Sevcon, Inc. – Underwriting Agreements 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-Tech/Ops-Sevcon Gamco Asset Management Inc. 1/25/08 6,100 7.9000 1/23/08 10,300 7.3942 1/22/08 3,600 6.7778 1/07/08 1,800 7.6000 (1) Unless Otherwise Indicated, All Transactions Were Effected on the American Stock Exchange. (2) Price Excludes Commission

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-Tech/Ops-Sevcon Gamco Asset Management Inc. 10/26/07 7,400 8.9854 10/25/07 1,500 9.0000 10/23/07 500 8.6500 10/04/07 700 8.9571 10/03/07 4,900 9.0000 10/02/07 100 8.9300 10/01/07 300 8.8533 9/26/07 100 8.4000 9/24/07 3,900 8.3923 Gabelli Advisers, Inc. 9/28/07 300 8.6000 9/27/07 1,500 8.4900 (1) Unless Otherwise Indicated, All Transactions Were Effected on the American Stock Exchange. (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-Tech/Ops-Sevcon Gamco Asset Management Inc. 6/01/07 85,000- *Do Gabelli Funds, LLC. Gabelli Small Cap Growth Fund 4/25/07 12,000 8.9047 4/12/07 200 6.8500 4/11/07 900 6.8500 (1) Unless Otherwise Indicated, All Transactions Were Effected on the American Stock Exchange. (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-Tech/Ops-Sevcon Gamco Asset Management Inc. 3/08/07 5,500 6.6800 2/02/07 1,600 6.7700 Gabelli Funds, LLC. Gabelli Small Cap Growth Fund 3/29/07 8,900 6.8498 3/28/07 7,700 6.7622 3/27/07 500 6.7000 3/26/07 5,800 6.6586 (1) Unless Otherwise Indicated, All Transactions Were Effected on the American Stock Exchange. (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-Tech/Ops-Sevcon, Inc. Gamco Asset Management Inc. 12/26/06 3,200 7.4934 12/21/06 300 7.4000 12/20/06 2,100 7.3929 12/14/06 1,200 7.4000 12/11/06 3,100 7.3913 12/08/06 700 7.3500 12/05/06 800 7.2500 11/27/06 4,500 6.9067 Gabelli Funds, LLC. Gabelli Small Cap Growth Fund 12/20/06 1,200 7.3000 12/06/06 700 7.3000 12/04/06 2,900 7.1852 11/06/06 4,200 6.9969 (1) Unless Otherwise Indicated, All Transactions Were Effected on the American Stock Exchange. (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-Tech/Ops-Sevcon Inc Gamco Asset Management Inc. 7/12/06 3,200 6.3781 7/10/06 1,200 6.3933 7/06/06 100 6.4000 7/05/06 500 6.4000 7/03/06 2,700 6.4000 6/30/06 7,300 6.3000 5/22/06 2,800 6.4000 5/15/06 2,200 6.3418 (1) Unless Otherwise Indicated, All Transactions Were Effected on the American Stock Exchange. (2) Price Excludes Commission