Announcement on the Self-Inspection Report of Trading of Stocks by Relevant Parties in the Transaction

Northern Longyuan New Material Technology Co., Ltd.

Announcement on the Self-Inspection Report of Trading of Stocks by Relevant Parties in the Transaction

The Company and the entire Board of Directors guarantee that the information disclosed is true, accurate, and complete, and contains no false records, misleading statements, or major omissions.

Northern Longyuan New Material Technology Co., Ltd. (hereinafter referred to as "Northern Longyuan", "the Company", or "Listed Company") intends to acquire 51.00% of the shares of Shenyang Shunyi Technology Co., Ltd. (hereinafter referred to as "Shunyi Technology" or "the Target Company") by paying cash. If this transaction is successfully completed, Shunyi Technology will become a controlling subsidiary of the Company.

This transaction constitutes a major asset restructuring as stipulated in the "Measures for the Administration of Major Asset Restructuring of Listed Companies". This transaction does not involve the issuance of shares by the Company, nor will it result in a change of the Company's controlling shareholder and actual controller. The Company will follow the relevant procedures and prepare and disclose relevant documents in accordance with relevant regulations.

In accordance with the "Securities Law of the People's Republic of China", the "Measures for the Administration of Major Asset Restructuring of Listed Companies", the "Disclosure Content and Format Standards for Public Offering of Securities by Companies No. 26 - Major Asset Restructuring of Listed Companies", and the "Regulatory Rule Application Guidelines - Listed Companies No. 1", among other laws and regulations, the Company has conducted insider information registration and self-inspection for the relevant parties to this transaction. The relevant situation of this self-inspection is as follows:

I. Scope of Self-Inspection of Insider Information Insiders and Stock Trading by Relevant Parties in this Transaction

The scope of self-inspection of insider information insiders and stock trading for this transaction is as follows:

1. The Company and its directors, senior management personnel, and relevant informed personnel;

2. The controlling shareholder of the Company, the actual controller, and their directors, supervisors, senior management personnel, and relevant informed personnel;

3. The counterparty to the transaction, its controlling shareholder, actual controller, directors, supervisors, senior management personnel (or principal responsible persons), and relevant informed personnel;

4. The Target Company and its directors, supervisors, senior management personnel, and relevant informed personnel;

5. Relevant intermediary agencies and their business handlers;

6. Other legal persons and natural persons who are aware of the insider information of this transaction;

7. Direct relatives of the above-mentioned natural persons, including spouses, parents, and adult children.

II. Self-Inspection Period for Trading of Listed Company Stocks by Relevant Parties in this Transaction

In accordance with Article 72 of the "Disclosure Content and Format Standards for Public Offering of Securities by Companies No. 26 - Major Asset Restructuring of Listed Companies", the self-inspection period for trading of listed company stocks by relevant parties in this transaction is: the 6 months prior to the disclosure of the notice of the transaction by the listed company to the day before the disclosure of the restructuring report, i.e., from July 8, 2025, to April 23, 2026.