Duquesne Light Holdings Inc Watch

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-Duquesne Light Hlds Gamco Asset Management Inc. 12/01/05 1,000- 17.1900 12/01/05 1,200- 17.2842 11/28/05 2,000- 17.1300 11/25/05 2,000- 17.2535 11/23/05 4,000- 17.2090 11/23/05 5,000- 17.2548 11/23/05 500- 17.2000 11/22/05 500- 17.1100 11/22/05 1,500- 17.0913 11/18/05 700 17.0600 11/14/05 500- 16.6000 11/11/05 700- 16.5371 11/10/05 500- 16.2400 11/08/05 500 16.2360 11/04/05 1,000- 16.2500 11/01/05 500- 16.6400 10/19/05 200 16.3050 10/18/05 2,000 16.4775 10/17/05 500 16.5000 10/14/05 600 16.6617 10/14/05 1,500- 16.6153 10/12/05 4,000 16.4800 10/11/05 1,000- 16.6500 10/11/05 1,000- 16.6080 10/07/05 300 16.8100 Gabelli Funds, LLC. Gabelli Mathers Fund 10/12/05 1,000- 16.4000 (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 8-K 28 pages Duquesne Light Holdings, Inc. 5.50% Notes Due 2015 6.25% Notes Due 2035 Underwriting Agreement

from SC 13D/A 1 page 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 8-K ~20 pages Exhibit 1.2, Underwriting Agreement

from S-3 ~50 pages Underwriting agreement