ST: Repurchased 4.2 million shares with a total amount of 20.66 million yuan.

ST ZT Announcement: The company's board of directors approved a share buyback plan on May 14, 2024, with a planned fund size of 20 million to 40 million yuan, to repurchase shares through centralized bidding for equity incentives or employee shareholding plans. As of May 13, 2025, the company has repurchased a total of 4.2 million shares at a price range of 3.78 yuan/share to 5.65 yuan/share, using a total of 20.66 million yuan. This buyback represents 0.68% of the total share capital of the company, with a buyback period of 12 months and funds coming from internal sources. After the buyback is completed, the shares will be held in a dedicated securities account for future equity incentives or employee shareholding plans.