Sait New Material: Core technical staff member Yu Xiyi resigns, does not affect company research and development.

Set New Materials announced that its core technical staff member Yu Xiyou has resigned for personal reasons, has completed the resignation procedures, and no longer holds any position in the company. As of the disclosure date of the announcement, he does not hold any shares of the company and has completed the handover of work. The ownership of patents applied for during his tenure belongs to the company, and there is no dispute over the results of his duties. Yu Xiyou must abide by confidentiality and non-compete agreements, and no violations have been found at present. The company stated that his resignation will not have a substantial impact on the company's technological research and development, operation, and competitiveness, and the company will increase the recruitment and training of R&D personnel. After the change, the core technical staff members are Wang Kunming, Xie Zhengang, and Chen Jingming.