Simplified Report on Change of Equity

Stock Code: 300429 Stock Abbreviation: Strong New Materials

Changzhou Strong New Materials Co., Ltd.

Name of Listed Company: Changzhou Strong New Materials Co., Ltd.

Place of Stock Listing: Shenzhen Stock Exchange

Stock Abbreviation: Strong New Materials

Stock Code: 300429

Information Disclosure Obligor (1): Qian Xiaochun

Domicile/Communication Address: Tianning District, Changzhou City, Jiangsu Province [blank]

Information Disclosure Obligor (2): Guan Jun

Information Disclosure Obligor (3): Guan Guoqin

Domicile/Communication Address: Yuhuatai District, Nanjing City, Jiangsu Province [blank]

Information Disclosure Obligor (4): Qian Ying

Domicile/Communication Address: Wujin District, Changzhou City, Jiangsu Province [blank]

Information Disclosure Obligor (5): Qian Xiaoying

Nature of Equity Change: Reduction of shares (negotiated transfer)

Date of Report Signing: August 10, 2026

Statement of Information Disclosure Obligors

This report is prepared in accordance with the Securities Law of the People's Republic of China, the Administrative Measures for the Takeover of Listed Companies, the Standards for the Contents and Formats of Information Disclosure by Companies Offering Securities to the Public No. 15—Report on Change of Equity, and other relevant laws, regulations, and normative documents.
The signing of this report by the information disclosure obligors has obtained the necessary authorization and approval, and its performance does not violate or conflict with any terms in the articles of association or internal rules of the information disclosure obligors.
In accordance with the provisions of the Securities Law of the People's Republic of China and the Administrative Measures for the Takeover of Listed Companies, this report has fully disclosed the changes in the equity interests held by the information disclosure obligors in Changzhou Strong New Materials Co., Ltd. (hereinafter referred to as "Strong New Materials").
As of the date of signing this report, except for the information disclosed herein, the aforementioned information disclosure obligors have not increased or decreased their equity interests in Strong New Materials through any other means.
This negotiated transfer is subject to compliance review by the Shenzhen Stock Exchange before the share transfer registration procedures can be completed at the Shenzhen Branch of China Securities Depository and Clearing Corporation Limited. There is uncertainty regarding whether the transaction will be ultimately completed; investors are advised to pay attention to investment risks.
This change in equity is based on the materials stated in this report. The information disclosure obligors have not entrusted or authorized any other person to provide information not listed in this report or to make any explanations or statements regarding this report.
The information disclosure obligors promise that this report does not contain any false records, misleading statements, or major omissions, and assume individual and joint legal liability for its truthfulness, accuracy, and completeness.

Table of Contents

Section I Definitions 4

Section II Information Disclosure Obligors 5

Section III Purpose of Equity Change 7

Section IV Method of Equity Change 8

Section V Transactions of Listed Shares by Information Disclosure Obligors in the Previous 6 Months 14

Section VI Other Major Matters 15

Section VII Statement of Information Disclosure Obligors 16

Section VIII Documents Available for Inspection 17

Section I Definitions

In this report, unless the context otherwise requires, the following abbreviations have the following specific meanings:

✨ AI Summary

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