Schedule of Employer Contributions Illinois Municipal Retirement Fund

Illinois Municipal Retirement Fund Schedule of Employer Contributions December 31, 2021

Contributions in Relation to Actuarially the Actuarially Contribution Contributions as Fiscal Determined Determined Excess/ Covered a Percentage of Year Contribution Contribution (Deficiency) Payroll Covered Payroll

2015 $ 555,784 $ 628,572 $ 72,788 $ 5,258,131 11.95% 2016 578,012 634,300 56,288 5,468,416 11.60% 2017 564,066 739,066 175,000 5,487,027 13.47% 2018 593,523 593,523 — 5,647,225 10.51% 2019 510,698 510,698 — 5,785,373 8.83% 2020 484,946 566,946 82,000 5,126,276 11.06% 2021 482,515 582,515 100,000 4,938,742 11.79%

Notes to the Required Supplementary Information:

Actuarial Cost Method

Entry Age Normal Amortization Method Level % Pay (Closed) Remaining Amortization Period 22 Years Asset Valuation Method 5-Year Smoothed Fair Value Inflation 2.50% Salary Increases 3.35% - 14.25% Investment Rate of Return 7.25% Retirement Age See the Notes to the Financial Statements Mortality IMRF specific mortality table was used with fully generational projection scale MP-2017 (base year 2015).

Note: This schedule is intended to show information for ten years. Information for additional years will be displayed as it becomes available.