Exhibit 99.1 Press Release Bio-Rad Reports First-Quarter 2026 Financial Results HERCULES, Calif.—April 30, 2026 -- Bio-Rad Laboratories, Inc. (NYSE: BIO and BIO.B), a global leader in life science research and clinical diagnostics products, today announced financial results for the first quarter ended March 31, 2026. Norman Schwartz, Bio-Rad's Chairman and Chief Executive Officer, stated: "Our first-quarter results reflected our resolve in navigating a dynamic environment. Despite external headwinds includi ...