Exhibit A

Joint Filing Agreement

 

The undersigned hereby agree that this Statement on Schedule 13G with respect to the beneficial ownership of shares of Common Stock of VistaGen Therapeutics, Inc. is filed jointly, on behalf of each of them. 

     
  Rosalind Advisors, Inc.
  By: /s/ Steven Salamon
  Name: Steven Salamon
  Title: President
   
  Rosalind Master Fund L.P.
  By:  /s/ Mike McDonald
  Name: Mike McDonald
  Title: Director, Rosalind (Cayman) Ltd. (as General Partner to Rosalind Master Fund)
   
  By: /s/ Steven Salamon
  Name: Steven Salamon