Exhibit 99.1

Joint Filing Agreement

The undersigned hereby agree that the Statement on Schedule 13G dated August 11, 2020 with respect to the shares of Common Stock of Actinium Pharmaceuticals, Inc., and any further amendments thereto executed by each and any 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)(1) under the Securities Exchange Act of 1934, as amended.

Dated: August 11, 2020

Bigger Capital Fund, LP   Bigger Capital Fund GP, LLC
     
By: Bigger Capital Fund GP, LLC, its general partner   By:

/s/ Michael Bigger

        Michael Bigger
By:

/s/ Michael Bigger

    Managing Member
  Michael Bigger      
  Managing Member      
      District 2 Capital LP
         
District 2 Capital Fund LP   By:

/s/ Michael Bigger

        Michael Bigger
By: District 2 GP LLC, its general partner     Managing Member
         
By:

/s/ Michael Bigger

     
  Michael Bigger   District 2 Holdings LLC
  Managing Member      
      By:

/s/ Michael Bigger

        Michael Bigger
District 2 GP LLC     Managing Member
         
By:

/s/ Michael Bigger

     
  Michael Bigger  

/s/ Michael Bigger

  Managing Member   Michael Bigger
       
       
     

/s/ Patricia Winter

      PATRICIA WINTER
       
       
     

/s/ Eric Schlanger

      ERIC SCHLANGER