Announcement of Ningxia Building Materials on Participating in the Activities of Collective Reception Day for Investors of Listed Companies in Ningxia Jurisdiction and Convening the Company's Performa

Stock Code: 600449 Stock Abbreviation: Ningxia Building Materials Announcement No.: 2026-021 Announcement of Ningxia Building Materials Group Co., Ltd. on Participating in the Collective Reception Day for Investors of Listed Companies in Ningxia Jurisdiction and Convening the Company's First Quarterly Results Presentation in 2026 The board of directors and all directors of the Company guarantee that there are no false records, misleading statements or material omissions in this announcement, and assume legal responsibility for the authenticity, accuracy and completeness of its contents. In order to further strengthen the interaction with investors, Ningxia Building Materials Group Co., Ltd. (Hereinafter referred to as the company) will participate in the "2025 Annual Performance Explanation Meeting of Listed Companies in Ningxia Jurisdiction and Investors" sponsored by Ningxia Securities Regulatory Bureau and co-sponsored by Ningxia Association of Listed Companies and Shenzhen Panoramic Network Co., Ltd. At the same time, the Company will hold a presentation of the results for the first quarter of 2026, and hereby announces the relevant matters as follows: The event will be held remotely through the Internet. Investors may log on to the website of "Panorama Roadshow" (https://rs.p5w.net), or follow the official account of WeChat: Panorama Finance, or download the APP of Panorama Roadshow. Participate in this interactive exchange from 14:00 to 17:00 on Monday, May 18, 2026. At that time, the president, the chief financial officer and the secretary of the board of directors of the Company (if there are special circumstances, the participants may be adjusted) will communicate and exchange with investors online on issues of concern to investors such as the Company's performance in 2025 and the first quarter of 2026, corporate governance, development strategy, operating conditions and sustainable development. Investors are welcome to actively participate! Hereby announce. Ningxia Building Materials Group Co., Ltd. May 8