Navigators Group Inc. estimated its financial impact from natural catastrophes in the third quarter will range from $50 million to $70 million before tax and $33 million to $45 million after tax.

The estimates include potential claims from hurricanes Harvey, Irma and Maria, as well as recent earthquakes in Mexico. The range reflects management's estimates based on a review of the company's potential exposures, preliminary discussions and catastrophe modeling techniques.

Updated loss estimates will be reflected when the company reports its third-quarter results.