X0202 4 2004-12-17 0 0000709804 ADAPTEC INC ADPT 0001252986 MOHR MARSHALL C/O ADAPTEC INC 691 S. MILPITAS BLVD MILPITAS CA 95035 0 1 0 0 Chief Financial Officer Non-Qualified Stock Option 7.66 2004-12-17 4 A 0 35000 0 A 2008-03-31 2009-12-17 Common Stock 35000 385000 D Non-Qualified Stock Option 7.66 2004-12-17 4 A 0 35000 0 A 2007-03-31 2009-12-17 Common Stock 35000 420000 D Becomes exercisable as to 25% of the total option on March 31, 2005. The remaining 75% becomes exercisable in equal installments at the end of each three month period thereafter, such that the option is 100% exercisable by March 31, 2008. 70,285 are attributable to outstanding Incentive Stock Option; 314,715 are attributable to outstanding Non-Qualified Stock Options. Options will become vested and 100% exercisable on March 31, 2007, unless certain performance criteria are achieved in advance of March 31, 2007, in which case the options will immediately become vested and exercisable. 70,285 are attributable to outstanding Incentive Stock Option; 349,715 are attributable to outstanding Non-Qualified Stock Options. Marshall L. Mohr 2004-12-21