Business Description

Overview We are a global medical technology company that develops and produces a wide array of industry-leading monitoring technologies, including innovative measurements, sensors, and patient monitors. Powered by the Masimo Hospital Automation ™ and Masimo SafetyNet ® platforms, Masimo connectivity, automation, and telehealth and telemonitoring solutions are improving and automating care delivery in the hospital. Healthcare Our healthcare business develops, manufactures and markets a variety of noninvasive patient monitoring technologies, hospital automation ® and connectivity solutions, and remote monitoring devices. Our healthcare products and patient monitoring solutions generally incorporate a monitor or circuit board, proprietary single-patient use or reusable sensors, software and/or cables. We primarily sell our products to hospitals, emergency medical service providers, home care providers, physician offices, veterinarians, and long-term care facilities through our direct sales force, distributors and original equipment manufacturer (OEM) partners, such as GE Healthcare, Hillrom, Mindray, Philips, Physio-Control and Zoll, among others. Our core measurement technologies are our breakthrough Measure-through Motion and Low Perfusion ™ pulse oximetry, known as Masimo Signal Extraction Technology ® (SET ® ) pulse oximetry, and advanced rainbow ® Pulse CO-Oximetry parameters such as noninvasive hemoglobin (SpHb ® ), alongside many other modalities, including brain function monitoring, hemodynamic monitoring, regional oximetry, acoustic respiration rate monitoring, capnography and gas monitoring, and telehealth solutions. Our measurement technologies are available on many types of devices, from bedside hospital monitors like the Root ® Patient Monitoring and Connectivity Hub, to various handheld and portable devices, and to the tetherless Radius PPG ® , Radius VSM ® and Masimo SafetyNet ® remote patient surveillance solution. The Masimo Hospital Automation ® Platform facilitates data integration, connectivity and interoperability through solutions like Patient SafetyNet ™ , Iris ® , iSirona ® , Replica ® and UniView ® to facilitate more efficient clinical workflows and to help clinicians provide the best possible care, both in-person and remotely. 2 Table of Contents Non-healthcare As of December 28, 2024, the non-healthcare consumer business remained part of the Company’s continuing operations, but was being evaluated for divestiture. Subsequent to year end, the sales evaluation process continued to progress in early 2025, and as of March 29, 2025, the non-healthcare consumer business was classified as held-for-sale and reported as discontinued operations. On May 6, 2025, the Company announced that it entered into a definitive agreement to sell Viper Holdings Corporation, a Delaware corporation which previously owned and operated the Company’s non-healthcare business (together with its subsidiaries, “Sound United”) to Harman International Industries, Incorporated, a wholly-owned subsidiary of Samsung Electronics., Ltd. On September 23, 2025, the Company completed the sale of Sound United. For additional information with respect to the non-healthcare consumer business separation, discontinued operations of this business and sale, see “Separation of Non-Healthcare Operations” under Part I, Item 1—“Business” for additional details. Proposed Merger On February 16, 2026, the Company entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Danaher Corporation, a Delaware corporation (“Parent” or “Danaher”), and Mobius Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Parent (“Merger Sub”), pursuant to which, among other things, Merger Sub will merge with and into the Company (the “Merger”), with the Company continuing as the surviving corporation and a wholly owned subsidiary of Parent.…