CETC New Materials: Controlling shareholder Wang Kunming plans to reduce holdings by no more than 3%

announcement of Set New Materials: As of the disclosure date, the controlling shareholder Wang Kunming holds 66.6913 million shares, accounting for 39.74%; due to personal funding needs, it is planned to reduce holdings by a total of no more than 5.0344 million shares through block trading and centralized bidding, not exceeding 3.00%. Among them, the reduction through block trading will not exceed 3.3563 million shares, not exceeding 2.00% continuously for any 90 days; the reduction through centralized bidding will not exceed 1.6781 million shares, not exceeding 1.00% continuously for any 90 days; the reduction period is from January 20, 2026 to April 19, 2026.