COSCIENS Biopharma (CSCI) SC 13G Aeterna Zentaris / Lind Global Macro Fund 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 Shares, no par value per share, of Aeterna Zentaris 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 7, 2020

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