X0206 3 2019-02-19 1 0001091748 Argo Group International Holdings, Ltd. ARGO 0001242238 LISS SAMUEL G ARGO GROUP INTERNATIONAL HOLDINGS, LTD. 110 PITTS BAY ROAD PEMBROKE, HM 08 D0 BERMUDA 1 0 0 0 Exhibit List Exhibit 24 - Power of Attorney /s/ Craig S. Comeaux, attorney-in-fact 2019-02-27