Stock code: 688563 Stock abbreviation: Aviation Materials Co., Ltd. Announcement No.: 2024-048

Beijing Institute of Aeronautical Materials Co., Ltd

Completion of the general election of the Board of Directors and the Board of Supervisors and the appointment of senior management

Announcements of personnel

The board of directors and all directors of the company guarantee that there is no false record, misleading statement or material omission in the content of this announcement, and assume legal responsibility for the authenticity, accuracy and completeness of its content.

Beijing Institute of Aeronautical Materials Co., Ltd. (hereinafter referred to as the "Company") held the second extraordinary general meeting of shareholders in 2024 on December 27, 2024, and elected the non-independent directors of the second board of directors, independent directors and non-employee representative supervisors of the second board of supervisors, and the two employee representative supervisors elected by the company's recently held employee representative congress to form the second board of directors and the board of supervisors of the company, with a term of office of three years from the date of deliberation and approval of the company's second extraordinary general meeting of shareholders in 2024; On the same day, the company held the first meeting of the second board of directors and the first meeting of the second board of supervisors, elected the chairman, vice chairman, members and chairmen of the special committees of the board of directors, and the chairman of the board of supervisors, and appointed a new senior manager. The specific situation is hereby announced as follows:

1. General election of the board of directors

(1) The general election of directors

On December 27, 2024, the Company held the second extraordinary general meeting of shareholders in 2024 to elect Mr. Yang Hui, Mr. Qian Xichang, Mr. Tang Bin, Mr. Liu Xiaoguang, Mr. Tang Zhizhi and Ms. Liu Ying as non-independent directors of the second board of directors of the Company through the cumulative voting system, and Mr. Huang Jin, Mr. Ye Zhongming and Mr. Yu Hao as independent directors of the second board of directors of the Company. The 6 non-independent directors and 3 independent directors elected at the general meeting of shareholders will jointly form the second board of directors of the company for a term of three years, and the term of office will be from the date of deliberation and approval of the second extraordinary general meeting of shareholders of the company in 2024 to the expiration of the term of the second board of directors.

(2) The election of the chairman and vice chairman

On December 27, 2024, the company held the first meeting of the second board of directors, and deliberated and passed the "Proposal on the Election of the Chairman of the Second Board of Directors of the Company" and "Proposal on the Election of the Vice Chairman of the Second Board of Directors of the Company", and all directors unanimously agreed to elect Mr. Yang Hui as the chairman of the second board of directors of the company, and Mr. Qian Xichang as the vice chairman of the second board of directors of the company.

(3) The election of members and chairmen of special committees of the board of directors

On December 27, 2024, the company held the first meeting of the second board of directors, and deliberated and passed the "Proposal on the Election of Members and Chairman of the Special Committees of the Second Board of Directors of the Company", and the personnel of each special committee are as follows:

1. Strategy and Sustainable Development Committee: Director Yang Hui (Chairman), Director Qian Xichang, Director Tang Bin, Director Liu Xiaoguang, Director Tang Zhizhi, and Independent Director Yu Hao

2. Nomination Committee: Independent Director Huang Jin (Chairman), Independent Director Yu Hao, and Director Tang Zhizhi

3. Audit Committee: Independent Director Ye Zhongming (Chairman), Independent Director Huang Jin, and Director Tang Bin

4. Remuneration and Appraisal Committee: Independent Director Ye Zhongming (Chairman), Independent Director Yu Hao, and Director Tang Zhihui

Among them, more than half of the independent directors of the nomination committee, the remuneration and appraisal committee and the audit committee serve as the convener, and the members of the audit committee are all directors who do not serve as senior management of the company, and the convener, Mr. Ye Zhongming, is an accounting professional. The term of office of the above-mentioned members is three years, and the term of office is the same as that of the current Board of Directors.

The biographies of the above directors are detailed in the attachment to this announcement.

2. The general election of the board of supervisors

(1) The election of supervisors

On December 27, 2024, the Company held the second extraordinary general meeting of shareholders in 2024 to elect Mr. Wu Wensheng, Mr. Li Xingwu and Ms. Zhang Xiao as the non-employee representative supervisors of the second board of supervisors of the company through the cumulative voting system, and together with the two employee representative supervisors Mr. Li Peihuan and Mr. Jiang Liangbao elected by the company's recently held employee representative congress, to form the second board of supervisors of the company for a term of three years. The term of office shall be from the date of deliberation and approval of the second extraordinary general meeting of shareholders of the company in 2024 to the expiration of the term of the second board of supervisors.

(2) The election of the chairman of the board of supervisors

On December 27, 2024, the company held the first meeting of the second board of supervisors to deliberate and pass the "Proposal on the Election of the Chairman of the Second Board of Supervisors of the Company", and all supervisors unanimously agreed to elect Mr. Wu Wensheng as the chairman of the second board of supervisors of the company for a term of three years, and the term of office is the same as that of the current board of supervisors.

The resumes of the above-mentioned supervisors are detailed in the annex to this announcement.

3. Appointment of senior management personnel

On December 27, 2024, the company held the first meeting of the second session of the board of directors, which deliberated and passed the "Proposal on the Appointment of the General Manager of the Company", "Proposal on the Appointment of the Executive Deputy General Manager of the Company", "Proposal on the Appointment of the Deputy General Manager of the Company", "Proposal on the Appointment of the Chief Financial Officer of the Company" and "Proposal on the Appointment of the Secretary of the Board of Directors of the Company", and the board of directors agreed to appoint Mr. Yan Yue as the general manager of the company; Agreed to appoint Mr. Liu Qiguang as the company's president

Deputy General Manager; Agreed to appoint Mr. Liu Gang, Mr. Zhang Aibin, Mr. Meng Yu, Mr. Ma Xingjie and Mr. Ji Shoudong as the deputy general managers of the Company; Approved the appointment of Mr. Ma Xingjie as the Chief Financial Officer of the Company; Approved the appointment of Mr. Ma Xingjie as the secretary of the board of directors of the company. The term of office of the senior management is three years, the same term as the current term of the Board of Directors. The resumes of the above-mentioned senior management personnel are attached to this announcement.

4. Expiration and resignation

After the completion of the general election of the board of supervisors of the company, Ms. Anna, the supervisor of the first board of supervisors of the company, will no longer serve as the supervisor of the company. Ms. Anna has been diligent and active in performing her duties during her tenure in the company, and the company would like to express its heartfelt gratitude for her contribution to the development of the company during her tenure.

5. Contact information of the secretary of the board of directors

Contact: Ma Xingjie

Address: No. 5, Yongxiang North Road, Haidian District, Beijing

Contact number: 010-62497517

E-mail: info@baimtec.com

The announcement is hereby made.

Board of Directors of Beijing Institute of Aeronautical Materials Co., Ltd

December 30, 2024

annex

Biographies of directors

1. Biography of Mr. Yang Hui

Mr. Yang Hui, born in 1968, Chinese nationality, no right of permanent residence abroad, doctoral degree, researcher. He has successively served as Deputy Director of the 11th Office of the Flight Control Department of AVIC Xi'an Flight Automatic Control Research Institute, Deputy Director of the Flight Control Department of AVIC Xi'an Flight Automatic Control Research Institute, Deputy Director, Director and Deputy Secretary of the Party Committee of AECC Aviation Power Control System Research Institute. He is currently the president and deputy secretary of the Party Committee of AECC Beijing Institute of Aeronautical Materials, and the chairman of the company.

Mr. Yang Hui does not hold any shares of the Company, has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

2. Curriculum vitae of Mr. Qian Xichang

Mr. Qian Xichang, born in 1965, Chinese nationality, no right of permanent residence abroad, master's degree, researcher. He has successively served as Deputy Director of the First Research Office and Secretary of the Party Branch of AECC Beijing Institute of Aeronautical Materials, Secretary of the Party Branch, Deputy Director and Director of the Development Department, Director of the Product Development Department, Secretary of the Party Branch, Assistant to the President, Deputy Secretary of the Party Committee and Vice President and Vice President of AECC Beijing Institute of Aeronautical Materials, and Deputy Director of the Asset Management Department of Aero Engine Corporation of China. He is currently the vice chairman of the company.

Mr. Qian Xichang indirectly holds 276,672 shares of the Company through Gongqingcheng Aviation Materials No. 2 Investment Partnership (Limited Partnership). Mr. Qian Xichang has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

3. Biography of Mr. Tang Bin

Mr. Tang Bin, born in 1968, Chinese nationality, no right of permanent residence abroad, master's degree, researcher. He has successively served as Deputy Director of the Institute and Director of the Archives Center of AECC Beijing Institute of Aeronautical Materials, Deputy Director of the General Management Department and Secretary of the Party Branch, Director of the General Management Department and Deputy Chief Engineer. He is currently the vice president of AECC Beijing Institute of Aeronautical Materials, the chairman of Hexing Aviation Materials (Tianjin) Technology Co., Ltd., the chairman of AVIC Armored Technology Co., Ltd., and the director of the company.

Mr. Tang Bin does not hold any shares of the Company, has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

4. Curriculum vitae of Mr. Liu Xiaoguang

Mr. Liu Xiaoguang, born in 1976, Chinese nationality, no right of permanent residence abroad, doctoral degree, researcher. He has successively served as Deputy Director of the Product Development Department of AECC Beijing Institute of Aeronautical Materials, Secretary of the Party Branch and Deputy Director of the First Research Institute of AECC Beijing Institute of Aeronautical Materials, Vice President and Secretary of the Party Branch of the First Research Institute of AECC Beijing Institute of Aeronautical Materials, General Manager and Deputy Secretary of the Party Committee of Guiyang Hangfa Precision Casting Co., Ltd. He is currently the vice president of AECC Beijing Institute of Aeronautical Materials, the chairman and secretary of the Party Committee of Guiyang AECC Precision Casting Co., Ltd., and the director of the company.

Mr. Liu Xiaoguang does not hold any shares of the Company, has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

5. Resume of Mr. Tang Zhizhi

Mr. Tang Zhizhi, born in 1974, Chinese nationality, no right of permanent residence abroad, doctoral degree, researcher. He has successively served as Deputy Director of the Fifth Research Office, Secretary of the Party Branch, Director of the Fifth Research Institute of AECC Aviation Materials Institute, and Director of the Fifth Research Institute. He is currently the vice president of AECC Beijing Institute of Aeronautical Materials, a director of AVIC Bermuda New Material Technology Engineering Co., Ltd., a director of AVIC Armor Technology Co., Ltd., and a director of Hexing Aviation Materials (Tianjin) Technology Co., Ltd.

Mr. Tang Zhizhi does not hold any shares of the Company, has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

6. Curriculum vitae of Ms. Liu Ying

Ms. Liu Ying, born in 1978, Chinese nationality, no right of permanent residence abroad, master's degree, senior auditor. He has successively served as the Deputy Director of the Foreign Investment Division of the Office of the Commissioner of the National Audit Office in Changsha, the Special Business Manager of the Risk Management Department of AVIC Finance Co., Ltd., the Deputy Director of the Discipline Inspection and Audit Department of AVIC Capital Holding Co., Ltd., and the Director of the Risk and Compliance Department of AECC Asset Management Co., Ltd. Incumbent China

Member of the Party Committee and Deputy General Manager of Hangfa Asset Management Co., Ltd., Chairman of Hangfa Fund Management Co., Ltd., Director of AECC Group Finance Co., Ltd., Director of Qingdao Yunlu Advanced Materials Technology Co., Ltd., and Director of the Company.

Ms. Liu Ying does not hold any shares of the Company, has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and her qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

7. Biography of Mr. Huang Jin

Mr. Huang Jin, born in 1958, Chinese nationality, no right of permanent residence abroad, doctoral candidate, professor. He has successively served as Director of the Institute of International Law, Vice Dean of the School of Law, Assistant to the President and Director of the Department of Academic Affairs, Director and Vice President of the Institute of Higher Education, and President, Professor and Professor of China University of Political Science and Law. He is currently a senior professor of Wuhan University, an independent director of Giant Bio Holdings Co., Ltd. and Cinda Securities Co., Ltd., and an independent director of the company.

Mr. Huang Jin does not hold any shares of the Company, has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

8. Curriculum vitae of Mr. Ye Zhongming

Mr. Ye Zhongming, born in 1968, Chinese nationality, no right of permanent residence abroad, master's degree candidate, professor. He has successively served as Deputy Director of the Accounting Department, Director of the Scientific Research Division, Director of the Graduate Division, Director of the Discipline Office of Zhengzhou Institute of Aeronautical Industry Management, and an independent director of Zhengzhou Antu Bioengineering Co., Ltd. He is currently a professor of the Department of Accounting of Zhengzhou Institute of Aeronautical Industry Management, the director of Henan Audit Development Research Center (part-time), an independent director of Henan Xiangyu Medical Equipment Co., Ltd., and an independent director of the company.

Mr. Ye Zhongming does not hold any shares of the Company, has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

9. Biography of Mr. Yu Hao

Mr. Yu Hao, born in 1957, Chinese nationality, no right of permanent residence abroad, bachelor degree, researcher-level senior engineer. He successively served as Deputy Director of Manufacturing Engineering, Deputy Chief Metallurgist and Chief Metallurgist of Shenyang Aircraft Industry (Group) Co., Ltd. He is currently an independent director of the Company.

Mr. Yu Hao does not hold any shares of the Company, has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

Curriculum Vitae of Supervisors

1. Curriculum vitae of Mr. Wu Wensheng

Mr. Wu Wensheng, born in 1971, Chinese nationality, no right of permanent residence abroad, master's degree candidate, researcher-level senior political engineer. He has successively served as Deputy Director of the (Party) Office of AECC Shenyang Engine Research Institute, Director of the Propaganda Department of the Party Committee, Member of the Party Committee, Director of the Organization Department, Deputy Secretary of the Party Committee, Secretary of the Discipline Inspection Commission, Chairman of the Labor Union, Secretary of the Party Committee, Deputy Director, Director and Deputy Secretary of the Party Committee. He is currently the Secretary of the Party Committee and Vice President of AECC Beijing Institute of Aeronautical Materials, and the Chairman of the Board of Supervisors of the Company.

Mr. Wu Wensheng does not hold any shares of the Company, has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

2. Biography of Mr. Li Xingwu

Mr. Li Xingwu, born in 1973, Chinese nationality, no right of permanent residence abroad, doctoral candidate, researcher. He has successively served as Secretary of the Party Branch and Deputy Director of the 15th Research Office of AECC Beijing Institute of Aeronautical Materials, Director of the Chief Engineer's Office, and Chairman of AECC ESAB (Beijing) Technology Development Co., Ltd. He is currently the chief engineer and vice president of AECC Beijing Institute of Aeronautical Materials, the vice president of AECC Research Institute, the chairman of Beijing Graphene Technology Research Institute Co., Ltd., and the supervisor of the company.

Mr. Li Xingwu does not hold any shares of the Company, has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

3. Biography of Ms. Zhang Xiao

Ms. Zhang Xiao, born in 1984, Chinese nationality, no right of permanent residence abroad, master's degree candidate, senior accountant. He has successively served as the business manager in charge of the finance department of AVIC Shixin Gas Turbine Co., Ltd., the business manager in charge of the finance department and the senior business manager of the finance department of AVIC Power Technology Engineering Co., Ltd., and the deputy director of the risk compliance/discipline inspection and supervision department of AECC Asset Management Co., Ltd. He is currently the head of the Risk Compliance/Discipline Inspection and Supervision Department of AECC Asset Management Co., Ltd., the chairman of the board of supervisors of AECC Fund Management Co., Ltd., the supervisor of Fudisi Petrochemical Technology (Huludao) Co., Ltd., the chairman of the board of supervisors of Tongling Tongguan Youchuang Special Materials Co., Ltd., and the supervisor of the company.

Ms. Zhang Xiao does not hold any shares of the Company, has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and her qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

4. Curriculum vitae of Mr. Li Peihuan

Mr. Li Peihuan, born in 1991, Chinese nationality, no right of permanent residence abroad, doctoral candidate, senior engineer. He is currently the deputy director of the company's planning and finance department and the secretary of the functional party branch.

Mr. Li Peihuan does not hold any shares of the Company, has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Shanghai Stock Exchange and other laws and regulations.

5. Resume of Mr. Jiang Liangbao

Mr. Jiang Liangbao, born in 1983, Chinese nationality, no right of permanent residence abroad, doctoral candidate, researcher. He has successively served as a senior engineer and researcher at the Transparent Parts Research Institute of AECC Beijing Institute of Aeronautical Materials, and the deputy director of the Production Department of the Company's Aircraft Cockpit Transparent Parts Division. He is currently a researcher of the company's aircraft cockpit transparent parts division and an employee representative supervisor.

Mr. Jiang Liangbao does not hold any shares of the Company, has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Shanghai Stock Exchange and other laws and regulations.

Curriculum vitae of senior executives

1. Biography of Mr. Yan Yue

Mr. Yan Yue, born in 1966, Chinese nationality, no right of permanent residence abroad, doctoral candidate, researcher. He has successively served as the deputy director and director of the 9th Research Office, the director of the 8th Research Office, the director of the 8th Research Institute, the director of the Beijing Advanced Carrier System Transparent Parts Engineering Technology Research Center, the secretary of the Party Committee, the deputy general manager and the general manager of the Aircraft Cockpit Transparent Parts Business Division of AECC Beijing Institute of Aeronautical Materials. He is currently the general manager of the company and the general manager of the aircraft cockpit transparent parts division.

Mr. Yan Yue indirectly holds 276,672 shares of the Company through Gongqingcheng Aviation Materials No. 1 Investment Partnership (Limited Partnership). Mr. Yan Yue has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications are in accordance with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

2. Biography of Mr. Liu Qiguang

Mr. Liu Qiguang, born in 1977, Chinese nationality, no right of permanent residence abroad, master's degree candidate, researcher. He has successively served as the deputy director of the 9th Research Office, the deputy director and secretary of the Party branch of the 8th Research Office, and the secretary and deputy director of the 8th Research Office of AECC Beijing Institute of Aeronautical Materials. He is currently the executive deputy general manager of the company, the secretary of the party branch and the deputy general manager of the aircraft cockpit transparent parts division.

Mr. Liu Qiguang indirectly holds 138,336 shares of the Company through Gongqingcheng Aviation Materials No. 1 Investment Partnership (Limited Partnership). Mr. Liu Qiguang has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications are in accordance with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

3. Biography of Mr. Liu Gang

Mr. Liu Gang, born in 1982, Chinese nationality, no right of permanent residence abroad, master's degree candidate, senior engineer. He has successively served as assistant to the general manager and deputy general manager of Beijing Aviation Materials Bermuda Heli Polymer Materials Co., Ltd., deputy director and secretary of the Party branch of the 11th Institute of AECC Beijing Institute of Aeronautical Materials, secretary of the Party branch and deputy general manager of the company's rubber and sealing materials division, and deputy general manager of Beijing Aviation Materials Youchuang Polymer Materials Co., Ltd. He is currently the secretary of the Party committee and deputy general manager of the company, the general manager of the rubber and sealing materials division, and the director and general manager of Beijing Aviation Materials Youchuang Polymer Materials Co., Ltd.

Mr. Liu Gang indirectly holds 138,336 shares of the Company through Gongqingcheng Aviation Materials No. 3 Investment Partnership (Limited Partnership). Mr. Liu Gang has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

4. Biography of Mr. Zhang Aibin

Mr. Zhang Aibin, born in 1973, Chinese nationality, no right of permanent residence abroad, master's degree candidate, engineer. He has successively served as the assistant to the leader and deputy director of the product development department of AECC Beijing Institute of Aeronautical Materials, the secretary of the party branch of the four functional branches, the executive deputy general manager and general manager of Beijing Bermuda Aviation Materials High-tech Co., Ltd., the general manager of the company's titanium alloy precision casting division, and the general manager of Hangfa Excellent Materials (Zhenjiang) Titanium Alloy Precision Forming Co., Ltd. He is currently the deputy general manager of the company.

Mr. Zhang Aibin indirectly holds 276,672 shares of the Company through Gongqingcheng Aviation Materials Land Investment Partnership (Limited Partnership). Mr. Zhang Aibin has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, and has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications are in accordance with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

5. Biography of Mr. Meng Yu

Mr. Meng Yu, born in 1977, Chinese nationality, no right of permanent residence abroad, master's degree candidate, senior engineer. He has successively served as assistant leader, deputy director and director of the melting and casting center of AECC Beijing Institute of Aeronautical Materials. He is currently the deputy general manager of the company and the general manager of the superalloy melting and casting division.

Mr. Meng Yu indirectly holds 276,672 shares of the Company through Gongqingcheng Aviation Materials Wuhao Investment Partnership (Limited Partnership). Mr. Meng Yu has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

6. Curriculum vitae of Mr. Ma Xingjie

Mr. Ma Xingjie, born in 1977, Chinese nationality, no right of permanent residence abroad, bachelor's degree, senior accountant. He has successively served as Deputy Director and Director of the Finance Department, Director of the Planning Department, Director of the Planning and Finance Department, Director of the Planning and Finance Department, Deputy General Manager, Chief Financial Officer and Director of the Planning and Finance Department of Beijing Bermuda Aviation Materials High-tech Co., Ltd

Secretary of the Council. He is currently the Deputy General Manager, Chief Financial Officer, Secretary of the Board of Directors, General Counsel and Chief Compliance Officer of the Company.

Mr. Ma Xingjie indirectly holds 138,336 shares of the Company through Gongqingcheng Aviation Materials Investment Partnership (Limited Partnership). Mr. Ma Xingjie has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.

7. Biography of Mr. Ji Shoudong

Mr. Ji Shoudong, born in 1969, Chinese nationality, no right of permanent residence abroad, bachelor's degree, senior engineer. He has successively served as Secretary of the Party Branch and Deputy Director of the Office of the Precision Casting Engineering Research Center of AECC Beijing Institute of Aeronautical Materials, Deputy Director of the Precision Casting Engineering Center, Deputy Manager of the Precision Casting Division of Beijing Bermuda High-tech Co., Ltd., Deputy General Manager of Beijing Bermuda High-tech Co., Ltd., and Deputy General Manager of the Titanium Alloy Precision Casting Division of the Company. He is currently the deputy general manager of the company, the general manager of the titanium alloy precision casting division, and the director and general manager of Hangfa Youcai (Zhenjiang) Titanium Alloy Precision Forming Co., Ltd.

Mr. Ji Shoudong indirectly holds 138,336 shares of the Company through Gongqingcheng Aviation Materials Seven Investment Partnership (Limited Partnership). Mr. Ji Shoudong has no relationship with other directors, supervisors and senior management of the Company, actual controllers and shareholders holding more than 5% of the shares of the Company, has not been punished by the China Securities Regulatory Commission, the Shanghai Stock Exchange and other relevant departments, and his qualifications comply with the provisions of the Company Law, the Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange and other laws and regulations.