Jones Lang LaSalle Incorporated ($ in millions) Q1 2023 Q2 2023 Q3 2023 Q4 2023 FY 2023 Q1 2024 Q2 2024 Q3 2024 Q4 2024 FY 2024 Q1 2025 Q2 2025 Q3 2025 Q4 2025 FY 2025 Real Estate Management Services Revenue 3,737.8 3,845.1 3,992.3 4,477.4 16,052.6 4,123.1 4,426.3 4,577.2 5,092.4 18,219.0 4,626.5 4,949.9 5,041.0 5,616.1 20,233.5 Workplace Management 2,497.2 2,553.4 2,637.1 3,018.5 10,706.2 2,871.7 3,021.1 3,164.6 3,472.3 12,529.7 3,263.6 3,349.1 3,423.6 3,812.2 13,848.5 Project Management 676.3 703.2 747.0 798.3 2,924.8 656.4 788.1 771.3 936.1 3,151.9 747.5 971.6 967.9 1,110.9 3,797.9 Property Management 400.2 409.9 419.2 445.8 1,675.1 429.7 436.6 452.3 476.5 1,795.1 445.6 454.4 461.1 480.2 1,841.3 Portfolio Services and Other 102.7 118.0 130.1 149.3 500.1 111.4 124.1 132.3 148.2 516.0 112.7 118.9 129.8 152.1 513.5 Software and Technology Solutions 61.4 60.6 58.9 65.5 246.4 53.9 56.4 56.7 59.3 226.3 57.1 55.9 58.6 60.7 232.3 Gross contract costs 3,110.9 3,179.8 3,300.6 3,678.0 13,269.3 3,470.3 3,718.5 3,831.3 4,251.6 15,271.7 3,931.0 4,173.5 4,256.3 4,744.0 17,104.8 Workplace Management 2,314.0 2,365.2 2,442.0 2,778.6 9,899.8 2,663.1 2,793.4 2,928.0 3,209.3 11,593.8 3,040.6 3,100.4 3,172.1 3,548.6 12,861.7 Project Management 465.4 473.5 517.4 540.1 1,996.4 445.9 555.2 528.5 654.3 2,183.9 520.0 700.2 696.7 796.7 2,713.6 Property Management 273.1 278.9 280.8 290.6 1,123.4 298.5 304.4 311.2 322.2 1,236.3 312.4 315.7 326.9 334.8 1,289.8 Portfolio Services and Other 54.8 58.1 57.1 65.2 235.2 61.6 64.1 62.2 64.3 252.2 57.3 56.7 59.8 63.1 236.9 Software and Technology Solutions 3.6 4.1 3.3 3.5 14.5 1.2 1.4 1.4 1.5 5.5 0.7 0.5 0.8 0.8 2.8 Platform compensation and benefits 448.6 460.9 471.9 488.7 1,870.1 447.9 467.8 484.5 525.5 1,925.7 479.5 515.4 521.6 531.9 2,048.4 Platform operating, administrative and other 157.1 145.7 147.6 161.6 612.0 139.1 159.2 172.3 171.5 642.1 153.2 162.8 161.4 176.0 653.4 Depreciation and amortization 31.4 32.3 31.9 32.9 128.5 33.5 34.0 37.9 38.3 143.7 37.8 36.4 34.2 32.4 140.8 Total segment platform operating expenses 637.1 638.9 651.4 683.2 2,610.6 620.5 661.0 694.7 735.3 2,711.5 670.5 714.6 717.2 740.3 2,842.6 Total segment operating expenses 3,748.0 3,818.7 3,952.0 4,361.2 15,879.9 4,090.8 4,379.5 4,526.0 4,986.9 17,983.2 4,601.5 4,888.1 4,973.5 5,484.3 19,947.4 Segment operating income (loss) (10.2) 26.4 40.3 116.2 172.7 32.3 46.8 51.2 105.5 235.8 25.0 61.8 67.5 131.8 286.1 Add: Equity earnings (losses) 1.0 0.8 0.3 - 2.1 1.1 0.3 1.1 0.4 2.9 0.4 0.5 0.1 (0.3) 0.7 Depreciation and amortization(1) 30.4 31.4 30.9 31.8 124.5 32.5 33.1 36.9 37.4 139.9 36.9 35.4 33.3 31.5 137.1 Other income (expense) - - - 0.2 0.2 - - - 1.7 1.7 (0.2) - (0.1) 0.5 0.2 Net loss (income) attributable to noncontrolling interest (0.2) (0.6) (0.1) (0.1) (1.0) 0.3 (0.3) (0.3) (0.4) (0.7) (1.1) 0.1 0.3 (0.1) (0.8) Adjusted EBITDA 21.0 58.0 71.4 148.1 298.5 66.2 79.9 88.9 144.6 379.6 61.0 97.8 101.1 163.4 423.3 Q1 2023 Q2 2023 Q3 2023 Q4 2023 FY 2023 Q1 2024 Q2 2024 Q3 2024 Q4 2024 FY 2024 Q1 2025 Q2 2025 Q3 2025 Q4 2025 FY 2025 Segment Summary Revenue Real Estate Management Services 3,737.8 3,845.1 3,992.3 4,477.4 16,052.6 4,123.1 4,426.3 4,577.2 5,092.4 18,219.0 4,626.5 4,949.9 5,041.0 5,616.1 20,233.5 Leasing Advisory 506.2 615.5 573.2 751.6 2,446.5 520.4 642.2 691.5 851.5 2,705.6 586.1 676.8 741.9 1,005.1 3,009.9 Capital Markets Services 357.1 448.0 435.8 537.1 1,778.0 377.6 457.6 498.8 706.4 2,040.4 435.3 520.3 612.1 854.4 2,422.1 Investment Management 114.4 143.9 110.1 115.3 483.7 103.4 102.6 101.3 160.6 467.9 98.5 103.1 115.4 133.1 450.1 Gross contract costs Real Estate Management Services 3,110.9 3,179.8 3,300.6 3,678.0 13,269.3 3,470.3 3,718.5 3,831.3 4,251.6 15,271.7 3,931.0 4,173.5 4,256.3 4,744.0 17,104.8 Leasing Advisory 6.0 5.4 7.6 11.2 30.2 6.4 8.3 9.7 8.9 33.3 2.0 3.3 3.1 3.2 11.6 Capital Markets Services 9.3 13.1 11.5 13.6 47.5 13.6 11.8 11.5 11.7 48.6 1.1 1.7 1.5 1.4 5.7 Investment Management 7.1 7.5 7.4 6.9 28.9 8.4 8.8 9.3 10.9 37.4 8.2 8.3 7.8 11.8 36.1 Adjusted EBITDA Real Estate Management Services 21.0 58.0 71.4 148.1 298.5 66.2 79.9 88.9 144.6 379.6 61.0 97.8 101.1 163.4 423.3 Leasing Advisory 58.8 86.3 69.5 134.6 349.2 74.8 112.1 131.7 146.1 464.7 97.0 120.4 136.9 225.8 580.1 Capital Markets Services 10.7 36.0 50.3 76.1 173.1 25.0 33.8 65.7 119.9 244.4 48.6 54.7 89.9 171.2 364.4 Investment Management(2) 23.1 34.8 26.0 19.9 103.8 21.0 22.7 14.0 42.6 100.3 15.8 16.3 23.7 27.7 83.5 All Other (0.7) 10.0 0.1 4.4 13.8 0.1 (2.2) (2.2) 1.6 (2.7) 2.4 2.5 (4.3) 1.0 1.6 (1) This adjustment excludes the noncontrolling interest portion which is not attributable to common shareholders. (2) Investment Management Adjusted EBITDA excludes Equity (losses) earnings. Exhibit 99.1