X0202 3 2007-07-31 0 0000800082 ARGONAUT GROUP INC AGII 0001408652 Mednick Christina Singleton 11661 SAN VICENTE BLVD SUITE 915 LOS ANGELES CA 90049 0 0 1 0 Common Stock 4192841 I By Singleton Group LLC The reporting person became a Manager of Singleton Group LLC as of July 31, 2007 and has shared voting and dispositive power over the shares of Argonaut common stock held by the Singleton Group LLC. The reporting person is also a trustee and beneficiary of certain trusts that hold membership interests in the Singleton Group LLC. The reporting person disclaims beneficial ownership of the Argonaut common stock held by the Singleton Group LLC except to the extent of her pecuniary interest therein. Donald E. Rugg, as Attorney-in-fact for Christina Singleton Mednick 2007-08-14