BIO-RAD LABORATORIES, INC.

Bio-Rad Laboratories, Inc. (referred to in this report as Bio-Rad, we, us, the Company, and our ) is a multinational life science and clinical diagnostics company that develops, manufactures, and markets a broad portfolio of instruments, systems, reagents, and consumables. We have direct operations in over 36 countries outside the United States through subsidiaries focused on sales, customer service, and product distribution. In certain locations outside and within these countries, our sales efforts are supplemented by distributors and agents. Description of Business Business Segments Bio-Rad operates in two industry segments designated as Life Science and Clinical Diagnostics. Both segments operate worldwide. Our Life Science segment and our Clinical Diagnostics segment generated approximately 40% and 60%, respectively, of our consolidated net sales for the year ended December 31, 2025. We generated approximately 40% of our consolidated net sales for the year ended December 31, 2025 from the U.S. and approximately 60% from our international locations, with Europe being our largest international region. 3 Life Science Segment Our Life Science segment develops, manufactures, and markets instruments, systems, reagents, and consumables used to separate, purify, characterize, and quantify biological materials, including cells, proteins, and nucleic acids. These products are utilized in research and biopharmaceutical laboratory environments, as well as in biopharmaceutical manufacturing, quality control processes, food safety testing, and science education applications.