Fort Dearborn Income Securities Reports Earnings
UBS Global Asset Management

New York, May 30, 2006 -- Fort Dearborn Income Securities, Inc. ("Fund") (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 second quarter ended and fiscal year-to-date March 31, 2006.

For the fiscal second quarter ended March 31, 2006, the Fund's earnings from net investment income were $1,669,406, equal to $0.19 per share. During this period, the Fund paid dividends of $1,755,133, equal to $0.20 per share. Total net realized and unrealized losses from investment transactions were $(4,058,717), equal to $(0.46) per share, for the same period. This compares to earnings from net investment income of $1,743,897, equal to $0.20 per share; dividends paid of $1,755,133, equal to $0.20 per share; and total net realized and unrealized losses from investment transactions of $(2,856,366), equal to $(0.33) per share, for the fiscal second quarter ended March 31, 2005.

For the six months ended March 31, 2006, the Fund's earnings from net investment income were $3,519,610, equal to $0.40 per share. During this period, the Fund paid dividends of $3,685,779, equal to $0.42 per share, short-term capital gains of $1,043,427, equal to $0.12 per share and long-term capital gains distributions of $193,942, equal to $0.02 per share. Total net realized and unrealized losses from investment transactions were $(5,163,767), equal to $(0.58) per share, for the same period. This compares to earnings from net investment income of $3,530,714, equal to $0.40 per share; dividends paid of $3,703,331, equal to $0.42 per share and long-term capital gains distributions of $930,220 equal to $0.11 per share; and total net realized and unrealized losses from investment transactions were $(1,544,802), equal to $(0.18) per share, for the six months ended March 31, 2005.

On March 31, 2006, total net assets of the Fund were $135,903,337. The net asset value per share was $15.49, based on 8,775,665 shares outstanding, which represents a decrease of 4.21% from the net asset value per share of $16.17 ($141,939,052 attributable to 8,775,665 shares outstanding) on March 31, 2005.

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