Notice of 2025 Annual Online Performance Briefing

Sanbian Sci-Tech Co., Ltd. Notice of 2025 Annual Online Performance Briefing Stock Code: 002112 Stock Abbreviation: Sanbian Sci-Tech Announcement No.: 2026-014 Sanbian Sci-Tech Co., Ltd. Notice of 2025 Annual Online Performance Briefing The Company and all members of the Board of Directors guarantee the truthfulness, accuracy, and completeness of the information disclosed in this announcement, and that there are no false records, misleading statements, or material omissions. Sanbian Sci-Tech Co., Ltd. (hereinafter referred to as the "Company") disclosed the "2025 Annual Report" and the "2025 Annual Report Summary" on the Juchao Information Network (http://www.cninfo.com.cn/) on April 25, 2026. To enable investors to have a better understanding of the Company's 2025 annual operating performance, the Company will hold an online performance briefing on May 12, 2026 (Tuesday) from 15:00 to 17:00. This online briefing will be conducted remotely via the internet, and investors can participate in interactive exchanges through the following methods. To widely solicit investors' opinions and suggestions, questions will be collected from investors in advance, and the channel for questions will be open from the date of this announcement. Method 1: Search for the "Yuediao" WeChat mini-program in WeChat. Method 2: Scan the following QR code with WeChat: [Image: QR code] Investors can participate in the exchange by following the prompts and authorizing login to the "Yuediao" mini-program. Attendees of this online briefing will include: Mr. Xie Weishi, Chairman of the Company; Mr. Liu Yerlai, Financial Officer; Ms. Wang Maosong, Independent Director; and Ms. Yang Qun, Secretary of the Board of Directors. We sincerely invite all investors to actively participate. Hereby announced. Sanbian Sci-Tech Co., Ltd. Board of Directors [blank]