Notification of the BOD Meeting No. 8/2026 re: Resignation and Appointment of Directors, CFO Appointment, Headquarter Location, Capital Increase, Issuance of XBIO-W9 to Existing Shareholders, Determination of the Date and Agenda of EGM No. 2/2026

Schedule of Shareholders' meeting Subject : Schedule of Extra-General Meeting of Shareholders Date of Board resolution : 29-May-2026 Shareholder's meeting date : 03-Jul-2026 Beginning time of meeting (hh:mm) : 13 : 00 Record date for the right to attend the : 12-Jun-2026 meeting Ex-meeting date : 11-Jun-2026 Significant agenda item : - Capital increase - The issuance of convertible securities Type of meeting : Electronic meeting Venue of the meeting : Electronic meeting Agenda Item : 1 Agenda Detail : To consider and approve the minutes of the Annual General Meeting of Shareholders 2026 Type : To Consider and approve Board's Resolution : Considered appropriate for approval. Agenda Item : 2 Agenda Detail : To consider and approve the relocation of the Company's head office and the amendment to Clause 5 of the Company's Memorandum of Association to be in line with the relocation of the Company's head office Type : To Consider and approve Board's Resolution : Considered appropriate for approval. Agenda Item : 3 Agenda Detail : Consider and approve the issuance and allocation of Warrants to purchase ordinary shares of the Company No. 9 (XBIO-W9) to existing shareholders of the Company in proportion to their shareholding (Right Offering) Type : To Consider and approve Board's Resolution : Considered appropriate for approval. Agenda Item : 4 Agenda Detail : Consider and approve the increase of the Company's registered capital and the amendment of Clause 4 under the Company's Memorandum of Association to be in the line with the increase of the Company's registered capital Type : To Consider and approve Board's Resolution : Considered appropriate for approval. Agenda Item : 5 Agenda Detail : Consider and approve the allocation of newly issued ordinary shares to accommodate the exercise of Warrants to purchase ordinary shares of the Company No.9 (XBIO-W9) and to accommodate the adjustment of rights of warrants to purchase ordinary shares of the Company No. 6 (XBIO-W6), No. 7 (XBIO-W7), and No. 8 (XBIO-W8) Type : To Consider and approve Board's Resolution : Considered appropriate for approval. ______________________________________________________________________ Issued Convertible Securities Subject : Issued convertible securities Date of Board resolution : 29-May-2026 Type of allocated securities : Warrants Allocate to : All common shares' shareholders Number of allotted warrants (units) : 3,965,061,196 Reserved shares for the exercise of : Common shares warrants Number of additional shares (shares) : 3,965,061,196 Ratio (Existing shares : Warrant) : 3.06 : 1.00 Record date for the right to receive warrants : 12-Jun-2026 Ex-rights date : 11-Jun-2026 Offering price (baht per unit) : 0.00 Offering date : From 12-Jun-2026 to 12-Jun-2026 Description of warrants Warrant Symbol : XBIO-W9 Name of warrant : Warrants to Purchase Ordinary shares of X Bioscience Public Company Limited No. 9 (XBIO-W9) Exercise ratio (warrant : share) : 1.00 : 1.00 Exercise price (baht per share) : 0.05 Term of warrants : Not exceed 2 years from the date of issuing date of Warrants. ______________________________________________________________________ Increasing Capital Subject : Specifying the purpose of utilizing proceeds Date of Board resolution : 29-May-2026 Number of additional common shares : 4,167,165,070 (shares) Total of additional shares (shares) : 4,167,165,070 Par value (baht per share) : 7.00 Type of allocated securities : Common shares Allocated to : Reserved shares for the right adjustment of convertible securities Number of allotted shares (shares) : 202,103,874 Allocated to : Reserved shares for the exercise of convertible securities Number of allotted shares (shares) : 3,965,061,196 Remark : The allocation of newly issued ordinary shares to accommodate the exercise of Warrants to purchase ordinary shares of the Company No.9 (XBIO-W9) and to accommodate the adjustment of rights of warrants to purchase ordinary shares of the Company No. 6 (XBIO-W6), No. 7 (XBIO-W7), and No. 8 (XBIO-W8) ______________________________________________________________________ This announcement was prepared and disseminated by listed company or issuer through the electronic system which is provided for the purpose of dissemination of the information and related documents of listed company or issuer to the Stock Exchange of Thailand only. The Stock Exchange of Thailand has no responsibility for the correctness and completeness of any statements, figures, reports or opinions contained in this announcement, and has no liability for any losses and damages in any cases. In case you have any inquiries or clarification regarding this announcement, please directly contact listed company or issuer who made this announcement. If you would like to see the full details of this information, please click view "full details" in attached file.