Internally, the Group uses its Zurich Economic Capital Model (Z-ECM), which also forms the basis of the SST model.
The Z-ECM targets a total capital level that is calibrated to an “AA” financial strength. Zurich defies the Z-ECM
capital required as being the capital required to protect the Group’s policyholders in order to meet all of their claims
with a confidence level of 99.95 percent over a one-year time horizon