Weigao Blood Purification: Intends to purchase 100% equity of Shandong Weigao Purui Pharmaceutical Packaging Co., Ltd.

Announcement of Weighi Blood Purification: The company plans to issue shares to purchase 100% equity of Shandong Weighi Group Medical Polymer Products Co., Ltd., Weihai Shengxi Enterprise Management Consulting Center, and Weihai Ruiming Enterprise Management Consulting Partnership Enterprise held by Shandong Weighi Prui Pharmaceutical Packaging Co., Ltd. This transaction constitutes a related party transaction and a major asset restructuring as stipulated in the "Reorganization Measures," but does not constitute a restructuring for listing. As of the date of signing the pre-disclosure summary, the audit and evaluation of the target assets have not been completed, and the relevant financial data and transaction prices have not been determined. This transaction still requires further approval from the company's board of directors, shareholders' meeting, approval by the Shanghai Stock Exchange, and registration approval by the China Securities Regulatory Commission.