Sanxia New Material: jointly invest with related parties in the Lingang Automotive and Electronic Glass Project, with a total investment of approximately 2.6 billion yuan.

Announcement of Three Gorges New Material: The company and its indirect controlling shareholder Yichang State-owned Capital Investment Holding Group Co., Ltd. jointly invested in the Three Gorges New Material Lingang Automotive and Electronic Glass Project, with a total investment of approximately 2.6 billion yuan, of which the investment from the listed company is not less than 1.04 billion yuan. This transaction constitutes a related party transaction, but does not constitute a major asset restructuring. The company convened an interim board meeting on July 9, 2026, and the relevant proposal was approved by a vote of 8 in favor, 0 against, 0 abstentions, and 1 recusal. The project plans to construct a production line for automotive/electronic glass with one furnace and three lines, and a production line for super white automotive energy-saving glass with one furnace and two lines, aiming to promote the transformation and upgrading of the company's products from architectural glass to high-end special glass such as electronic-grade thin glass, automotive glass, and ultra-white industrial glass.