理工能科：累计回购股份数量1221.13万股，占公司总股本的3.22%

Group 1 - The company has repurchased a total of 12.2113 million shares, accounting for 3.22% of its total share capital [1] - The maximum transaction price for the repurchased shares was 14.42 yuan per share, while the minimum transaction price was 11.72 yuan per share [1] - The total amount spent on the share repurchase was 161 million yuan, excluding transaction fees [1]