11/25/20 GGV Capital V L.P. SC 13D/A 3:261K Niu Technologies Donnelley … Solutions/FA GGV Capital SELECT L.L.C.³ GGV Capital Select L.P.³ GGV Capital V Entrepreneurs Fund L.P.³ GGV Capital V L.L.C.³ Glenn Solomon³ Hans Tung³ Jeffrey Gordon Richards³ Jenny Hong Wei Lee³ Jixun Foo³ 11/13/20 GGV Capital V L.P. SC 13D/A 3:256K Niu Technologies Donnelley … Solutions/FA GGV Capital SELECT L.L.C.³ GGV Capital Select L.P.³ GGV Capital V Entrepreneurs Fund L.P.³ GGV Capital V L.L.C.³ Glenn Solomon³ Hans Tung³ Jeffrey Gordon Richards³ Jenny Hong Wei Lee³ Jixun Foo³ 10/23/20 GGV Capital V L.P. SC 13D/A 3:253K Niu Technologies Donnelley … Solutions/FA GGV Capital SELECT L.L.C.³ GGV Capital Select L.P.³ GGV Capital V Entrepreneurs Fund L.P.³ GGV Capital V L.L.C.³ Glenn Solomon³ Hans Tung³ Jeffrey Gordon Richards³ Jenny Hong Wei Lee³ Jixun Foo³ 10/19/20 GGV Capital V L.P. SC 13D/A 3:254K Niu Technologies Donnelley … Solutions/FA GGV Capital SELECT L.L.C.³ GGV Capital Select L.P.³ GGV Capital V Entrepreneurs Fund L.P.³ GGV Capital V L.L.C.³ Glenn Solomon³ Hans Tung³ Jeffrey Gordon Richards³ Jenny Hong Wei Lee³ Jixun Foo³ 10/5/20 GGV Capital V L.P. SC 13D/A 3:274K Niu Technologies Donnelley … Solutions/FA GGV Capital SELECT L.L.C.³ GGV Capital Select L.P.³ GGV Capital V Entrepreneurs Fund L.P.³ GGV Capital V L.L.C.³ Glenn Solomon³ Hans Tung³ Jeffrey Gordon Richards³ Jenny Hong Wei Lee³ Jixun Foo³