Summary of ALLIANT TECHSYSTEMS INC

Item 2.02 Results of Operations and Financial Condition

On April 27, 2009, Alliant Techsystems Inc. (the "Company") issued a press release announcing that it will record a fiscal 2009 fourth quarter non-cash, non-deductible charge in a range of $105 million to $115 million ($3.08 - $3.38 per share) for impairment of goodwill recorded in connection with certain acquisitions made by the Company from 2003 to 2007. The estimated impairment charge primarily results from the effects of adverse equity market conditions on parameters used by the Company in its required annual testing of goodwill. The Company is in the process of finalizing the actual amount of the impairment charge, which will be completed prior to reporting fourth quarter and full-year 2009 financial results, which is expected to occur on May 7, 2009.

The Company also announced that earnings per share from continuing operations, prior to the charge, are now expected to exceed the Company's previous guidance of $7.40 - $7.50.

Earnings per share from continuing operations before the impairment charge, as used in the press release and this disclosure in Item 2.02 is a non-GAAP financial measure. The Company has provided this information for consistency and comparability of the 2009 results with the Company's prior guidance and results of operations for prior periods.

Statements in this disclosure on Item 2.02 are forward-looking statements and subject to risks and uncertainties described in the press release.

The press release is furnished as Exhibit 99.