Use of Non GAAP Financial MeasuresGAAP results for the three and nine month periods ended September 30, 2009 include non-recurring benefit from change of bad debt estimate. To supplement its consolidated financial statements presented on a GAAP basis, the Company has provided non-GAAP adjusted financial information, which are adjusted net income and adjusted diluted earnings per share, excluding the impact of these items. The Company's management believes that this adjusted measure provides investors with a better understanding of how the results relate to the Company's historical performance. A reconciliation of adjustment to GAAP results appears in the tables accompanying this press release. This additional adjusted information is not meant to be considered in isolation or as a substitute for GAAP financials. The adjusted financial information that the Company provides also may differ from the adjusted information provided by other companies.