Unless otherwise indicated, the terms “we,” “us” and “our” refer to Washington Group International, Inc. (“Washington Group International”) and its consolidated subsidiaries; references to 2006 are to our fiscal year ended December 29, 2006; references to 2005 are to our fiscal year ended December 30, 2005; and references to 2004 are to our fiscal year ended December 31, 2004 .

We file annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and other information with the Securities and Exchange Commission...