X0202 4 2006-01-23 0 0001065754 VIKING SYSTEMS INC VKSY 0001287110 WARRINO JOSEPH A 134 FLANDERS ROAD WESTBOROUGH MA 01581 0 1 0 0 CFO option 0.35 2004-04-23 4 A 0 80000 0 A 2008-04-23 common stock 80000 80000 D option 0.5 2004-12-31 4 A 0 46000 0 A 2009-12-31 common stock 46000 126000 D option 0.4 2005-10-10 4 A 0 200000 0 A 2015-10-01 common stock 200000 326000 D option 0.35 2006-01-23 4 A 0 100000 0 A 2016-01-23 common stock 100000 426000 D 50% vested 4/23/05 and 50% vest 4/23/06. Issued under Viking 2004 Stock Incentive Plan. One-third vest on each anniversary date over three years. Issued under Viking 2004 Stock Incentive Plan. 40% currently vested, 30% vest on 7/1/06 and 30% vest on 7/1/07. 50% currently vested, 20% vests 1/23/07, 30% vests 1/23/08. Joseph A. Warrino 2006-03-23