X0303 4 2009-12-16 0 0000709804 ADAPTEC INC ADPT 0001312995 Ruisi Lawrence 691 SOUTH MILIPTAS BLVD. MILPITAS CA 95035 1 0 0 0 Common Stock 2009-12-16 4 A 0 12500 0.001 A 28750 D Non-Qualified Stock Option (right to buy) 3.29 2009-12-16 4 A 0 12500 0 A 2010-03-16 2019-12-16 Common Stock 12500 12500 D Represents a Restricted Stock Award from Adaptec Inc's 2006 Director Plan for 12,500 shares of common stock that will be fully vested on the earlier of December 16, 2010 or the date of which the director ceases for any reason to be on the Board of Directors. A total of 12,500 Non-Qualified Stock Options were granted on December 16, 2009 from Adaptec Inc's 2006 Director Plan. The option shall vest in four equal quarterly installments with the first vesting being March 16, 2010, such that the option is fully vested on the earlier of December 16, 2010 or the date of which the director ceases for any reason to be on the Board of Directors. /s/ Lawrence Ruisi 2009-12-18