Shengyang Technology: Relevant personnel received a warning letter from the Zhejiang Securities Regulatory Bureau.

Shengyang Technology Announcement: The company's relevant personnel received a warning letter from the Zhejiang Securities Regulatory Bureau on December 26, 2025. It was found that during the non-public offering of A-shares in 2019, the relevant personnel signed profit protection agreements with some of the subscribers in December 2020, which violated Article 17 of the "Administrative Measures for Securities Issuance and Underwriting." The Securities Regulatory Bureau has decided to take administrative supervision measures by issuing a warning letter to the relevant personnel and recording it in the integrity file of the securities and futures market.