Navidea Biopharmaceuticals Files Appeal in CRG Case

Navidea Biopharmaceuticals, Inc. (NYSE American: NAVB) (“Navidea” or the “Company”), a company focused on the development of precision immunodiagnostic agents and immunotherapeutics, today announced that on November 29, 2022, Navidea and its majority-owned subsidiary Macrophage Therapeutics, Inc. filed an appeal of the judgment by the District Court of Harris County, Texas in Case No. 2018-24442-151; Capital Royalty Partners II, L.P. et al. v. Navidea Biopharmaceuticals, Inc. and Macrophage Therapeutics, Inc., with the 14^th Court of Appeals of Texas for review by the appellate court.

About Navidea

Navidea Biopharmaceuticals, Inc. (NYSE American: NAVB) is a biopharmaceutical company focused on the development of precision immunodiagnostic agents and immunotherapeutics. Navidea is developing multiple precision-targeted products based on its Manocept platform to enhance patient care by identifying the sites and pathways of disease and enable better diagnostic accuracy, clinical decision-making, and targeted treatment. Navidea’s Manocept platform is predicated on the ability to specifically target the CD206 mannose receptor expressed on activated macrophages. The Manocept platform serves as the molecular backbone of Tc99m tilmanocept, the first product developed and commercialized by Navidea based on the platform. Navidea’s strategy is to deliver superior growth and shareholder return by bringing to market novel products and advancing the Company’s pipeline through global partnering and commercialization efforts. For more information, please visit www.navidea.com.

Forward-Looking Statements

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