Wuxi Longsheng Technology Co.Ltd(300680) : Announcement on the change of recommendation institution and recommendation representative

Securities code: 300680 securities abbreviation: Wuxi Longsheng Technology Co.Ltd(300680) Announcement No.: 2022-015

Wuxi Longsheng Technology Co.Ltd(300680)

Announcement on change of recommendation institution and recommendation representative

The company and all members of the board of directors guarantee that the information disclosed is true, accurate and complete without false records, misleading statements or major omissions.

Wuxi Longsheng Technology Co.Ltd(300680) (hereinafter referred to as the “company”) issued shares to specific objects and was listed on the growth enterprise market of Shenzhen Stock Exchange on October 23, 2020 after being approved by the reply of China Securities Regulatory Commission (hereinafter referred to as the “CSRC”) on Approving the registration of Wuxi Longsheng Technology Co.Ltd(300680) issuing shares to specific objects (zjxk [2020] No. 2119). The company employs Huaying Securities Co., Ltd. (hereinafter referred to as “Huaying securities”) as the sponsor of issuing shares to specific objects in 2020, with a continuous supervision period until December 31, 2022. The company held the first extraordinary general meeting of shareholders in 2022 on February 25, 2022, and deliberated and approved the company’s plan for issuing A-Shares to specific objects in 2021 and other relevant proposals. The company decided to employ China Merchants Securities Co.Ltd(600999) (hereinafter referred to as ” China Merchants Securities Co.Ltd(600999) “) as the sponsor of the issuance of A-Shares to specific objects, and signed the Wuxi Longsheng Technology Co.Ltd(300680) and China Merchants Securities Co.Ltd(600999) recommendation agreement on the issuance and listing of RMB common shares (A shares) to specific objects with China Merchants Securities Co.Ltd(600999) on the same day, and the supervision period will last until two complete accounting years after the listing of the issued shares.

According to the relevant provisions of the measures for the administration of securities issuance and listing recommendation business of the CSRC, the company shall terminate the recommendation agreement with the original recommendation institution if it hires another recommendation institution for re applying for securities issuance, and the additional recommendation institution shall complete the unfinished continuous supervision work of the original recommendation institution. In view of the fact that the continuous supervision period of the company’s issuance of shares to specific objects in 2020 has not ended, and the sponsor of this issuance of shares has been replaced with China Merchants Securities Co.Ltd(600999) , according to the regulations, the unfinished continuous supervision of Huaying securities to the company is undertaken by China Merchants Securities Co.Ltd(600999) , Huaying securities will no longer perform the corresponding continuous supervision duties, China Merchants Securities Co.Ltd(600999) will appoint the sponsor representative, Mr. Guo Xin Mr. Sun Jian (see attachment for resume) is responsible for specific continuous supervision. The company sincerely thanks Huaying securities and its project team for their work in the process of issuing shares to specific objects and continuous supervision in 2020!

It is hereby announced.

Wuxi Longsheng Technology Co.Ltd(300680) board of directors February 26, 2022 Annex: I. Introduction to the sponsor

Company name: China Merchants Securities Co.Ltd(600999)

Registered address: No. 111, Fuhua 1st Road, Futian street, Futian District, Shenzhen

Legal representative: Huoda

China Merchants Securities Co.Ltd(600999) is a comprehensive securities company established with the approval of the China Securities Regulatory Commission. It has been registered as a sponsor and has the business qualification to sponsor the issuance of shares to specific objects for enterprises. China Merchants Securities Co.Ltd(600999) made an initial public offering of A-Shares in November 2009 and listed on the main board of Shanghai Stock Exchange (code 600999), and made an initial public offering of H shares in October 2016 and listed on the main board of Hong Kong Stock Exchange (code 06099). 2、 Introduction to sponsor representative

Mr. Guo Xin, sponsor representative, master of economics. He began to work in investment banking in 2014 and participated in IPO projects such as Jiangsu Kuangshun Photosensitivity New-Material Stock Co.Ltd(300537) (300537), Jiangsu Kuangshun Photosensitivity New-Material Stock Co.Ltd(300537) (300537) major asset restructuring projects such as issuing shares to buy assets, Daodaoquan Grain And Oil Co.Ltd(002852) (002852) refinancing projects such as non-public offering of shares.

Mr. Sun Jian, sponsor representative, master of business administration. He began to work in investment banking in 2005. He presided over and participated in IPO projects such as Guilin Sanjin Pharmaceutical Co.Ltd(002275) (002275), Shenzhen Salubris Pharmaceuticals Co.Ltd(002294) (002294), dahuanong (300186), bangxun Technology (300312), Guangdong Faith Long Crystal Technology Co.Ltd(300460) (300460), Qianhe Condiment And Food Co.Ltd(603027) (603027), Crystal Clear Electronic Material Co.Ltd(300655) (300655), Jiangsu Zhongshe Group Co.Ltd(002883) (002883), Shaanxi Aerospace Power Hi-Tech Co.Ltd(600343) (600343) Guangdong Faith Long Crystal Technology Co.Ltd(300460) (300460) issue shares and other refinancing projects to specific objects.

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