X0202 4 2005-04-29 1 0000799089 ASCENTIAL SOFTWARE CORP ASCL 0001183112 SEMEL SCOTT N C/O ASCENTIAL SOFTWARE CORPORATION 50 WASHINGTON STREET WESTBOROUGH MA 01581 0 1 0 0 VP, General Counsel, Secretary Common Stock 2005-04-29 4 D 0 66997 D 0 D Stock Option (right to buy) 9.60 2005-04-29 4 D 0 62500 0.00 D 2012-12-31 Common Stock 62500 0 D Stock Option (right to buy) 11.56 2005-04-29 4 D 0 25000 0.00 D 2012-06-18 Common Stock 25000 0 D Stock Option (right to buy) 12.40 2005-04-29 4 D 0 15625 0.00 D 2011-10-01 Common Stock 15625 0 D Stock Option (right to buy) 19.76 2005-04-29 4 D 0 6250 0.00 D 2012-01-15 Common Stock 6250 0 D Stock Option (right to buy) 27.10 2005-04-29 4 D 0 180000 0.00 D 2014-01-09 Common Stock 180000 0 D Shares listed on Line 1 of Table I were disposed of in a merger transaction between Ascential Software Corporation and IBM (the "Merger") for a cash price of $18.50 per share, as set forth in the definitive Proxy Statement of Ascential dated April 1, 2005, as supplemented by the Supplement to the Proxy Statement dated April 14, 2005, relating to the Merger (the "Merger Proxy Statement"). The options listed in Line 1 of Table II were accelerated prior to and converted upon the Merger into the right to receive an amount in cash equal to the number of shares of Ascential common stock subject to the options multiplied by the excess of $18.50 over the $9.60 per share option exercise price. The options listed in Line 2 of Table II were accelerated prior to and converted upon the Merger into the right to receive an amount in cash equal to the number of shares of Ascential common stock subject to the options multiplied by the excess of $18.50 over the $11.56 per share option exercise price. The options listed in Line 3 of Table II were accelerated prior to and converted upon the Merger into the right to receive an amount in cash equal to the number of shares of Ascential common stock subject to the options multiplied by the excess of $18.50 over the $12.40 per share option exercise price. The options listed in Lines 4 and 5 of Table II were accelerated prior to and cancelled in the Merger because the exercise price exceeded $18.50. /s/ Scott N. Semel 2005-05-03