Jan 23 (Reuters) - Argo Group International Holdings Ltd :
* ARGO GROUP PROVIDES PRELIMINARY ESTIMATE FOR NATURAL CATASTROPHE LOSSES DURING 2017 FOURTH QUARTER
* ARGO GROUP INTERNATIONAL HOLDINGS - PRELIMINARY PRE-TAX CATASTROPHE LOSS ESTIMATE FOR QUARTER ENDED DEC. 31, 2017 OF $34 MILLION -$38 MILLION
* ARGO GROUP INTERNATIONAL HOLDINGS - CATASTROPHE LOSSES ARE PRIMARILY RELATED TO WILDFIRES IN CALIFORNIA
* ARGO GROUP INTERNATIONAL-CATASTROPHE LOSSES ALSO RELATED TO CERTAIN EXCESS OF LOSS CONTRACTS IMPACTED BY VARIOUS 2017 CATASTROPHE, WEATHER RELATED EVENTS Source text for Eikon: Further company coverage: