China United Network Communications Limited(600050) announcement: as of February 28, 2022, the company has repurchased 513314385 shares in total through centralized bidding, accounting for about 1.66% of the total share capital of the company. The highest purchase price is 4.57 yuan / share, the lowest price is 4.17 yuan / share, and the total amount paid is 220475528050 yuan (excluding stamp duty, transaction commission and other transaction expenses).