Announcement on Company Providing Guarantees for Subsidiaries' Joint Application for Credit Facility from Bank of China Total 9 pages Stock Code: 000931 Stock Abbreviation: Zhongguancun Announcement No.: 2026-047 Beijing Zhongguancun Science & Technology Development (Holding) Co., Ltd. Announcement on Company Providing Guarantees for Subsidiaries' Joint Application for RMB 29 Million Credit Facility The Company and the entire Board of Directors guarantee the content of this information disclosure is true, accurate, and complete, and that there are no false records, misleading statements, or major omissions. Beijing Zhongguancun Science & Technology Development (Holding) Co., Ltd. (hereinafter referred to as the "Company") held the third extraordinary meeting of the ninth Board of Directors in 2026 on June 22, 2026. The meeting deliberated and approved the "Proposal on the Company Providing Guarantees for Subsidiaries' Joint Application for RMB 29 Million Credit Facility from Bank of China," and the specific situation is as follows: I. Overview of Guarantee Situation To supplement the working capital of the enterprises, the Company's wholly-owned subsidiary Beijing Jiujiu Taihe Traditional Chinese Medicine Hospital Co., Ltd. (hereinafter referred to as "Beijing Jiujiu Taihe"), its holding subsidiary Beijing Zhongshi Tongda Commercial Concrete Transportation Co., Ltd. (hereinafter referred to as "Zhongshi Tongda"), its wholly-owned subsidiary Beijing Purundefang Technology Development Co., Ltd. (hereinafter referred to as "Purundefang"), and its wholly-owned subsidiary Beijing Wodakang Medical Device Co., Ltd. (hereinafter referred to as "Wodakang") (collectively referred to as the "Guaranteed Parties") will separately apply for credit facilities from the Haidian Branch of Bank of China Co., Ltd. The term of the credit facilities will not exceed 1 year, and the credit facility amounts are as follows: Unit: RMB 10,000 Serial Number Guaranteed Party Credit Facility Amount 1 Beijing Jiujiu Taihe Traditional Chinese Medicine Hospital Co., Ltd. 1,000 2 Beijing Zhongshi Tongda Commercial Concrete Transportation Co., Ltd. 700 3 Beijing Purundefang Technology Development Co., Ltd. 700 4 Beijing Wodakang Medical Device Co., Ltd. 500 Total 2,900 To ensure the smooth application for the credit facilities, the Company will provide joint liability guarantees for the aforementioned credit facilities. The Company will also provide mortgage guarantees for its commercial properties located at Floors 3, Units 301, 302, 303, 310, and 311, Building 9, Courtyard 6, Zuojiazhuang Middle Street, Chaoyang District, Beijing. Beijing Shoujia Real Estate Land Asset Appraisal Co., Ltd. appraised the aforementioned mortgaged assets and issued appraisal reports with serial numbers Beijing Shoujia (2026) Appraisal No. FC20260102282, FC20260102311, FC20260102312, FC20260102313, and FC20260102314. The total appraised mortgage value of the assets as of December 16, 2025, was RMB 55.75 million. Zhongshi Tongda has issued a written "Counter-guarantee Letter." According to the "Company Articles of Association," "External guarantees and other special matters shall be approved by more than 2/3 of the directors present at the Board meeting." As the total amount of external guarantees approved by the Company and its holding subsidiaries has exceeded 50% of the net assets audited in the most recent period, and the asset-liability ratio of some of the guaranteed parties exceeds 70%, in accordance with the "Shenzhen Stock Exchange Stock Listing Rules" and the relevant provisions of the "Company Articles of Association," these four guarantee matters, after being deliberated and approved by the Board of Directors, still need to be submitted for approval by the Company's shareholders' meeting. Relevant agreements have not yet been signed. II. Basic Information of Guaranteed Parties
- Beijing Jiujiu Taihe Traditional Chinese Medicine Hospital Co., Ltd. (1) Basic Information Name Beijing Jiujiu Taihe Traditional Chinese Medicine Hospital Co., Ltd. Company Type Limited Liability Company (Wholly Owned by Legal Person) Registered Address Floors 1-5, Unit 3, Building 188, Jushan Road, Haidian District, Beijing Registered Capital RMB 10 million Legal Representative Hou Jianjun Unified Social Credit Code 91110108MA01HNGR6N Date of Establishment March 13, 2019 Business Scope Medical services in Traditional Chinese Medicine. (Market entities shall independently choose busine