Developing next generation antibodies into transformative cancer therapies that improve patients' lives Corporate Presentation Nasdaq: CMPX March 2026 DISCLAIMER This presentation has been prepared by Compass Therapeutics, Inc. ("we," "us," "our," or the "Company"). Statements contained herein are made as of the date of this presentation unless stated otherwise, and this presentation shall not under any circumstances create an implication that the information contained herein is correct as of any time after ...

Regeneron Pharmaceuticals FY Conference Summary Company Overview - Regeneron Pharmaceuticals is recognized for its unique position in the biopharmaceutical industry, driven by a science-first strategy and the use of big data to develop transformative therapies [6][7] - The company has developed proprietary technology platforms such as VelocImmune and VelociAb, which enhance drug discovery and development efficiency [6][7] Pipeline and Product Portfolio - Regeneron's pipeline includes 45 clinical candidates across six major therapeutic areas, reflecting a commitment to addressing unmet medical needs [8] - The company has achieved 14 internally discovered therapy approvals over the past 15 years, averaging one new approval per year [8] Key Products - **Eylea HD**: - Fourth quarter 2025 U.S. net sales reached $1.1 billion, with Eylea HD sales at $506 million, a 66% increase year-over-year [9][10] - Label expansion includes every four-week dosing and treatment for macular edema following retinal vein occlusion [9][10] - **Dupixent**: - World's most widely used branded antibody with over 1.3 million patients treated globally [11] - Annualized global net sales exceed $19 billion, with a 27% year-over-year growth [11] - **Libtayo**: - Leading immunotherapy for advanced non-melanoma skin cancers, with significant growth potential in lung cancer [12] Research and Development Strategy - Regeneron plans to invest approximately $6 billion in R&D and over $7 billion in capital investments in the U.S. to support R&D and manufacturing capabilities [12] - The company focuses 95% of its R&D resources on internal initiatives, contrasting with the industry average of 50% [14] Business Development and Collaborations - Collaborations include in-licensing cemdisiran for generalized myasthenia gravis and HS-20094 for obesity [13] - The company emphasizes opportunistic share buybacks and initiated a modest dividend in 2025, returning $3.8 billion to shareholders [13] Clinical Programs and Innovations - Regeneron is advancing several key clinical programs, including: - **Immunology and Inflammation**: Developing long-acting antibodies for type 2 inflammatory conditions [18] - **Allergy Treatments**: Phase three programs for cat and birch allergies, and a novel approach to treat severe food allergies [19] - **Oncology**: A combination of LAG-3 antibody fianlimab with Libtayo shows promise in first-line metastatic melanoma [20] - **Complement Inhibition**: A combination of siRNA and antibody targeting C5 shows potential for treating paroxysmal nocturnal hemoglobinuria (PNH) [23][24] Market Opportunities - The global market opportunity for Regeneron's pipeline is estimated to exceed $200 billion [15] - The company is exploring innovative treatments in obesity, combining GLP-1 receptor agonists with PCSK9 antibodies to address cardiovascular risks [28] Future Outlook - Regeneron anticipates significant data readouts from ongoing clinical trials in 2026, with a focus on maintaining leadership in immunology and expanding into new therapeutic areas [20][27] - The company aims to redefine anticoagulation with Factor XI antibodies, targeting safer options for stroke prevention and other indications [26][43] Conclusion - Regeneron Pharmaceuticals is positioned for sustained growth through its innovative pipeline, strong R&D focus, and strategic collaborations, addressing significant unmet medical needs across various therapeutic areas [12][15]