/Announcement on Completion of Industrial and Commercial Registration Change by Controlled Subsidiary
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Announcement on Completion of Industrial and Commercial Registration Change by Controlled Subsidiary

Shanghai Stock Exchange
2026/09/11

Securities code: 603858 Securities abbreviation: Buchang Pharmaceutical Announcement number: 2026-132

Shandong Buchang Pharmaceutical Co., Ltd.

Announcement on the completion of industrial and commercial change registration of controlled subsidiaries

The company's board of directors and all directors guarantee that the contents of this announcement do not contain any false records, misleading statements or major omissions, and assume legal responsibility for the authenticity, accuracy and completeness of its contents.

Shandong Buchang Pharmaceutical Co., Ltd. (hereinafter referred to as the "Company") held the 51st meeting of the fifth board of directors on June 29, 2026, and reviewed and approved the "Proposal on the Change of Residence of its Holding Subsidiary". The company's holding subsidiary Jinan Buchang Chicheng Trading Co., Ltd. plans to change its domicile due to operational and management needs. For details, please refer to the "Announcement on the Change of Residence of its Controlled Subsidiary" (announcement number: 2026-098) disclosed by the company on the website of the Shanghai Stock Exchange (www.sse.com.cn) on June 30, 2026.

Recently, Jinan Buchang Chicheng Trading Co., Ltd. has completed the industrial and commercial change registration procedures and obtained a business license renewed by the Market Supervision Administration of Laiwu High-tech Industrial Development Zone. The relevant information after the change is as follows: Name: Jinan Buchang Chicheng Trading Co., Ltd.

Unified social credit code: 91370100MAEB81TR4Y

Type: Other limited liability company

Legal representative: Yang Hongjun

Registered capital: 1 million yuan

Date of establishment: February 14, 2025

Residence: Room 17, Floor 5, Building A, No. 2, Wenhe Avenue, Pengquan Street, Laiwu High-tech Zone, Jinan City, Shandong Province

Business scope: General items: wholesale of daily necessities; wholesale of protective equipment for medical staff; wholesale of medical masks; maternal and child life care (excluding medical services); sales of health food (prepackaged); sales of daily chemical products; sales of food detergents; sales of disinfectants (excluding hazardous chemicals); sales of personal hygiene products; sanitary products and a 次性使用医疗用品销售;化妆品批发;化妆品零售;第一类医疗器械销售;第二类医疗器械销售;技术服务、技术开发、技术咨询、技术交流、技术转让、技术推广;会议及展览服务;组织文化艺术交流活动;互联网销售(除销售需要许可的商品)。 (Except for projects that require approval according to law, business activities can be carried out independently with a business license and in accordance with the law)

Announcement is hereby made.

Board of Directors of Shandong Buchang Pharmaceutical Co., Ltd.

September 11, 2026