Exhibit A

JOINT FILING AGREEMENT

The undersigned agree that this Schedule 13G Amendment No. 4 dated February 11, 2025 relating to the Common Stock, par value $0.001 per share, of Marinus Pharmaceuticals, Inc. shall be filed on behalf of the undersigned.

 

SUVRETTA CAPITAL MANAGEMENT, LLC

 

By: /s/ Aaron Cowen

  Name: Aaron Cowen
  Title:   Authorized Signatory

 

 

 

AVERILL MASTER FUND, LTD.

 

By: /s/ Aaron Cowen

  Name: Aaron Cowen
  Title:   Director

 

 

 

AARON COWEN

 

By: /s/ Aaron Cowen

 

 

 

 

Exhibit B

CONTROL PERSON IDENTIFICATION

Suvretta Capital Management, LLC is the relevant entity for which Aaron Cowen is the control person.

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