Csc Holdings LLC Watch

from 8-K 33 pages Cablevision Systems Corporation (A Delaware Corporation) $750,000,000 7.75% Senior Notes Due 2018 and $500,000,000 8.00% Senior Notes Due 2020 Underwriting Agreement Dated: April 12, 2010 Cablevision Systems Corporation (A Delaware Corporation) $750,000,000 7.75% Senior Notes Due 2018 and $500,000,000 8.00% Senior Notes Due 2020 Underwriting Agreement

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- Cablevision Systems Corporation Gabelli Securities, Inc. 10/16/07 1,500- 33.7313 Gabelli Associates Ltd 10/22/07 1,500- 31.6245 10/12/07 2,500- 34.4474 Gabelli Associates Fund 10/22/07 2,500- 31.6245 10/12/07 3,500- 34.4474 Gamco Investors, Inc. 10/22/07 2,000- 31.6360 10/19/07 500- 31.3900 10/12/07 2,000- 34.4450 Gamco Asset Management Inc. 10/22/07 30,000- 31.6045 10/22/07 2,141- 31.6056 10/22/07 3,000- 31.6473 10/22/07 1,500- 31.5900 10/17/07 200 32.9200 10/17/07 500- 32.6580 10/15/07 500 34.4300 10/12/07 1,000- 34.4474 Mario J. Gabelli 10/15/07 1,000- 34.4400 Gabelli Funds, LLC. Gabelli Abc Fund 10/22/07 10,000- 31.6117 10/22/07 10,000- 31.6045 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (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-Cablevision Sys Corp Gamco Investors, Inc. 10/09/07 2,000- 34.1020 10/08/07 3,000- 34.0780 Gamco Asset Management Inc. 10/10/07 2,500- 34.0300 10/10/07 500- 34.2557 10/09/07 5,000- 33.9690 10/08/07 500 34.2000 10/08/07 2,000- 34.3000 10/08/07 1,000- 34.0600 10/08/07 2,355- 34.2500 10/05/07 500 34.2700 10/05/07 5,000- 34.2542 10/05/07 1,000 34.2775 10/05/07 1,000 34.2800 10/05/07 6,000 34.2790 10/04/07 1,000- 34.5467 8/23/07 300- 33.2598 8/23/07 300 33.2267 Gabelli Securities, Inc. 10/10/07 1,000- 33.8100 Gabelli Associates Ltd 10/11/07 1,000- 34.6100 10/10/07 1,500- 34.2557 10/09/07 2,000- 34.0700 10/08/07 1,000- 34.0600 10/04/07 1,000- 34.5467 Gabelli Associates Fund 10/11/07 1,000- 34.6100 10/10/07 1,000- 34.2557 10/04/07 1,000- 34.5467 Gabelli Funds, LLC. the Gabelli Sri Fund Inc. 10/09/07 200 34.0070 Gabelli Value Fund 10/08/07 50,000- 34.0303 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (2) Price Excludes Commission

from SC 13D/A 1 page Underwriting agreement

from SC 13D/A ~5 pages Underwriting agreement

from S-4 ~50 pages Purchase Agreement

from SC 13D/A ~5 pages Underwriting agreement

from S-4 ~20 pages Purchase Agreement

from SC 13D/A ~10 pages Underwriting agreement

from SC 13D/A ~10 pages Underwriting agreement

from SC 13D/A ~10 pages Underwriting agreement

from SC 13D/A ~10 pages Underwriting agreement

from SC 13D/A ~10 pages Underwriting agreement

from 8-K ~50 pages Purchase Agreement

from SC 13D/A ~5 pages Underwriting agreement

from SC 13D/A ~5 pages Underwriting agreement

from SC 13D/A ~5 pages Underwriting agreement

from SC 13D/A ~5 pages Underwriting agreement

from SC 13D/A ~5 pages Underwriting agreement

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-Cablevision Sys Corp Gabelli Funds, Inc. the Gabelli Asset Fund 5/14/97 4,000 32.4250 Gamco Investors, Inc. 5/21/97 4,000 32.8906 5/21/97 3,000 32.9583 5/21/97 1,200 *DI 5/21/97 7,000 33.0000 5/21/97 4,500 32.8611 5/21/97 2,000- 32.2500 5/21/97 1,000 32.8125 5/21/97 1,000 32.5000 5/20/97 5,000 32.1025 5/19/97 5,000 31.9750 5/19/97 7,000 32.0000 5/16/97 3,800 32.5000 5/15/97 1,000- 32.5750 5/16/97 3,000- 31.4041 5/15/97 8,900 32.4312 5/15/97 2,000 32.3750 5/14/97 10,000 32.6750 5/14/97 6,600 32.4886 5/14/97 10,000 32.6250 5/14/97 2,500 32.5000 (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. 34 <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) Preferred Convertible Stock-Cablevision Sys CV P Gabelli Funds, Inc. the Gabelli Convertible Securities Fund 4/18/97 500- 21.1993 Gamco Investors, Inc. 4/15/97 1,500 21.2500 4/14/97 3,500 20.9107 (1) Unless Otherwise Indicated, All Transactions Were Effected on the American Stock Exchange. (2) Price Excludes Commission. 35