Cincinnati Financial Corp (CINF) SEC Filing 10-Q Quarterly Report for the period ending Friday, March 31, 2023

Change Current accident year losses greater than $5 million - % - % 0.0 Current accident year losses $2 million - $5 million - - 0.0 Large loss prior accident year reserve development (0.3) - (0.3) Total large loss ratio (0.3) - (0.3) Losses incurred but not reported 21.3 10.6 10.7 Other losses excluding catastrophe losses 22.2 31.3 (9.1) Catastrophe losses 1.1 1.1 0.0 Total loss ratio 44.3 % 43.0 % 1.3 We continue to monitor new losses and case reserve increases greater than $2 million for trends in factors such as initial reserve levels, loss cost inflation and claim settlement expenses.

Personal Lines Insurance Losses Incurred by Size We continue to monitor new losses and case reserve increases greater than $2 million for trends in factors such as initial reserve levels, loss cost inflation and claim settlement expenses.

Commercial Lines Insurance Losses Incurred by Size Cincinnati Financial Corporation First-Quarter 2023 10-QPage 45 We continue to monitor new losses and case reserve increases greater than $2 million for trends in factors such as initial reserve levels, loss cost inflation and claim settlement expenses.

Elevated inflation was a driver of higher losses and loss expenses as costs have increased significantly to repair damaged business property or autos that we insure, in addition to higher losses for liability coverages for some of our lines of business.