Exhibit 99.1 LeMaitre Q1 2026 Financial Results BURLINGTON, MA, May 5, 2026 – LeMaitre Vascular, Inc. (Nasdaq: LMAT), a provider of vascular devices, implants, and services, today reported Q1 2026 results, announced a quarterly dividend of $0.25/share, and provided guidance. Q1 2026: Artegraft grew 36% worldwide in Q1, bolstered by its international launch. Grafts (+20%), valvulotomes (+15%), and carotid shunts (+11%) each posted record sales. The three geographies also posted records: EMEA (+20%), APAC (+1 ...