严牌股份：控股股东持股比例增至60.00%

Group 1 - The controlling shareholder, Tiantai Southwest Investment Management Co., Ltd., increased its stake in the company by acquiring 7.5105 million shares, representing 3.60% of the total share capital, with a total investment of 70.8972 million yuan during the period from January 6, 2025, to April 16, 2025 [1] - The company issued convertible bonds named "Yanpai Convertible Bonds," resulting in the conversion of 2.7463 million shares, which increased the total share capital to 209 million shares [1] - Following the equity changes, the controlling shareholder and its concerted parties increased their total shareholding from 11.8 million shares to 12.5 million shares, raising their ownership percentage from 57.15% to 60.00% [1]