Lushan New Materials: Shareholders Wang Jiasheng and Lushan Information plan to reduce their holdings by 3% and 0.13% respectively.

Deer Mountain New Materials Announcement: As of the disclosure date of this announcement, Deer Mountain Information holds 1,810,900 shares, accounting for 1.12%; Wang Jiasheng holds 47,869,500 shares, accounting for 29.62%. Deer Mountain Information and Wang Jiasheng plan to collectively reduce their holdings by no more than 4,849,000 shares within 3 months after 15 trading days from the date of this announcement, through centralized bidding and block trading, or no more than 3% of the total share capital of the company. Among them, centralized bidding will not exceed 1,616,300 shares, and block trading will not exceed 3,232,700 shares; Deer Mountain Information plans to reduce its holdings by no more than 210,100 shares, while Wang Jiasheng plans to reduce its holdings by no more than 4,638,900 shares. The reduction period is from March 10, 2026 to June 9, 2026, and the reduction price will be determined based on the market price.