Lind Global Fund II SC 13G GSE SYSTEMS / Lind Global Fund II ownership change

Exhibit 99.1

JOINT FILING AGREEMENT

The undersigned hereby agree that a single Schedule 13G (or any amendment thereto) relating to the Common Stock, par value $0.01 per share, of GSE Systems, 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.

December 12, 2023

LIND GLOBAL FUND II LP
By:	Lind Global Partners II LLC
	its General Partner
By:	/s/ Jeff Easton
Name:	Jeff Easton
Title:	Managing Member
LIND GLOBAL PARTNERS II LLC
By:	/s/ Jeff Easton
Name:	Jeff Easton
Title:	Managing Member
JEFF EASTON
By:	/s/ Jeff Easton