Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Exchange Act Rules 13a-15(f). All internal control systems, no matter how well designed, have inherent limitations. Therefore, even those systems determined to be effective can provide only reasonable assurance with respect to financial statement preparation and presentation.
Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we conducted an evaluation of the effectiveness of our internal control over financial reporting based on the framework in Internal Control - Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on our evaluation under the framework in Internal Control—Integrated Framework, our management concluded that our internal control over financial reporting was effective as of December 31, 2007.
During the third quarter, we acquired LXSI Services, Inc. which is not included in our assessment of the effectiveness of our internal control over financial reporting. As a result, management’s conclusion regarding the effectiveness of our internal control over financial reporting does not extend to this company.
The effectiveness of our internal control over financial reporting as of December 31, 2007, has been audited by Deloitte & Touche LLP, an independent registered public accounting firm, as stated in their report which is included herein.
John P. Wiehoff
Chief Executive Officer
and Chairman of the Board
Chad M. Lindbloom
Senior Vice President
and Chief Financial Officer
