Cincinnati Financial Corp (CINF) SEC Filing 10-Q Quarterly Report for the period ending Wednesday, March 31, 2021

Change Current accident year losses greater than $5 million - % - % 0.0 Current accident year losses $1 million - $5 million 1.2 2.6 (1.4) Large loss prior accident year reserve development (1.7) (1.5) (0.2) Total large loss ratio (0.5) 1.1 (1.6) Losses incurred but not reported 24.8 (4.4) 29.2 Other losses excluding catastrophe losses 17.8 37.8 (20.0) Catastrophe losses 1.0 0.9 0.1 Total loss ratio 43.1 % 35.4 % 7.7 We continue to monitor new losses and case reserve increases greater than $1 million for trends in factors such as initial reserve levels, loss cost inflation and claim settlement expenses.

Cincinnati Financial Corporation First-Quarter 2021 10-QPage 44 Personal Lines Insurance Losses Incurred by Size We continue to monitor new losses and case reserve increases greater than $1 million for trends in factors such as initial reserve levels, loss cost inflation and claim settlement expenses.

Commercial Lines Insurance Losses Incurred by Size We continue to monitor new losses and case reserve increases greater than $1 million for trends in factors such as initial reserve levels, loss cost inflation and claim settlement expenses.