Nanjing Sample Technology Company Limited announced that Mr. Niu Zhongjie ("Mr. Niu") has tendered his resignation as an independent non-executive Director of the Company ("INED") with effect from 31 May 2024 due to his desire to devote more time on other personal endeavors. Upon his resignation, Mr. Niu ceased to be a member of each of the audit committee (the "Audit Committee") and nomination committee (the "Nomination Committee") of the Company. Mr. Niu has confirmed that he has no disagreement with the Board and there is no matter in relation to his resignation that needs to be brought to the attention of the shareholders of the Company and The Stock Exchange of Hong Kong Limited (the "Stock Exchange").