X0201 42004-01-0900000799089ASCENTIAL SOFTWARE CORP ASCL0001184792GYENES PETER50 WASHINGTON STREETWESTBOROUGHMA015811100Chief Executive OfficerStock Option (right to buy)27.102004-01-094A040000027.10A2005-01-092014-01-09Common Stock400000400000D25% of the shares covered by the option vest on the 1 year anniversary; the remaining 75% of the shares covered by the option vest over the following three years, in monthly increments. /s/ Peter Gyenes2004-01-13