Form 4 Filing by Qiu Wenbin for Baozun Inc.

Qiu Wenbin, Chief Executive Officer and Director of Baozun Inc., reported the acquisition of 10,000 American Depositary Shares on June 1, 2026, at a weighted-average price of $2.73 per share. The shares were acquired indirectly through JESFUND (SINGAPORE) PTE. LTD., a company wholly owned by Mr. Wenbin. Following this transaction, his post-transaction shares held through this entity amounted to 1,483,872. An additional 10,000 American Depositary Shares were acquired on June 2, 2026, at a weighted-average price of $2.69 per share, bringing the total post-transaction shares held indirectly to 1,493,872. The purchases were part of multiple transactions with prices ranging from $2.69 to $2.74. Mr. Wenbin has committed to providing detailed information on the number of shares purchased at each specific price upon request.