Lamson & Sessions Co Watch

from SC 13D/A 3 pages 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-Lamson & Sessions Co Gamco Asset Management Inc. 11/05/07 310,600- 27.0000 11/05/07 120,000- 27.0000 Gabelli Advisers, Inc. 11/05/07 500- 27.0000 Gabelli Funds, LLC. Gabelli Small Cap Growth Fund 11/05/07 150,000- 27.0000 Gabelli Equity Trust 11/05/07 72,000- 27.0000 the Gabelli Global Deal Fund 11/05/07 100,000- 27.0000 Gabelli Asset Fund 11/05/07 185,000- 27.0000 (1) the Dispositions on 11/05/07 Were in Connection With the Acquisition Described in Item 5 of This Amendment to Schedule 13d. Under the Terms of the Acquisition, the Issuer's Shareholders Received $27.00 in Cash for Each Share of Issuer's Common Stock. Unless Otherwise Indicated, All Other Transactions Were Effected on the NYSE. (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-Lamson & Sessions Co Gamco Asset Management Inc. 4/10/06 6,500- 30.1211 4/05/06 1,000- 29.4220 3/31/06 2,000- 27.2529 3/30/06 8,000- 26.9461 3/16/06 2,000- 23.1185 Gabelli Funds, LLC. Gabelli Value Fund 4/03/06 5,000- 28.0104 Gabelli Small Cap Growth Fund 4/10/06 5,000- 29.5725 4/05/06 5,000- 29.5392 Gabelli Equity Trust 4/07/06 5,000- 29.0398 4/06/06 5,000- 28.3081 4/03/06 5,000- 28.4794 3/31/06 5,000- 27.6820 3/30/06 10,000- 27.0434 Gabelli Asset Fund 4/10/06 5,000- 29.5725 4/06/06 5,000- 28.3081 4/05/06 15,000- 29.5392 3/31/06 15,000- 27.3560 3/30/06 10,000- 27.1020 3/29/06 5,000- 24.5830 3/27/06 5,000- 23.2314 3/22/06 10,000- 22.1365 3/15/06 5,000- 24.9600 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (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-Lamson & Sessions Co. Gamco Asset Management, Inc. 3/02/06 2,000- 23.5710 2/16/06 5,000- 32.2500 2/15/06 8,500- 30.2467 2/15/06 10,000- 30.4550 2/14/06 3,500- 30.0094 2/10/06 2,200- 28.5455 2/06/06 5,000- 30.3176 2/03/06 5,000- 29.4816 2/01/06 10,000- 29.3500 1/31/06 17,800- 30.0179 1/30/06 10,000- 28.0428 1/30/06 2,000- 28.1000 1/27/06 2,000- 27.6440 1/26/06 1,000- 26.3560 1/26/06 2,000- 26.4730 Gabelli Funds, LLC. Gabelli Value Fund 3/10/06 2,000- 22.2365 2/28/06 10,000- 23.5331 2/27/06 5,000- 26.3096 Gabelli Small Cap Growth Fund 1/30/06 3,000- 27.8450 Gabelli Equity Trust 2/15/06 5,000- 31.0494 1/20/06 5,000- 26.1538 Gabelli Asset Fund 3/10/06 10,000- 22.2365 1/31/06 10,000- 29.8612 1/26/06 5,000- 26.5110 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (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-Lamson & Sessions Co Gamco Asset Management Inc. 1/13/06 5,000- 27.9526 1/10/06 18,000- 30.0113 1/10/06 500- 29.3250 1/09/06 10,000- 28.9472 1/09/06 500- 28.4400 1/06/06 1,000- 27.6770 1/06/06 5,000- 27.6754 1/05/06 5,000- 27.5270 1/04/06 2,000- 28.1380 1/04/06 1,500- 27.7600 Gabelli Funds, LLC. Gabelli Value Fund 1/13/06 5,000- 28.1680 1/11/06 10,000- 29.7024 1/10/06 5,000- 29.7577 1/05/06 10,000- 27.5670 1/04/06 5,000- 27.8010 Gabelli Asset Fund 1/10/06 10,000- 29.7577 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (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-Lamson & Sessions Co Gamco Asset Management Inc. 12/30/05 5,000- 25.1718 12/29/05 2,000- 26.5605 12/27/05 500- 26.0000 12/23/05 1,000- 25.6540 12/23/05 5,000- 25.3880 12/22/05 500- 26.2740 12/22/05 5,000- 26.3270 12/19/05 500- 27.5720 12/19/05 4,000- 27.5590 12/19/05 1,500- 27.5167 12/16/05 5,000- 26.8140 12/16/05 1,000- 27.0500 12/16/05 1,000- 27.0000 Gabelli Advisers, Inc. 12/22/05 500- 26.4000 Gabelli Funds, LLC. Gabelli Value Fund 12/28/05 18,000- 26.1591 12/27/05 900- 26.0156 12/23/05 1,100- 26.0009 Gabelli Equity Trust 12/22/05 10,000- 26.2958 12/21/05 23,700- 26.5181 12/20/05 5,000- 26.0244 12/19/05 11,300- 27.8756 12/16/05 22,000- 26.9939. (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (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-Lamson & Sessions Co Gamco Asset Management Inc. 12/13/05 3,000- 30.5683 12/12/05 3,000- 30.1073 12/12/05 500- 30.0000 12/12/05 3,000- 30.3037 12/12/05 1,000- 30.3500 12/12/05 500- 30.1300 12/12/05 2,000- 30.0500 Gabelli Funds, LLC. Gabelli Small Cap Growth Fund 12/12/05 8,000- 30.2186 Gabelli Equity Trust 12/13/05 36,400- 30.5370 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (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-Lamson & Sessions Co Gabelli Funds, LLC. Gabelli Equity Trust 12/07/05 26,800- 29.1877 12/06/05 3,800- 29.5026 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (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-Lamson & Sessions Co Gamco Asset Mangement Inc. 12/02/05 500- 28.0000 12/01/05 23,100- 27.8433 12/01/05 4,000- 28.0275 12/01/05 2,500- 27.7892 11/25/05 2,000- 23.1500 11/23/05 2,500- 22.9164 11/23/05 2,000- 22.8445 11/23/05 3,000- 22.9000 11/22/05 9,900- 22.8211 11/22/05 2,000- 22.7540 11/22/05 3,000- 22.8483 11/22/05 6,000- 22.9807 11/21/05 1,500- 21.9900 11/21/05 7,400- 22.5403 11/18/05 7,800- 22.6462 11/15/05 5,100- 22.9345 11/15/05 3,000- 23.0050 11/15/05 4,000- 22.8808 11/14/05 9,500- 21.4061 Gabelli Advisers, Inc. 11/23/05 1,000- 23.0045 Gabelli Funds, LLC. Gabelli Small Cap Growth Fund 12/01/05 4,100- 28.0629 12/01/05 500- 26.6500 11/29/05 7,400- 23.7770 11/23/05 1,000- 23.0045 11/22/05 3,000- 22.7500 11/15/05 5,000- 22.8090 11/14/05 2,500- 21.6700 11/11/05 7,300- 21.2173 Gabelli Equity Trust 12/02/05 10,000- 28.0075 12/01/05 20,000- 28.0537 11/22/05 5,000- 22.8422 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (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-Lamson & Sessions Co Gamco Asset Management Inc. 10/12/05 1,000- 19.8000 10/12/05 500- 20.1000 10/12/05 500- 19.8400 10/11/05 500- 21.7300 10/11/05 500- 21.0000 10/04/05 500- 20.7100 10/04/05 13,000- 20.8238 10/04/05 600- 21.0000 9/12/05 2,000- 15.9500 Gabelli Advisers, Inc. 10/28/05 6,000- 20.0723 10/10/05 4,000- 20.9860 10/04/05 1,000- 21.0000 10/03/05 5,000- 19.1810 9/30/05 1,600- 18.0000 9/29/05 400- 18.0000 9/27/05 10,000- 18.1430 9/26/05 4,000- 18.0745 Gabelli Funds, LLC. Gabelli Value Fund 11/04/05 15,000- 20.6272 Gabelli Small Cap Growth Fund 11/08/05 13,700- 20.4965 11/07/05 900- 20.2400 10/11/05 1,600- 21.7888 Gabelli Equity Trust 10/04/05 5,000- 20.7326 Gabelli Asset Fund 11/08/05 5,300- 20.4965 11/07/05 4,700- 20.2206 (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-Lamson & Sessions Co Gamco Investors, Inc. 6/09/05 11,300 11.3936 6/09/05 13,900 11.5000 6/09/05 500 11.6600 6/08/05 9,100 11.7137 6/08/05 1,000 11.7000 6/08/05 1,000 11.6700 6/06/05 900 11.5500 6/06/05 1,200 11.4800 6/03/05 8,400- *Do 6/02/05 9,800 11.3878 5/31/05 600 10.8800 5/27/05 10,000 10.8939 5/24/05 9,500 11.0332 5/23/05 700 11.0500 5/19/05 7,000 11.0000 5/18/05 6,100 10.8807 5/13/05 9,000 11.1830 5/09/05 1,000 11.0000 5/06/05 10,000 10.1304 5/05/05 13,900 10.0000 5/05/05 10,000 9.9456 Gabelli Funds, LLC. Gabelli Value Fund 6/09/05 5,800 11.6021 Gabelli Small Cap Growth Fund 5/31/05 8,000 11.0000 (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-Lamson & Sessions Co Gamco Investors, Inc. 11/18/04 219,100- *Do 11/16/04 1,000 9.0300 11/16/04 1,500- 9.0300 11/16/04 500- 9.0300 11/16/04 500 9.0300 11/16/04 500- 9.0300 11/16/04 1,000 9.0300 10/21/04 10,000- *Do 10/05/04 900- 10.5000 9/28/04 3,000- 9.0000 9/23/04 2,000- 8.7875 Gabelli Funds, LLC. Gabelli Equity Trust 10/04/04 8,000- 9.7245 9/27/04 2,600- 8.5385 (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-Lamson & Session Co Gamco Investors, Inc. 4/02/03 2,700 5.3981 4/02/03 500 5.5180 Gabelli Advisers, Inc. 3/14/03 2,000 3.7290 3/03/03 1,300 3.1469 Gabelli Funds, LLC. Gabelli Small Cap Growth Fund 4/02/03 10,800 5.4700 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (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- Lamson & Session Co Gamco Investors, Inc. 10/31/02 5,000 3.7000 10/31/02 13,500 3.5718 10/31/02 2,000 3.6000 10/28/02 4,000 3.1200 10/24/02 15,000- 3.2488 10/24/02 30,000 3.2083 10/24/02 30,000 3.2488 10/22/02 6,500 3.1846 10/21/02 1,500 2.8000 Gabelli Advisers, Inc. 10/31/02 1,100 3.3864 10/21/02 3,600 3.0119 Gabelli Funds, LLC. Gabelli Value Fund 10/22/02 19,000 3.2472 10/17/02 1,000 2.6400 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (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-Lamson & Session Co Gamco Investors, Inc. 2/26/02 10,000 4.4760 2/26/02 500 4.4500 2/26/02 2,000 4.3000 2/25/02 2,000 4.1875 2/22/02 4,500 4.3111 2/19/02 2,000 4.4825 2/12/02 5,000 4.4730 2/12/02 2,000 4.4250 1/31/02 2,500 5.4900 1/29/02 2,500 5.5440 Gabelli Advisers, Inc. 12/27/01 2,000 5.0000 Gabelli Funds, LLC. Gabelli Value Fund 2/22/02 2,500 4.2500 2/21/02 2,500 4.0000 Gabelli Small Cap Growth Fund 12/27/01 35,500 5.0000 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (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-Lamson & Session Co Gamco Investors, Inc. 11/27/00 23,000 8.9321 11/27/00 7,200 8.9549 11/27/00 8,500 *DI 11/22/00 15,000 9.1963 11/22/00 20,000 9.1963 11/21/00 2,000 9.0000 11/21/00 5,000 9.1250 11/21/00 17,000 8.9669 11/20/00 3,000 9.0000 11/20/00 8,000 9.1250 11/17/00 6,000 9.2271 11/17/00 1,500 9.3125 11/16/00 6,000 9.7083 11/15/00 12,000 9.8542 11/15/00 7,000 9.6250 11/14/00 3,900 9.5385 11/13/00 15,000 8.3408 11/07/00 500 9.8750 Gabelli Funds, LLC. Gabelli Asset Fund 11/13/00 15,400 8.6891 (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-Lamson & Session Co Gamco Investors, Inc. 11/06/00 9,100 9.5165 11/03/00 9,500 10.0000 11/03/00 5,000 10.0000 11/02/00 5,000 9.8750 11/02/00 22,500 9.3630 10/30/00 18,000 8.8333 10/27/00 20,000 8.7875 10/26/00 5,000 9.7500 10/25/00 10,000 10.3175 10/24/00 6,000- 10.3440 10/24/00 10,000 10.2500 10/24/00 1,000 10.3734 10/24/00 15,000 10.3734 10/24/00 15,000- 10.3440 10/24/00 6,000 10.3440 10/24/00 5,000- 10.2500 10/24/00 15,000 10.3440 10/10/00 15,000 10.3588 10/09/00 2,000 9.9375 10/06/00 10,500 10.3464 10/05/00 7,000 11.6946 10/04/00 9,500 11.7566 9/27/00 2,000 14.9000 9/26/00 3,000 14.7500 9/19/00 3,000 18.3750 9/07/00 6,000- 22.5520 9/06/00 2,000- 23.0906 9/06/00 1,000- 23.6875 Gabelli Funds, LLC. Gabelli Value Fund 11/03/00 10,000 10.1500 10/24/00 5,000 10.0125 10/20/00 10,000 10.1250 10/19/00 6,000 10.1042 9/12/00 3,000- 22.1034 9/08/00 3,000- 22.0417 9/06/00 2,000- 22.0625 Gabelli Small Cap Growth Fund 10/30/00 28,000 8.8638 10/10/00 7,000 9.8214 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-Lamson & Session Co Gabelli Small Cap Growth Fund 9/13/00 5,000- 20.8175 Gabelli Equity Trust 9/12/00 10,000- 22.1034 Gabelli Asset Fund 9/18/00 5,000- 19.5000 9/11/00 15,000- 22.5313 9/07/00 5,000- 22.8250 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (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-Lamson & Session Co Gamco Investors, Inc. 8/21/00 2,000- 24.6875 8/21/00 1,500- 24.7083 8/21/00 25,300- 24.5460 8/21/00 8,000- 24.5789 8/18/00 6,500- 24.3615 8/17/00 7,400- 23.6320 8/16/00 15,000- 24.1580 8/16/00 2,000- 24.3125 8/16/00 2,000- 24.5000 7/24/00 400- 18.0644 7/24/00 600 18.5744 7/24/00 200 18.0644 7/24/00 400 18.5744 7/24/00 600- 18.0644 7/24/00 200- 18.0644 Gabelli Funds, LLC. Gabelli Value Fund 8/16/00 5,000- 24.2115 8/15/00 8,000- 23.6632 Gabelli Small Cap Growth Fund 8/21/00 45,000- 24.5183 8/18/00 9,000- 23.9444 8/17/00 1,000- 24.0000 8/16/00 25,000- 24.2115 8/15/00 10,000- 23.6632 Gabelli Asset Fund 8/15/00 10,000- 23.6632 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (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-Lamson & Session Co Gamco Investors, Inc. 8/14/00 16,128- 23.0850 8/11/00 3,000- 20.8750 8/11/00 1,500- 20.8167 8/10/00 9,000- 20.4097 8/10/00 2,000- 20.3750 8/09/00 10,500- 20.5710 8/09/00 4,000- 20.7500 8/08/00 4,700- 21.1064 8/08/00 6,000- 20.8229 8/07/00 17,300- 21.3780 8/07/00 1,000- 21.8750 8/07/00 2,000- 19.0185 8/03/00 3,300- 17.8485 8/02/00 5,000- 18.1250 8/02/00 1,700- 18.0000 8/01/00 5,000 17.8538 8/01/00 5,000- 17.8538 Gabelli Funds, LLC. Gabelli Value Fund 8/14/00 5,000- 22.9628 8/07/00 5,000- 20.9102 Gabelli Small Cap Growth Fund 8/14/00 5,000- 22.9628 8/11/00 3,000- 20.7656 8/07/00 22,000- 20.9102 Gabelli Equity Trust 8/14/00 5,000- 22.9628 8/02/00 5,000- 17.7750 Gabelli Asset Fund 8/14/00 5,000- 22.9628 8/10/00 5,000- 20.6113 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (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-Lamson & Session Co Gamco Investors, Inc. 8/01/00 2,000- 18.2500 8/01/00 6,500- 17.8538 7/31/00 2,000- 18.0906 7/31/00 7,000- 18.1473 7/31/00 2,000- 18.0906 7/31/00 2,000 18.0906 7/28/00 5,000- 17.5875 7/26/00 7,000- 17.8464 7/25/00 11,000- 18.5341 7/25/00 7,000- 18.5536 7/24/00 31,100- 18.7991 7/24/00 2,000- 18.7991 7/24/00 3,000- 18.6250 7/24/00 8,000- 18.8727 7/21/00 1,500- 17.7500 7/21/00 8,500- 17.8735 7/20/00 7,000- 17.7232 7/19/00 6,500- 18.3798 Gabelli Funds, LLC. Gabelli Small Cap Growth Fund 7/28/00 5,000- 17.6402 7/26/00 2,000- 18.1250 7/24/00 3,000- 18.7969 7/20/00 10,000- 17.2744 Gabelli Asset Fund 8/01/00 5,000- 18.1563 7/24/00 5,000- 18.7969 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (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-Lamson & Session Co Gamco Investors, Inc. 7/18/00 20,000- 18.5794 Gabelli Funds, LLC. Gabelli Small Cap Growth Fund 7/17/00 50,000- 18.6670 7/14/00 40,000- 17.7524 7/13/00 20,000- 16.6322 7/12/00 20,000- 16.6953 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (2) Price Excludes Commission