Cuno Inc Watch

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-Cuno Inc Gamco Investors, Inc. 8/13/03 1,500- 37.0373 8/13/03 800- 37.0000 8/11/03 500- 34.7520 8/11/03 1,500- 34.7600 8/11/03 3,000- 34.7180 8/07/03 2,800- 34.2729 8/07/03 400- 33.5000 8/06/03 700- 34.9900 8/04/03 1,000- *Do 8/04/03 800- 36.7137 8/01/03 2,200- 38.2000 7/31/03 500- 38.4717 7/29/03 1,500- 36.4521 7/28/03 1,200- 36.5648 7/24/03 500- 36.7176 7/23/03 600- 36.5700 7/22/03 300- 36.1600 7/21/03 3,700- 36.8904 7/18/03 300- 37.8333 7/16/03 3,400- 37.8398 7/14/03 1,000- 37.5974 7/08/03 2,000- 37.0720 7/03/03 800- 37.2684 7/01/03 600- 36.0030 6/27/03 2,000- 36.8045 6/26/03 1,000- 36.6760 6/25/03 1,000- 35.4980 6/23/03 500- 36.2160 6/20/03 500- 37.2500 6/19/03 1,500- *Do 6/16/03 110- 35.0809 Gabelli Funds, LLC. Gabelli Small Cap Growth Fund 7/07/03 1,000- 37.1000 (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

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-Cuno Inc Gamco Investors, Inc. 6/26/02 1,000- 34.8230 6/24/02 3,200- 34.0241 6/21/02 1,000- 34.7500 6/20/02 1,000- 34.4450 6/19/02 200- 34.0000 6/18/02 1,000- 33.6200 6/17/02 4,500- 33.0000 6/14/02 1,500- 32.7900 6/13/02 1,500- 33.3533 6/06/02 500- 34.0000 6/05/02 1,000- 34.1500 5/23/02 1,000- 34.4250 5/22/02 2,000- 34.6315 5/21/02 200- 34.5000 5/20/02 500- 35.0000 5/13/02 800- 35.0000 5/07/02 500- 36.0000 5/03/02 1,500- 37.2667 5/03/02 500- 37.1500 5/01/02 1,300- 34.3323 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NASDAQ National Market. (2) Price Excludes Commission

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-Cuno Inc Gamco Investors, Inc. 1/10/02 24,300- 34.3767 1/10/02 12,600- 34.2877 1/10/02 500- 34.2710 1/09/02 2,000- 34.1000 1/09/02 2,500- 34.2500 1/08/02 500- 34.0000 1/08/02 6,000- 34.3127 1/04/02 6,500- 33.3126 1/03/02 2,000- 31.4600 1/03/02 4,000- 32.4660 1/02/02 1,000- 30.5100 12/27/01 1,000- 30.9610 12/21/01 500- 29.9000 12/18/01 500- 29.5600 12/17/01 500- 29.8080 12/17/01 1,000- 29.5000 12/11/01 1,500- 28.5480 12/10/01 1,500- 28.7433 12/07/01 3,500- 29.0471 11/30/01 2,600- 29.5270 11/29/01 6,650- 29.4047 11/29/01 1,000- 29.3050 11/28/01 3,300- 29.5761 11/27/01 500- 29.0000 11/26/01 500- 28.9760 11/21/01 1,500- *Do 11/21/01 500- 28.0020 11/19/01 1,000- 27.0100 Gabelli Funds, LLC Gabelli Small Cap Growth Fund 12/06/01 3,000- 29.8900 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (2) Price Excludes Commission. (*) Results in Change of Dispositive Power and Beneficial Ownership. (

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-Cuno Inc Gamco Investors, Inc. 1/18/00 3,000 20.1250 1/14/00 7,400 20.1993 1/12/00 3,000 19.7500 1/12/00 1,000 19.9375 1/12/00 7,200 19.8273 1/12/00 1,000 20.0000 1/11/00 55,000 19.8013 1/10/00 22,000 19.9139 1/07/00 2,000 20.0000 1/07/00 10,000 19.9688 1/07/00 1,000 19.9375 1/07/00 40,000 19.9297 1/07/00 8,000 19.9375 Gabelli Funds, LLC. the Gabelli Small Cap Growth Fund 1/10/00 3,000 20.0000 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NASDAQ National Market. (2) Price Excludes Commission

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-Cuno Inc Gamco Investors, Inc. 1/06/00 1,000 19.7500 1/06/00 62,000 19.7832 1/05/00 1,500 19.5625 1/05/00 1,000 19.7500 1/05/00 5,000 19.7537 1/04/00 3,000 20.0000 1/04/00 5,500 20.1932 1/04/00 500 20.3750 1/03/00 2,500- 20.5000 1/03/00 23,500 20.4250 1/03/00 2,500 20.5000 1/03/00 7,500 20.5417 1/03/00 8,500 20.5000 12/31/99 500 20.5000 12/30/99 12,400 20.2944 12/30/99 4,500 20.5000 12/29/99 1,500 20.5000 12/28/99 1,200 20.5000 12/27/99 4,200 20.5000 12/23/99 300 20.6250 12/23/99 400 20.5000 12/22/99 1,000 20.5625 12/22/99 1,700 20.5000 12/21/99 2,500 20.5000 12/21/99 13,300 20.4793 12/20/99 1,500 20.5000 12/20/99 31,000 20.4395 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NASDAQ National Market. (2) Price Excludes Commission

from S-1/A ~20 pages Underwriting Agreement

from S-1 ~20 pages Underwriting agreement