Exhibit 99.1
JOINT FILING AGREEMENT
Each of the undersigned hereby agrees that the statement on Schedule 13G with respect to the ordinary shares of YS Biopharma Co., Ltd., dated as of February 14, 2024 is, and that any amendments thereto shall be, filed by each of the undersigned pursuant to and in accordance with Rule 13d-1(k)(1) under the Securities and Exchange Act of 1934, as amended.
Date: February 14, 2024
| All Brilliance Investments Limited | ||
| By: | /s/ Yi ZHANG | |
| Name: Yi ZHANG | ||
| Title: Director | ||
| /s/ Yi ZHANG | ||
| Name: Yi ZHANG | ||
| Hopeful World Company Limited | ||
| By: | /s/ Rui MI | |
| Name: Rui MI | ||
| Title: Director | ||
| /s/ Rui MI | ||
| Name: Rui MI | ||
| Acton Town International Limited | ||
| By: | /s/ Nan ZHANG | |
| Name: Nan ZHANG | ||
| Title: Director | ||
| /s/ Nan ZHANG | ||
| Name: Nan ZHANG | ||
| Apex Pride Global Limited | ||
| By: | /s/ Yi ZHANG | |
| Name: Yi ZHANG | ||
| Title: Director | ||
| /s/ Xu ZHANG | ||
| Name: Xu ZHANG | ||
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