Securities code: 688002 Securities abbreviation: Ruichuang Micro-Nano Announcement No.: 2025-011

Convertible bond code: 118030 Convertible bond abbreviation: Ruichuang convertible bond

Yantai Ruichuang Micro-Nano Technology Co., Ltd

Regarding the election of vice chairman and senior management changes

and the announcement of the adjustment of core technical 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 in accordance with the law. Important Content Notes:

Yantai Ruichuang Micro-Nano Technology Co., Ltd. (hereinafter referred to as the "Company" or "Ruichuang Micro-Nano")

On February 11, 2025, the 22nd meeting of the third session of the Board of Directors was held, and the "Guan

Proposal on the election of the vice chairman of the company, "Proposal on the appointment of the company's rotating general manager", "Proposal on transfer

Proposal on the core technical personnel of the whole company" and "Proposal on the appointment of the company's deputy general manager".

According to the company's development strategy and business development status, combined with the relevant personnel's job experience and core

Participation in technology research and development, the company decided to adjust the core technical personnel to Dr. Ma Hong and Chen

Dr. Peng Gao, Dr. Shan Dong. Dr. Wang Hongchen and Mr. Chen Wenli, the former core technical personnel, were due to their jobs

The adjustment will no longer be directly involved in the management and implementation of the company's specific R&D projects, and will continue to be in the company

Appointment. Based on the above-mentioned adjustment of the work content, the company no longer recognizes Dr. Wang Hongchen and Mr. Chen Wenli as the core

Heart technician. Dr. Chen Gaopeng and Dr. Dong Shan are the new core technical personnel of the company.

The adjustment of core technical personnel will not bring about the company's core competitiveness and ability to continue operations

The substantial impact will not affect the normal development of the company's core technologies and R&D projects.

The company held the 22nd meeting of the third board of directors on February 11, 2025, which was deliberated and approved

"Proposal on the Election of the Vice Chairman of the Company", "Proposal on the Appointment of the Company's Rotating General Manager", "Proposal on the Adjustment of the Company's Core Technical Personnel", "Proposal on the Appointment of the Company's Deputy General Manager". The relevant information is hereby announced as follows:

Mr. Zhao Fangyan was elected as the vice chairman of the third board of directors of the company, and his term of office will be from the date of deliberation and approval of the board of directors to the date of expiration of the term of the third board of directors. (CV attached)

2. Changes in senior management

Nominated by Dr. Ma Hong, chairman of the board of directors of the company, and approved by the nomination committee of the board of directors of the company, Mr. Wang Hongchen was appointed as the rotating general manager of the company. The term of office of the rotating general manager shall be from the date of deliberation and approval of the board of directors to the date of expiration of the term of the third board of directors. (CV attached)

Nominated by Dr. Ma Hong, the general manager of the company, and approved by the qualification review of the nomination committee of the board of directors of the company, Dr. Chen Gaopeng was appointed as the deputy general manager of the company, in charge of the company's microwave division. The term of office shall be from the date of approval of the board of directors to the date of expiration of the term of the third board of directors. (CV attached)

Due to the adjustment of work content, Mr. Jiang Bin no longer serves as the deputy general manager of the company and still serves in the company.

Third, the specific situation of the adjustment of core technical personnel

(1) The identification of new core technical personnel

According to the company's development strategy and business development status, combined with the relevant personnel's work experience, core technology research and development participation and other factors, the company decided to adjust the core technical personnel to Dr. Ma Hong, Dr. Chen Gaopeng, Dr. Dong Shan. The company newly recognized Dr. Chen Gaopeng and Dr. Dong Shan as the company's core technical personnel. The details of the new core technical personnel are as follows:

1. Chen Gaopeng, male, born in September 1983, graduated from the University of Science and Technology of China with a bachelor's degree in electronics

He graduated from the Institute of Microelectronics, Chinese Academy of Sciences, majoring in microelectronics and solid-state electronics, with a Ph.D. degree. From 2010 to 2013, he served as the R&D manager of RDA Microelectronics Co., Ltd.; From 2013 to 2021, he served as the general manager of Yiqo Semiconductor (Suzhou) Co., Ltd.; Since 2022, he has served as the general manager of Suzhou Branch of Yantai Ruichuang Micro-Nano Technology Co., Ltd.

Dr. Chen Gaopeng has been deeply involved in the field of microwave semiconductors and RF microsystems for more than 10 years, and has rich experience in technology research and development and product management, focusing on the development and innovation of RF integrated circuit and microsystem technologies and products. During his tenure at the company, he led the company's microwave business planning and team building, and led the technology and product research of microwave integrated circuits, RF microsystems, phased array antennas and subsystems, millimeter-wave radar and other product lines

and actively promote the improvement of the company's R&D system and the construction of technology platform, and have made important contributions to the company's technological development and market competitiveness.

As of the disclosure date of this announcement, Dr. Chen Gaopeng, as a non-single inventor, has applied for a total of 54 invention patents, of which 11 have been authorized, and 1 has obtained the exclusive right to layout design of integrated circuits.

As of the disclosure date of this announcement, Dr. Chen Gaopeng directly holds 62,500 shares of the company, and he has no relationship with the company's controlling shareholders, shareholders holding more than 5% of the company's shares, directors, supervisors and senior managers, and is not a judgment defaulter, nor has he been punished by the China Securities Regulatory Commission and other relevant departments or disciplined by the stock exchange.

2. Dong Shan, female, born in August 1981, graduated from Huazhong University of Science and Technology with a Ph.D. degree in optical engineering

Bachelor's degree. Since 2012, he has successively served as R&D engineer and R&D department manager of Ruichuang Micro-Nano. Since his work, he has been committed to the research of semiconductor technology, and has rich experience in the research direction of uncooled infrared. As the core technical backbone, he led the team to develop 12μm/10μm/8μm/6μm series products, which are widely used in automotive electronics, security monitoring, industrial temperature measurement, drones, personal consumer electronics and other fields.

As of the disclosure date of this announcement, Dr. Dong Shan, as a non-single inventor, has applied for a total of 19 invention patents.

Among them, 11 have been authorized, 5 academic papers have been published, and 3 exclusive rights of integrated circuit layout design have been obtained.

And won the second prize of Shandong Provincial Technological Invention Award in 2018 and the first prize of Shandong Provincial Science and Technology Progress Award in 2022.

As of the disclosure date of this announcement, Dr. Dong Shan directly holds 2,800 shares of the company, and there is no relationship between him and the company's controlling shareholders, shareholders holding more than 5% of the company's shares, directors, supervisors, and senior managers, and is not a dishonest person subject to execution, nor has he been punished by the China Securities Regulatory Commission and other relevant departments or disciplined by the stock exchange.

(2) Adjust the situation of core technical personnel

Dr. Wang Hongchen and Mr. Chen Wenli, the core technical personnel of the company, will no longer directly participate in the management and implementation of the company's specific R&D projects due to job adjustment, and will continue to work in the company. Based on the above-mentioned adjustment of work content, the company no longer identifies Dr. Wang Hongchen and Mr. Chen Wenli as core technical personnel.

1. The situation of the original core technical personnel

Wang Hongchen, male, born in February 1979, graduated from Huazhong University of Science and Technology with a major in electronic science and technology

Ph.D. degree. Since December 2009, he has successively served as the director of the company's chip division and the company's deputy general manager; Since May 2018, he has served as a director of the company.

Chen Wenli, male, born in September 1982, graduated from Sun Yat-sen University in microelectronics and solid-state electronics

Major, master's degree. He joined the company in March 2010 and engaged in the product development of uncooled infrared focal plane array chips, successively serving as chip R&D engineer, R&D department manager and business department director. June 2017

From September 2020, he served as the deputy general manager of the company; Since April 2022, he has served as the deputy general manager of the company.

As of the disclosure date of this announcement, Wang Hongchen holds 1,569,906 shares of the company, Chen Wenli holds 1,805,000 shares of the company, Wang Hongchen and Chen Wenli will continue to comply with the relevant laws and regulations such as the "Rules for the Listing of Stocks on the Science and Technology Innovation Board of the Shanghai Stock Exchange" and the "Self-Regulatory Guidelines for Listed Companies on the Shanghai Stock Exchange No. 15 - Shareholders and Directors, Supervisors and Senior Managers Reduce Their Shareholdings".

2. Participate in R&D projects and patents

The intellectual property rights that Dr. Wang Hongchen and Mr. Chen Wenli participated in during their tenure belong to the technical achievements of the company and belong to the company, and there are no disputes or potential disputes involving intellectual property rights such as patents or software copyrights, and they are no longer recognized as core technical personnel and do not affect the integrity of the company's intellectual property rights.

3. Confidentiality and non-competition

The Labor Contract signed by the Company with Dr. Wang Hongchen and Mr. Chen Wenli clearly stipulates the obligations of intellectual property rights, confidentiality, non-competition and prohibition of solicitation. Dr. Wang Hongchen and Mr. Chen Wenli are strictly obliged to keep confidential the trade secrets and other information that they know, contact and understand the company (including the holding company) that needs to be kept confidential. After this adjustment, Dr. Wang Hongchen and Mr. Chen Wenli will continue to work in the Company and will continue to comply with the above-mentioned obligations regarding intellectual property rights, confidentiality, non-competition and prohibition of solicitation.

(3) The impact of the adjustment of core technical personnel on the company

Through long-term adherence to technological innovation and accumulation, the company has established a complete R&D system through platform construction. The company attaches great importance to the cultivation of technical talents, and has formed a mature,

Professional R&D team with a good talent echelon foundation. As of June 30, 2024, the Company researched

The number of employees is 1376, and the number of R&D personnel accounts for 47.35% of the company's total number. At present, the company's technology research and development and daily operation are carried out normally, and the existing R&D team and core technical personnel can support the continuous research and development of the company's core technology in the future.

As of the disclosure date of this announcement, the company has a total of 3 core technical personnel. The core technical personnel before and after this adjustment are as follows:

Time The name of the core technical personnel

Before this change, Ma Hong, Wang Hongchen, Chen Wenli

After this change, Ma Hong, Chen Gaopeng, and Dong Shan

(4) Measures taken by the company

As of the disclosure date of this announcement, the company's R&D projects are in a normal and orderly state, and the existing R&D team and core technical personnel can support the core technology R&D work. The company has always attached great importance to R&D, and will continue to invest in R&D, build and improve the R&D system and R&D team, expand the introduction and training of R&D personnel, and continuously improve the company's technological innovation capabilities.

5. Sponsor's opinion

After verification, the sponsor believes that the adjustment of the company's core technical personnel has been deliberated and approved by the 22nd meeting of the third board of directors of the company, and the necessary review procedures have been performed. The adjustment of the core technical personnel is based on the company's development strategy and business development status, combined with the relevant personnel's job experience, core technology research and development participation and other comprehensive factors. In addition, Dr. Wang Hongchen and Mr. Chen Wenli are still working in the company, and the company's R&D team is generally relatively stable, and this adjustment will not have an adverse impact on the company's R&D management work, and will not have a significant adverse impact on the company's ability to continue operations.

In summary, the sponsor has no objection to the company's adjustment of core technical personnel.

The announcement is hereby made.

Yantai Ruichuang Micro-Nano Technology Co., Ltd

board of directors

February 12, 2025

Attached: Curriculum vitae

(1) Resume of the vice chairman

Zhao Fangyan, born in March 1968, graduated from Shenyang University of Technology, majoring in management science and engineering.

Master's degree, engineer. From July 1990 to August 1996, he successively served as the Party Group of Liaoning Provincial Machinery Industry Department

Secretary, secretary of the Youth League Committee; From August 1996 to June 2001, he worked in Liaoning Hai, Liaoning Construction Machinery Group

Pula Pipe Industry Co., Ltd.; From June 2001 to September 2008, he worked in Shenyang Alloy Investment Co., Ltd

Firm; From September 2008 to October 2011, he worked in Jiangsu Xingang Enterprise Co., Ltd.; October 2011

From June 2013 to June, he successively worked in Shanghai Kairunsi Investment Management Co., Ltd. and Jiangsu Wotian Agricultural Stocks

a limited company; From June 2013 to September 2020, he served as the secretary of the board of directors of Ruichuang Micro-Nano; August 2019

From April 2021, he served as the financial director of Ruichuang Micro-Nano; Since June 2013, he has served as the director of Ruichuang Micro-Nano.

Deputy General Manager.

As of the disclosure date of this announcement, Zhao Fangyan directly held 3,075,000 shares of the company, which is controlled by the company

Shareholders, actual controllers, shareholders holding more than 5% of the shares, and other directors, supervisors, and senior managers have no related relationship: there is no circumstance that they are not allowed to serve as directors, supervisors, and senior managers of the company as stipulated in the Company Law of the People's Republic of China; It has not been banned from entering the securities market by the China Securities Regulatory Commission: it has not been publicly identified by the Securities Exchange as unsuitable to serve as a director, supervisor or senior manager of a listed company: it has not been subject to administrative punishment by the China Securities Regulatory Commission and public reprimand by the stock exchange: it has not been investigated by the judicial authorities for suspected crimes or investigated by the China Securities Regulatory Commission for suspected violations of laws and regulations.

(2) Resume of the rotating general manager

Wang Hongchen, male, born in February 1979, graduated from Huazhong University of Science and Technology, majoring in electronic science and technology.

Ph.D. degree. Since December 2009, he has successively served as the director of the company's chip division and the company's deputy general manager; Since May 2018, he has served as a director of the company. As the core technical backbone of the company, Wang Hongchen led the development of a number of uncooled infrared focal plane detector chip products with international advanced level and achieved mass production, and the related achievements won the second prize of Shandong Province Technology Invention Award.

As of the disclosure date of this announcement, Wang Hongchen held 1,569,906 shares of the company, and he had no relationship with the company's controlling shareholders, actual controllers, shareholders holding more than 5% of the shares and other directors, supervisors and senior managers; There is no provision in the Company Law of the People's Republic of China that prohibits him from serving as a director, supervisor or senior manager of the company

the circumstances of the personnel; It has not been banned from the securities market by the China Securities Regulatory Commission; Not publicly recognized by the stock exchange as unsuitable to serve as a director, supervisor or senior manager of a listed company; Have not been subject to administrative penalties by the China Securities Regulatory Commission and public condemnation or criticism by the stock exchange; There is no case filed and investigated by the judicial authorities for suspected crimes or investigated by the China Securities Regulatory Commission for suspected violations of laws and regulations; After inquiry, it does not belong to the "judgment defaulter".

(3) Resume of the deputy general manager

Chen Gaopeng, male, born in September 1983, graduated from the University of Science and Technology of China with a bachelor's degree in electronic science and technology

He graduated from the Institute of Microelectronics, Chinese Academy of Sciences, majoring in microelectronics and solid-state electronics, with a Ph.D. degree. From 2010 to 2013, he served as the R&D manager of RDA Microelectronics Co., Ltd.; From 2013 to 2021, he served as the general manager of Yiqo Semiconductor (Suzhou) Co., Ltd.; Since 2022, he has served as the general manager of Suzhou Branch of Yantai Ruichuang Micro-Nano Technology Co., Ltd.

As of the disclosure date of this announcement, Chen Gaopeng directly held 62,500 shares of the company, and he had no relationship with the company's controlling shareholders, actual controllers, shareholders holding more than 5% of the shares, and other directors, supervisors and senior managers; There is no circumstance that prohibits him from serving as a director, supervisor or senior manager of the company as stipulated in the Company Law of the People's Republic of China; It has not been banned from the securities market by the China Securities Regulatory Commission; Not publicly recognized by the stock exchange as unsuitable to serve as a director, supervisor or senior manager of a listed company; Have not been subject to administrative penalties by the China Securities Regulatory Commission and public condemnation or criticism by the stock exchange; There is no case filed and investigated by the judicial authorities for suspected crimes or investigated by the China Securities Regulatory Commission for suspected violations of laws and regulations; After inquiry, it does not belong to the "judgment defaulter".