MacroGenics Reports Second Quarter 2025 Financial Results and Highlights Key Strategic Priorities

About this update from Macrogenics, Inc.

ROCKVILLE, Md., Aug. 14, 2025 (GLOBE NEWSWIRE) -- MacroGenics, Inc. (NASDAQ: MGNX), a clinical-stage biopharmaceutical company focused on developing innovative antibody-based therapeutics for the treatment of cancer, today reported financial results for the second quarter ended June 30, 2025, and highlighted recent corporate progress. “Over the past several years, MacroGenics has established itself as a pioneer in the field of antibody-based therapeutics for patients battling cancer. Today, we have a promising portfolio spanning antibody drug conjugates and multi-specifics that we believe has the potential to generate significant value for both patients and shareholders alike,” said Eric Risser, President and CEO of MacroGenics. “As we look ahead to the remainder of 2025 and beyond, we intend to drive MacroGenics to become an even more focused and capital-efficient biotechnology company as we advance our pipeline. In the coming quarters, we look forward to providing updates on our key strategic priorities related to pipeline and Company progress.” Key Strategic Priorities for 2025 and 2026 Corporate Updates Eric Risser named President, Chief Executive Officer and Director. Mr. Risser previously served as Chief Operating Officer at MacroGenics, overseeing several key company functions and has led the Company’s corporate development efforts, which have generated over $550 million in non-dilutive capital over the past three years. Mr. Risser succeeds Scott Koenig, M.D., Ph.D. who has stepped down after serving as President and Chief Executive Officer for the past 24 years. Wholly Owned Programs Lorigerlimab is a bispecific, tetravalent PD-1 × CTLA-4 DART® molecule designed to enhance CTLA-4 blockade on dual-expressing, tumor-infiltrating lymphocytes compared to a PD-1/CTLA-4 monoclonal antibody (mAb) combination therapy, while maintaining maximal PD-1 blockade on all PD-1-expressing cells. Emerging ADC Pipeline. MacroGenics is developing three antibody-drug conjugates (ADCs) that each incorporate a novel, glycan-linked topoisomerase I inhibitor (TOP1i)-based payload developed by the Company’s collaboration partner, Synaffix (a Lonza company). Partnered Programs Second Quarter 2025 Financial Results About MacroGenics, Inc. MacroGenics (the Company) is a biopharmaceutical company focused on developing innovative monoclonal antibody-based therapeutics for the treatment of cancer. The Company generates its pipeline of product candidates primarily from its proprietary suite of next-generation antibody-based technology platforms, which have applicability across broad therapeutic domains. The combination of MacroGenics' technology platforms and protein engineering expertise has allowed the Company to generate promising product candidates and enter into several strategic collaborations with global pharmaceutical and biotechnology companies. For more information, please see the Company's website at www.macrogenics.com. MacroGenics and the MacroGenics logo are trademarks or registered trademarks of MacroGenics, Inc. Cautionary Note on Forward-Looking Statements Any statements in this press release about future expectations, plans and prospects for MacroGenics (“Company”), including statements about the Company’s strategy, future operations, clinical development of and regulatory plans for the Company’s therapeutic candidates, expected timing of the release of clinical updates and safety and efficacy data for the Company’s ongoing clinical trials and other statements containing the words “subject to”, "believe", “anticipate”, “plan”, “expect”, “intend”, “estimate”, “potential,” “project”, “may”, “will”, “should”, “would”, “could”, “can”, the negatives thereof, variations thereon and similar expressions, or by discussions of strategy, including our ability to execute on our key strategic priorities for 2025 and 2026, constitute forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including: risks that TZIELD, lorigerlimab, ZYNYZ, or any other product candidate’s revenue, expenses and costs may not be as expected, risks relating to TZIELD, lorigerlimab, ZYNYZ, or any other product candidate’s market acceptance, competition, reimbursement and regulatory actions; future data updates, including timing and results of efficacy and safety data with respect to product candidates in ongoing clinical trials; our ability to provide manufacturing services to our customers; the uncertainties inherent in the initiation and enrollment of future clinical trials; the availability of financing to fund the internal development of our product candidates; expectations of expanding ongoing clinical trials; expectations for the timing and steps required in the regulatory review process; expectations for regulatory approvals; expectations of future milestone payments; the impact of competitive products; our ability to enter into agreements with strategic partners and other matters that could affect the availability or commercial potential of the Company's product candidates; business, economic or political disruptions due to catastrophes or other events, including natural disasters, terrorist attacks, civil unrest and actual or threatened armed conflict, or public health crises; costs of litigation and the failure to successfully defend lawsuits and other claims against us; and other risks described in the Company's filings with the Securities and Exchange Commission. In addition, the forward-looking statements included in this press release represent the Company's views only as of the date hereof. The Company anticipates that subsequent events and developments will cause the Company's views to change. However, while the Company may elect to update these forward-looking statements at some point in the future, the Company specifically disclaims any obligation to do so, except as may be required by law. These forward-looking statements should not be relied upon as representing the Company's views as of any date subsequent to the date hereof. CONTACTS: Jim Karrels, Senior Vice President, CFO 1-301-251-5172 [email protected] Argot Partners 1-212-600-1902 [email protected]

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