EXHIBIT A

JOINT FILING AGREEMENT

The undersigned hereby agree that the statement on Schedule 13G with respect to the Ordinary Shares of Lakefront Biotherapeutics NV dated as of June 23, 2026 is, and any further amendments thereto signed by each of the undersigned shall be, filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k)(2) under the Securities Exchange Act of 1934, as amended.

Dated: June 23, 2026

Madison Avenue International LP

 

 

By: /s/ Eli Samaha              

    Eli Samaha, as Manager of Madison Avenue GP, LLC, its General Partner

 

 

Madison Avenue Partners, LP

 

 

By: /s/ Eli Samaha              

    Eli Samaha, as Managing Member of EMAI Management, LLC, its General Partner

 

 

EMAI Management, LLC

 

 

By: /s/ Eli Samaha              

    Eli Samaha, as Managing Member

 

 

Madison Avenue GP, LLC

 

 

By: /s/ Eli Samaha               

    Eli Samaha, as Manager

 

 

Caraway Jackson Investments LLC

 

 

By: /s/ Eli Samaha               

    Eli Samaha, as Member

 

 

/s/ Eli Samaha                      

Eli Samaha