X0609 4 2026-08-05 0 0001767582 Luckin Coffee Inc. LKNCY 0001975310 Guo Jinyi true 28TH FL, BUILDING T3, HAIXI JINGU PLAZA 1-3 TAIBEI ROAD, SIMING DISTRICT XIAMEN F4 361008 CHINA 1 1 0 0 Chief Executive Officer 0 American Depositary Shares 2026-08-05 4 S 0 247070 36.5 D 510700 D American Depositary Shares 2026-08-06 4 S 0 49601 36.2 D 461099 D American Depositary Shares 2763000 I By Trust Each American Depositary Share ("ADS") represents eight Class A Ordinary Shares. The reported price in Column 4 is a weighted average price. These ADSs were sold in multiple transactions at prices ranging from $36.4 to $37.0 per ADS. The holder undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of ADSs sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.0 to $36.5 per ADS. The holder undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of ADSs sold at each separate price within the range set forth in this footnote. /s/ Jinyi Guo 2026-08-07