Corporate Profile

Exelon Corporation (NYSE: EXC) is a Fortune 100 energy company with the largest number of utility customers in the U.S. Exelon does business in 48 states, the District of Columbia and Canada and had 2016 revenue of $31.4 billion. Exelon’s six utilities deliver electricity and natural gas to approximately 10 million customers in Delaware, the District of Columbia, Illinois, Maryland, New Jersey and Pennsylvania through its Atlantic City Electric, BGE, ComEd, Delmarva Power, PECO and Pepco subsidiaries. Exelon is one of the largest competitive U.S. power generators, with more than 33,300 megawatts of nuclear, gas, wind, solar and hydroelectric generating capacity comprising one of the nation’s cleanest and lowest-cost power generation fleets. The company’s Constellation business unit provides energy products and services to approximately 2.2 million residential, public sector and business customers, including more than two-thirds of the Fortune 100. Follow Exelon on Twitter @Exelon.

SHAREHOLDER INQUIRIES

Exelon Corporation has appointed Wells Fargo Shareowner Services as its transfer agent, stock registrar, dividend disbursing agent and dividend reinvestment agent. Should you have questions concerning your registered shareholder account or the payment or reinvestment of your dividends, or if you wish to make a stock transaction or stock transfer, you may call shareowner services at Wells Fargo at the toll-free number shown below or access its website at www.shareowneronline.com.

Morgan Stanley administers the Employee Stock Purchase Plan (ESPP), employee stock options and other employee equity awards. Should you have any questions concerning your employee plan shares or wish to make a transaction, you may call the toll-free numbers shown below or access its website at www.stockplanconnect.com.

The company had approximately 113,000 holders of record of its common stock as of Dec. 31, 2016.

The 2016 Form 10-K Annual Report to the Securities and Exchange Commission was filed on Feb. 13, 2017. To obtain a copy without charge, write to Bruce G. Wilson, Senior Vice President, Deputy General Counsel and Corporate Secretary, Exelon Corporation, Post Office Box 805379, Chicago, Illinois 60680-5379.

Corporate Headquarters

Exelon Corporation
P.O. Box 805379
Chicago, IL 60680-5379

Transfer Agent

Wells Fargo Shareowner Services
800.626.8729

Employee Stock Purchase Plan

877.582.5113

Employee Stock Options

888.609.3534

Investor Relations Voice Mailbox

312.394.2345

Shareholder Services Voice Mailbox

312.394.8811

Independent Public Accountants

PricewaterhouseCoopers LLP

Website

www.exeloncorp.com

Twitter

@Exelon

Stock Ticker

EXC

This report contains certain 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 the forward-looking statements made by Exelon Corporation, Commonwealth Edison Company, PECO Energy Company, Baltimore Gas and Electric Company, Pepco Holdings LLC, Potomac Electric Power Company, Delmarva Power & Light Company, Atlantic City Electric Company and Exelon Generation Company, LLC (Registrants) include those factors discussed herein, as well as the items discussed in (1) Exelon’s 2016 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 24; and (2) other factors discussed in filings with the SEC by the Registrants. Readers are cautioned not to place undue reliance on these forward-looking statements, which apply only as of the date of this report. None of the Registrants undertakes any obligation to publicly release any revision to its forward-looking statements to reflect events or circumstances after the date of this report.