Stock code: 688139 Stock abbreviation: Haier Biotech Announcement No.: 2024-074

Qingdao Haier Biomedical Co., Ltd

Announcement on the retirement of the company's core technical personnel

The board of directors and all directors of the company guarantee that there are no false records, misleading statements or material omissions in the content of this announcement, and assume legal responsibility for the authenticity, accuracy and completeness of its content in accordance with the law.

Important Content Notes:

Mr. Zhang Jiangtao, the core technical staff of Qingdao Haier Biomedical Co., Ltd. (hereinafter referred to as "the company"), recently retired from the company due to his age, and he will not hold any position in the company after his retirement.

The retirement of Mr. Zhang Jiangtao will not have a substantial impact on the company's technology research and development, core competitiveness and ability to continue operations.

First, the specific situation of the retirement and departure of core technical personnel

Mr. Zhang Jiangtao, the core technical staff of the company, recently retired from the company due to his personal age, and will not hold any position in the company after retirement.

Mr. Zhang Jiangtao signed an agreement with the Company on confidentiality and non-competition, and the two parties made a clear agreement on the confidentiality content, non-compete matters, rights and obligations. There is no dispute or potential dispute over the ownership of service invention patents between the two parties, and there is no situation that affects the integrity of the company's patent ownership.

As of the disclosure date of this announcement, Mr. Zhang Jiangtao does not directly hold shares of the company.

Second, the impact of the departure of core technical personnel on the company

Through long-term technology accumulation and development, the company has established a complete R&D system, and the new non-cryogenic storage industry accounted for more than 45% of revenue in the first three quarters of 2024, so there is no significant dependence on specific technical personnel

Condition. As of the end of 2023, the company has 809 R&D personnel, accounting for 30.69% of the total number of employees

The number of R&D personnel is sufficient, and the existing R&D team can support the continuous research and development of the company's core technologies in the future.

Mr. Zhang Jiangtao participated in the research and development of cryogenic technology during his tenure in the company, and the work he is responsible for has been handed over, and the departure of Mr. Zhang Jiangtao will not adversely affect the progress of the company's existing research and development projects.

In summary, the change of core technical personnel will not have a substantial impact on the company's existing project research and development progress, core competitiveness, and ability to continue operations.

Before and after this change, the company's core technical personnel are as follows:

Time The name of the core technical personnel

Before this change, Liu Zhanjie, Chen Haitao, Gong Yi, Zhang Jiangtao, Liu Jiyuan, Teng Peikun

After this change, Liu Zhanjie, Chen Haitao, Gong Yi, Liu Jiyuan, Teng Peikun

Mr. Zhang Jiangtao has been conscientious, diligent and conscientious during his tenure in the company, and has played an active role in the development of the company, and the company and the board of directors of the company would like to express their heartfelt thanks to Mr. Zhang Jiangtao for his contribution to the development of the company!

The announcement is hereby made.

Board of Directors of Qingdao Haier Biomedical Co., Ltd

December 3, 2024

Attached: Resume of Mr. Zhang Jiangtao

Zhang Jiangtao, Chinese nationality, no right of permanent residence abroad, born in December 1959, bachelor degree, high school

Engineer. From May 1990 to November 1991, Mr. Zhang Jiangtao worked as an engineer at Qingdao Haier Freezer Corporation

From December 1991 to July 1999, he served as the director and director of the scientific research institute of Qingdao Haier Refrigeration Equipment Co., Ltd

From August 1999 to July 2002, he served as the quality director and director of the first factory of Qingdao Haier Refrigerator Co., Ltd

From August 2002 to April 2005, he served as a technology development engineer at Haier Institute of Cryogenic Technology.

Since October 2005, he has served as the chief engineer of the company.