Arrowhead Pharmaceuticals(ARWR) - 2026 Q1 - Quarterly Results

EXHIBIT 99.1 PRESS RELEASE February 5, 2026 Arrowhead Pharmaceuticals Reports Fiscal 2026 First Quarter Results Conference Call and Webcast Today, February 5, 2026 at 4:30 p.m. ET PASADENA, Calif., February 5, 2026 — Arrowhead Pharmaceuticals, Inc. (NASDAQ: ARWR) today announced financial results for its fiscal 2026 first quarter ended December 31, 2025. The Company is hosting a conference call today, February 5, 2026, at 4:30 p.m. ET to discuss the results. • Announced that on November 18, 2025, the U.S. F ...