Argo Group Declares a 23% Increase in Quarterly Cash Dividend to $0.27 per Share

Argo Group International Holdings, Ltd. (NASDAQ: AGII), an international underwriter of specialty insurance and reinsurance products, announced today its board of directors has declared a quarterly cash dividend of $0.27 per share on the company's common stock, an increase of $0.05 per share, or 22.7%, to the amount declared in previous quarters. The dividend will be paid on March 15, 2017, to shareholders of record on March 3, 2017.

ABOUT ARGO GROUP INTERNATIONAL HOLDINGS, LTD.

Argo Group International Holdings, Ltd. (NASDAQ: AGII) 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 four primary segments: Excess & Surplus Lines, Commercial Specialty, International Specialty and Syndicate 1200. 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's U.S. insurance subsidiaries are Standard and Poor's-rated 'A-' (Strong) with a stable outlook. More information on Argo Group and its subsidiaries is available at www.argolimited.com.

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Argo Group International Holdings, Ltd.Susan Spivak Bernstein, 212-607-8835Senior Vice President, Investor Relations