Lansail Medical: Announcement of United Credit Rating Co., Ltd. on terminating the credit rating of Lansail Medical Co., Ltd.’s entities and related debts

Entity long-term credit rating report

Lianhe [2026] No. 3334

United Credit Rating Co., Ltd.

Announcement on Terminating the Credit Rating of Lanfan Medical Co., Ltd.’s Entity and Related Debt

Entrusted by Blue Sail Medical Co., Ltd. (hereinafter referred to as the "Company"), Lianhe Credit Rating Co., Ltd. (hereinafter referred to as "Lianhe Rating") conducted a credit rating on the company entity and the public issuance of convertible corporate bonds by Blue Sail Medical Co., Ltd. in 2020 (hereinafter referred to as "Blue Sail Convertible Bonds"). According to the latest rating results, the company's main long-term credit rating is AA-, the "Blue Sail Convertible Bonds" debt credit rating is AA-, the rating outlook is stable, and the rating results are valid for the duration of the "Blue Sail Convertible Bonds" debt.

According to the "Announcement of Blue Sail Medical Co., Ltd. on the Maturity Redemption Results and Equity Changes of Blue Sail Convertible Bonds" disclosed by the company on May 29, 2026, the "Lan Sail Convertible Bonds" were fully redeemed on May 28, 2026, and were delisted from the Shenzhen Stock Exchange and no longer exist. In accordance with relevant laws, regulations, self-regulatory rules and Lianhe Credit Rating’s “Termination Rating System”, Lianhe Credit Rating will terminate the credit rating of the company and the “Blue Sail Convertible Bonds” debt from the date of this announcement, and will no longer update the rating results of the company and the above-mentioned debt.

Announcement hereby

United Credit Rating Co., Ltd.

June 2, 2026