LakeShore Biopharma SC 13G/ASummit Healthcare Acquisition / CANTOR FITZGERALD SECURITIES ownership change

EXHIBIT 99.1

JOINT FILING AGREEMENT

Each of the undersigned hereby acknowledges and agrees, in compliance with the provisions of Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, that the Schedule 13G to which this Agreement is attached as an Exhibit, and any amendments thereto, will be filed with the Securities and Exchange Commission jointly on behalf of the undersigned. This Agreement may be executed in one or more counterparts.

Date: February 14, 2023

[Schedule 13G – Summit Healthcare Acquisition Corp.– February 2023]