Argo Group Regulatory News (ARGO)

Argo Group Limited (the "Company")

Litigation Update

Further to the Company's announcements of 1 April 2011 and 12 May 2011, the Company is pleased to announce that it has learned that The Cascade Fund, LLLP ("Cascade") will not appeal the order of the Colorado court issued on 31 March 2011 dismissing its claim against the Company.

This development concludes this matter.

Enquiries

Kyriakos Rialas Tel: +357 22-668900

Jeremy Bradshaw Tel: +44 (0)20 7535 4000

Panmure Gordon Tel: +44 (0)20 7459 3600

Dominic Morley