Summary EP table - by return period

Use the Summary EP Table (exceedance probability) to view the return period and its definition for each loss exceedance percentage.

Loss exceedance percentage (EP)	Return period (RP)	Definition
5.00%	20 year	Estimated Annual Probability of Exceedance: 5.00% This amount is likely to be equaled or exceeded in one year out of 20 on average, or 5 percent of the time. It is the 95th percentile of the annual loss distribution.
2.00%	50 year	Estimated Annual Probability of Exceedance: 2.00% This amount is likely to be equaled or exceeded in one year out of 50 on average, or 2 percent of the time. It is the 98th percentile of the annual loss distribution.
1.00%	100 year	Estimated Annual Probability of Exceedance: 1.00% This amount is likely to be equaled or exceeded in one year out of 100 on average, or 1 percent of the time. It is the 99th percentile of the annual loss distribution.
0.40%	250 year	Estimated Annual Probability of Exceedance: 0.40% This amount is likely to be equaled or exceeded in one year out of 250 on average, or 0.4 percent of the time. It is the 99.60th percentile of the annual loss distribution.
0.20%	500 year	Estimated Annual Probability of Exceedance: 0.2% This amount is likely to be equaled or exceeded in one year out of 500 on average, or 0.2 percent of the time. It is the 99.80th percentile of the annual loss distribution.
0.10%	1000 year	Estimated Annual Probability of Exceedance: 0.1% This amount is likely to be equaled or exceeded in one year out of 1000 on average, or 0.1 percent of the time. It is the 99.90th percentile of the annual loss distribution.