Joint Filer Information

 

Names: Deerfield Management Company, L.P., Deerfield Private Design Fund III, L.P., Deerfield Mgmt III, L.P., Deerfield Healthcare Innovations Fund, L.P., Deerfield Mgmt HIF, L.P., Deerfield Private Design Fund IV, L.P., Deerfield Mgmt IV, L.P., Deerfield Partners, L.P. and Deerfield Mgmt, L.P.
   
Address:

345 Park Avenue South, 12th Floor

New York, NY  10010

   
Designated Filer: James E. Flynn
   
Issuer and Ticker Symbol: Larimar Therapeutics, Inc.  [LRMR]
   
Date of Event Requiring Statement: July 31, 2025

 

The undersigned, Deerfield Management Company, L.P., Deerfield Private Design Fund III, L.P., Deerfield Mgmt III, L.P., Deerfield Healthcare Innovations Fund, L.P., Deerfield Mgmt HIF, L.P., Deerfield Private Design Fund IV, L.P., Deerfield Mgmt IV, L.P., Deerfield Partners, L.P. and Deerfield Mgmt, L.P. are jointly filing the attached Statement of Changes in Beneficial Ownership on Form 4 with James E. Flynn with respect to the beneficial ownership of securities of Larimar Therapeutics, Inc.

 

Signatures:

 

   

DEERFIELD MANAGEMENT COMPANY, L.P.

 

By: Deerfield UGP, LLC, General Partner

 

By: /s/ Jonathan Isler

Jonathan Isler, Attorney-In-Fact

 DEERFIELD PRIVATE DESIGN FUND III, L.P.

 

By: Deerfield Mgmt III, L.P., General Partner

By Deerfield UGP, LLC, General Partner

 

By: /s/ Jonathan Isler

Jonathan Isler, Attorney-In-Fact

 

DEERFIELD MGMT III, L.P.

 

By Deerfield UGP, LLC, General Partner

 

By: /s/ Jonathan Isler

Jonathan Isler, Attorney-In-Fact

 

DEERFIELD HEALTHCARE INNOVATIONS FUND, L.P.

 

By: Deerfield Mgmt HIF, L.P., General Partner

By: Deerfield UGP, LLC, General Partner

 

By: /s/ Jonathan Isler

Jonathan Isler, Attorney-In-Fact

 

DEERFIELD MGMT HIF, L.P.

 

By: Deerfield UGP, LLC, General Partner

 

By: /s/ Jonathan Isler

Jonathan Isler, Attorney-In-Fact

DEERFIELD PRIVATE DESIGN FUND IV, L.P.

 

By: Deerfield Mgmt IV, L.P., General Partner

By: Deerfield UGP, LLC, General Partner

 

By: /s/ Jonathan Isler

Jonathan Isler, Attorney-In-Fact

 

DEERFIELD MGMT IV, L.P.

 

By Deerfield UGP, LLC, General Partner

 

By: /s/ Jonathan Isler

Jonathan Isler, Attorney-In-Fact

DEERFIELD PARTNERS, L.P.

 

By: Deerfield Mgmt, L.P., General Partner

By: Deerfield UGP, LLC, General Partner

 

By: /s/ Jonathan Isler

Jonathan Isler, Attorney-In-Fact

 

DEERFIELD MGMT, L.P.

 

By: Deerfield UGP, LLC, General Partner

 

By: /s/ Jonathan Isler

Jonathan Isler, Attorney-In-Fact