热景生物：关于持股5%以上股东权益变动触及1%刻度的提示性公告

Group 1 - The core point of the announcement is that a shareholder, Zhou Xin, has reduced his stake in the company, Hotgen Biotech, by 1% [2][3] - Zhou Xin sold a total of 940,600 shares from July 24 to July 28, 2025, decreasing his holdings from 6.96% to 5.95% of the total share capital [2] - This reduction in shareholding is part of a previously disclosed plan and does not trigger a mandatory tender offer as it does not involve the company's controlling shareholder [3] Group 2 - The announcement confirms that there are no concerted actions among the reducing shareholder and other parties [2] - The company will continue to monitor shareholder equity changes and fulfill its information disclosure obligations in accordance with relevant laws and regulations [3] - The announcement was made by the board of directors of Beijing Hotgen Biotech Co., Ltd. on July 30, 2025 [5]