尊敬的客户： 

   因宁科生物（600165）被实施其他风险警示，根据《长城证券股份有限公司融资融券业务担保物管理办法》的相关规定，我司自2024年4月8日起将ST宁科（600165）调出我司担保证券范围。

特此公告。                                                                                                                                                

                                                                                                                                                     长城证券股份有限公司 

                                                                                                                                                       二0二四年四月八日