder: Financial officer: Sam Chen/ Senior Assistant Vice President of G.M.I Technology Inc. Accounting officer: Sam Chen/ Senior Assistant Vice President of G.M.I Technology Inc. Corporate governace officer: Sam Chen/ Senior 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”):Retirement 6.Reason for the change:Retirement 7.Effective date:2025/07/03 8.Any other matters that need to be specified:None

1.Date of occurrence of the change:2025/07/03 2.Name of the functional committees:Sustainable Committee 3.Name of the previous position holder: Sen Jan Yen-Hui Ko Wei-Chang Lee 4.Resume of the previous position holder: 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. 5.Name of the new position holder: Sen Jan Yen-Hui Ko Wei-Chang Lee Chung-Chie Chou 6.Resume of the new position holder: 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. 7.Circumstances of change (Please enter “resignation”, “dismissal”, “term expired”, “death” or “new appointment”):Term expired 8.Reason for the change:Term expired , re-appoint 9.Original term (from __________ to __________):2022/11/08~2025/06/22 10.Effective date of the new member:2025/07/03 11.Any other matters that need to be specified: New term from 2025/07/03 to 2028/06/24

1.Date of occurrence of the change:2025/07/03 2.Name of the functional committees:Remuneration Committee 3.Name of the previous position holder: Sen Jan Yen-Hui Ko Wei-Chang Lee 4.Resume of the previous position holder: 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. 5.Name of the new position holder: Sen Jan Yen-Hui Ko Wei-Chang Lee Chung-Chie Chou 6.Resume of the new position holder: 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. 7.Circumstances of change (Please enter “resignation”, “dismissal”, “term expired”, “death” or “new appointment”):Term expired 8.Reason for the change:Term expired , re-appoint 9.Original term (from __________ to __________):2022/06/23~2025/06/22 10.Effective date of the new member:2025/07/03 11.Any other matters that need to be specified: New term from 2025/07/03 to 2028/06/24

1.Date of the board of directors resolution or date of occurrence of the change:2025/07/03 2.Position (Please enter chairperson or president/general manager):Chairperson 3.Name of the previous position holder: Representative of De-Jet Investment Co., Ltd.: Chia-Wen Yeh 4.Resume of the previous position holder: Chairman of GMI Technology Inc. 5.Name of the new position holder: Representative of De-Jet Investment Co., Ltd.: Chia-Wen Yeh 6.Resume of the new position holder: Chairman of GMI Technology Inc. 7.Circumstances of change (Please enter ”resignation”, ”dismissal”, ”term expired” , ”job relocation”, ”severance”, ”retirement”, ”death” or ”new appointment”):Term expired 8.Reason for the change:Term expired and re-election of the Board of Directors. 9.Effective date of the new appointment:2025/07/03 10.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.): 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): Acting spokesperson 2.Date of occurrence of the change:2025/07/03 3.Name, title, and resume of the previous position holder: Kenneth Hsieh/Assistant Vice President of G.M.I Technology Inc. 4.Name, title, and resume of the new position holder: Sam Chen/ Senior 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:2025/07/03 8.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): Chief internal auditor 2.Date of occurrence of the change:2025/07/03 3.Name, title, and resume of the previous position holder: Sam Chen/ Senior Assistant Vice President of G.M.I Technology Inc. 4.Name, title, and resume of the new position holder: Jane Chen/ Manager 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:2025/07/03 8.Any other matters that need to be specified:None