Adjusted (non-GAAP) operating earnings: This report includes a discussion of adjusted (non-GAAP) operating earnings. For a reconciliation of adjusted (non-GAAP) operating earnings to GAAP (accounting principles generally accepted in the United States), please see Exelon's fourth quarter earnings release issued on Feb. 7, 2013, posted on the Investor Relations page at and included in the Form 8-K filed with the SEC on that date.

Forward-Looking Statements: This report includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 that are subject to risks and uncertainties. The factors that could cause actual results to differ materially from these forward-looking statements include those discussed herein as well as those discussed in (1) Exelon's 2012 Annual Report on Form 10-K in (a) ITEM 1A. Risk Factors, (b) ITEM 7. Management's Discussion and Analysis of Financial Condition and Results of Operations and (c) ITEM 8. Financial Statements and Supplementary Data: Note 18; and (2) other factors discussed in Exelon's filings with the SEC. Readers are cautioned not to place undue reliance on these forward-looking statements, which apply only as of the date of this report. Exelon does not undertake any obligation to publicly release any revision to its forward-looking statements to reflect events or circumstances after the date of this report.