Shandong Longhua New Materials Co., Ltd. Announcement on Changing the Continuous Supervision and Sponsoring Representative

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2026-03-28 08:33:05

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Stock Code: 301149 Stock Abbreviation: Longhua New Material Announcement No.: 2026-011

Shandong Longhua New Material Co., Ltd.

Announcement on the Change of Continuous Supervision Sponsoring Representatives

The company and all members of the board of directors guarantee that the content of the information disclosure is true, accurate, and complete, without false records, misleading statements, or major omissions, and shall bear individual and joint liability for the authenticity, accuracy, and completeness of its content.

Shandong Longhua New Material Co., Ltd. (hereinafter referred to as “the Company”) received a “Notice of Change of Continuous Supervision Sponsoring Representatives” from Dongwu Securities Co., Ltd. (hereinafter referred to as “Dongwu Securities”) on March 25, 2026. The specific situation is announced as follows:

Dongwu Securities Co., Ltd. is the sponsoring institution (lead underwriter) for the Company’s initial public offering of stocks and listing on the ChiNext of the Shenzhen Stock Exchange. It originally appointed Mr. Yin Peng and Mr. Qi Junwei as sponsoring representatives specifically responsible for the Company’s listing sponsorship and continuous supervision work. Due to the Company’s initiation of the issuance of convertible corporate bonds to unspecified objects, Dongwu Securities intends to appoint Mr. Li Haining and Mr. Duan Junqi as the sponsoring representatives responsible for the Company’s issuance of convertible corporate bonds to unspecified objects.

To ensure the orderly progress of the Company’s continuous supervision work, Dongwu Securities appoints Mr. Li Haining and Mr. Duan Junqi to replace Mr. Yin Peng and Mr. Qi Junwei to jointly be responsible for the Company’s continuous supervision work.

The Company’s board of directors expresses heartfelt thanks to Mr. Yin Peng and Mr. Qi Junwei for their work during the Company’s continuous supervision period!

This announcement is hereby made.

Board of Directors of Shandong Longhua New Material Co., Ltd.

March 26, 2026

Attachment 1: Resume of Mr. Li Haining

Mr. Li Haining, male, Senior Vice President of the Investment Banking Business Management Committee of the Beijing Division of this sponsoring institution, Sponsoring Representative. Since May 2015, he has served in the Investment Banking Business Management Committee of this sponsoring institution. The sponsorship projects he is mainly responsible for or involved in include: TCL Smart Home (002668.SZ) 2016 refinancing, Longhua New Material (301149.SZ) IPO, Suobao Protein (603231.SH) IPO, Changhua Chemical (301518.SZ) IPO, Yinuowei (920261.BJ) listing on the Beijing Stock Exchange, etc., possessing rich experience in investment banking.

Attachment 2: Resume of Mr. Duan Junqi

Mr. Duan Junqi, male, Vice President of the Investment Banking Business Management Committee of the Beijing Division of this sponsoring institution, Sponsoring Representative. Since December 2021, he has served in the Investment Banking Business Management Committee of this sponsoring institution. The sponsorship projects he is mainly responsible for or involved in include: Suobao Protein (603231.SH) IPO, Advanced Shuotong (300541.SZ) 2023 refinancing, etc., possessing rich experience in investment banking.

Stock Code: 301149 Stock Abbreviation: Longhua New Material Announcement No.: 2026-012

Announcement of Shandong Longhua New Material Co., Ltd. on

Application for Issuance of Convertible Corporate Bonds to Unspecified Objects Accepted by the Shenzhen Stock Exchange

Shandong Longhua New Material Co., Ltd. (hereinafter referred to as “the Company”) received the “Notice of Acceptance of Application Documents for Issuance of Convertible Corporate Bonds to Unspecified Objects by Shandong Longhua New Material Co., Ltd.” (Shenzhen Securities Review [2026] No. 50) issued by the Shenzhen Stock Exchange (hereinafter referred to as “SZSE”) on March 25, 2026. The SZSE has verified the application documents submitted by the Company for the issuance of convertible corporate bonds to unspecified objects and deemed the application documents complete, deciding to accept them.

The Company’s issuance of convertible corporate bonds to unspecified objects still requires review by the SZSE and the approval of the China Securities Regulatory Commission (hereinafter referred to as “CSRC”) for registration before it can be implemented. Whether the Company’s issuance of convertible corporate bonds to unspecified objects can ultimately pass the SZSE review and obtain approval from the CSRC for registration, as well as the timing, remains uncertain. The Company will, based on the progress of this matter, fulfill its information disclosure obligations in a timely manner in accordance with relevant laws and regulations, and investors are advised to pay attention to investment risks.

This announcement is hereby made.

Board of Directors of Shandong Longhua New Material Co., Ltd.

March 26, 2026

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