X0202 4 2008-05-08 0 0000931948 STILLWATER MINING CO /DE/ swc 0001195829 RIEGLE DONALD W JR ANTHEM INC. 120 MONUMENT CIRCLE INDIANAPOLIS IN 46204 1 0 0 0 Common stock 2008-05-08 2008-05-27 4 A 0 2817 0 A 9443 D Upon re-election to the Board of Directors on May 8, 2008, said individual was granted Stillwater Mining Company restricted stock units under the Stillwater Mining Company 2004 Equity Incentive Plan. These units are scheduled to vest on November 8, 2008, at which time the recipient will receive shares equal to the number of units. /s/ Donald W. Riegle, Jr. 2008-05-27