144 0001666600 XXXXXXXX LIVE 0001323885 AtriCure, Inc. 000-51470 7555 INNOVATION WAY MASON OH 45040 513-755-4100 Noznesky Justin J Officer COMMON RBC CAPITAL MARKETS LLC

250 NICOLLET MALL, SUITE 1700 MINNEAPOLIS MN 55401

6182 239882.00 50866294 07/29/2026 NASDAQ COMMON 03/01/2023 STOCK GRANT ISSUER N 2712 03/01/2023 N/A COMMON 03/01/2024 STOCK GRANT ISSUER N 3470 03/01/2024 N/A Y 07/29/2026 POA / JEFFREY EISCHENS