Exhibit 99.1 News Release JLL Reports Financial Results for Third-Quarter 2024 Double-digit revenue growth, coupled with ongoing cost discipline, drove strong bottom-line performance 6 6 1 CHICAGO, November 6, 2024 – Jones Lang LaSalle Incorporated (NYSE: JLL) today reported operating performance for the third quarter of 2024. Transactional revenue growth accelerated to double digits and complemented continued momentum in Resilient business line revenues. Diluted earnings per share were $3.20, up from $1.23 ...