Jiangsu Xiehe Electronics Co., Ltd. Announcement on the Progress of Cooperation and Investment with Private Equity Funds

Securities Code: 605258 Securities Abbreviation: Xiehe Electronics Announcement Number: 2026-004

Jiangsu Xiehe Electronics Co., Ltd. Announcement on the Progress of Cooperation Investment with Private Equity Funds

The Board of Directors and all directors of the company guarantee that there are no false records, misleading statements, or significant omissions in the content of this announcement, and bear legal responsibility for the truthfulness, accuracy, and completeness of its content.

Important Content Reminder:

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I. Basic Information on Cooperation Investment

Jiangsu Xiehe Electronics Co., Ltd. (hereinafter referred to as the “Company”) aims to further implement investment development plans, enhance understanding and interaction with high-tech industries, and link richer industrial resources. On February 2, 2026, the Company, as a limited partner, signed the “Partnership Agreement of Changzhou Lirun Venture Capital Partnership (Limited Partnership)” with Changzhou Lizhong Investment Management Co., Ltd., Lianjian (Jiangsu) Technology Co., Ltd., Wuxi Baosen Investment Management Co., Ltd., Sibai’er Power Investment Co., Ltd., Huang Wenbo, Liang Yuandan, Zhou Yuanqin, Xu Chang’e, Jiang Yajun, and Yang Yadong to jointly invest in establishing the Changzhou Lirun Venture Capital Partnership (Limited Partnership) (hereinafter referred to as “Lirun Investment”). The total subscribed capital of Lirun Investment is RMB 68.5 million, and the Company subscribes RMB 5 million with its own funds, accounting for 7.2993% of the total subscribed capital of Lirun Investment. For specific details, please refer to the “Announcement on Cooperation Investment with Private Equity Funds and Participation in Establishing Equity Investment Funds” (Announcement Number: 2026-001) disclosed by the Company on the official website of the Shanghai Stock Exchange (www.sse.com.cn) on February 3, 2026.

II. Progress of External Investment

Recently, Lirun Investment has completed business registration and obtained the “Business License,” and has completed the filing registration with the Asset Management Association of China, obtaining the “Private Investment Fund Filing Certificate.” The specific information is as follows:

(A) Business Registration Information

1. Name: Changzhou Lirun Venture Capital Partnership (Limited Partnership)

2. Unified Social Credit Code: 91320412MAK6G0JFXL

3. Capital Contribution: RMB 68.5 million

4. Type: Limited Partnership

5. Establishment Date: February 5, 2026

6. Executive Partner: Changzhou Lizhong Investment Management Co., Ltd. (Delegate Representative: Yao Zhongbin)

7. Main Business Location: 5th Floor, 511-65, No. 8 Lvyang Road, Xitaihu Science and Technology Industrial Park, Changzhou (Cluster Registration)

8. Business Scope: General projects: Venture capital (limited to investing in unlisted companies); Enterprise management (except for projects that require approval according to law, conduct business activities independently in accordance with the business license).

(B) Private Investment Fund Filing Information

1. Fund Name: Changzhou Lirun Venture Capital Partnership (Limited Partnership)

2. Manager Name: Changzhou Lizhong Investment Management Co., Ltd.

3. Custodian Name: Agricultural Bank of China Co., Ltd.

4. Filing Code: SBRQ49

5. Filing Date: March 25, 2026

III. Overall Situation of Cooperation Investment with Private Equity Funds as of Now

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IV. Documents for Reference

1. “Private Investment Fund Filing Certificate”;

2. “Business License of Changzhou Lirun Venture Capital Partnership (Limited Partnership).”

This announcement is hereby made.

Jiangsu Xiehe Electronics Co., Ltd.

Board of Directors

March 27, 2026

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