AGREEMENT

EXHIBIT A

AGREEMENT

Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required by Schedule 13D need be filed with respect to the ownership by each of the undersigned of Common Stock of Passage BIO, Inc.

 

Date: ▇▇▇▇▇ ▇, ▇▇▇▇				▇▇▇▇▇▇▇ LIFE SCIENCES IX, L.P.
				By FHMLS IX, L.P., its general partner
				By FHMLS IX, L.L.C., its general partner
				By:		/s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇
						▇▇▇▇▇ ▇. ▇▇▇▇▇▇, Chief Financial Officer
Date: March 9, 2020				FHMLS IX, L.P.
				By FHMLS IX, L.L.C., its general partner
				By:		/s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇
						▇▇▇▇▇ ▇. ▇▇▇▇▇▇, Chief Financial Officer
Date: March 9, 2020				FHMLS IX, L.L.C.
				By:		/s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇
						▇▇▇▇▇ ▇. ▇▇▇▇▇▇, Chief Financial Officer
Date: March 9, 2020				By:		*
						▇▇▇▇▇ ▇▇▇▇▇▇
Date: March 9, 2020				By:		*
						▇▇▇▇▇▇▇ ▇▇▇▇▇
Date: March 9, 2020				*By:		/s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇
						▇▇▇▇▇ ▇. ▇▇▇▇▇▇, as Attorney-in-Fact

This Agreement was executed by ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ on behalf of the individuals listed above pursuant to a Power of Attorney, a copy of which was filed with the SEC on July 31, 2017.