Exhibit 99.1 Materialise Reports First Quarter 2025 Results LEUVEN, Belgium--(BUSINESS WIRE)—April 24, 2025 -- Materialise NV (NASDAQ:MTLS), a leading provider of additive manufacturing and medical software and of sophisticated 3D printing services, today announced its financial results for the first quarter ended March 31, 2025. Highlights – First Quarter 2025 CEO Brigitte de Vet-Veithen commented, "Amidst the current macro-economic and geo-political turbulence, we managed to grow our consolidated revenue ...