CAFR 2017

Schedule 4

Other Postemployment Benefit (OPEB) Trust Required Supplementary Information Fiscal Years Ended June 30, 2013-2017

Schedule of Funding Progress

Unfunded Actuarial Accrued

Actuarial Accrued Liability - Projected Unit Credit (b)

Unfunded Actuarial Accrued Liability (b) - (a)

Liability as a Percentage of Covered Payroll ((b - a) / c)

Actuarial Value of Assets (a) *

Actuarial Valuation Date 12/31/12 12/31/14 6/30/16

Funded Ratio (a) / (b)

Covered Payroll (c)

5,689,570 $ 13,336,949 15,182,164

$83,627,059 90,252,610 107,980,074

6.8 % $77,937,489

$131,076,275 142,118,900 137,120,463

59.5%

14.8 14.1

76,915,661 92,797,910

54.1 67.7

*Amounts recorded as of actuarial measurement date

Schedule of Employer Contributions

Year Ended

Annual Required

Percentage % Contributed

June 30

Contribution

2008 2009 2010 2011 2012 2013 2014 2015 2016 2017

$3,554,069 4,999,407 4,999,407 8,472,184 8,472,184 8,726,350 8,077,527 8,413,843 8,711,948 9,701,120

100.0 %

99.7

104.2 95.6 94.0 91.6 81.9 54.3 53.1 102.7

Notes to the Required Schedules: The information presented in the required supplementary schedules was determined as part of the actuarial valuations at the dates indicated. Additional information as of the latest actuarial valuation follows:

6/30/2016

Valuation Date Actuarial Cost Method Amortization Method Asset Valuation Method Actuarial Assumptions: Remaining Amortization Period

Projected unit credit

Level percent of pay, closed

25 Years

Market value

Investment Rate of Return (1) Medical Cost Trend Rate Year of Ultimate Trend Rate

5.5% (Rate of return for years prior to 2016 valuation was 7.25%)

7.75% - 5.00%

2022

(1) Includes inflation at

3.00%

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