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

About this update from Jiangsu Hhck Advanced Materials Co., Ltd. Class A

Announcement on Listing and Circulation of Restricted Shares in Initial Public Offering The total number of shares to be listed and circulated this time is 28,240,905; the listing and circulation date is April 7, 2026 (postponed to the next trading day because April 4, 2026 is a non-trading day).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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