Exhibit 99.1 NIO Inc. Reports Unaudited Fourth Quarter and Full Year 2023 Financial Results Quarterly Total Revenues reached RMB17,103.2 million (US$2,408.9 million) Quarterly Vehicle Deliveries were 50,045 units Full Year Total Revenues reached RMB55,617.9 million (US$7,833.6 million) Full Year Vehicle Deliveries were 160,038 units SHANGHAI, China, March 5, 2024 (GLOBE NEWSWIRE) -- NIO Inc. (NYSE: NIO; HKEX: 9866; SGX: NIO) (“NIO” or the “Company”), a pioneer and a leading company in the premium smart elec ...