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Expanding opportunities for organ transplantation worldwide and contributing to the advancement of transplant medicine

Oxford, England and Madison, New Jersey– August 25, 2025 – 

Terumo Corporation (TSE: 4543, “Terumo”) today announced that Terumo has entered into a definitive agreement dated August 23, 2025, with OrganOx Limited (“OrganOx” or the “Company”), a leading innovator in organ preservation devices, and its shareholders to acquire all outstanding shares of OrganOx. Upon completion of the transaction, OrganOx will become a wholly owned subsidiary of Terumo. The total transaction value is approximately USD $1.5 billion*1.

Founded in 2008 by Professor Peter Friend and Professor Constantin Coussios as a spin-off from the University of Oxford, OrganOx is a pioneering medical technology company specializing in advanced organ preservation devices for Normothermic Machine Perfusion (NMP). NMP and other ex-vivo machine perfusion (EVMP) technologies can preserve organs longer by circulating oxygen and nutrient rich perfusate through the organ at near-body temperature. In addition, NMP devices enable real-time monitoring of organ condition during storage and transport. This aims to help prevent the transplantation of organs with impaired function—with the goal of improving transplant success rates—as well as leading to a more effective use of organs from marginal donors.

The acquisition marks Terumo’s strategic entry into the organ transplantation-related sector—a field with significant unmet medical needs and strong growth potential. By combining Terumo’s long-standing expertise in designing medical devices and equipment with OrganOx’s advanced capabilities in NMP, the Company aims to deliver innovative organ preservation devices globally. Terumo seeks to broaden access for patients in need of transplants and contribute to the advancement of transplantation medicine, by aiming to address key challenges in organ transplantation, including improving organ utilization rates, enabling the use of marginal donor*2 organs, enhancing post-transplant outcomes, and reducing the burden on healthcare professionals through minimizing nighttime and emergency procedures.

“OrganOx is a pioneer and leader in organ transplantation technology,” said Oern R. Stuge MD, MBA, and Executive Chairman of OrganOx. “Today’s announced transaction is expected to expand the adoption of our transplantation technology platform by leveraging Terumo’s global infrastructure to benefit more patients around the globe.”

Terumo has built a strong relationship with OrganOx through active collaboration over the years and strengthened this partnership through a strategic investment made in March 2025 via its corporate venture capital arm, Terumo Ventures.

“This transaction represents an important milestone for OrganOx and its shareholders,” said Craig Marshall, Chief Executive Officer of OrganOx. “We look forward to continuing our rich history of collaboration with Terumo to continue harnessing our collective innovations to improve patient care.”

, received FDA approval in 2021 and was launched in the U.S. market in 2022. The device has also obtained regulatory approvals in the EU, UK, Australia, and Canada, and is currently being commercialized in all these regions. To date, the device has been used in over 6,000 liver transplant procedures worldwide.

“Our NMP technology uniquely addresses the quadruple aim of healthcare by benefiting patients, healthcare providers, population health, and the cost of care,” said Steve Deitsch, OrganOx’s Chief Financial Officer. “Thank you to our top tier group of investors, including among others Business Growth Fund (BGF), Lauxera Capital, HealthQuest Capital, Sofina, Oxford University, Longwall Ventures, Technikos, Oxford Investment Consultants, and Intuitive Ventures who provided both the capital and leadership to enable the value creation inherent in today’s announced $1.5 billion transaction.”

Perella Weinberg Partners and Piper Sandler served as OrganOx’s financial advisors and Latham & Watkins acted as legal counsel to OrganOx in this transaction.

*1 This figure is a preliminary estimate as of today. The final transaction value will be determined upon completion of the acquisition, following adjustments for OrganOx’s cash and cash equivalents, interest-bearing debt, and working capital.

*2 Marginal donors are individuals who fall outside the standard criteria for organ donation—due to factors such as advanced age, pre-existing medical conditions, or donation following cardiac death. Expanding the use of organs from marginal donors is expected to increase the availability of transplantable organs and contribute to reducing the number of patients on transplant waiting lists.

OrganOx is a commercial stage organ technology company, spun out of the University of Oxford in 2008, dedicated to developing technologies to improve outcomes for patients with acute or chronic organ failure. The OrganOx metra® is a normothermic machine perfusion (NMP) platform approved in the U.S., Europe, Canada, and Australia. It has been utilized in over 6,000 liver transplants to date to keep donor livers in a metabolically active state outside the body so that functional assessment of the organ can be performed prior to transplant, leading to an increased number of organs available for transplant. Learn more at www.organox.com.

Terumo (TSE: 4543) is a global leader in medical technology and has been committed to “Contributing to Society through Healthcare” for 100 years. Based in Tokyo and operating globally, Terumo employs more than 30,000 associates worldwide to provide innovative medical solutions in more than 160 countries and regions. The company started as a Japanese thermometer manufacturer, and has been supporting healthcare ever since. Now, its extensive business portfolio ranges from vascular intervention and cardio-surgical solutions, blood transfusion and cell therapy technology, to medical products essential for daily clinical practice such as transfusion systems, diabetes care, and peritoneal dialysis treatments. Terumo will further strive to be of value to patients, medical professionals, and society at large.

Medical Device

Terumo to acquire OrganOx Limited, a leading innovator in organ preservation devices, marking strategic entry into the organ transplantation-related sector

2025

Acquisition will Accelerate Global Expansion of Company’s Breakthrough Edison® Histotripsy Platform and Non-Invasive Tumor Therapy

, the developer of the Edison® Histotripsy System and novel histotripsy therapy platform, today announced a management-led majority stake acquisition by a syndicate of globally recognized private and public investors, including K5 Global, Bezos Expeditions, Wellington Management and other new and existing investors. The transaction values HistoSonics at approximately $2.25 billion and positions the company for accelerated growth of the Edison System across new clinical indications and global markets.

HistoSonics will continue to be led by President and Chief Executive Officer, Mike Blue, and his executive team. Mr. Blue will also assume the role of Chairman of the Board upon closing.

“Our relentless focus as a company has been speed, scale, and the urgency to offer patients a better option than any they have today,” said Mr. Blue. “This new group of partners backs category-defining companies that transform entire industries. Their support gives us the firepower to accelerate our momentum, expand into new clinical indications, and reach even more patients around the world who urgently need our breakthrough therapy.”

HistoSonics plans to expand beyond its initial focus on liver tumors to kidney, pancreas, and prostate indications, with a long-term vision of histotripsy being used across a wide range of clinical applications throughout the body, treating both benign and malignant conditions.

“What stood out with HistoSonics wasn’t just the technology, it was the speed and clarity with which the team turned a breakthrough into real clinical traction,” said Bryan Baum, Co-Founder and Managing Partner, K5 Global. “Hospitals are continuing to order systems, patient demand is surging, and the clinical results speak for themselves. We partnered with HistoSonics because this is one of those rare moments where the science, the execution, and the opportunity all align, and we are here to ensure it reaches every hospital in the world.”

HistoSonics, founded in 2009, received FDA De Novo clearance in October 2023 and uses non-invasive focused ultrasound energy to mechanically destroy and liquify targeted tissue and tumors at a sub-cellular level and without the invasiveness or toxicity of traditional procedures.

To date, over 2,000 patients have been treated by the Edison system at over 50 leading U.S. medical centers, with another 50 planned system installations by year-end. Supported by extensive preclinical and clinical research across multiple organ systems, including liver, kidney, pancreas, prostate and others, the company is currently enrolling patients in clinical trials for liver tumors, kidney tumors (HOPE4KIDNEY Trial NCT05820087) and pancreas tumors (GANNON Trial NCT06282809), with plans to start others in the near future.

Additional participants in the transaction include top‑tier global investment firms, including Alpha JWC Ventures, alongside existing investors Alpha Wave Ventures, Venture Investors Health Fund, Lumira Ventures, Hatteras Venture Partners, Early Stage Partners, Amzak Health, HealthQuest Capital, Yonjin Venture, the State of Wisconsin Investment Board, the State of Michigan Retirement System, Johnson & Johnson through its corporate venture capital organization, Johnson & Johnson - JJDC, Inc. (JJDC), and others.

Citi served as financial advisor and Fox Rothschild served as legal advisor to HistoSonics. Morgan Stanley & Co. LLC served as financial advisor and Cooley, with assistance from Orrick, served as legal advisors to the investment syndicate. Wilson Sonsini Goodrich & Rosati served as legal advisor to Histosonics’ existing major shareholders.

HistoSonics is a privately held medical device company developing a non-invasive platform and proprietary sonic beam therapy utilizing the science of histotripsy, a novel mechanism of action that uses focused ultrasound to mechanically destroy and liquify unwanted tissue and tumors. The company is currently focused on commercializing their Edison System in the US and select global markets for liver treatment while expanding histotripsy applications into other organs like kidney, pancreas, prostate, and others. HistoSonics has offices in Ann Arbor, MI and Minneapolis, MN. For more information on the Edison Histotripsy System please visit: 

. For patient-related information please visit: 

HistoSonics Announces $2.25B Acquisition by Consortium of Top-Tier Investors

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Phoebe began her career at Armanino LLP, where she was a member of the Valuations and Financial Modeling team. In this role, she specialized in conducting valuations for a variety of purposes, including Internal Revenue Code Section 409A compliance, purchase price allocations (PPAs), gift and estate tax planning, and complex securities analysis. Her work involved developing intricate financial models and delivering comprehensive valuation reports to support clients' strategic and regulatory needs.

Phoebe holds a bachelor’s degree in finance from Santa Clara University and is a CFA charterholder. 

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