EXHIBIT A
JOINT FILING AGREEMENT
The undersigned hereby agree that the statement on Schedule 13G with respect to the shares of Common Stock, par value NIS $0.01 per share, of Tonix Pharmaceuticals Holding Corp. dated as of June       , 2018 is, and any amendments thereto signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.
Date: June 19, 2018
REGALS CAPITAL MANAGEMENT LP
By: Regals Capital Holdings LLC,
           its general partner
 
 
By:  /s/ David M. Slager
        Name:  David M. Slager
        Title:    Managing Member
 
 
REGALS FUND LP
By: Regals Fund GP LLC, its general partner
 
  
 
By:  /s/ David M. Slager
        Name:  David M. Slager
        Title:    Managing Member
 
  
 
DAVID M. SLAGER
 
  
 
By:  /s/ David M. Slager
        Name:  David M. Slager