Janus Henderson(JHG) - 2024 Q1 - Quarterly Results

Exhibit 99.1 Janus Henderson Group plc Reports First Quarter 2024 Results LONDON — Janus Henderson Group plc (NYSE: JHG; "JHG," "Janus Henderson," or the "Company") published its first quarter 2024 results for the period ended March 31, 2024. First quarter 2024 operating income was US$119.2 million compared to US$143.7 million in the fourth quarter 2023 and US$100.4 million in the first quarter 2023. Adjusted operating income, adjusted for one-time, acquisition and transaction related costs, was US$128.2 mi ...