Hongbo New Materials: Controlling shareholder and director Lin Qingsong completed the reduction of 650,000 shares.

Hongbao New Materials announced that the company's controlling shareholder and director Lin Qingsong reduced holdings of 650,000 shares on June 25, 2026 through centralized bidding, accounting for 0.08% of the total share capital of the company. The reduction price was 13.07 yuan per share, with a total reduction amount of 8.4955 million yuan. After the reduction, Lin Qingsong holds 1.9652 million shares of the company, accounting for 0.25%. This reduction plan has been completed and is in compliance with relevant regulations.