CITIC Securities Co., Ltd

About Yantai Ruichuang Micro-Nano Technology Co., Ltd

Adjust the verification opinions of core technical personnel

CITIC Securities Co., Ltd. (hereinafter referred to as "CITIC Securities", "the Sponsor"), as the sponsor of Yantai Ruichuang Micro-Nano Technology Co., Ltd. (hereinafter referred to as "Ruichuang Micro-Nano" or the "Company") in the issuance of convertible corporate bonds to unspecified targets and listing on the Science and Technology Innovation Board, in accordance with the Administrative Measures for the Sponsorship Business of Securities Issuance and Listing, 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 Science and Technology Innovation Board of the Shanghai Stock Exchange No. 1 - Standardized Operation. The company's adjustment of core technical personnel has been verified, and the details are as follows:

1. Adjust the specific situation 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 job 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, and 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 University of Science and Technology of China with a bachelor's degree in electronic science

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, with rich experience in technology research and development and product management, focusing on the development and innovation of RF integrated circuit and microsystem technology and products. During his tenure in the company, he led the company's microwave business planning and team building, led the technology and product research and development of microwave integrated circuits, RF microsystems, phased array antennas and subsystems, millimeter-wave radar and other product lines, and actively promoted the improvement of the company's R&D system and technology platform construction, making important contributions to the company's technology development and market competitiveness.

As of the date of the issuance of this verification opinion, Dr. Chen Gaopeng, as a non-single inventor, has applied for invention patents

54 items, of which 11 have been authorized, and 1 exclusive right to layout design of integrated circuits has been obtained.

As of the date of issuance of this verification opinion, Dr. Chen Gaopeng directly holds 62,500 shares of the Company, and he has no relationship with the controlling shareholders of the Company, shareholders holding more than 5% of the shares of the Company, directors, supervisors and senior management of the Company, 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, doctor of engineering. Since 2012, he has served as Ruichuang Micro-Nano Research

Hair engineer, R&D department manager. 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 date of the issuance of this verification opinion, Dr. Dong Shan, as a non-single inventor, has applied for a total of 19 invention patents

11 of them have been authorized, 5 academic papers have been published, and 3 exclusive rights have been obtained for the layout design of integrated circuits

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 date of the issuance of this verification opinion, 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 judgment defaulter, 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, 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.

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

Master's degree. He joined the company in March 2010 and is engaged in the development of uncooled infrared focal plane array chip products

He has served as a chip R&D engineer, R&D department manager and business department director. June 2017 to 2020

In September, he was appointed 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 date of issuance of this verification opinion, Wang Hongchen holds 1,569,906 shares of the Company, and Chen Wenli holds 1,805,000 shares of the Company.

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.

Second, 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 and professional with continuous innovation ability

The R&D team of the industry has a good talent echelon foundation. As of June 30, 2024, the company's R&D

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 date of issuance of this verification opinion, 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

3. Measures taken by the company

As of the date of issuance of this verification opinion, 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.

Fourth, the implementation of the decision-making process

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

"Proposal on Adjusting the Company's Core Technical Personnel". This matter is within the approval authority of the board of directors and does not need to be submitted to the general meeting of shareholders for approval.

5. Sponsor's verification 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.

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(There is no text on this page, which is the signature page of the "Verification Opinions of CITIC Securities Co., Ltd. on the Adjustment of Core Technical Personnel of Yantai Ruichuang Micro-Nano Technology Co., Ltd.")

Sponsor Representative:

Liu Ruichen An Nan

CITIC Securities Co., Ltd

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