• Reinforces Baxter?s commitment to purposeful innovation that supports broader acute kidney injury (AKI) management to improve patient outcomes
• Combines Baxter?s global leadership in blood purification and focus on advancing patient-centered care with bioM?rieux?s global leadership in diagnostics
• Recent study highlights role of biomarker in predicting persistent severe AKI

DEERFIELD, Ill.--(BUSINESS WIRE)-- Baxter International Inc. (NYSE:BAX), a global leader in acute care, today announced a distribution agreement with bioM?rieux (EPA:BIM), a global leader in?in vitro?diagnostics, for the NEPHROCLEAR^TM?CCL14 diagnostic test. The NEPHROCLEAR^TM?CCL14 test is currently in development for use in assessing the risk of developing persistent severe acute kidney injury (AKI). The agreement is part of a?previously announced?collaboration between Baxter and bioM?rieux to improve identification and treatment of AKI. Financial terms of the agreement were not disclosed. As part of the agreement, Baxter will be bioM?rieux?s exclusive distributor of the NEPHROCLEAR^TM?CCL14 test in Europe and the U.S. following regulatory approval and launch in both markets. Baxter and bioM?rieux will share in-country commercialization, while bioM?rieux will retain control over the regulatory approval process. Incorporating new diagnostic products into Baxter?s Acute Therapies portfolio advances the company?s efforts to support overall patient management by providing solutions that enable efficiencies in critical care. ?Baxter?s agreement with bioM?rieux will allow us to introduce a new diagnostic offering to our Acute Therapies portfolio and offer clinicians a meaningful tool as they manage the complexities of AKI in their patients,? said Reaz Rasul, general manager of Baxter?s Acute Therapies business. AKI is a potentially life-threatening condition where the kidneys suddenly stop working, often as the result of illness, trauma or infection. The sudden loss of kidney function leads to the accumulation of toxins and fluid in the blood that, if left untreated, may lead to death. AKI is an increasingly common complication of acute illnesses in intensive care units and hospitals.¹²³?The ability to predict persistent severe AKI could help physicians determine which patients are likely to recover on their own and which patients may require more intensive management, including evaluation of renal replacement therapy (?dialysis?) to replace the function of the kidneys.⁴?Currently, physicians are evaluating the likelihood of renal recovery and making decisions on when to initiate renal replacement therapy with conventional markers such as creatinine and urine output, which have well-known limitations. ?bioM?rieux continues to focus on high-medical-value diagnostics which directly benefit patients and improve their healthcare. The development of the NEPHROCLEAR^TM?CCL14 test is consistent with our mission to aid in the care of individuals with acute medical and critical conditions like AKI and complements our existing pioneering assays for these types of patients such as procalcitonin (PCT) and NEPHROCHECK?,? said Mark Miller, executive vice president and chief medical officer at bioM?rieux. Role of CCL14 Biomarker in Predicting Persistent AKI A recent study published in?Intensive Care Medicinefound that urinary CCL14 (C?C motif chemokine ligand 14), the novel biomarker measured by the NEPHROCLEAR^TM?CCL14 test, is the most predictive of persistent stage 3 AKI, the most severe form of AKI,⁵?when compared with other AKI biomarkers (NGAL, CHI3L1, L-FABP, Cystatin C, Proenkephalin, KIM-1 and IL-18).⁶?The multi-center international prospective observational study, titled ?Identification and validation of biomarkers of persistent acute kidney injury: the RUBY study,? enrolled 364 patients in the intensive care unit with moderate or severe AKI (KDIGO stage 2 or 3), of whom 331 were available for the primary analysis. In the analysis cohort, 110 patients (33%) met the criteria for persistent stage 3 AKI. The study considered a broad set of potential biomarkers that were measured in urine and/or plasma by technicians blinded to clinical data. The study authors used the area under the receiver operating characteristic curve (AUC), which summarizes the overall accuracy of a diagnostic test, to assess the predictive ability of the biomarkers. They found that the CCL14 biomarker had an AUC (95% CI) of 0.83 (0.78?0.87),⁶?which can be considered excellent⁷?and was significantly (p<0.05) greater than values for the other biomarkers tested.⁶ The NEPHROCLEAR^TM?CCL14 test is not currently approved for use in Europe or the United States. About Baxter Every day, millions of patients and caregivers rely on Baxter?s leading portfolio of critical care, nutrition, renal, hospital and surgical products. For more than 85 years, we?ve been operating at the critical intersection where innovations that save and sustain lives meet the healthcare providers that make it happen. With products, technologies and therapies available in more than 100 countries, Baxter?s employees worldwide are now building upon the company?s rich heritage of medical breakthroughs to advance the next generation of transformative healthcare innovations. To learn more, visit?www.baxter.com?and follow us on?Twitter,?LinkedIn?and?Facebook. This release includes forward-looking statements concerning the NEPHROCLEAR^TM?CCL14 test, including potential benefits associated with the investigational product. The statements are based on assumptions about many important factors, including the following, which could cause actual results to differ materially from those in the forward-looking statements: ability to maintain supply continuity; actions of regulatory bodies and other governmental authorities; contractual requirements, product quality, manufacturing or supply, or patient safety issues; changes in law and regulations; and other risks identified in Baxter's most recent filing on Form 10-K and other SEC filings, all of which are available on Baxter's website. Baxter does not undertake to update its forward-looking statements. Baxter is a registered trademark of Baxter International Inc.

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¹?Siew ED, Davenport A: The growth of acute kidney injury: a rising tide or just closer attention to detail? Kidney Int 2015;87:46-61. ²?O?Connor ME, Kirwan CJ, Pearse RM, Prowle JR: Incidence and associations of acute kidney injury after major abdominal surgery. Intensive Care Med 2016;42:521-530. ³?Susantitaphong P, Cruz DN, Cerda J, Abulfaraj M, Alqahtani F, Koulouridis I, Jaber BL: World incidence of AKI: a meta-analysis. Clin J Am Soc Nephrol 2013;8:1482-1493. ⁴?Chawla LS, Bellomo R, Bihorac A, et al. Acute Disease Quality Initiative W (2017) Acute kidney disease and renal recovery: consensus report of the Acute Disease Quality Initiative (ADQI) 16 Workgroup. Nat Rev Nephrol 13(4):241?257.?https://doi.org/10.1038/nrneph.2017.2 ⁵?Kidney International Supplement (2011). 2012 Mar; 2(1): 19?36. ⁶?Hoste E, Bihorac A, Al-Khafaji, A, et al. Identification and validation of biomarkers of persistent acute kidney injury: the RUBY study. Intensive Care Med 46, 943?953 (2020).?https://doi.org/10.1007/s00134-019-05919-0 ⁷?Mandrekar, Jayawant N. Receiver Operating Characteristic Curve in Diagnostic Test Assessment. Journal of Thoracic Oncology 2010;5:1315-1316.

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Media Contact Andrea Johnson, (224) 948-5353 media@baxter.com Investor Contact Clare Trachtman, (224) 948-3020 Source: Baxter International Inc.