Pivotal bioVenture Partners Fund I SC 13D Inozyme Pharma / Pivotal bioVenture Partners Fund I ownership change

Exhibit 1

JOINT FILING AGREEMENT

The persons below hereby agree that the Schedule 13D to which this agreement is attached as an exhibit, as well as all future amendments to such Schedule 13D, shall be filed jointly on behalf of each of them. This agreement is intended to satisfy the requirements of Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934.

Dated: April 28, 2022

PIVOTAL BIOVENTURE PARTNERS FUND I, L.P.
By: PIVOTAL BIOVENTURE PARTNERS FUND I G.P., L.P. Its General Partner,
By: PIVOTAL BIOVENTURE PARTNERS FUND I U.G.P., LTD. Its General Partner,
By:	/s/ Robert Hopfner
	Robert Hopfner
	Authorized Signatory
PIVOTAL BIOVENTURE PARTNERS FUND I G.P., L.P.
By: PIVOTAL BIOVENTURE PARTNERS FUND I U.G.P., LTD Its General Partner,
By:	/s/ Robert Hopfner
	Robert Hopfner
	Authorized Signatory
PIVOTAL BIOVENTURE PARTNERS FUND I U.G.P., LTD.
By:	/s/ Robert Hopfner
	Robert Hopfner
	Authorized Signatory
PIVOTAL PARTNERS LTD
By:	/s/ Sun Xintong
Name:	Sun Xintong
Title:	Director

PIVOTAL LIFE SCIENCES HOLDINGS LIMITED
By:	/s/ Sun Xintong
Name:	Sun Xintong
Title:	Director
NAN FUNG LIFE SCIENCES HOLDINGS LIMITED
By:	/s/ Sun Xintong
	Sun Xintong
	Director
NF INVESTMENT HOLDINGS LIMITED
By:	/s/ Tang Chun Wai Nelson
	Tang Chun Wai Nelson
	Director
NAN FUNG GROUP HOLDINGS LIMITED
By:	/s/ Tang Chun Wai Nelson
	Tang Chun Wai Nelson
	Director
By:	/s/ Cheung Vincent Sai Sing
	Cheung Vincent Sai Sing
	Director