Argo Group International Holdings, Ltd. (NasdaqGS: AGII), an international underwriter of specialty insurance and reinsurance products, announced today that Marsh Duncan has joined Argo Group as a SVP to head the environmental division of Colony Specialty. Based in Alpharetta, GA, he will report to chief underwriting officer for the E&S Lines segment Michael Fleischer.

“I’m very excited to have Marsh join the Colony Specialty management team to head our environmental division,” said Mr. Fleischer. “His experience and reputation in the industry will help carry us to the next level in what is a critical segment in the market. Under Marsh’s leadership, we look forward to building out our environmental platform and broadening our product offerings.”

Mr. Duncan brings more than 14 years of environmental underwriting to this role. He recently served as VP for the environmental division of ACE Westchester, where he managed a large territory and was responsible for underwriting all classes of environmental risk including general liability, contractors pollution liability, professional liability, products pollution liability, excess liability and premises pollution coverage. Prior to ACE, Mr. Duncan was a managing underwriter in the environmental division of Gulf Insurance.

He also has relevant field experience, having previously worked for two environmental consulting firms in Atlanta, GA, where he helped manage and implement environmental cleanup efforts at Superfund and NPL (National Priorities List) facilities through the southeastern U.S.

Mr. Duncan has a bachelor’s of science degree in environmental economics and management from the University of Georgia. He also holds his CPCU and ARM designations.

ABOUT ARGO GROUP INTERNATIONAL HOLDINGS, LTD.

Argo Group International Holdings, Ltd. (NasdaqGS: AGII) is an international underwriter of specialty insurance and reinsurance products in the property and casualty market. Argo Group offers a full line of high-quality 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'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.

(* Includes Argonaut Great Central Insurance Company, Argonaut Insurance Company, Argonaut Midwest Insurance Company, and Select Markets Insurance Company.)

FORWARD-LOOKING STATEMENTS

This press release contains certain statements that are “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, as amended. Such statements are qualified by the inherent risks and uncertainties surrounding future expectations generally and also may differ materially from actual future experience involving any one or more of such statements. For a more detailed discussion of such risks and uncertainties, see Argo Group's filings with the SEC. The inclusion of a forward-looking statement herein should not be regarded as a representation by Argo Group that Argo Group's objectives will be achieved. Argo Group undertakes no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise.

Copyright Business Wire 2010