Suzhou Jinhong Gas Co., Ltd. Announcement on the departure of the company's core technical personnel

Stock code: 688106 Securities abbreviation: Jinhong Gas Announcement number: 2021-043

The Board of Directors and all Directors of the Company warrant that the contents of this announcement are free from any misrepresentation, misleading statements or material omissions, and assume legal responsibility for the truthfulness, accuracy and completeness of the contents in accordance with the law.

Important Content Tips:

● Mr. Wang Xinxi, a core technical officer of Suzhou Jinhong GasEs Co., Ltd. (hereinafter referred to as "Jinhong Gases" or the "Company"), applied for resignation from relevant positions and completed the resignation procedures due to personal reasons. After leaving the company, Mr. Wang Xinxi will no longer hold any position in the company.

● Mr. Wang Xinxi and the Company signed the "Non-Compete and Confidentiality Agreement", and the ownership of the authorized patents and patents under review that Mr. Wang Xinxi participated in research and development during his tenure of office belonged to the company or its subsidiaries, and there were no situations involving disputes or potential disputes over the ownership of service invention patents, nor did they affect the integrity of the company's patent ownership.

● At present, the company's technology research and development work is carried out normally, and the departure of Mr. Wang Xinxi has not adversely affected the company's overall research and development strength.

First, the specific circumstances of the departure of core technical personnel

Mr. Wang Xinxi, a core technical personnel of the company, resigned from the company's relevant positions due to personal reasons and recently completed the resignation procedures. After leaving the company, Mr. Wang Xinxi will no longer hold any position in the company.

1. The specific situation of core technical personnel

Wang Xinxi, male, born in 1973, Chinese nationality, no right of permanent residence abroad, master's degree, major in materials science and engineering, senior engineer. In October 2018, he joined the company as the chief engineer of the company's R&D center. As at the date of this announcement, Mr. Wang Xinxi does not directly or indirectly hold shares in the Company.

2. Participated in R&D projects and patented technologies

During his tenure, Mr. Wang Xinxi was mainly responsible for the development and management of the company's new products. The departure of Mr. Wang Xinxi will not affect the promotion and implementation of the company's research projects, and the handover of work with the R&D team has been completed.

As of the disclosure date of this announcement, Mr. Wang Xinxi has participated in the research and development of 6 invention patents and 40 utility model patents during his work, and has not applied for and obtained any patents as a single inventor. The ownership of the relevant patents applied for by Mr. Wang Xinxi as a participant during his work period belongs to the company and its subsidiaries, there are no disputes or potential disputes involving service inventions, and Mr. Wang Xinxi's departure does not affect the integrity of the company's patent rights.

3. Confidentiality and non-compete main contents

According to the "Non-Compete and Confidentiality Agreement" signed between the Company and Mr. Wang Xinxi, Mr. Wang Xinxi agreed to abide by any written or unwritten confidentiality rules and regulations of the Company during his tenure of office and perform the confidentiality duties corresponding to his position. For any reason, if you leave the company for any reason, you shall immediately hand over to the company all documents in your possession, including trade secrets in the development of your duties, and shall not retain the company's trade secret information in any form, nor shall it reproduce, reproduce or pass on to anyone in any way.

As of the date of this verification opinion, the Company has not found that Mr. Wang Xinxi has violated the relevant circumstances stipulated in the Non-Compete and Confidentiality Agreement after his departure. The Company and the Board of Directors would like to express their heartfelt thanks to Mr. Wang Xinxi for his diligent work and contribution to the Company during his tenure!

There are no other undisclosed material risks of the Company.

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

Mr. Wang Xinxi has completed the handover of work, the company's R & D team has follow-up technology research and development and product development capabilities, and his departure will not have a substantial impact on the company's technical advantages and core competitiveness.

The company has always paid attention to the introduction and training of talents, and over the years has gradually established a talent introduction and reserve mechanism that is compatible with the development characteristics of the industry and the company's development needs. Every year, the company recruits high-end technical talents with experience in the industry and outstanding fresh graduates of related majors for the whole country as the company's technical talent reserve echelon. In addition, the company pays attention to the cultivation of internal technical talents, establishes an effective technical training, performance appraisal and technical promotion mechanism, and the company's perfect R & D innovation system does not have an important dependence on individual R & D personnel.

At the same time, the company has formed a set of intellectual property protection systems including patents, non-patented technologies, trademarks, and software copyright protection measures to effectively protect the company's innovative achievements.

As of June 30, 2021, the number of R&D personnel in the company was 259, accounting for 14.53% of the total number of employees. As of June 30, 2021 and the disclosure date of this announcement, the Company's core R&D personnel are as follows:

After the departure of Mr. Wang Xinxi, the company added Mr. Chen Qifeng as the core technical personnel, and Mr. Chen Qifeng's resume is as follows:

Chen Qifeng, male, born in 1984, Chinese nationality, no right of permanent residence abroad, doctoral degree, major in polymer chemistry and physics, senior engineer. He joined the company in December 2011 and successively served as the deputy director of the R&D center, the general manager of Pingdingshan Jinhong Puen Electronic Materials Co., Ltd., and the general manager of Meishan Jinhong Electronic Materials Co., Ltd., focusing on the research and development and industrialization of electronic grade nitrous oxide. During his tenure, Mr. Chen Qifeng has participated in the research and development and industrialization of "key support materials for optoelectronic industry - 7N electronic grade ultrapure ammonia", "R & D and industrialization of electronic grade ethyl orthosilicate for integrated circuits" and other scientific and technological innovation and achievement transformation projects in Jiangsu Province, and has obtained 10 invention patents, 36 utility model patents and 1 appearance patent.

In summary, the departure of Mr. Wang Xinxi will not have a significant adverse impact on the company's overall R&D strength, business development, product innovation, etc.

3. Measures taken by the company

At present, Mr. Wang Xinxi has completed the handover of work with the R&D team, the company's production and operation are stable, and the company's core technical personnel and R&D team can support the company's continuous research and development of future core technologies.

4. Verification opinions of the sponsoring institution

Upon verification, the sponsoring institution believes that:

1. Jinhong Gas R & D team and core technical personnel are relatively stable as a whole, Wang Xinxi and the company have completed the handover of work, and his departure will not have a significant adverse impact on jinhong gas R & D strength, and will not affect the company's core competitiveness;

2. Wang Xinxi signed a "non-compete and confidentiality agreement" with the company, the ownership of the authorized patent he participated in research and development during his tenure belonged to the company or a subsidiary, there was no situation involving the ownership dispute or potential dispute of the patent for the service invention, and Wang Xinxi's resignation would not affect the integrity of the company's patent rights and would not have a significant adverse impact on the company's business development and technological innovation;

3. At present, the technology research and development and daily operation of Jinhong Gas are normal, and Wang Xinxi's departure has not had a significant adverse impact on Jinhong Gas's ability to continue to operate.

V. Attachments to online announcements

Opinions of China Merchants Securities Co., Ltd. on the Departure of Core Technical Personnel of Suzhou Jinhong Gas Co., Ltd.

This is hereby announced.

Board of Directors of Suzhou Jinhong Gases Co., Ltd

September 2, 2020

Stock code: 688106 Stock abbreviation: Jinhong Gas Announcement number: 2021-044

Suzhou Jinhong Gas Co., Ltd. about the concentration

Announcement of the progress of the repurchase of the company's shares in a competitive transaction

First, the basic situation of repurchasing shares

Suzhou Jinhong Gases Co., Ltd. (hereinafter referred to as the "Company") held the 29th meeting of the Fourth Board of Directors on July 30, 2021, deliberated and passed the "Proposal on the Repurchase of the Company's Shares by Means of Centralized Auction Transactions", and agreed that the Company should repurchase the Company's shares by means of centralized auction transactions, and the total repurchase funds shall not be less than RMB151.7 million (inclusive), not more than RMB299.3 million (inclusive), and the repurchase price shall not exceed RMB41 per share (inclusive), The repurchase period is 12 months from the date of the approval of the repurchase plan by the Board of Directors of the Company. For details, please refer to the Announcement on the Plan to Repurchase the Company's Shares by Means of a Centralized Auction Transaction (Announcement No. 2021-033) and the Report on the Repurchase of the Company's Shares by Means of a Centralized Auction Transaction (Announcement No. 2021-038) disclosed on the website of the Shanghai Stock Exchange (www.sse.com.cn) on July 31, 2021 and August 6, 2021.

Second, the progress of the implementation of the repurchase of shares

According to the relevant provisions of the Detailed Rules for the Implementation of The Repurchase of Shares by Listed Companies on the Shanghai Stock Exchange, during the period of share repurchase, the company shall announce the progress of the repurchase as of the end of the previous month within the first 3 trading days of each month. The progress of the company's repurchase is hereby announced as follows:

As of August 31, 2021, the Company repurchased 2,266,567 shares, accounting for 0.47% of the Company's total share capital of 484,333,400 shares, through the trading system of the Shanghai Stock Exchange in a centralized auction transaction, the highest price of the repurchase transaction was 28.51 yuan per share, the lowest price was 26.50 yuan per share, and the total amount of funds paid was RMB63,286,354.05 (excluding stamp duty, transaction commission and other transaction fees).

The above-mentioned repurchase of shares complies with the provisions of laws and regulations and the company's plan to repurchase shares.

3. Other matters

The company will strictly follow the relevant provisions of the "Detailed Rules for the Implementation of the Repurchase of Shares by Listed Companies on the Shanghai Stock Exchange" and the company's share repurchase plan, choose the opportunity to make the repurchase decision and implement it according to the market conditions during the repurchase period, and timely fulfill the information disclosure obligation according to the progress of the repurchase of shares, please pay attention to the investment risks.

Suzhou Jinhong Gases Co., Ltd

board of directors

September 2, 2021