Annexon(ANNX) - 2024 Q3 - Quarterly Results

Exhibit 99.1 Annexon Reports Third Quarter 2024 Portfolio and Financial Results, and Key Anticipated Milestones Topline Real-World Evidence (RWE) Comparability and Outcomes Data for ANX005 in Guillain-Barré Syndrome (GBS) Expected by Year-End 2024; Biologics License Application (BLA) Submission Targeted for First Half 2025 Ongoing Enrollment in Phase 3 ARCHER II Trial for ANX007 in Geographic Atrophy (GA); Topline Data Expected Second Half 2026 Proof-of-Concept Study with First-in-Kind Oral C1s Inhibitor AN ...