Announcement of Beijing Konstar Instrument Technology Co., Ltd. on the Proposed Reappointment of Audit Institution for 2026

Announcement of Proposed Reappointment of Audit Institution for 2026

Special Reminder:

1. The audit opinion for the 2025 annual audit report is a standard unqualified opinion.
2. This appointment does not involve changing the accounting firm.
3. The board of directors, audit committee, and independent directors have no objections to the proposed reappointment of the accounting firm.
4. The proposed reappointment complies with the "Management Measures for the Selection of Accounting Firms by State-owned Enterprises and Listed Companies" issued by the Ministry of Finance, State-owned Assets Supervision and Administration Commission, and the China Securities Regulatory Commission (Cai Kuai [2023] No. 4).

Beijing Konstar Instrument Technology Co., Ltd. (hereinafter referred to as "the Company" or "Konstar") approved the proposal on the reappointment of the audit institution at the 12th meeting of the 6th Board of Directors held on March 30, 2026. The board agreed to reappoint Zhongshun Zhonghuan Certified Public Accountants (Special General Partnership) (hereinafter referred to as "Zhongshun Zhonghuan") as the Company's audit institution for 2026, pending submission to the 2025 annual shareholders' meeting for approval. The specific details are as follows:

I. Basic Information of the Proposed Reappointed Accounting Firm