Prior Accident Year Development $546 $140 $209 $(32) $(42) $(438) CAY CATs PYD 2018 2019 2020 $-600 $-500 $-400 $-300 $-200 $-100 $0 $100 $200 $300 $400 $500 $600 Year ended December 31, 2020 compared to the year ended December 31, 2019 Current accident year catastrophe losses for the year ended December 31, 2020 were primarily from a number of hurricanes and tropical storms, Pacific Coast wildfires and Northeast windstorms as well as tornado, wind and hail events in the South, Midwest and Central Plains.