On March 5, 2013, NCI Building Systems, Inc. ("NCI") issued a press release announcing NCI's financial results for the quarter ended January 27, 2013. A copy of the press release is attached as Exhibit 99.1.

NCI's press release includes Adjusted EBITDA, Adjusted Operating Income (Loss), Adjusted Net Income (Loss) Applicable to Common Shares and Adjusted Income
(Loss) Per Diluted Common Share which are non-GAAP financial measures. Adjusted EBITDA, Adjusted Operating Income (Loss), Adjusted Net Income (Loss) Applicable to Common Shares and Adjusted Income (Loss) Per Diluted Common Share exclude acquisition-related costs, executive retirement charges, convertible preferred stock beneficial conversion feature and amendment charges, stock-based compensation costs, restructuring charges (recovery), gain on embedded derivative, asset impairments (recoveries) and transaction costs. Adjusted EBITDA is calculated based on the terms contained in NCI's term loan credit agreement. Adjusted EBITDA, Adjusted Operating Income (Loss), Adjusted Net Income (Loss) Applicable to Common Shares and Adjusted Income (Loss) Per Diluted Common Share are measures used by management and, therefore, provided to investors to provide comparability between periods of underlying operational results. Adjusted EBITDA, Adjusted Operating Income (Loss), Adjusted Net Income
(Loss) Applicable to Common Shares and Adjusted Income (Loss) Per Diluted Common Share should not be considered in isolation or as substitutes for operating income (loss), net income (loss) or net income (loss) applicable to common shares determined in accordance with generally accepted accounting principles in the United States. The non-GAAP financial measures are included in the press release furnished hereto as Exhibit 99.1.

The information in this Item 2.02 and in Exhibit 99.1 attached to this Form 8-K shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act") or otherwise subject to the liabilities of that Section, nor shall they be deemed incorporated by reference in any registration statement or other filing under the Securities Act of 1933, as amended or the Exchange Act, except if NCI expressly states that such information is to be considered "filed" under the Exchange Act or incorporates it by specific reference in such filing.

(d) Exhibits.

Exhibit
Number               Description
99.1      Press Release dated March 5, 2013.