Self-Inspection Report on Trading of Company Shares by Insiders with Knowledge of Inside Information under the 2026 Restricted Stock Incentive Plan and the 2026 Stock Appreciation Rights Incentive Plan

About this update from Beijing Worldia Diamond Tools Co. Ltd. Class A

Self-Inspection Report on Trading of Company Shares by Insiders with Knowledge of Inside Information under the 2026 Restricted Stock Incentive Plan and the 2026 Stock Appreciation Rights Incentive Plan 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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