北京天坛生物制品股份有限公司关于审计机构变更项目质量复核人的公告

Core Viewpoint - The company has announced a change in the project quality reviewer for its 2025 financial report audit, with Huang Jiacai replacing Wei Jun due to work arrangement adjustments [2][4]. Group 1: Announcement of Change - The company received a letter from Tianjian Accounting Firm regarding the change of the project quality reviewer [2]. - Wei Jun was originally appointed as the project quality reviewer for the 2025 financial report audit, but he has been replaced by Huang Jiacai [2]. Group 2: New Project Quality Reviewer's Background - Huang Jiacai has been a certified public accountant since July 2005 and has been practicing at Tianjian Accounting Firm since then [3]. - Huang Jiacai has not violated any independence requirements or faced any criminal or administrative penalties in the last three years [3]. Group 3: Impact of the Change - The transition of responsibilities during this change has been orderly, and it will not adversely affect the company's 2025 financial report audit and internal control audit [4].