X0303 4 2010-12-15 0 0000849399 SYMANTEC CORP SYMC 0001184215 MILLER ROBERT STEVE 350 ELLIS STREET MOUNTAIN VIEW CA 94043 1 0 0 0 Common Stock 2010-12-15 4 S 0 17000 17.19 D 88555 D Sale was made pursuant to a stock trading plan established under Rule 10b5-1. /s/ Simona Katcher, as attorney-in-fact for Robert S. Miller 2010-12-17