Exhibit A
Joint Filing Agreement
The undersigned hereby agree that this Statement on Schedule 13G with respect to the beneficial ornership of shares of Common Stock of OPTINOSE, INC. is filed jointly, on behalf of each of them.
Rosalind Advisors, Inc.
By: _____________________________
Name: Steven Salamon
Title: President
Rosalind Malter Fund L.P.
By: _____________________________
Name: Mike McDonald
Title: Director, Rosalind (Cayman) Ltd. (as General Partner to Rosalind Master Fund)
By: _____________________________
Name: Steven Salamon
NYC#: 139632.2