from SC 13D/A 1 page Schedule II Information With Respect to Transactions Effected During the Past Sixty Days or Since the Most Recent Filing on Schedule 13d (1) Shares Purchased Average Date Sold(-) Price(2) Common Stock-Micromuse Inc. Gabelli Asset Management, Inc. 2/10/06 30,000 9.9350 2/10/06 5,100 9.9450 2/09/06 21,000 9.9450 2/08/06 31,887 9.9523 2/07/06 4,500 9.9500 2/06/06 15,000 9.9450 1/25/06 100,000 9.9400 1/25/06 19,900 9.9400 Gabelli Securities, Inc. Gabelli Associates Ltd 2/10/06 15,000 9.9350 2/10/06 15,200 9.9450 2/09/06 25,200 9.9449 2/09/06 14,000 9.9450 2/08/06 25,000 9.9450 2/08/06 11,000 9.9523 2/07/06 25,000 9.9500 2/06/06 40,400 9.9450 2/03/06 9,130 9.9536 Gabelli Associates Fund II 2/10/06 5,000 9.9350 2/09/06 3,000 9.9450 2/08/06 2,000 9.9523 2/06/06 5,000 9.9450 2/03/06 3,000 9.9536 2/02/06 2,000 9.9600 2/01/06 1,700 9.9400 Gabelli Associates Fund 2/10/06 29,700 9.9450 2/09/06 12,000 9.9450 2/09/06 25,000 9.9449 2/08/06 25,000 9.9450 2/08/06 16,000 9.9523 2/07/06 16,865 9.9500 2/06/06 39,600 9.9450 2/03/06 43,000 9.9536 2/02/06 18,000 9.9600 Mjg Associates, Inc. Gabelli Fund, Ldc 1/30/06 20,000 9.9300 Gabelli Funds, LLC. Gabelli Dividend & Income Trust 1/25/06 100,000 9.9400 Gabelli Abc Fund 2/09/06 400,000 9.9400 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NASDAQ National Market. (2) Price Excludes Commission. (*) Results in Change of Dispositive Power and Beneficial Ownership