Argo Comments on Glass Lewis Report - Seite 3

ABOUT ARGO GROUP INTERNATIONAL HOLDINGS, LTD.

Argo Group International Holdings, Ltd. (NYSE: ARGO) is an international underwriter of specialty insurance and reinsurance products in the property and casualty market. Argo Group offers a full line of products and services designed to meet the unique coverage and claims handling needs of businesses in two primary segments: U.S. Operations and International Operations. Argo Group’s insurance subsidiaries are A. M. Best-rated ‘A’ (Excellent) (third highest rating out of 16 rating classifications) with a stable outlook, and Argo Group’s U.S. insurance subsidiaries are Standard and Poor’s-rated ‘A-‘ (Strong) with a positive outlook. More information on Argo Group and its subsidiaries is available at www.argolimited.com.

ADDITIONAL INFORMATION

Argo Group International Holdings, Ltd. (“Argo Group”) has filed a definitive proxy statement and WHITE proxy card with the U.S. Securities and Exchange Commission (the “SEC”) in connection with its solicitation of proxies for its 2019 Annual General Meeting of Shareholders (the “2019 Annual General Meeting”). ARGO GROUP SHAREHOLDERS ARE STRONGLY ENCOURAGED TO READ THE DEFINITIVE PROXY STATEMENT (AND ANY AMENDMENTS AND SUPPLEMENTS THERETO) AND ACCOMPANYING WHITE PROXY CARD WHEN THEY BECOME AVAILABLE AS THEY WILL CONTAIN IMPORTANT INFORMATION. Shareholders may obtain the proxy statement, any amendments or supplements to the proxy statement and other documents as and when filed by Argo Group with the SEC without charge from the SEC’s website at www.sec.gov.

CERTAIN INFORMATION REGARDING PARTICIPANTS

Argo Group, its directors and certain of its executive officers may be deemed to be participants in connection with the solicitation of proxies from Argo Group’s shareholders in connection with the matters to be considered at the 2019 Annual General Meeting. Information regarding the identity of potential participants, and their direct or indirect interests, by security holdings or otherwise, is set forth in the proxy statement and other materials to be filed with the SEC. These documents can be obtained free of charge from the sources indicated above.