Silverado 2007 Annual Report

WORKMAN'S BENCH

Please consider the following information in connection with our resource estimates for Workman's Bench

PROCESS RECOVERY RATE: 99% for Antimony and 98% for Gold (as provided by Hazen Research from work done on the underground bulk sample from the D tunnel of Workman's Bench A vein). In accordance with applicable SEC standards and regulations.

ESTIMATED OPERATING COSTS: $553/ton, based upon operating of a 200 ton per day underground mine.

pg 6 Don't be fooled by the basher arsenic line. Go A@G