Ionis Pharmaceuticals(IONS) - 2025 Q4 - Annual Results

Exhibit 99.1 Ionis well-positioned for continued momentum and substantial value creation in 2026 with two new independent launches and several pivotal data readouts CARLSBAD, Calif., January 12 – Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) today announced highlights from the Company's 2025 achievements and provided additional updates on key milestones expected in 2026. Ionis will provide a business update at the 44th Annual J.P. Morgan Healthcare Conference on Tuesday, January 13 at 8:15am PT; the presentati ...