[Temporary Announcement] Jinhai Shares: Announcement of Resolutions of the Third Meeting of the Fifth Board of Directors

Announcement number: 2026-051

Securities code: 832390 Securities abbreviation: Jinhai Securities Sponsoring broker: Everbright Securities

Inner Mongolia Jinhai New Energy Technology Co., Ltd.

Announcement of Resolutions of the Third Meeting of the Fifth Board of Directors

The company and all members of the board of directors guarantee that the contents of the announcement are true, accurate and complete, and that there are no false records, misleading statements or major omissions, and bear individual and joint legal liability for the authenticity, accuracy and completeness of the contents.

1. Meeting convening and attendance

(1) Meeting status

1. Meeting time: September 29, 2026

2. Meeting method: √ On-site meeting √ Electronic communication meeting

3. Meeting place: Conference Room of Jiangsu Jinhai New Energy Technology Co., Ltd., No. 36 GCL Avenue, Funing County Economic Development Zone, Yancheng City, Jiangsu Province

4. Time and method of issuing board meeting notice: by email on September 25, 2026 5. Meeting host: Chairman Mr. Peng Ke

5. Meeting attendees: senior managers

6. Explanation on the legality and compliance of the convening situation:

The convening of this meeting complied with the relevant provisions of the "Company Law of the People's Republic of China" and the "Articles of Association", and the resolutions made at this meeting were legal and valid.

(2) Meeting attendance

The meeting should be attended by 9 directors, and 9 directors should be present and authorized to attend.

2. Proposal review status

(1) Consideration and approval of the "Proposal on the Cooperation Plan between Jinhai Shares and Mingyang Group"

1. Contents of the motion:

Announcement number: 2026-051

In order to deepen the cooperation between the company and Mingyang Smart Energy Group Co., Ltd. and achieve complementary advantages and win-win cooperation, the two parties reached a consensus on future cooperation through friendly consultations and formed a cooperation plan. Agree with the company to promote the above cooperation plan, and authorize the company's management to handle the implementation of the cooperation plan, signing of the agreement and related matters. The specific cooperation content, transaction arrangements, rights and obligations shall be subject to the agreement formally signed by both parties. Any subsequent information disclosure matters will be announced separately.

2. Avoidance of voting:

This proposal does not involve related party transactions and does not require abstention from voting.

3. Voting results of the motion: 9 votes in favor; 0 votes against; 0 abstentions.

4. Submit the voting status of the shareholders’ meeting:

This proposal does not need to be submitted to the shareholders' meeting for review.

3. Documents for reference

"Resolution of the Third Meeting of the Fifth Board of Directors of Inner Mongolia Jinhai New Energy Technology Co., Ltd."

Board of Directors of Inner Mongolia Jinhai New Energy Technology Co., Ltd.

September 30, 2026