Tranche Update on Argo Group International Holdings, Ltd.'s Equity Buyback Plan announced on May 3, 2016.

Argo Group International Holdings, Ltd. is an underwriter of specialty insurance products in the property and casualty market. The Company’s segments include U.S. Operations and International Operations. Its segments include four primary insurance services and offerings, which include Property, Liability, Professional and Specialty. The Property includes both property insurance and reinsurance products. Insurance products cover commercial properties in North America with some international cover. Reinsurance covers underlying exposures located throughout the world, including the United States. The Liability includes a range of primary and excess casualty products primarily underwritten as insurance and, to a lesser extent, reinsurance, for risks on both an admitted and non-admitted basis in the United States. The Professional includes various professional line products. The Specialty includes niche insurance coverage, such as marine, accident and health, and surety product offerings.