Statement and Commitment of Independent Director Candidate (Chen Yunjin)

Rongchang Biopharmaceutical (Yantai) Co., Ltd.

Statement and Commitment of Independent Director Candidates

I, Chen Yunjin, have fully understood and agreed to be nominated by the nominator, the Board of Directors of Rongchang Biopharmaceutical (Yantai) Co., Ltd., as an independent director candidate for the third session of the Board of Directors of Rongchang Biopharmaceutical (Yantai) Co., Ltd. I publicly declare that I have the qualifications to serve as an independent director and guarantee that there is no relationship that would affect my independence as an independent director of Rongchang Biopharmaceutical (Yantai) Co., Ltd. My specific statement and commitment are as follows:

1. I have basic knowledge of the operation of listed companies, am familiar with relevant laws, administrative regulations, departmental rules and other normative documents, and have more than five years of work experience in law, economic accounting, finance, management, etc. necessary to perform the duties of an independent director.

2. My qualifications meet the requirements of the following laws, administrative regulations, departmental rules and company rules:

(1) The "Company Law of the People's Republic of China" and other provisions on director qualifications;

(2) The provisions of the Civil Servant Law of the People's Republic of China regarding civil servants holding concurrent positions;

(3) Relevant provisions on the qualifications and conditions for independent directors in accordance with the China Securities Regulatory Commission's "Administrative Measures for Independent Directors of Listed Companies" and the Shanghai Stock Exchange's self-regulatory rules;

(4) The regulations of the Central Commission for Discipline Inspection of the Communist Party of China and the Organization Department of the Central Committee of the Communist Party of China on "Notice on Regulating Central Management Cadres to Resign from Public Office or Serve as Independent Directors and Independent Supervisors of Listed Companies and Fund Management Companies after Retirement";

(5) Relevant regulations of the Organization Department of the Central Committee of the Communist Party of China on "Opinions on Further Regulating Part-time Work (Office) of Party and Government Leading Cadres in Enterprises";

(6) Relevant provisions of the "Opinions on Strengthening Anti-corruption and Integrity Construction in Colleges and Universities" issued by the Central Commission for Discipline Inspection of the Communist Party of China, the Ministry of Education, and the Ministry of Supervision;

(7) Relevant regulations such as the People's Bank of China's "Guidelines on the Independent Director and External Supervisor System of Joint-stock Commercial Banks";

(8) Relevant provisions of the China Securities Regulatory Commission's "Measures for the Supervision and Administration of Directors, Supervisors, Senior Managers and Practitioners of Securities Fund Business Institutions";

(9) Relevant regulations such as the "Measures for the Administration of Qualifications of Directors (Councillors) and Senior Managers of Banking Financial Institutions", "Regulations for the Administration of the Qualifications of Directors, Supervisors and Senior Managers of Insurance Companies", "Measures for the Administration of Independent Directors of Insurance Institutions";

(10) Other laws, regulations, departmental rules, normative documents and situations stipulated by the Shanghai Stock Exchange.

3. I am independent and do not fall into the following situations:

(1) Personnel working in listed companies or their affiliated enterprises and their immediate family members and major social relations (immediate relatives refer to spouses, parents, children, etc.; major social relations refer to brothers and sisters, spouses of brothers and sisters, parents of spouses, brothers and sisters of spouses, spouses of children, parents of children’s spouses, etc.);

(2) Directly or indirectly hold more than 1% of the issued shares of a listed company or are natural person shareholders and their immediate family members among the top ten shareholders of a listed company;

(3) Personnel who hold positions in shareholder units that directly or indirectly hold more than 5% of the issued shares of the listed company or the top five shareholder units of the listed company and their immediate family members;

(4) Personnel working in affiliated enterprises of the listed company’s controlling shareholder or actual controller and their immediate family members;

(5) Persons who have significant business dealings with listed companies, their controlling shareholders, actual controllers, or their respective subsidiaries, or persons who serve in units that have significant business dealings, their controlling shareholders, or actual controllers;

(6) Personnel who provide financial, legal, consulting, sponsorship and other services to listed companies, their controlling shareholders, actual controllers or their respective affiliated enterprises, including but not limited to all members of the project team of the intermediary agency providing services, reviewers at all levels, persons who signed the report, partners, directors, senior managers and principal persons in charge;

(7) Persons who have had one of the situations listed in the first six items in the past 12 months;

(8) Other circumstances in which the Shanghai Stock Exchange determines that it is not independent.

4. I do not have the following bad records:

(1) Subject to administrative penalties from the China Securities Regulatory Commission or criminal penalties from judicial authorities within the last 36 months;

(2) Being investigated by the China Securities Regulatory Commission or judicial authorities for suspected securities and futures crimes, but no clear conclusion has been reached;

(3) Has been publicly condemned by the stock exchange or criticized three times or more in the past 36 months;

(4) There are bad records such as major breach of trust;

(5) Other circumstances determined by the Shanghai Stock Exchange.

5. I am not a person who was dismissed from his position by the board of directors as proposed by the board of directors for convening a shareholders' meeting because he failed to attend in person or entrust other directors to attend board meetings twice in a row during his previous term as an independent director.

6. Including Rongchang Biopharmaceutical (Yantai) Co., Ltd., the number of domestic listed companies in which I serve as an independent director does not exceed three; I have not served in Rongchang Biopharmaceutical (Yantai) Co., Ltd. for more than six consecutive years.

7. I have participated in training and obtained relevant training certification materials recognized by the stock exchange.

8. I have no circumstances that would affect the integrity of independent directors or otherwise affect my qualifications.

I have passed the qualification review of the Nomination Committee of the second board of directors of Rongchang Biopharmaceutical (Yantai) Co., Ltd., and I have no interest relationship with the nominee or other relationships that may hinder the independent performance of my duties.

I have verified my qualifications as an independent director candidate in accordance with the Shanghai Stock Exchange's "Shanghai Stock Exchange Self-Regulatory Guidelines for Companies Listed on the Science and Technology Innovation Board No. 1 - Standardized Operations" and confirmed that I meet the requirements.

I am fully aware of the responsibilities of an independent director and guarantee that the above statement is true, complete and accurate and does not contain any false statements or misleading elements. I fully understand the possible consequences of making false statements. The Shanghai Stock Exchange can confirm my qualifications and independence based on this statement.

I promise: While serving as an independent director of Rongchang Biopharmaceutical (Yantai) Co., Ltd., I will abide by laws and regulations, the rules, regulations, notices issued by the China Securities Regulatory Commission and the requirements of the Shanghai Stock Exchange's business rules, accept the supervision of the Shanghai Stock Exchange, ensure that I have sufficient time and energy to perform my duties, make independent judgments, and will not be influenced by the company, its major shareholders, actual controllers and other units or individuals.

I promise: If I am not qualified as an independent director after taking office, I will resign as an independent director in accordance with relevant regulations.

Hereby declare.

Declarant: Chen Yunjin

May 8, 2026