Announcement on Listing and Circulation of Partial Restricted Shares in Initial Public Offering

About this update from Grinm Semiconductor Materials Co., Ltd. Class A

(688432“GRINM Semiconductor Materials Co., Ltd.”Announcement on Listing and Circulation of Partial Restricted Shares in Initial Public Offering)The total number of shares to be listed and circulated this time is 740,055,400; the listing and circulation date is November 10, 2025.The abstract is for reference only. Please refer to the full text of the announcement on the very day.Link of Full Text for Reference: View Attachment

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