[Temporary Announcement] ST Noct: Indicative Announcement on the Delayed Disclosure of the 2025 Annual Report

Announcement number: 2026-014 Securities code: 835877 Securities abbreviation: ST Noct Sponsoring broker: CITIC Construction Investment

Hubei Noct Pharmaceutical Co., Ltd.

Indicative Announcement on the Delayed Disclosure of the 2025 Annual Report

The company and all members of the board of directors guarantee that the contents of the announcement are true, accurate and complete, and that there are no false records, misleading statements or major omissions, and bear individual and joint legal liability for the authenticity, accuracy and completeness of the contents.

Hubei Noct Pharmaceutical Co., Ltd. (hereinafter referred to as the "Company") was originally scheduled to disclose the "2025 Annual Report" and "2025 Annual Report Summary" on the information disclosure platform designated by the National Equities Exchange and Quotations on April 23, 2026. Since the annual report audit work has not yet been completed, in order to ensure the completeness and accuracy of information disclosure, the company carefully decided to apply for an extension of disclosure based on the progress of the work, and specifically postponed the disclosure of the 2025 annual report to April 24, 2026.

The company's board of directors sincerely apologizes for the inconvenience caused to investors by adjusting the disclosure time of the annual report, and asks investors for their understanding.

Announcement hereby!

Board of Directors of Hubei Noct Pharmaceutical Co., Ltd.

April 23, 2026