Exhibit 99.1 Press Release Bio-Rad Reports Second-Quarter 2025 Financial Results HERCULES, Calif.—July 31, 2025 -- 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 second quarter ended June 30, 2025. Norman Schwartz, Bio-Rad's Chairman and Chief Executive Officer, stated: "In a highly dynamic environment, we delivered solid quarterly results, both in terms of revenue and operating margin, t ...