Exhibit 99.1 Allakos Provides Business Update and Reports Third Quarter 2024 Financial Results SAN CARLOS, Calif., November 6, 2024 (GLOBE NEWSWIRE) – Allakos Inc. (the "Company") (Nasdaq: ALLK), a biotechnology company developing antibodies for the treatment of allergic, inflammatory and proliferative diseases, today provided a business update and reported financial results for the third quarter ended September 30, 2024. Recent Allakos Events • Reported safety, pharmacokinetics (PK), and pharmacodynamic (P ...