Securities code: 688199 Securities abbreviation: Jiuri New Materials Announcement No.: 2024-059

Tianjin Jiuri New Materials Co., Ltd

About the fundraising project "Xuzhou Dajing New Material Technology Group Co., Ltd

4,500 tons per year photoresist project" was put into production

The board of directors and all directors of the company guarantee that there are no false records, misleading statements or material omissions in the content of this announcement, and assume legal responsibility for the authenticity, accuracy and completeness of its content in accordance with the law.

The "Xuzhou Dajing New Material Technology Group Co., Ltd. with an annual output of 4,500 tons of photoresist project" invested and constructed by Tianjin Jiuri New Materials Co., Ltd. (hereinafter referred to as the Company) in Xuzhou Dajing New Material Technology Group Co., Ltd., a holding company, has completed the construction, and the trial production plan has been reviewed and approved by the expert group, and will officially enter the trial production stage from November 19, 2024.

The project is an annual production of 4,000 tons of panel photoresist and 500 tons of semiconductor photoresist

The company's measures to "take the light-curing industry as the core and the semiconductor industry as the focus" are the results of the company's insistence on innovation and continuous investment, which will promote the industrialization process of the company's photoresist products, realize the large-scale production of the company's photoresist products, increase new profit growth points, and enhance the company's profitability and comprehensive competitiveness.

As of the disclosure date of this announcement, the company has developed a variety of semiconductor i-line photoresists, light-emitting diode g-line/H-line photoresists and panel photoresists, and has entered the stage of sample delivery and testing by downstream customers, and some of the products have been officially supplied through the test.

Photoresist products have a long testing and verification cycle, and it takes a certain amount of time to generate large-scale benefits, and there is a risk that the product verification effect is not as expected or the verification fails. At the same time, it takes a process and time from the trial production stage to the release of production capacity, and even if it is fully operational, it may face the impact of factors such as changes in the market demand environment and intensified competition, resulting in the risk that the project revenue is less than expected. The company will actively promote relevant work, actively communicate and coordinate, take effective measures to solve problems, and ensure that the products can be fully verified in downstream customers as soon as possible and large-scale production will be carried out as soon as possible. Please pay attention to the investment risks.

The announcement is hereby made.

Board of Directors of Tianjin Jiuri New Materials Co., Ltd

November 20, 2024