Simplified Report on Change of Equity (Zhuhai Yuening and Zhuhai Kangdong)

Jiangsu Sineng Power Technology Co., Ltd.

Simplified Report on Change of Equity

Listed Company Name: Jiangsu Sineng Power Technology Co., Ltd.

Stock Exchange: Shenzhen Stock Exchange

Stock Abbreviation: Sineng Power

Stock Code: 002150

Information Disclosure Obligor 1: Zhuhai Yuening Management Consulting Partnership (Limited Partnership)

Domicile: Room 105-73158, No. 6 Baohua Road, Hengqin New Area, Zhuhai (Centralized Office Area)

Correspondence Address: 6th Floor, Block A, COFCO Plaza, No. 8 Jianguomennei Avenue, Dongcheng District, Beijing

Information Disclosure Obligor 2: Zhuhai Kangdong Equity Investment Partnership (Limited Partnership)

Domicile: Room 201-578, Building 17, No. 1889 Huandao East Road, Hengqin New Area, Zhuhai (Centralized Office Area)

Nature of Equity Change: Reduction of shares (centralized bidding, block trades) and passive increase, with the shareholding ratio falling below 5%.

Signing Date: July 31, 2026

Statement

1. The information disclosure obligors have prepared this report in accordance with the Securities Law of the People's Republic of China, the Administrative Measures for the Takeover of Listed Companies (hereinafter referred to as the "Administrative Measures"), the Standards for the Contents and Formats of Information Disclosure by Companies Offering Securities to the Public No. 15—Report on Change of Equity (hereinafter referred to as "Standard No. 15"), and relevant laws, regulations, and departmental rules.

2. In accordance with the Securities Law, the Administrative Measures, and Standard No. 15, this report has fully disclosed the changes in the equity held by the information disclosure obligors in Jiangsu Sineng Power Technology Co., Ltd. As of the signing date of this report, except for the shareholding information disclosed herein, the information disclosure obligors have not increased or decreased their equity in Jiangsu Sineng Power Technology Co., Ltd. through any other means.

3. The information disclosure obligors have obtained the necessary authorization and approval to sign this report, and its execution does not violate or conflict with any terms of the internal rules of the information disclosure obligors.

4. This equity change 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 contained in this report or to make any interpretation or explanation regarding this report.

5. 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 responsibility for its authenticity, accuracy, and completeness.

Table of Contents

Definitions: 4

Section I: Introduction to Information Disclosure Obligors: 5

Section II: Purpose of Equity Change: 7

Section III: Method of Equity Change: 8

Section IV: Transactions of Listed Shares in the Previous 6 Months: 10

Section V: Other Major Matters: 11

Section VI: Documents Available for Inspection: 12

Declaration of Information Disclosure Obligors: 13

Definitions

In this report, unless the context otherwise requires, the following terms have the meanings indicated below: