X0306 4 2016-02-16 0 0001091748 Argo Group International Holdings, Ltd. AGII 0000315021 BROWNE F SEDGWICK ARGO GROUP INTERNATIONAL HOLDINGS, LTD. 110 PITTS BAY ROAD PEMBROKE, HM 08 D0 BERMUDA 1 0 0 0 Stock Units 2016-02-16 4 A 0 17 A Common Stock 17 4234 D Each stock unit is the economic equivalent of one share of Argo Group's common stock. The stock units become payable in cash no later than December 31, 2017 or, if earlier, upon the occurrence of certain events, including at the time, or at a specified time after, the reporting person ceases to serve as an Argo Group director. The stock units reported hereunder are grants under the Argo Group International Holdings Limited Deferred Compensation Plan for Non-Employee Directors. The closing price of Argo Group's common stock on the date of this grant was $52.95. /s/ Craig S. Comeaux, attorney-in-fact 2016-02-18