Business Description

Overview Neurocrine Biosciences is a neuroscience-focused, biopharmaceutical company with a simple purpose: to relieve suffering for people with great needs. We are dedicated to discovering, developing, and commercializing life-changing treatments for patients with under-addressed neurological, psychiatric, endocrine, and immunological disorders. Our portfolio of products includes U.S. Food and Drug Administration (FDA) approved treatments for tardive dyskinesia (TD), chorea associated with Huntington's disease, classic congenital adrenal hyperplasia due to 21-hydroxylase deficiency (CAH), and endometriosis and uterine fibroids in collaboration with AbbVie Inc. In addition, we have a diversified portfolio of multiple compounds in mid- to late-phase development across our core therapeutic areas and an expanding early-phase pipeline that includes a range of modalities including small molecules, peptides, proteins, antibodies, conjugates, and gene therapies. We launched INGREZZA ® (valbenazine) in the U.S. as the first FDA-approved drug for the treatment of TD in May 2017 and for the treatment of chorea associated with Huntington's disease in August 2023 and launched CRENESSITY ® (crinecerfont) in the U.S. as a first-in-class FDA-approved treatment of CAH in December 2024. We estimate that TD affects approximately 800,000 people in the U.S., that approximately 90% of the 40,000 people in the U.S. affected by Huntington’s disease will develop chorea, and that CAH affects at least 20,000 people in the U.S. Key elements of our commercial strategy include maximizing the opportunities in INGREZZA and CRENESSITY through consistent and effective commercial execution, continued development of valbenazine as the best-in-class treatment for new patient populations, and to lead the evolving understanding of vesicular monoamine transporter 2 (VMAT2) biology and its role in disease. INGREZZA net product sales were $2.51 billion for 2025, $2.31 billion for 2024, and $1.84 billion for 2023 and accounted for a significant portion of our total net product sales during each of these years. CRENESSITY net product sales were $301.2 million for 2025 during its first full-year of launch. Commercial Products Product Indication Major Markets Tardive Dyskinesia U.S., Japan, Select Asian Markets (1) Chorea Associated with Huntington’s Disease Classic Congenital Adrenal Hyperplasia U.S. Endometriosis U.S. (2) Uterine Fibroids U.S. (2) _________________________ (1) INGREZZA is marketed as DYSVAL ® (valbenazine) in Japan and REMLEAS ® (valbenazine) in other select Asian markets, where Tanabe Pharma Corporation (formerly Mitsubishi Tanabe Pharma Corporation) retains commercialization rights. (2) AbbVie retains global commercialization rights to elagolix. 4 Commercial Operations We sell INGREZZA exclusively in the U.S. through a limited specialty network. Our customers include select specialty pharmacy providers, wholesale distributors, and specialty distributors. This focused distribution model allows us to closely manage product supply and support services. In addition, we sell CRENESSITY in the U.S. through a single specialty pharmacy provider, reflecting the product’s rare disease focus and the need for high-touch distribution. We rely on third-party logistics providers for packaging, warehousing, and shipment of our products, leveraging their expertise to ensure timely delivery and broad patient access. Our commercial reach is powered by a specialized sales force of approximately 600 professionals across the U.S. focused on neurology, psychiatry, long-term care, and rare diseases. In October 2025, we announced the planned expansion of the INGREZZA and CRENESSITY sales teams to maximize our commercial momentum. We expect this expansion, which we anticipate completing by the end of the first quarter of 2026, will boost our reach and frequency with prescribers, accelerating INGREZZA’s penetration in both community and institutional settings and supporting the growth trajectory of CRENESSITY in the endocrinology and rare disease community. Importantly, a larger sales force and enhanced infrastructure also position us for potential upcoming product launches from our diversified pipeline, which includes late-stage candidates in major depressive disorder (osavampator) and schizophrenia (direclidine).…