Fort Dearborn Income Securities, Inc. (the “Fund”) (NYSE: FDI), a closed-end management investment company seeking a stable stream of current income consistent with external interest rate conditions and a total return over time that is above what shareholders could receive by investing individually in the investment grade and long-term maturity sectors of the bond market, today announced its performance for the fiscal fourth quarter ended and fiscal year-to-date ended September 30, 2010.

For the fiscal fourth quarter ended September 30, 2010, the Fund's earnings from net investment income were $2,990,384 equal to $0.34 per share. During this period, the Fund paid distributions of $2,193,916, equal to $0.25 per share; any distribution in excess of net investment income is paid from retained earnings per share. Total net realized and unrealized gains from investment activities were $5,078,722 equal to $0.58 per share, for the same period. This compares to earnings from net investment income of $1,998,301, equal to $0.23 per share; distributions paid of $1,491,863, equal to $0.17 per share; and total net realized and unrealized gain from investment activities of $11,659,853 equal to $1.33 per share, for the fiscal fourth quarter ended September 30, 2009.

For the fiscal year ended September 30, 2010, the Fund’s earnings from net investment income were $7,127,124, equal to $0.81 per share. During this period, the Fund paid distributions of $7,898,098, equal to $0.90 per share and short term capital gains distributions of $2,580,046, equal to $0.29 per share. Total net realized and unrealized gains from investment activities were $10,819,203 equal to $1.23 per share, for the same period. This compares to earnings from net investment income of $6,861,976, equal to $0.78 per share; distributions from net investment income of $6,230,722, equal to $0.71 per share; and long-term capital gains distributions of $87,757, equal to $0.01 per share; and total net realized and unrealized gains from investment activities were $23,052,223 equal to $2.63 per share, for the fiscal year ended September 30, 2009.

On September 30, 2010, total net assets of the Fund were $152,241,465. The net asset value per share was $17.35 based on 8,775,665 shares outstanding, which represents an increase of 5.15% from the net asset value per share of $16.50 ($144,773,282 attributable to 8,775,665 shares outstanding) on September 30, 2009.

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