Capital Returns Urges Shareholders to Vote for Change at Argo Group’s 2022 Annual General Meeting by Electing Its Two Highly Qualified Candidates

Dear Fellow Argo Group Shareholders,

I am writing today to encourage you to vote for modest but important change in the Board of Directors (the “Board”) of Argo Group International Holdings, Ltd. (“Argo” or the “Company”).

Capital Returns Management, LLC (together with its affiliates, “Capital Returns,” “we” or “us”) has owned Argo stock for years and fir…