VNET [21Vianet] SC 13G: Item 1: Reporting Person – FMR LLC Item
[Item 1: Reporting Person - FMR LLC Item 4: Delaware Item 5: 11,120,850 Item 6: 0 Item 7: 18,847,476 Item 8: 0 Item 9: 18,847,476 Item 11: 10.413% Item 12: HC Cusip #90138A921 Item 1: Reporting Person - Edward C. Johnson 3d Item 5: 0 Item 6: 0 Item 7: 18,847,476 Item 8: 0 Item 9: 18,847,476 Item 11: 10.413%]