144 0002109480 XXXXXXXX LIVE 0001736541 NIO Inc. 001-38638 Building 19, No. 1355 Caobao Road, Minhang District Shanghai F4 200233 86-21-69082018 Xin Zhou Officer American depositary shares (each representing one Class A ordinary share) The Core Securities Company Limited

Suite C, 20/F, Standard Chartered Bank Building 4-4A Des Voeux Road Central Central K3 999077

100000 560000.00 2357167022 06/01/2026 NYSE American depositary shares (each representing one Class A ordinary share) 06/01/2026 Vesting of restricted share units granted pursuant to the Issuer's Share Incentive Plan NIO Inc. N 100000 06/01/2026 Vesting of restricted share units Y The securities set forth herein are being sold pursuant to a sell-to-cover arrangement for the purpose of satisfying income tax liabilities incurred upon vesting of restricted share units only. The securities covered by this filing will be sold today or within three months from the date of this filing. 06/01/2026 /s/ Eve Tang, Attorney-in-Fact for Xin Zhou