Columbia Equity Trust, 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-Columbia Equity Trust, Inc. Gabelli Securities, Inc. 3/01/07 5,000- 19.5000 Gabelli Associates Ltd 2/28/07 72,400- 19.5300 2/28/07 17,900- 19.5367 Gabelli Associates Fund II 3/01/07 9,000- 19.5000 Gabelli Associates Fund 3/01/07 186,500- 19.5000 2/28/07 72,400 19.5300 Mjg Associates, Inc. Gabelli Performance Partnership 3/01/07 100,000- 19.5000 Gabelli International II Ltd 3/01/07 10,000- 19.5000 Gabelli International Ltd 3/01/07 5,000- 19.5000 Gamco Asset Mangement Inc. 3/01/07 65,400- 19.5000 2/28/07 12,500- 19.5367 2/27/07 6,900 19.4600 2/27/07 2,500 19.4700 Gabelli Funds, LLC. Gabelli Equity Trust 3/01/07 100,100- 19.5000 Gabelli Dividend & Income Trust 3/01/07 448,900- 19.5000 the Gabelli Global Deal Fund 3/01/07 500- 19.5000 Gabelli Abc Fund 3/01/07 85,000- 19.5000 (1) the Dispositions on 03/01/07 Were in Connection With the Merger of the Issuer as Described in Item 5 of This Amendment to Schedule 13d. Under the Terms of the Merger, the Issuer's Shareholders Received $19.50 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-Columbia Equity Trust, Inc. Gabelli Securities, Inc. 2/23/07 5,000 19.4500 1/23/07 2,000- 19.3580 Gabelli Associates Ltd 2/14/07 2,500- 19.3140 2/13/07 3,000- 19.3000 2/12/07 1,500- 19.3500 2/09/07 5,000- 19.3998 Gabelli Associates Fund II 2/23/07 1,000 19.4500 2/13/07 1,000- 19.3000 1/08/07 1,000- 19.3880 Gabelli Associates Fund 2/26/07 10,300 19.4646 2/23/07 9,000 19.4500 2/14/07 2,500- 19.3140 2/13/07 3,000- 19.3000 2/12/07 2,500- 19.3500 2/09/07 7,200- 19.3998 1/08/07 1,000- 19.3880 Mjg Associates, Inc. Gabelli International II Ltd 2/23/07 10,000 19.4500 Gabelli International Ltd 2/23/07 5,000 19.4500 Gamco Asset Mangement Inc. 2/05/07 2,000- 19.4800 Gabelli Funds, LLC. Gabelli Equity Trust 12/29/06 100 19.0800 Gabelli Dividend & Income Trust 2/26/07 198,900 19.4600 the Gabelli Global Deal Fund 2/22/07 500 19.4900 Gabelli Abc Fund 2/06/07 9,900- 19.5400 2/05/07 100- 19.5400 2/02/07 8,000- 19.4700 2/01/07 2,000- 19.4700 1/22/07 6,000- 19.2963 1/18/07 25,000- 19.2017 1/17/07 4,000- 19.4700 (1) Unless Otherwise Indicated, All Transactions Were Effected on the NYSE. (2) Price Excludes Commission

from S-11/A 31 pages Columbia Equity Trust, Inc. (A Maryland Corporation) [ ] Shares of Common Stock Form of Underwriting Agreement