Exhibit 99.1

JOINT FILING AGREEMENT
 
The undersigned hereby agree that a single Schedule 13G (or any amendment thereto) relating to the Common Shares of DEFSEC Technologies Inc. shall be filed on behalf of each of the undersigned and that this Agreement shall be filed as an exhibit to such Schedule 13G.
 
July 15, 2026
 
LIND GLOBAL FUND III LP
   
By:
 
Lind Global Partners III LLC
 
 
its General Partner
   
By:
  
/s/ Jeff Easton
Name:
 
Jeff Easton
Title:
 
Managing Member
 
LIND GLOBAL PARTNERS III LLC
   
By:
 
/s/ Jeff Easton
Name:
 
Jeff Easton
Title:
 
Managing Member
 
JEFF EASTON
 
By:
 
/s/ Jeff Easton