SCHEDULE A
BOARD OF DIRECTORS AND EXECUTIVE OFFICERS OF QUANTERIX
The name, present principal occupation or employment and citizenship of each member of the Board of Directors and each executive officer of Quanterix are as set forth below. Unless otherwise indicated, each occupation set forth opposite an individual’s name refers to a position with Quanterix. The business address of each of the below individuals is c/o Quanterix Corporation, 900 Middlesex Turnpike, Billerica, Massachusetts 01821.
| Name | Present Principal Occupation or Employment | Citizenship |
| Masoud Toloue | President and Chief Executive Officer and Director, Quanterix | United States |
| Vandana Sriram | Chief Financial Officer | United States |
| William P. Donnelly | Director, Quanterix; Lead Director, Ingersoll Rand; Director, TRowe Price | United States |
| Jeffrey T. Elliott | Director, Quanterix; Senior Advisor, Boston Consulting Group | United States |
| Karen A. Flynn | Director, Quanterix; Director, Sotera Health Company; Director, GermFree Laboratories | United States |
| Sarah E. Hlavinka | Director, Quanterix; Executive Vice President, Chie Legal Officer and Corporate Secretary, The ODP Corporation | United States |
| Ivana Magovčević-Liebisch | Director, Quanterix; President and Chief Executive Officer, Vigil Neuroscience | United States |
| Martin Madaus | Director, Quanterix; Operating Executive, The Carlyle Group | United States |
| Paul M. Meister | Director, Quanterix; Partner, Novalis LifeSciences; Co-Founder and Chief Executive Officer, Liberty Lane Partners, LLC | United States |
| David R. Walt | Director, Quanterix; Hansjörg Wyss Professor of Biologically Inspired Engineering and Professor of Pathology, Harvard Medical School | United States |
