Explanation Regarding Change of Signing Certified Public Accountants for Major Asset Restructuring Project

Lideman Co., Ltd.·June 12, 2026·3 pages

✨ AI Summary

Beijing Lederman Biochemical Co., Ltd. announces a change in the signing certified public accountants for its major asset restructuring project. The firm Rongcheng CPA will replace its original signing accountants due to internal project arrangements. The new signing accountants have been vetted and their appointment is not expected to adversely affect the transaction.

Summary generated by AI · Always verify with source document

Full Translation

AI Translation· gemini_document

Securities Code: 300289

Stock Abbreviation: Lederman

Announcement Number: 2026-038

Beijing Lederman Biochemical Co., Ltd.

Explanation Regarding Change of Signing Certified Public Accountants for Major Asset Restructuring Project

The Company and the entire Board of Directors guarantee that the information disclosed is true, accurate, and complete, and contains no false records, misleading statements, or significant omissions.

Beijing Lederman Biochemical Co., Ltd. (hereinafter referred to as the "Company" or "Listed Company") intends to acquire 235,040,700 shares of Beijing Sienpharm Biological Products Co., Ltd. (hereinafter referred to as "Sienpharm"), representing 61.50% of Sienpharm's issued shares, by paying cash to Hainan Baimai Investment Co., Ltd., Hainan Sienpharm Baijia Hui Technology Development Co., Ltd., and Nanjing Baijiarui Enterprise Management Consulting Partnership (Limited Partnership) (hereinafter referred to as the "Transaction").

I. Situation Regarding Change of Signing Certified Public Accountants

Free accounts get 10 full releases per month. Pro subscribers get unlimited access.