Exhibit 99.1 Nautilus Biotechnology Reports Second Quarter 2026 Financial Results SEATTLE, WA, July 28, 2026 – Nautilus Biotechnology, Inc. (NASDAQ: NAUT), a company pioneering a single-molecule proteome analysis platform, today reported financial results for the second quarter ended June 30, 2026. Second Quarter 2026 Business Highlights Programs & Roadmap Update In Q1, we launched our Iterative Mapping Early Access program, a services-based program designed to bring Iterative Mapping applications to custom ...