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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a)

of the Securities Exchange Act of 1934

(Amendment No.     )

Filed by the Registrant x   Filed by a Party other than the Registrant ¨

Check the appropriate box:

EXELON CORPORATION

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

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NOTICE OF THE ANNUAL MEETING

AND 2010 PROXY STATEMENT

March 18, 2010

Dear Shareholder:

We will hold the annual meeting of Exelon Corporation shareholders on Tuesday, April 27, 2010 at 9:30 a.m. Central Daylight Savings Time at Exelon Corporation headquarters, 10 South Dearborn Street, Chicago, Illinois.

The purpose of the annual meeting is to consider and take action on the following matters:

Shareholders of record as of March 1, 2010 are entitled to vote at the annual meeting.

We are again pleased this year to take advantage of the Securities and Exchange Commission rule that permits us to furnish proxy materials to shareholders over the Internet. On or about March 18, 2010, we will mail to our shareholders a Notice Regarding the Availability of Proxy Materials, which will indicate how to access our proxy materials on the Internet. By furnishing the Notice Regarding Availability of Proxy Materials, we are lowering the costs and reducing the environmental impact of our annual meeting.

Unlike previous years, brokers holding shares beneficially owned by their clients will no longer have the ability to cast votes with respect to the election of directors unless they have received instructions from the beneficial owner of the shares. If your shares are held by a broker, it is important that you provide instructions to your broker so your vote is counted in the election of directors.

Bruce G. Wilson

Senior Vice President, Deputy General Counsel and Corporate Secretary

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1. Communication with the Board of Directors

Process for Shareholder Communications with the Board

Shareholders and other interested persons can communicate with the chairman of the corporate governance committee or with the independent directors as a group by writing to them, c/o Bruce G. Wilson, Senior Vice President, Deputy General Counsel and Corporate Secretary, Exelon Corporation, 10 South Dearborn Street, P.O. Box 805398, Chicago, Illinois 60680-5398. The board has instructed the corporate secretary to review communications initially and transmit a summary to the directors and to exclude from transmittal any communications that are commercial advertisements, other forms of solicitation, general shareholder service matters or individual service or billing complaints. Under the board policy, the corporate secretary will forward to the directors any communication raising substantial issues. All communications are available to the directors upon request. Shareholders may also report an ethics concern with the Exelon Ethics Hotline by calling 1-800-23-Ethic (1-800-233-8442). You may also report an ethics concern via the Internet at EthicsOffice@ExelonCorp.com.

Shareholder Proposals

If you want to submit a proposal for possible inclusion in next year’s proxy statement, you must submit it in writing to the Corporate Secretary, Exelon Corporation, 10 South Dearborn Street, P.O. Box 805398, Chicago, Illinois 60680-5398. Exelon must receive your proposal on or before November 17, 2010. Exelon will consider only proposals meeting the requirements of the applicable rules of the Securities and Exchange Commission (“SEC”). The proposal must also disclose fully all ownership interests the proponent has in Exelon and contain a representation as to whether the shareholder has any intention of delivering a proxy statement to the other shareholders of Exelon.

We strongly encourage any shareholder interested in submitting a proposal to contact our Corporate Secretary in advance of this deadline to discuss the proposal, and shareholders may want to consult knowledgeable counsel with regard to the detailed requirements of applicable securities laws. Submitting a shareholder proposal does not guarantee that we will include it in our proxy statement. Our corporate governance committee reviews all shareholder proposals and makes recommendations to the board for action on such proposals.

Additionally, under our Bylaws, for a shareholder to bring any matter before the 2011 annual meeting that is not included in the 2011 Proxy Statement, the shareholder’s written notice must be received by the Corporate Secretary not less than 120 days prior to the first anniversary of the 2010 annual meeting, which will be December 28, 2010.

Director Nominations

A shareholder who wishes to recommend a candidate (including a self-nomination) to be considered by the Exelon corporate governance committee for nomination as a director must submit the recommendation in writing to Mr. M. Walter D’Alessio, Chair of the Corporate Governance Committee, c/o Bruce G. Wilson, Senior Vice President, Deputy General Counsel and Corporate Secretary, Exelon Corporation, 10 South Dearborn Street, P.O. Box 805398, Chicago, Illinois 60680-5398. The corporate governance committee will consider all recommended candidates and self-nominees when making its recommendation to the full board of directors to nominate a slate of directors for election.

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Availability of Corporate Documents

The Exelon Corporate Governance Principles, the Exelon Code of Business Conduct, the Exelon Amended and Restated Bylaws, and the charters for the audit, corporate governance, compensation and other committees of the board of directors are available on the Exelon website at www.exeloncorp.com, on the corporate governance page under the investor relations tab. Copies may be printed from the Exelon website and copies are available without charge to any shareholder who requests them by writing to Bruce G. Wilson, Senior Vice President, Deputy General Counsel and Corporate Secretary, Exelon Corporation, 10 South Dearborn Street, P.O. Box 805398, Chicago, Illinois 60680-5398. In addition, our Articles of Incorporation, Compensation Consultant Independence Policy, Political Contributions Guidelines, biographical information concerning each director, and all of our filings submitted to the SEC are also available on our website. Access to this information is free of charge to any user with internet access. Information contained on our website is not part of this proxy statement.

2. Frequently Asked Questions

Why did I receive these proxy materials?

We are providing these proxy materials in connection with the solicitation by the board of directors of Exelon Corporation (“Exelon,” the “company,” “we,” “us,” or “our”), a Pennsylvania corporation, of proxies to be voted at our 2010 annual meeting of shareholders and at any adjournment or postponement.

You are invited to attend the annual meeting of shareholders. It will take place on April 27, 2010, beginning at 9:30 a.m., Central Daylight Savings Time, at Exelon headquarters, 10 South Dearborn Street, Chicago, Illinois.

Can I access the Notice of Annual Meeting and Proxy Statement and the 2009 Financial Report on the Internet?

As permitted by SEC rules, we are making this proxy statement and our annual report available to shareholders electronically via the internet at www.proxyvote.com. On March 18, 2010, we began mailing to our shareholders a notice containing instructions on how to access this proxy statement and our annual report and how to vote online. If you received that notice, you will not receive a printed copy of the proxy materials unless you request it by following the instructions for requesting such materials contained on the notice or set forth in the following paragraph.

If you received a paper copy of this proxy statement by mail and you wish to receive a notice of availability of next year’s proxy statement either in paper form or electronically via e-mail, you can elect to receive a paper notice of availability by mail or an e-mail message that will provide a link to these documents on the ProxyVote website. By opting to receive the notice of availability and accessing your proxy materials online, you will save Exelon the cost of producing and mailing documents to you, reduce the amount of mail you receive and help preserve resources.

Shareholders of Record: If you vote on the internet at www.proxyvote.com, simply follow the prompts for enrolling in the electronic delivery service.

Beneficial Owners: You also may be able to receive copies of these documents electronically. Please check the information provided in the proxy materials sent to you by your bank, broker or other holder of record regarding the availability of this service.

Do I need a ticket to attend the annual meeting?

You will need an admission ticket or proof of ownership to enter the annual meeting. You may present any of the following in order to enter: (1) the Notice Regarding Availability of Proxy Materials, which contains instructions on how to access this proxy statement; (2) the bottom half of your proxy card; or (3) if you received your proxy materials through the internet, the e-mail with your control number.

If your shares are held in the name of a bank, broker, or other holder of record and you plan to attend the meeting, you must present proof of your ownership of Exelon stock as you enter the meeting, such as a bank or brokerage account statement. If you would rather have an admission ticket, you can obtain one in advance by mailing a written request, along with proof of your ownership of Exelon stock, to:

Annual Meeting Admission Tickets c/o Bruce G. Wilson, Senior Vice President, Deputy General Counsel and Corporate Secretary, Exelon Corporation, 10 South Dearborn Street, P.O. Box 805398 Chicago, Illinois 60680-5398.

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Shareholders also must present a form of personal photo identification in order to be admitted into the meeting.

No cameras, recording equipment, electronic devices, large bags, briefcases or packages will be permitted into the meeting or adjacent areas. All other items may be subject to search.

Who is entitled to vote at the annual meeting?

Holders of Exelon common stock at the close of business on March 1, 2010, are entitled to receive notice of the annual meeting and to vote their shares at the meeting. As of that date, there were 660,381,785 shares of common stock outstanding and entitled to vote. Each share of common stock is entitled to one vote on each matter properly brought before the meeting.

What is the difference between holding shares as a shareholder of record and as a beneficial owner?

If your shares are registered directly in your name with Exelon’s transfer agent, BNY Mellon Shareowner Services, you are the “shareholder of record” of those shares. This Notice of Annual Meeting and Proxy Statement and accompanying documents have been provided directly to you by Exelon.

If your shares are held in a stock brokerage account or by a bank or other holder of record, you are considered the “beneficial owner” of those shares. This Notice of Annual Meeting and Proxy Statement and the accompanying documents have been forwarded to you by your broker, bank or other holder of record. As the beneficial owner, you have the right to direct your broker, bank or other holder of record how to vote your shares by using the voting instruction card or by following their instructions for voting by telephone or on the Internet.

How do I vote?

Your vote is important. We encourage you to vote promptly. Internet and telephone voting are available through 11:59 p.m. Central Daylight Savings Time on Monday, April 26, 2010. You may vote in the following ways:

May I revoke a proxy?

Yes. You may revoke a proxy at any time before the proxy is exercised by filing with the Corporate Secretary a notice of revocation, or by submitting a later-dated proxy by mail, telephone or electronically through the Internet. You may also revoke your proxy by attending the annual meeting and voting in person.

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What is householding and how does it affect me?

Exelon has adopted a procedure approved by the SEC called “householding.” Under this procedure, shareholders of record who have the same address and last name and do not participate in electronic delivery of proxy materials will receive only one copy of this Notice of Annual Meeting and Proxy Statement and the 2009 Financial Report, unless we are notified that one or more of these shareholders wishes to continue receiving individual copies. This procedure will reduce our printing costs and postage fees.

What are the voting requirements to elect the directors and to approve each of the proposals discussed in the Proxy Statement?

The presence of the holders of a majority of the outstanding shares of common stock entitled to vote at the annual meeting, in person or represented by proxy, is necessary to constitute a quorum.

Election of Directors; Majority Vote Policy

Under our Bylaws, directors must be elected by a majority of votes cast in uncontested elections. This means that the number of votes cast “for” a director nominee must exceed the number of votes cast “against” the nominee. In contested elections, the vote standard would be a plurality of votes cast.

Our Bylaws provide that, in an uncontested election, each director nominee must submit to the board before the annual meeting a letter of resignation that is conditioned on not receiving a majority of the votes cast at the annual meeting. The resignation of a director nominee who is not an incumbent director is automatically accepted by the board. The resignation of an incumbent director is tendered to the independent directors of the board for a determination of whether or not to accept the resignation. The board’s decision and the basis for the decision would be disclosed within 90 days following the certification of the final vote results.

Approval of 2011 Long-Term Incentive Plan

The votes cast “for” must exceed the votes cast “against” to approve the 2011 Long-Term Incentive Plan.

In addition, New York Stock Exchange (NYSE) rules require that the total votes cast “for” and “against” this proposal must represent greater than 50% of all the shares entitled to vote on this proposal. It is therefore important that you vote, or direct the holder of record to vote, on this proposal.

Ratification of PricewaterhouseCoopers as Independent Auditor

The votes cast “for” must exceed the votes cast “against” to approve the ratification of PricewaterhouseCoopers LLP as our independent registered public accounting firm.

Could other matters be decided at the annual meeting?

At the date this Proxy Statement went to press, we did not know of any matters to be raised at the annual meeting other than those referred to in this Proxy Statement.

Who will count the votes?

Representatives of Broadridge Financial Communications and Exelon’s Office of Corporate Governance will tabulate the votes and act as inspectors of the election.

Where can I find the voting results?

We will report the voting results in a Form 8-K to be filed with the SEC within four business days following the end of our annual meeting.

Who will pay for the cost of this proxy solicitation?

Exelon will pay the cost of soliciting proxies. Proxies may be solicited on our behalf by directors, officers or employees in person or by telephone, electronic transmission and facsimile transmission. We have hired The Altman Group, Inc. to distribute and solicit proxies. We will pay The Altman Group, Inc. a fee of $12,000, plus reasonable expenses for these services.

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3. Corporate Governance at Exelon

Exelon is committed to maintaining the highest standards of corporate governance. We believe that strong corporate governance is critical to achieving our performance goals, and to maintaining the trust and confidence of investors, employees, customers, regulatory agencies and other stakeholders. A summary of our Corporate Governance Principles is set forth below. The Corporate Governance Principles are revised from time to time to reflect emerging governance trends and to better address the particular needs of the company as they change over time.

Corporate Governance Principles

Our Corporate Governance Principles, together with the board committee charters, provide the framework for the effective governance of Exelon. The board of directors has adopted our Corporate Governance Principles to address matters including qualifications for directors, standards of independence for directors, election of directors, responsibilities and expectations of directors, and evaluating board, committee and individual director performance. The Principles also address director orientation and training, the evaluation of the chief executive officer and succession planning.

The Board’s Function and Structure

Exelon’s business, property and affairs are managed under the direction of the board of directors. The board is elected by shareholders to oversee management of the company in the long-term interest of all shareholders. The board considers the interests of other constituencies, which include customers, employees, annuitants, suppliers, the communities we serve, and the environment. The board is committed to ensuring that Exelon conducts business in accordance with the highest standards of ethics, integrity, and transparency.

Lead Director; Chairman of the Board

Exelon’s Corporate Governance Principles establish the position of Lead Director. The Lead Director is an independent director elected by the independent directors of the Exelon board, upon the recommendation of the corporate governance committee, with responsibilities to act at any time when (1) the positions of Chairman of the Board and the Chief Executive Officer are held by the same person; or (2) for other reasons the person holding the position of Chairman of the Board is not an independent director under the applicable director independence standards.

As specified in the Corporate Governance Principles, the role of the Lead Director includes:

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The board of directors has appointed John W. Rowe to hold the positions of Chairman of the Board and Chief Executive Officer. Although the board has determined that Mr. Rowe will serve in the combined role of Chairman and CEO, the board has the right to separate those roles if in the future it determines that such a separation would be in the best interest of Exelon and its shareholders. For the reasons discussed below, the board currently believes the combination of the positions of Chairman and CEO is the best structure for Exelon.

The board has determined that Mr. Rowe should serve in the combined roles of Chairman and CEO because it firmly believes that Exelon has in place effective arrangements and structures to ensure that the company maintains the highest standard of corporate governance and board independence and independent board leadership and continued accountability of the CEO to the board. These arrangements and structures include:

Information About the Board of Directors and Committees

The board of directors held nine meetings during 2009. The board also attended a two-day strategy retreat with the senior officers of Exelon and subsidiary companies. All directors attended at least 75% of all board and committee meetings that they were eligible to attend, with an average attendance of 98% across all directors for all board and committee meetings. Although Exelon does not have a formal policy requiring attendance at the annual shareholders meeting, all directors generally attend the annual meeting and all of them did so in 2009.

The Corporate Governance Principles provide that Mr. Rowe is considered an invited guest and is welcome to attend all committee meetings, except when the independent directors meet in executive session, such as when they conduct Mr. Rowe’s performance evaluation or discuss his compensation.

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The board of directors has established six standing committees to assist the board in carrying out its duties: the audit committee, the compensation committee, the corporate governance committee, the energy delivery oversight committee, the generation oversight committee and the risk oversight committee. We describe the committees, their membership during 2009 and their principal responsibilities below:

Board Oversight of Risk

The company operates in a market and regulatory environment that involves significant risks, many of which are beyond its control. The company has an enterprise risk management group consisting of a Chief Risk Officer and a full-time staff of 54 persons. The risk management group draws upon other company personnel for additional support on various matters related to the identification, assessment and management of enterprise risks. The company also has a risk management committee of company officers and other management personnel, who meet regularly to discuss matters related to enterprise risk management generally and particular risks associated with new developments or proposed transactions under consideration. Management of the company regularly meets with the Chief Risk Officer and the risk management committee to identify and evaluate the most significant risks of the businesses and appropriate steps to manage and mitigate those risks. In addition, the Chief Risk Officer and risk management group staff perform an annual assessment of enterprise risks, drawing upon resources throughout the company for an assessment of the likelihood and magnitude of the identified risks. The Chief Risk Officer and senior executives of the company discuss those risks with the risk oversight and audit committees of the Exelon board of directors and the Commonwealth Edison Company (“ComEd”) and PECO Energy Company (“PECO”) boards of directors. In addition, the Exelon board’s generation oversight and energy delivery oversight committees, respectively, evaluate risks related to the company’s generation and energy delivery businesses. The committees of the Exelon board regularly report to the full board on the committees’ discussions of enterprise risks. In addition, the Exelon board regularly discusses enterprise risks in connection with consideration of emerging trends or developments and in connection with the evaluation of capital investments and other business opportunities.

Board/Committee/Director Evaluation

The board has a three-part annual evaluation process that is coordinated by the corporate governance committee: committee self-evaluations; a full board evaluation; and the evaluation of the individual directors. The committee self-assessments consider whether and how well each committee has performed the responsibilities in its charter, whether the committee members possess the right skills and experience to perform their responsibilities or whether additional education or training is required, whether there are sufficient meetings covering the right topics, whether the meeting materials are effective, and other

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matters. The full board evaluation considers the following, in light of the committee self-assessments: (1) the effectiveness of the board organization and committee structure; (2) the quality of meetings, agendas, presentations and meeting materials; (3) the effectiveness of director preparation and participation in discussions; (4) the effectiveness of director selection, orientation and continuing education processes; (5) the effectiveness of the process for establishing the CEO’s performance criteria and evaluating his performance; and (6) the quality of administrative planning and logistical support.

Individual director performance assessments involve a discussion among the members of the corporate governance committee of each director’s performance using the performance expectations for directors contained in the Corporate Governance Principles. In addition, the chairman of the corporate governance committee or the chairman of the board provides individual feedback, as necessary. All assessments focus on both strengths and opportunities for improvement.

Director Education

The board has a program, overseen by the corporate governance committee, for orienting new directors and providing continuing education for all directors. The orientation program is tailored to the needs of each new director depending on his or her level of experience serving on other boards and knowledge of the company or industry acquired before joining the board. All new directors receive materials about Exelon, the board and board policies and operations. Each new director is scheduled for meetings with the CEO and each executive vice president and members of his or her staff for a briefing on the executive’s responsibilities, programs and challenges. New directors are also scheduled for tours of various company facilities, depending on their orientation needs (incumbent directors are also invited to participate in the site visits, if available).

Continuing director education is primarily delivered during portions of regular board and committee meetings and focuses on the topics necessary to enable the board to consider effectively issues before them at that time (such as new regulatory or accounting standards). The education often takes the form of “white papers,” covering timely subjects or topics, which a director can review before the meeting and ask questions about during the meeting. The audit committee devotes a full meeting each year to educating the committee members about new accounting rules and standards, and topics that are necessary to having a good understanding of our accounting practices and financial statements. Both the energy delivery oversight committee and the generation oversight committee use site visits as a regular part of education for their members: (1) the generation oversight committee holds each meeting at a different generating station (nuclear, fossil and hydro) and the agenda always includes a briefing by local plant management, a tour of the facility and lunch with plant personnel; and (2) the energy delivery oversight committee periodically tours substations, transmission and distribution lines, call centers and other facilities. The company pays the cost for any director to attend outside director education seminars on corporate governance or other topics relevant to their service as directors.

Audit Committee

The audit committee is comprised of entirely independent directors and is governed by a board-approved charter stating its responsibilities. The audit committee met twelve times in 2009. Under its charter, the audit committee’s principal duties include:

The committee meets outside the presence of management for portions of its meetings to hold separate discussions with the independent accountant, the internal auditors and the chief legal officer.

Audit Committee Financial Experts

The board of directors has determined that each of the members of the audit committee is an “audit committee financial expert” for purposes of the SEC’s rules.

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The board of directors also has determined that each of the members of the audit committee is independent as defined by the rules of the NYSE and our Corporate Governance Principles.

Report of the Audit Committee

In fulfilling its responsibilities, the audit committee has reviewed and discussed the audited financial statements contained in the 2009 Annual Report on SEC Form 10-K with Exelon Corporation’s management and the independent accountant. The Exelon audit committee discussed with the independent accountant the matters required to be discussed by Statement on Auditing Standards No. 61, as amended (AICPA, Professional Standards, Vol. 1. AU section 380), as adopted by the Public Company Accounting Oversight Board in Rule 3200T. In addition, the Exelon audit committee has received the written disclosures and the letter from the independent accountant required by applicable requirements of the Public Company Accounting Oversight Board regarding the independent accountant’s communications with the audit committee regarding independence and has discussed with the independent accountant the independent accountant’s independence.

In reliance on the reviews and discussions referred to above, the Exelon audit committee recommended to the Exelon board of directors (and the Exelon board of directors has approved) that the audited financial statements be included in Exelon Corporation’s Annual Report on Form 10-K for the year ended December 31, 2009, for filing with the SEC.

The committee has a charter that has been approved by the Exelon board of directors.

Compensation Committee

The compensation committee is comprised entirely of independent directors and is governed by a board-approved charter stating its responsibilities. The compensation committee met five times in 2009.

The compensation committee’s principal duties, as discussed in its charter, include:

Executive officers are involved in evaluation of the performance and development of initial recommendations with respect to compensation adjustments; however, the compensation committee (and the independent directors and the full board of directors, respectively, with respect to the compensation of the CEO and the executive vice presidents and the ComEd CEO) makes the final determinations with respect to compensation programs and adjustments. Under Exelon’s Corporate Governance Principles, the CEO is considered an invited guest and is welcome to attend the meetings of the compensation committee, except when the compensation committee meets in executive session to discuss, for example, the CEO’s own compensation. The CEO cannot call meetings of the compensation committee.

Management, including the executive officers, makes recommendations as to goals for the incentive compensation programs that are aligned with Exelon’s business plan. The compensation committee reviews the recommendations and establishes the final goals. The compensation committee strives to ensure that the goals are consistent with the overall strategic goals set by the board of directors (including the individual goals of subsidiaries, as appropriate), that they are sufficiently difficult to meaningfully incent management performance, and, if the targets are met, that the payouts will be

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consistent with the design for the overall compensation program. Executive officers take an active role in evaluating the performance of the executives who report to them, directly or indirectly, and in recommending the amount of compensation their subordinate executives receive. Executive officers review peer group compensation data for each of their subordinates in conjunction with their annual performance reviews to formulate a recommendation for base salary and whether to apply an individual performance multiplier to the subordinate executive’s annual incentive payout, and if so, the amount of the multiplier. Executive officers generally do not make recommendations with respect to annual and long-term incentive target percentages or payouts. The CEO reviews all of the recommendations of the executive officers before they are presented to the compensation committee. The human resources function provides to the compensation committee and the independent directors data showing the history of the CEO’s compensation and data that analyzes the cost of a range of several alternatives for changes to the CEO’s compensation, but neither the executive officers nor the CEO makes any recommendation to the compensation committee or the independent directors with respect to the compensation of the CEO.

The compensation committee has delegated to the CEO the authority to make off-cycle awards to employees who are not subject to the limitations of Section 162(m), are not executive officers for purposes of reporting under Section 16 of the Securities Exchange Act of 1934, and are not executive vice presidents or higher of Exelon, provided that such authority is limited to making grants of up to 1,200,000 options in the aggregate, and 20,000 options per recipient in any year. The compensation committee reviews and ratifies these grants. On rare occasions, stock options are granted to new hires on the date they commence employment.

Compensation Consultant

Pursuant to the compensation committee’s charter, the committee is authorized to retain and terminate, without board or management approval, the services of an independent compensation consultant to provide advice and assistance, as the committee deems appropriate. The committee has the sole authority to approve the consultant’s fees and other retention terms, and reviews the independence of the consultant and any other services that the consultant or the consultant’s firm may provide to the company. The chair of the compensation committee reviews, negotiates and executes an engagement letter with the compensation consultant. The compensation consultant directly reports to the committee. The committee engaged Mr. Richard Meischeid, Managing Principal of Towers Perrin (known since January 2010 as Towers Watson), as its independent compensation consultant for 2009.

As part of its ongoing services to the compensation committee, the compensation consultant supports the committee in executing its duties and responsibilities with respect to Exelon’s executive compensation programs by providing information regarding market trends and competitive compensation programs and strategies. In supporting the compensation committee, the compensation consultant does the following:

Exelon’s human resources staff and senior management use the data provided by the compensation consultant to prepare documents for use by the compensation committee in preparing their recommendations to the full board of directors or, in the case of the CEO, the independent directors, on compensation for the senior executives. In addition to its general responsibilities, the compensation consultant attends the compensation committee’s meetings, if requested. The committee, or Exelon’s management on behalf of the committee, may also ask the compensation consultant to perform other executive and non-executive compensation-related projects. The committee has established a process for determining whether any significant additional services will be needed and whether a separate engagement for such services is necessary.

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The committee adopted a formal compensation consultant independence policy in July 2009 that codified its past practices. The compensation consultant independence policy is available on the Exelon website at www.exeloncorp.com, under the investor relations tab. The purpose of the policy is to ensure that the advisers or consultants retained by the committee are independent of the company and its management, as determined by the committee using its reasonable business judgment. The committee considers all facts and circumstances it deems relevant, such as the nature of any relationship between a compensation consultant, the compensation consultant’s firm, and the company and the nature of any services provided by the compensation consultant’s firm to the company that are unrelated to the compensation consultant’s work for the committee. Under the policy, a compensation consultant shall not be considered independent if the compensation consultant or the compensation consultant’s firm receives more than one percent of its annual gross revenues for services provided to the company. Under the policy, the compensation consultant reports directly to the chair of the compensation committee, and the committee approves the aggregate amount of fees to be paid to the compensation consultant or the compensation consultant’s firm. The policy requires that the compensation consultant and any associates providing services to the compensation committee have no direct involvement with any other aspects of the compensation consultant’s firm’s relationship with Exelon (other than any director compensation services that may be performed for the corporate governance committee), and that no element of the compensation consultant’s compensation may be based on any consideration of the revenues for other services that the firm may provide to Exelon.

An office of Towers Perrin in a different city than Mr. Meischeid’s office provides Exelon with other services, including: actuarial valuation of pension plans and retiree welfare plans (and related services); pension plan administration services; health and welfare plan administration services; employee communications services; and information technology services. The amount of revenues for such other services is reported to the compensation committee on a quarterly basis. In 2009, the aggregate amount paid to Towers Perrin for compensation consultant services was $120,998, and the amount paid for other services was $4,317,000.

Compensation Committee Interlocks and Insider Participation

During fiscal 2009 and as of the date of this Proxy Statement, none of the members of the compensation committee was or is an officer or employee of the company, and no executive officer of the company served or serves on any compensation committee or board of any company that employed or employs any members of the company’s compensation committee or board of directors.

Corporate Governance Committee

The corporate governance committee met seven times in 2009. All members of the committee are independent directors.

In addition to its other duties described elsewhere in this Proxy Statement, the corporate governance committee’s principal duties, as discussed in its charter, include:

The committee may act on behalf of the full board when the board is not in session. The committee utilizes an independent compensation consultant to assist it in evaluating directors’ compensation, and for this purpose it

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periodically asks the consultant to prepare a study of the compensation of the company’s directors compared to the directors of companies in the same peer group used for executive compensation. This study is used as the basis for the corporate governance committee’s recommendations to the full board with respect to director compensation. The corporate governance committee may utilize other consultants, such as specialized search firms to identify candidates for director.

Risk Oversight Committee

The risk oversight committee met six times in 2009.

The risk oversight committee’s principal duties, as discussed in its charter, include:

Energy Delivery Oversight Committee

The energy delivery oversight committee met five times in 2009.

The energy delivery oversight committee’s principal duties, as discussed in its charter, include:

Generation Oversight Committee

The generation oversight committee met six times in 2009.

The generation oversight committee’s principal duties, as discussed in its charter, include:

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Director Independence

Under Exelon’s Corporate Governance Principles, a substantial majority of the board must be composed of independent directors, as defined by the NYSE. In addition to complying with the NYSE rules, Exelon monitors the independence of audit and compensation committee members under rules of the SEC (for members of the audit and compensation committees) and the Internal Revenue Service (for members of the compensation committee). The board has adopted independence criteria corresponding to the NYSE rules for director independence and the following categorical standards to address those relationships that are not specifically covered by the NYSE rules:

Each year, directors are requested to provide information about their business relationships with Exelon, including other boards on which they may serve, and their charitable, civic, cultural and professional affiliations. We also gather information on significant relationships between their immediate family members and Exelon. All relationships are evaluated by Exelon’s Office of Corporate Governance for materiality. Data on transactions between Exelon and companies for which an Exelon director or an immediate family member serves as a director or executive officer are presented to the corporate governance committee, which reviews the data and makes recommendations to the full board regarding the materiality of such relationships for the purpose of assessing director independence. The same information is considered by the full board in making the final determination of independence.

Each of the directors, with the exception of John Rowe, was determined by our board of directors to be “independent” under applicable guidelines presented above. Mr. Rowe is not considered an independent director because of his employment as Chairman and Chief Executive Officer of Exelon. The amounts involved in the transactions between Exelon and its entities, on the one hand, and the companies with which a director or an immediate family member is associated, on the other hand, all fell below the thresholds specified by the NYSE rules and the categorical standards specified in the company’s corporate governance principles. Because Exelon provides utility services through its subsidiaries ComEd, PECO and Exelon Energy and many of its directors live in areas served by the Exelon subsidiaries, many of the directors are affiliated with businesses and charities that receive utility services from Exelon’s subsidiaries. The corporate governance committee does not review transactions pursuant to which Exelon sells gas or electricity to these businesses or charities at tariffed rates. Similarly, because Exelon and its subsidiaries are active in their communities and make substantial charitable contributions, and many of Exelon’s directors live in communities served by Exelon and its subsidiaries and are active in those communities, many of Exelon’s directors are affiliated with charities that receive contributions from Exelon and its subsidiaries.

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None of the directors or their immediate family members is an executive officer of any charitable organizations to which Exelon or its subsidiaries contribute. All such payments to charitable organizations were immaterial under the applicable independence criteria.

We describe below various transactions and relationships considered by the board in assessing the independence of each director.

M. Walter D’Alessio

Mr. D’Alessio is the chairman and a director of a company that received $49 million from Exelon for health care coverage for Exelon employees.

Nicholas DeBenedictis

Mr. DeBenedictis serves as the chairman, president and chief executive officer of a public company that received approximately $823,000 from Exelon for water supplies. Exelon made these purchases under tariffed utility rates. Mr. DeBenedictis serves as a director of a company that received $49 million from Exelon for health care coverage for Exelon employees. Mr. DeBenedictis serves as a director of a public company that received approximately $752,000 from Exelon for renewable energy credits.

Bruce DeMars

Admiral DeMars served through 2008 as the director of a public company that has a subsidiary that provides services to Exelon Generation. In 2009, Exelon paid the subsidiary approximately $737,000.

Nelson A. Diaz

Mr. Diaz is Of Counsel to a law firm that provides legal services to Exelon. In 2009, Exelon paid the law firm approximately $137,000. Mr. Diaz does not work on any matters relating to Exelon and derives no financial benefit from any legal services that the law firm provides to Exelon. The board does not consider that Exelon’s relationship with the law firm impairs Mr. Diaz’ independence.

Sue L. Gin

Ms. Gin is the chairman and chief executive officer of a company that is a customer of Exelon Energy. The company paid Exelon Energy approximately $170,000 for natural gas in 2009.

Rosemarie B. Greco

Ms. Greco serves as the director of a public company that is a supplier of fuel oil to Exelon Generation and PECO. In 2009, Exelon paid the company approximately $18 million.

Richard W. Mies

Admiral Mies serves as the director of a public company that has a subsidiary that provides services to Exelon Generation. In 2009, Exelon paid that company approximately $737,000.

Dr. William C. Richardson

Dr. Richardson serves as a director of a public company that provides financial and stock transfer services to Exelon. In 2009, Exelon paid the company approximately $6 million.

Thomas J. Ridge

Governor Ridge is a senior advisor to a major accounting firm that provided non-audit services to Exelon. In 2009, Exelon paid the firm approximately $35 million.

John W. Rogers, Jr.

Mr. Rogers serves as a director of company that provides benefit administration services to Exelon. In 2009, Exelon paid the company approximately $9 million. Mr. Rogers also serves a director of a company that is a customer of Exelon Energy. The company paid Exelon Energy approximately $5,961,000 in 2009.

Stephen D. Steinour

Mr. Steinour is the chairman, president and chief executive officer of a company that is a customer of Exelon Energy. The company paid Exelon Energy approximately $86,000 in 2009.

Don Thompson

Mr. Thompson is the president and chief executive officer of a company that is a customer of Exelon Energy. The company paid Exelon Energy approximately $5,961,000 in 2009.

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Related Person Transactions

Exelon has a written policy for the review and approval or the ratification of related person transactions. Transactions covered by the policy include commercial transactions for goods and services and the purchase of electricity or gas at non-tariffed rates from Exelon or any of its subsidiaries by an entity affiliated with a director or officer of Exelon. The retail purchase of electricity or gas from ComEd or PECO at rates set by tariff, and transactions between or among Exelon or its subsidiaries are not considered. Charitable contributions approved in accordance with Exelon’s Charitable Contribution Guidelines are deemed approved or ratified under the Related Persons Transaction policy and do not require separate consideration and ratification.

As required by the policy, the board reviewed all commercial, charitable, civic and other relationships with Exelon in 2009 that were disclosed by directors and executive officers of Exelon, ComEd and PECO, and by executive officers of Exelon Generation that required separate consideration and ratification. The Office of Corporate Governance collected information about each of these transactions, including the related persons and entities involved and the dollar amounts either paid by or received by Exelon. The Office of Corporate Governance also conducted additional due diligence, where required to determine the specific circumstances of the particular transaction, including whether it was competitively bid or whether the consideration paid was based on tariffed rates.

The corporate governance committee and the board reviewed the analysis prepared by the Office of Corporate Governance, which identified those related person transactions which required ratification or approval, under the terms of the policy, or disclosure under the SEC regulations. The corporate governance committee and the board considered the facts and circumstances of each of these related person transactions, including the amounts involved, the nature of the director’s or officer’s relationship with the other party to the transaction, whether the transaction was competitively bid and whether the price was fixed or determined by a tariffed rate.

The committee recommended that the board ratify all of the transactions. On the basis of the committee’s recommendation, the board did so. Several transactions were ratified because the related person served only as a director of the affiliated company, was not an officer or employee of the affiliated company and did not have a pecuniary or material interest in the transaction. For some of these transactions, the value or cost of the transaction was very small, and the board considered the de minimus nature of the transaction as further reason for ratifying it. The board approved and ratified other transactions that were the result of a competitive bidding process, and therefore were considered fairly priced, or arms length, regardless of any relationship. The remaining transactions were approved by the board, even though the director is an executive officer of the affiliated company, because the transactions involved only retail electricity or gas purchases under set, tariffed rates or the price and terms were determined as a result of a competitive bidding process. Only one of the related person transactions required disclosure in this proxy statement.

McDonald’s Corporation and its subsidiaries purchase both gas and electricity from Exelon in the ordinary course of business. McDonald’s independently-owned and operated franchisees also purchase gas and electricity from Exelon in the ordinary course of business. Purchases from ComEd and PECO are at tariffed rates and therefore do not require disclosure. Gas purchases from Exelon Energy are made based on fixed prices for contract quantities settled at market prices based on an independent, publicly available index (the monthly Natural Gas Index). Electricity purchases made from Exelon Energy are made at the fixed price for power in the ComEd Zone within the PJM Interconnection. In 2009, McDonald’s USA procured electricity services from Exelon Energy at market rates in the amount of approximately $4,380,000 and gas services at market rates in the amount of approximately $1,581,000. McDonald’s USA will procure electricity and gas from Exelon Energy under the same agreements in 2010. Director Don Thompson is President and Chief Operating Officer of McDonald’s Corporation. Director John Rogers is also a director of McDonald’s Corporation, of which McDonald’s USA is a subsidiary.

The corporate governance committee and the Exelon board reviewed the sales at market prices to McDonald’s as related person transactions and concluded that the transactions were in the best interests of Exelon because they involved the sale of electricity and gas in the ordinary course at prices based on independent, publicly available indices. There was no indication that either of Exelon’s directors was involved in the negotiations of the contracts or had any direct or indirect material interest in the transactions or influence over them. As compared to Exelon’s and McDonald’s overall sales, the transactions are immaterial, individually and in the aggregate.

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Director Nomination Process

The corporate governance committee serves as the nominating committee and recommends director nominees. The board of directors receives the proposed nominations from the corporate governance committee and approves the nominees to be included in the Exelon proxy materials that are distributed to shareholders.

The corporate governance committee considers all candidates for director, including directors currently serving on the board and candidates recommended by shareholders and others. The committee may also utilize specialized search firms to identify and assess potential candidates.

The committee determines the appropriate mix of skills and characteristics required to best fill the needs of the board and periodically reviews and updates the criteria as deemed necessary. The board believes that diversity in personal background, race, gender, age and nationality are important considerations in selecting candidates. All candidates are considered in light of the following standards and qualifications for director that are contained in the Exelon Corporate Governance Principles:

Composition of the Board of Directors and Committees

The corporate governance committee believes that the current membership of the board and the committees represents an optimum mix of directors in terms of the range of backgrounds and experience and diversity. The board consists of directors who range in age from 46 to 76, with an average and median age of 64. The tenure of the directors is similarly varied, with seven directors having served since the company’s creation in 2000, one since 2002, one since 2004, two since 2005, three since 2007, and one each since 2008 and 2009. Five directors come from the Chicago area and five from the Philadelphia area, the company’s two primary markets, while six come from other parts of the country. Two directors are African-Americans, two are women, one is Hispanic, and one is Asian-American.

The directors have a wide diversity of experiences that fill the needs of the board and its committees. Eight directors are current or former CEOs of corporations; two are former CEOs of universities. Three directors have strong nuclear experience. Four directors have experience in banking and investment management. Four have served in government and two have flag officer military experience. Individual directors have experience or expertise in real estate, utility and environmental matters, law, the economics of energy, and engineering and operations.

In determining the membership of the committees, the corporate governance committee has sought to have each committee reflect a range of backgrounds and experience and diversity. Every member of the audit committee qualifies as an “audit committee financial expert”, as defined by SEC rules, and most of the members serve or have served on audit committees of other companies. Three members of the generation oversight committee have nuclear expertise. The chairs of the audit and risk oversight committees sit on each other’s committees, and there is significant overlap in the membership of the committees reflecting the overlap in responsibilities. Similarly, the chairs of the corporate governance and compensation committees sit on each other’s committees, which is helpful in the company’s process for evaluating the CEO’s performance and setting his compensation. Almost all of the members of the corporate governance committee serve or have served on the corporate governance committees of other corporations. The chair of the compensation committee has experience in human relations, and several of the members have served on the compensation committees of other corporations. The energy delivery oversight committee includes members with

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experience in utility operations, environmental matters, the economics of energy, law, and governmental affairs, facilitating the committee’s oversight of the heavily-regulated energy delivery businesses. The risk oversight committee includes members with experience in the economics of energy, nuclear operations, and banking and investment management, reflecting experience in dealing with the range of risks that the company faces.

Biographical information about each of the directors follows.

Proposal 1: Election of Directors

Our board is composed of 16 members. In 2007, we amended the Articles of Incorporation to declassify the board of directors over a three-year period. As a result, this year all directors are elected annually to serve for one-year terms.

Upon the recommendation of the corporate governance committee, the board nominated the following 16 candidates for election as directors, each to serve a one-year term. Each of the following nominees has agreed to be named in this proxy statement and to serve as a director, if elected. If any director is unable to stand for election, the board may reduce the number of directors or designate a substitute. In that case, shares represented by proxies may be voted for a substitute director. Exelon does not expect that any director nominee will be unable to serve.

		John A. Canning, Jr. Director since 2008 Age 65   Member-Audit Committee Member-Compensation Committee   Mr. Canning is the Chairman and co-founder of Madison Dearborn Partners, LLC (“MDP”), which specializes in management buyout and special equity investing. MDP has raised investment funds with more than $18 billion in limited partner commitments from over 350 endowments, pension funds and other sophisticated investors. MDP has made significant investments in the energy and power industry. Prior to co-founding MDP, Mr. Canning spent 24 years with First Chicago Corporation, where he managed the bank’s venture investments. Altogether he has 29 years of experience in private equity investing, including reviewing financial statements and audit results and making investment and acquisition decisions. Mr. Canning is a former director and Chairman of the Federal Reserve Bank of Chicago, giving him insight into economic trends important to the business of Exelon. He is also a Commissioner of the Irish Pension Reserve Fund. Mr. Canning has also served on the board of directors of Jefferson Smurfit Group plc and TransUnion Corp. He served on the audit committee at TransUnion as well as the audit committees of several charitable organizations, including the Irish Reserve Pension Fund. In addition to his business experience, he also has a law degree. Mr. Canning is a recognized leader in the Chicago business community with knowledge of the economy of the Midwestern United States and the northern Illinois communities that Exelon serves. Mr. Canning’s business experience and service on the boards of other companies and organizations enable him to contribute to the work of the Exelon board. Mr. Canning’s experience in banking and in managing investments, and his experience on the audit committees of other organizations, make him a valued member of the audit and compensation committees.

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		M. Walter D’Alessio Director since 2000 Age 76   Lead Director Chair-Corporate Governance Committee Member-Compensation Committee   Mr. D’Alessio serves as lead director. He is Vice Chairman of NorthMarq Capital (a real estate investment banking firm) and is senior managing director of NorthMarq Advisors (a real estate consulting group), positions he has held since July 2003. Prior to that, he was the Chairman and CEO of Legg Mason Real Estate Services, Inc. (1982-July 2003). He is the Chairman of the board of Brandywine Realty Trust, where he has been a trustee since 1996, and has been a director of Independence Blue Cross since 1991, and also currently serves as chairman of the board. Mr. D’Alessio has served as a director of the Federal Home Loan Bank Board of Pittsburgh since 2008, serving on the governance, human resources and community investment and public policy committees, and a trustee of the Pennsylvania Real Estate Investment Trust since 2005, where he serves on the compensation and human resources committee and the nominating and governance committee. He also serves on the Board of PECO, an Exelon subsidiary. Mr. D’Alessio is a leader in the Philadelphia business community and has knowledge of the greater Philadelphia metropolitan area and economic trends in the region, particularly with respect to real estate development. Mr. D’Alessio contributes to the Exelon board through his long history as a business leader and as a director of other business organizations. Through his leadership of other boards and his leadership and participation in the work of committees of other boards, Mr. D’Alessio is valued as a leader of the Exelon board and its corporate governance committee and makes important contributions to the work of the compensation committee, including its evaluation of the performance and compensation of the Exelon CEO. Mr. D’Alessio’s knowledge and expertise in corporate governance has been recognized by his being appointed a member of the Advisory Board of the Drexel University Business School Corporate Governance Program.
		Nicholas DeBenedictis Director since 2002 Age 64   Chair-Energy Delivery Oversight Committee Member-Corporate Governance Committee Member-Generation Oversight Committee   Mr. DeBenedictis is the Chairman (since 1993), President and Chief Executive Officer (since 1992) of Aqua America Inc., a water utility with operations in 14 states. Aqua America is the second largest U.S.-based, publicly-traded water and wastewater company in the country, and as its CEO Mr. DeBenedictis has experience in dealing with many of the same development, land use and utility regulatory issues that affect Exelon and its subsidiaries. Mr. DeBenedictis also has extensive experience in environmental regulation and economic development, having served in two cabinet positions in the Pennsylvania government, as Secretary of the Pennsylvania Department of Environmental Resources and as Director of the Office of Economic Development. He also spent eight years with the U.S. Environmental Protection Agency and was President of the Greater Philadelphia Chamber of Commerce for three years. Mr. DeBenedictis has also served as a director of P.H. Glatfelter, Inc. (global supplier of specialty papers and engineered products) since 1995, where he serves on the audit, compensation, and nominating and corporate governance committees. Mr. DeBenedictis served as a director of Met-Pro Corporation from 1997 until his resignation in February 2010, (global provider of solutions and products for product recovery, pollution control, and fluid handling applications). While a director of Met-Pro, he served as presiding independent director, chair of the corporate governance and nominating

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		committee and a member of the audit committee. Mr. DeBenedictis has a master’s degree in environmental engineering and science. Mr. DeBenedictis is a leader in the greater Philadelphia business community and has knowledge of the communities and local economies served by PECO. Mr. DeBenedictis’ contribution to the Exelon board is enhanced by his experience as the CEO of a public company, his experience on the boards of other companies, his experience as a utility executive, and his experience with environmental regulation, all of which bring useful perspectives to the Exelon board’s energy delivery oversight committee and the generation oversight committee. His experience as the presiding director and chair of the corporate governance committee of another public company offer additional insight to the functions of the Exelon corporate governance committee.
		Bruce DeMars Director since 2000 Age 74   Chair-Generation Oversight Committee Member-Audit Committee Member-Corporate Governance Committee Member-Energy Delivery Oversight Committee   Admiral DeMars is a Retired Admiral, United States Navy. In 1988, Admiral DeMars became the Director of the Naval Nuclear Propulsion Program, a joint Department of the Navy/Department of Energy program responsible for the design, construction, maintenance, operation and final disposal of nuclear reactor plants for the U.S. Navy until his retirement from the Navy in October 1996. Admiral DeMars has served as a director of Oceanworks International, Inc. since 2002. Admiral DeMars previously served as a director of McDermott International, an engineering and construction company focused on energy infrastructure (1997-2008) where he served on the audit committee (2002-2008). Admiral DeMars served as the chairman of the board of Duratek, Inc., a company that specialized in the disposal of radioactive waste (2004-2006). Admiral DeMars’ long experience with the Navy and the boards of other companies enables him to bring technical and business experience to the Exelon board. With his experience with nuclear power, Admiral DeMars has made contributions to oversight of the operation of Exelon’s nuclear plants and is qualified to lead the board’s generation oversight committee. His experience with management and operating processes relevant to the generation business are relevant to his service as a member of the energy delivery oversight committee. His experience with Navy programs and his work on other public company boards and board committees enhance his contribution to the Exelon audit committee and enable him to add his perspectives to the discussions of the Exelon corporate governance committee. In recognition of his expertise in corporate governance, he was asked to be a presenter at the Director Institute at Emory University in 2006, 2007, 2008 and 2009.
		Nelson A. Diaz Director since 2004 Age 62   Member-Energy Delivery Oversight Committee Member-Generation Oversight Committee Member-Risk Oversight Committee   Judge Diaz has been Of Counsel to Cozen O’Connor, a Philadelphia-based national law firm, since May 2007. He was previously a partner of Blank Rome LLP (a law firm), from March 2004 through May 2007, and from February 1997 through December 2001. He served as the City Solicitor for the City of Philadelphia from December 2001 through January 2004, and Judge of the Court of Common Pleas, First Judicial District of Pennsylvania (1981-1993), where he served as Administrative Judge responsible for supervising judges and staff and managing the budget.

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		He also served as General Counsel, United States Department of Housing and Urban Affairs (1993-1997). He also serves as a director of PECO and formerly served as Chairman of the board of trustees of Paradigm Multi Strategy Fund I, LLC. Judge Diaz is a Trustee of Temple University. His undergraduate education was in accounting, and he has participated in a number of seminars and conferences on corporate governance. Judge Diaz’s legal and governmental experience at the federal level and in a city and state where a significant portion of Exelon’s business is conducted has enabled him to contribute to the board and its committees on matters related to federal, state and local regulation and public policy. In addition, Judge Diaz’s Puerto Rican heritage adds diversity to the Exelon board. He serves on the boards of the National Association for Hispanic Elderly, the U.S. Hispanic Leadership Institute and the United States Hispanic Advocacy Association. He is active in Philadelphia government and community affairs and neighborhood development and has made contributions to Exelon’s outreach to diverse groups within Philadelphia and neighboring communities. Judge Diaz serves on the Exelon board’s energy delivery, generation, and risk oversight committees, where his experience in legal matters and government regulation is best utilized in overseeing Exelon’s business operations and the legal and regulatory risks that Exelon faces.
		Sue L. Gin Director since 2000 Age 68   Chair-Risk Oversight Committee Member-Audit Committee Member-Corporate Governance Committee   Ms. Gin is an entrepreneur who is the founder, owner, Chairman and CEO of Flying Food Group, LLC, an airline catering and fresh meal production company serving international airlines and specialty retailers. She has served as its Chairman and CEO since 1983. She is also the owner and founder of New Management, Ltd., a real estate sales, leasing, management and development firm, and has served as its President since 1977. Ms. Gin has served as a director of Centerplate, Inc. (hospitality company) (2004-2009), serving as chair of the corporate governance committee, and also served as a director of Briazz, Inc. (restaurants and catering) (2003-2004). She is also a director of ComEd, an Exelon subsidiary, and is a member of the ComEd audit committee. As a leader in the Chicago business community and as the chief executive of a privately-held Chicago-based business, Ms. Gin is familiar with the Chicago economy and the needs of Chicago businesses served by ComEd. As a female member of the Asian-American community, Ms. Gin also brings diversity to the board and contributes to Exelon’s diversity initiatives and community outreach.
		Rosemarie B. Greco Director since 2000 Age 63   Chair-Compensation Committee Member-Corporate Governance Committee (effective September 15, 2009) Member-Energy Delivery Oversight Committee   Ms. Greco serves as a Senior Advisor to the Governor of Pennsylvania-Health Care Reform. She served as the director of the Governor’s Office of Health Care Reform for the Commonwealth of Pennsylvania from January 2003 through December 2008. She is also the founding principal of GRECOVentures Ltd., a private management consulting firm. She was formerly President, CEO and director of First Fidelity Bank, N.A., and Senior Executive Vice President and director of First Fidelity Bancorporation and formerly President of CoreStates Financial Corporation and director, President and CEO of CoreStates Bank, N.A. She has served since 1998 as a director of Sunoco, Inc. (energy), where she serves on the audit, compensation and governance

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		committees, and since 1997 as a trustee of Pennsylvania Real Estate Investment Trust, where she serves as chair of the executive compensation and human resources committee. She has also served since 1999 as a trustee of SEI Investment Management Corp., a subsidiary of SEI Investments, Co., and serves as chair of its governance committee. She also serves as a director of PECO. While serving in the banking industry she served for a time as head of a human resources department, experience that has been valuable to her service as chair of Exelon’s compensation committee. Her experience in the banking industry in Philadelphia has given her insight into the needs of the banks’ clients, who are also customers of PECO. Ms. Greco’s role as a female executive has brought diversity to Exelon’s board, and she has contributed to Exelon’s diversity initiatives. Her experience as a CEO with responsibility for overseeing the quality of operations is a useful background for her work on the energy delivery oversight committee, with its focus on operational issues at ComEd and PECO. Ms. Greco’s experiences as a CEO, a management consultant, and a member of a number of corporate boards and governance committees contribute to her effectiveness as a member of the corporate governance committee. In addition, her service as chair of the compensation committee while also serving as a member of the corporate governance committee is designed to facilitate communications between the committees with respect to performance evaluations and succession planning for the executives in conjunction with executive compensation decisions.
		Paul L. Joskow, Ph. D. Director since 2007 Age 62   Member-Audit Committee Member-Energy Delivery Oversight Committee Member-Risk Oversight Committee   Professor Joskow has been the President of the Alfred P. Sloan Foundation since January 1, 2008. The Sloan Foundation is a philanthropic institution that supports research and education in science, technology and economic performance. He is on leave from his position as the Elizabeth and James Killian Professor of Economics and Management at the Massachusetts Institute of Technology (“MIT”). Professor Joskow joined the MIT faculty in 1972 and served as head of the MIT Department of Economics (1994-1998) and Director of the MIT Center for Energy and Environmental Policy Research (1999-2007). At MIT he was engaged in teaching and research in the areas of industrial organization, energy and environmental economics, competition policy, and government regulation of industry for over 35 years. Much of his research and consulting activity has focused on the electric power industry, electricity pricing, fuel supply, demand, generating technology, and regulation. He is a Fellow of the American Academy of Arts and Sciences and the Econometric Society. He has served on the U.S. Environmental Protection Agency’s (“EPA”) Acid Rain Advisory Committee, on the Environmental Economics Committee of EPA’s Science Advisory Board, and on the National Commission on Energy Policy. He is a Trustee of the Putnam Mutual Funds. In addition to his teaching, research, publishing and consulting activities, he has experience in the energy business, serving as a director of New England Electric System, a public utility holding company (1987-2000), until it was acquired by National Grid. He then served as a director of National Grid plc, an international electric and gas utility holding company, and one of the largest investor-owned utilities in the world (2000-2007). Since 2004 he has been a director of TransCanada Corporation, which is an energy infrastructure company with gas pipelines, electric power operations, and natural gas storage facilities. He currently serves on the audit and governance committees of TransCanada. He previously served on the audit committee of National Grid (2000-2005) and was chair of its finance committee until 2007. He also served on the audit committee of New England Electric System and as the chair of the audit committee of the Putnam Mutual Funds (2002-2005). With his experience in the energy industry and economics, Mr. Joskow makes a contribution to the Exelon board discussions of economics, energy markets, energy policy, industry trends, and risk and the work of the audit, risk oversight, and energy delivery oversight committees in these fields.

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		Richard W. Mies Director since 2009 Age 65   Member-Audit Committee (effective July 27, 2009) Member-Generation Oversight Committee Member-Risk Oversight Committee (effective January 2010)   Admiral Mies has experience in oversight of nuclear operations, with a combination of nuclear, policy and business experience gained through military service and providing strategic counsel on national security. He is President and Chief Executive Officer of The Mies Group, Ltd., a private consulting firm. Admiral Mies retired from the United States Navy in 2002 following 35 years of service. A nuclear submariner, Admiral Mies has a wide range of operational command experience; he commanded the United States Strategic Command for four years prior to his retirement. Following his military service, Admiral Mies served as a Senior Vice President of Science Applications International Corporation and as President and Chief Executive Officer of its wholly-owned subsidiary, Hicks and Associates, until September 2007. Admiral Mies has served since 2008 as a director of McDermott International, Inc., an engineering and construction company focused on energy infrastructure, where he serves on the audit and governance committees, and since 2002 has served as a director of Mutual of Omaha, an insurance and banking company, where he served on the audit committee (2002-2007), currently serves as chair of the corporate governance committee and as a member of the compensation and evaluation and executive committees. He is also a member of the Board of Governors of Los Alamos and Lawrence Livermore National Security LLCs. In addition to an undergraduate degree in mechanical engineering and mathematics, he has a master’s degree in government administration and international relations. Admiral Mies makes a contribution to the Exelon board through his experience with the Navy and in business and his experience on boards of other companies. He contributes to Exelon’s generation oversight committee through his training as an engineer and his experience with nuclear power. His contribution to the audit and risk oversight committees is enhanced by his business experience and his experience on the boards and audit committees of other companies.
		John M. Palms, Ph. D. Director since 2000 Age 74   Chair-Audit Committee Member-Corporate Governance Committee Member-Generation Oversight Committee Member-Risk Oversight Committee   Dr. Palms has had a distinguished career in academia and business and is a leading expert on nuclear power operations. He is Distinguished President Emeritus and Distinguished University Professor Emeritus of the University of South Carolina. He served as the President of the University of South Carolina (1991-June 2002), overseeing major budgets and approving significant financial and other transactions. He was Distinguished University Professor at the University of South Carolina (2002-2007). He is the former President of Georgia State University and the former Vice President for Academic Affairs and the Charles Howard Chandler Professor of Radiological and Environmental Physics at Emory University. He was recognized for his nuclear energy and operations expertise by serving for five years as a member of the National Nuclear Accreditation Board and the Advisory Council for the Institute of Nuclear Power Operations and its National Academy of Nuclear Training. He also served on the Three Mile Island Public Health Fund Committee to design a Public Acceptable Environmental Monitoring Program. In 2003 he became the non-executive chairman of the board of directors of Assurant Inc., a provider of specialty insurance and related services with risk management

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		expertise, strong distribution partnerships and complex administrative skills, where he has been a director since 1990 and serves on the nominating and corporate governance and audit committees, and he has also served since 2002 as a director of Computer Task Group, Inc., a provider of information technology solutions and services, where he serves on the executive, nominating and corporate governance, and compensation committees and formerly served on the audit committee, and he has served since 2006 as a director of The Geo Group, a world leader in the privatized development and management of correction and retention facilities. In addition, Dr. Palms is the Chairman of the board of trustees of the Institute for Defense Analyses, a non-profit, federally-funded research and development organization that advises the U.S. Secretary of Defense and the U.S. Congress. Dr. Palms makes a contribution to the Exelon board through his extensive knowledge of nuclear power and his experience on the boards and board committees of other public companies. His knowledge and experience with nuclear power makes Dr. Palms a valuable member of the generation oversight and risk oversight committees. His service as chair of the audit committee and a member of the risk oversight committee reinforces the role of the audit committee in overseeing risk matters and ensures full communication between the two committees, given the close relationship between audit and risk issues. Dr. Palms’ experience in the management of large business, academic and other organizations enables him to offer useful perspectives to Exelon’s corporate governance committee.
		William C. Richardson, Ph. D. Director since 2005 Age 69   Member-Audit Committee Member-Compensation Committee Member-Corporate Governance Committee Member-Risk Oversight Committee   Dr. Richardson is the President and Chief Executive Officer Emeritus of the W.K. Kellogg Foundation, a private foundation, and the President and Chief Executive Officer Emeritus of Johns Hopkins University. Dr. Richardson served as the President and CEO of the W. K. Kellogg Foundation until his retirement (1995-2005). He also served as chairman of the Kellogg Trust (1996-2007). In that position he and two other trustees directly oversaw the management of an approximately $7.7 billion fund, including a significant position in Kellogg Company (cereal and convenience foods). He was the President of Johns Hopkins University (1990-1995), and Executive Vice President and Provost of Pennsylvania State University (1984-1990). He is a member of the Institute of Medicine, National Academy of Sciences. Dr. Richardson has served as a director of The Bank of New York Mellon Corporation since 1998 and he served as a director of CSX Corporation (railroad) (1992-2008), and he also served as a director of Kellogg Company (1996-2007). Dr. Richardson serves on the audit and examining and corporate governance and nominating committees of Bank of New York Mellon Corporation, and previously served on the audit, governance, and compensation committees of CSX. He was chair of the governance and compensation committees and lead director of CSX, and chair of the finance committee of Kellogg. Dr. Richardson has an MBA and PhD. from the University of Chicago Graduate School of Business. Dr. Richardson’s experience as CEO of a large international research university and in leading a large investment fund and serving as a director of three major corporations and as a member of their governance, audit, risk and compensation committees make him qualified to serve as a director of Exelon. Through his experience, including experience on the committees of other organizations, Dr. Richardson contributes to the work of the Exelon audit, compensation, risk oversight and corporate governance committees.

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		Thomas J. Ridge Director since 2005 Age 64   Member-Energy Delivery Oversight Committee Member-Risk Oversight Committee (effective January 2010)   Governor Ridge is President of Ridge Global LLC, a consulting firm. He is also a strategic limited partner in Doheny Global Group, a U.S.-based international developer of energy facilities. He served as Secretary of the United States Department of Homeland Security from January 2003 through January 2005, and Assistant to the President for Homeland Security (an Executive Office created by President George W. Bush) from October 2001 through December 2002. He served as Governor of the Commonwealth of Pennsylvania (1994-October 2001) and in the U.S. House of Representatives (1982-1994). He is also a director of The Hershey Company (chocolate and sugar confectionery) since 2007, serving on the finance and risk management and governance committees, and Vonage Holdings Corp. (software technology for voice and messaging services) since 2005, serving on the nominating and governance and compensation committees, and Brightpoint, Inc. since 2009, serving on the strategy committee. Mr. Ridge previously served as a director of Home Depot Corporation (home improvement specialty retailer) (2005-2007). He also serves as a director of PECO. Governor Ridge’s governmental service at the federal level and in Pennsylvania is valued by the board. His Department of Homeland Security experience provides valuable insight into issues relating to the security of Exelon’s generation and transmission and distribution facilities. His service as a director of other companies brings additional perspective to the Exelon board. Exelon’s energy delivery and risk oversight committees benefit greatly from Governor Ridge’s insights from his experience in state government and his expertise on matters relating to the security of critical infrastructure.
		John W. Rogers, Jr. Director since 2000 Age 51   Member-Corporate Governance Committee Member-Risk Oversight Committee   Mr. Rogers is the founder, Chairman and CEO of Ariel Investments, LLC, an institutional money management firm with $4.8 billion in assets under management, and he serves as trustee of the Ariel Investment Trust. He has served as a director of Aon Corporation (risk management services, insurance and reinsurance brokerage and human capital and management consulting services) since 1993, where he has served on the finance committee and as chair of the audit committee, and McDonald’s Corporation (global foodservice retailer) since 2003, where he has served on the compensation and corporate responsibility committees. He is also a director of ComEd and served as a member of the ComEd audit committee. Previously he served as a director of GATX corporation (rail, marine and industrial equipment leasing) (1998-2004), where he served on the audit committee, and on the board of Bank One Corporation (bank) (1998-2004), where he served on the audit and risk management and public responsibility committees, and Bally Total Fitness (fitness and health clubs) (2003-2006), where he served as the lead independent director and as chair of the compensation committee. Mr. Rogers’ experience on the boards of a number of major corporations based in Chicago in a variety of industries has made him a leader in the Chicago business community with perspective into Chicago business developments. His role in Chicago’s and the nation’s African-American community brings diversity to the board and emphasis to Exelon’s diversity initiatives and community outreach. His experience in investment management and financial markets and as a director of an insurance brokerage and services company are useful to Exelon, particularly with respect to risk management and the management of Exelon’s extensive nuclear decommissioning and pension and post-retirement benefit trust funds, which are overseen by the risk oversight committee on which he serves. Mr. Rogers’ service on the boards and committees of other companies has given him experience that adds further depth to the Exelon corporate governance committee. He has spoken at and participated in a number of corporate governance conferences. He was named by the Outstanding Directors Exchange as one of six 2010 Outstanding Directors.

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		John W. Rowe Director since 2000 Age 64   Mr. Rowe has served as a Director and as Chief Executive or Co-Chief Executive Officer of Exelon since its formation in October 2000. He has served as Chairman and Chief Executive Officer since April 2002. At various times since 2000, he has also held the title of President of Exelon. He previously served as Chairman, President and Chief Executive Officer of Unicom Corporation and ComEd. He has also served as a director of Sunoco, Inc. (energy) since 2003, where he serves on the compensation committee and chairs the corporate responsibility committee, and The Northern Trust Corporation (banking) since 2002, where he serves on the corporate governance and executive committees and as chair of the business strategy committee. He serves as Chairman and director of PECO, an Exelon subsidiary, and as a director of ComEd, another Exelon subsidiary. Previously, Mr. Rowe served as a director of UnumProvident Corporation upon the merger of Unum Corporation into Provident Companies, Inc. in 1999 until 2005, serving on the audit, executive and finance committees (he had previously served on Unum Corporation Board (1988-1999)); Fleet Boston Financial Corporation (bank) when BankBoston was acquired by Fleet Boston (1999-2002) serving on the community investment and public policy committees; and Wisconsin Central Transportation Corporation when it was acquired by Canadian National Railway in 1998 until 2001, serving on the audit committee. Mr. Rowe has an aggregate of over 25 years experience as the CEO of Exelon and other utilities.
		Stephen D. Steinour Director since 2007 Age 51   Member-Audit Committee Member-Compensation Committee Member-Generation Oversight Committee (through January 2010)   In January 2009, Mr. Steinour was elected the Chairman, President and Chief Executive Officer of Huntington Bancshares Incorporated, a $52 billion regional bank holding company. He was the Chairman and Managing Partner of CrossHarbor Capital Partners, a private equity firm (2008- January 2009). He was previously President and CEO of Citizens Financial Group, Inc., a multi-state commercial bank holding company (2006-2008). He served as Vice Chairman and Chief Executive Officer of Citizens Mid-States regional banking (2005-2006). He served as Vice Chairman and Chief Executive Officer of Citizens Mid-Atlantic Region (2001-2005). At the beginning of his career, Mr. Steinour was an analyst for the U.S. Treasury Department and subsequently worked for the Federal Deposit Insurance Corporation. Mr. Steinour was appointed to the Board of Trustees of the Liberty Property Trust (an office and industrial property real estate investment trust) on February 11, 2010, and he serves on its audit committee. Mr. Steinour is a member of council of The Pennsylvania Society, a non-profit, charitable organization which celebrates service to the Commonwealth of Pennsylvania. Mr. Steinour serves as a trustee of the National Constitution Center and the Eisenhower Fellowships and is a member of the Columbus Partnership. Mr. Steinour also was a member, and served on the policy and legal affairs committees, of the Pennsylvania Business Roundtable, an association of CEOs in large Pennsylvania companies representing significant employment and economic activity in the Commonwealth. He also has served on the board of and as the chairman of the Greater Philadelphia Chamber of Commerce. His experience at Citizens Bank gave him knowledge of the markets that Exelon Generation and PECO serve. His experience as a banker, with strong credit and risk management experience and knowledge of credit and capital markets, and his experience as Chairman and CEO of Huntington Bank enhances Mr. Steinour’s value to the Exelon board and to the audit and compensation committees.

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		Don Thompson Director since 2007 Age 46   Member-Energy Delivery Oversight Committee Member-Generation Oversight Committee (through January 2010)   Mr. Thompson is President and Chief Operating Officer of McDonald’s Corporation, a global foodservice retailer. Mr. Thompson previously served as President of McDonald’s US operations from August 2006 through January 2010, Executive Vice President and Chief Operations Officer for McDonald’s USA from January 2005 through August 2006, as Executive Vice President, Restaurant Solutions Group from May 2004 through January 2005, and President, West Division, from October 2001 through May 2004. Mr. Thompson currently serves on the board of the Johnnetta B. Cole Global Diversity and Inclusion Institute, a partnership of academic institutions, corporations and civic and community organizations to advance the goals of diversity and inclusion in the workplace through education, training and research. Mr. Thompson also serves on the Boards of Trustees of Northwestern Memorial Hospital and Purdue University. Mr. Thompson is also a former board member of the San Diego Ronald McDonald House Charities and has served as a Trustee of the Goodman Theater in Chicago. Mr. Thompson has a degree in electrical engineering and at McDonald’s one of the things he has focused on is developing systems and procedures to ensure consistency in the quality of service. Mr. Thompson’s experience as a senior corporate executive and his training as an engineer and focus on quality and consistency of service enhance his contribution to the Exelon board and add value to his services on the energy delivery oversight committee. In addition, Mr. Thompson’s role in the African-American community brings additional diversity of thought to the Exelon board and contributes to Exelon’s diversity initiatives and community outreach.

Director Retirement Policy

For several years, the board has had a retirement policy under which a director must retire at the end of the calendar year in which he or she reaches the age of 72. The corporate governance committee and the board have re-evaluated the company’s retirement policy and matters related to director succession. The board has found that directors can normally continue to provide a valuable service to the company for several years beyond age 72. In addition, the board has noted that under the retirement policy there have been repeated instances where a number of director retirements would fall in the same year. For these reasons, the board has been generally flexible in the application of the retirement policy and has waived or suspended the policy when the purposes of the policy are outweighed by factors such as a desire for director continuity, the desire to retain the leadership or experience of a particular director, a need to identify equally qualified successors, a desire to avoid multiple retirements in one year, or other factors that mitigate against mandatory retirement. The board also recognized that, beginning with the annual meeting in 2010, shareholders would be entitled to vote for the election of the entire board of directors. Accordingly, during 2010 the board amended the director retirement policy to provide that a director must retire at the end of the calendar year in which he or she reaches the age of 75. In addition, the board has suspended the retirement policy for Dr. Palms until the end of 2011 and Mr. D’Alessio until the end of 2012. These changes will help address future situations in which multiple directors would otherwise be required to retire in the same year, and suspension of the retirement policy for Dr. Palms and Mr. D’Alessio will ensure that the company continues to benefit from their unique experience and leadership on the board and its committees and will facilitate a smooth transition until successors are identified and serve on the board long enough to develop appropriate experience and expand their leadership roles.

Compensation of Non-Employee Directors

For their service as directors of the corporation, Exelon’s non-employee directors receive primarily cash and equity compensation. As an employee director, Mr. Rowe receives no additional compensation for service as a director. The Exelon board has a policy of targeting their compensation to the median board compensation of the same peer group of companies used to benchmark executive compensation.

Fees Earned or Paid in Cash

Non-employee directors receive cash retainers for their service on the board, as chairs of committees, and as members of the audit and generation oversight committees. They also receive cash payments for attending meetings.

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All non-employee directors receive an annual retainer of $50,000. Committee chairs receive an additional $10,000 per year. Members of the audit committee and generation oversight committee, including the committee chairs, receive an additional $5,000 per year for their participation on these committees.

Directors receive $2,000 for each meeting of the board or board committee that they attend, whether in person or by means of teleconferencing or video conferencing equipment. Directors also receive a $2,000 meeting fee for attending the annual shareholders meeting and the annual strategy retreat.

Stock Awards

To align directors’ interests with shareholders, Exelon pays a significant portion of director compensation in the form of deferred stock units. The deferred stock units are not paid out to the directors until they retire from the board, or upon reaching age 72.

The amount of deferred stock units granted to directors each year is $100,000. Deferred stock units are granted and credited to a notional account maintained on the books of the company at the end of each calendar quarter based upon the closing price of Exelon common stock on the day the quarterly dividend is paid. Deferred stock units earn the same dividends available to all holders of Exelon common stock, which are reinvested in the account as additional units.

Deferred Compensation

Directors may elect to defer any portion of their cash compensation in a non-qualified multi-fund deferred compensation plan. Each director has an unfunded account where the dollar balance can be invested in one or more of several mutual funds, including one fund composed entirely of Exelon common stock. Fund balances (including those amounts invested in the Exelon common stock fund) will be settled in cash and may be distributed in a lump sum or in annual installment payments upon a director’s reaching age 65, age 72 or upon retirement from the board. These funds are identical to those that are available to executive officers and are generally identical to those available to company employees who participate in the Exelon Employee Savings Plan. Directors and executive officers have one additional fund not available to employees that, through its composition, provides returns that can be in excess of 120% of the federal long-term rate that is used by the IRS to determine above market returns. However, during 2009, none of the directors had investments in this fund.

Other Compensation

Non-employee directors receive perquisites relating to the cost of a director’s spouse’s travel, meals, lodging and related activities when the spouses are invited to attend company or industry related events where it is customary and expected that directors attend with their spouses. The cost of such travel, meals and other activities is imputed to the director as additional taxable income. However, in most cases there is no incremental cost to Exelon of providing transportation and lodging for a director’s spouse when he or she accompanies the director, and the only additional costs to Exelon are those for meals and activities and to reimburse the director for the taxes on the imputed income. In 2009, the incremental cost to the company to provide these perquisites was less than $10,000 per director and the aggregate amount for all non-employee directors as a group, a total of 15 directors, was $14,604. The aggregate amount paid to all non-employee directors as a group (15 directors) for reimbursement of taxes on imputed income was $10,949. Exelon has a matching gift program available to employees and directors that matches their contributions to educational institutions up to $5,000 per year for directors and officers and up to $2,000 per year for other employees.

Expense Reimbursement

Exelon has a board compensation and expense reimbursement policy under which directors are reimbursed for reasonable travel to and from their primary residence and lodging expenses incurred when attending board and committee meetings or other events on behalf of Exelon (including directors’ orientation or continuing education programs, facility visits or other business related activities for the benefit of Exelon). Under the policy, Exelon will arrange for its corporate aircraft to transport groups of directors, or when necessary, individual directors, to meetings in order to maximize the time available for meetings and discussion. Directors may bring their spouses on Exelon’s corporate aircraft when they are invited to an Exelon event, and the value of this travel, calculated according to IRS regulations, is imputed to the director as additional taxable income.

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Compensation of Non-Employee Directors in 2009

The following table lists directors’ committee memberships during 2009 and the cash fees and stock awards paid to directors in 2009.

Committee Membership Key

Audit = A, Chairman = Ch, Compensation = C, Corporate Governance = G, Energy Delivery Oversight = E, Generation Oversight = P, Risk Oversight = R

Notes:

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The following table lists the amounts of deferred Exelon stock units held by directors as of December 31, 2009. The units are valued at the closing price of Exelon common stock on December 31, 2009, which was $48.87. Legacy plans include those stock units earned from Exelon’s predecessor companies, PECO and Unicom Corporation. For Adm. DeMars and Mr. Rogers, the legacy deferred stock units reflect accrued benefits from the Unicom Directors Retirement Plan (which was terminated in 1997) and the Unicom 1996 Directors Fee Plan (which was terminated in 2000), respectively.

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4. Ownership of Exelon Stock

Stock Ownership Requirements for Directors and Officers

Under Exelon’s Corporate Governance Principles, all directors are required to own within five years after election to the board at least 5,000 shares of Exelon common stock or deferred stock units or shares accrued in the Exelon common stock fund of the directors’ deferred compensation plan. The corporate governance committee utilized an independent compensation consultant who determined that, compared to its peer group, Exelon’s ownership requirement is reasonable.

Officers of Exelon (and its subsidiaries) are required to own certain amounts of Exelon common stock, depending on their seniority, by the later of five years after their employment or promotion to their current position. The objective is to encourage officers to think and act like owners. The ownership guidelines are expressed as both a fixed number of shares and a multiple of annualized base salary to avoid arbitrary changes to the ownership requirements that could arise from ordinary course volatility in the market price for Exelon’s shares. The minimum stock ownership targets by level are the lesser of the fixed number of shares or the multiple of annualized base salary. The number of shares was determined by taking the following multiples of the officer’s base salary as of the latest of September 30, 2009 or the date of hire or promotion: (1) Chairman and CEO, five times base salary; (2) Exelon’s president and executive vice presidents, three times base salary; (3) senior vice presidents, two times base salary; and (4) vice presidents and other executives, one times base salary. Ownership is measured by valuing an executive’s holdings using the 60-day average price of Exelon common stock as of the appropriate date. Shares held outright, earned non-vested performance shares, and deferred shares count toward the ownership guidelines; unvested restricted stock and stock options do not count for this purpose. As of December 31, 2009, the named executive officers (“NEOs”) held the following amounts of stock relative to the applicable guidelines:

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Beneficial Ownership Table

The following table shows the ownership of Exelon common stock as of December 31, 2009 or by each director, each NEO in the Summary Compensation Table, and for all directors and executive officers as a group.

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Other Significant Owners of Exelon Stock

Shown in the table below are those owners who are known to Exelon to hold more than 5% of the outstanding common stock. This information is based on the most recent Schedule 13G filed by each owner with the SEC.

Capital World Investors and Capital Research Global Investors are each divisions of Capital Research and Management Company. Capital World Investors disclosed in its Schedule 13G that it disclaims beneficial ownership of all shares and it has sole voting power over 3,467,700 shares and sole dispositive power over all shares. Capital Research Global Investors disclosed in its Schedule 13G that it disclaims beneficial ownership of all shares and it has sole voting power over 20,541,220 shares and sole dispositive power over all shares.

Stock Performance Chart

The performance graph below illustrates a five-year comparison of cumulative total returns based on an initial investment of $100 in Exelon Corporation common stock, as compared with the S&P 500 Stock Index and the S&P Utility Index for the period December 31, 2004 through December 31, 2009.

The performance chart assumes $100 invested on December 31, 2004 in Exelon Corporation common stock, in the S&P 500 Stock Index and in the S&P Utility Index, and that all dividends are reinvested.

Source: Bloomberg

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5. Compensation Discussion and Analysis

Executive Summary

Effect of Financial Performance on Incentive Compensation

Exelon’s executive compensation programs are designed to motivate and reward senior management to achieve Exelon’s vision of being the best group of electric generation and electric and gas delivery companies in the United States, providing superior value for Exelon’s customers, employees, investors and the communities Exelon serves. Exelon’s results for 2009 as compared to 2007 and 2008 demonstrate that Exelon’s incentive compensation is consistent with Exelon’s performance. Exelon’s annual incentive program (“AIP”) is based to a significant extent on adjusted (non-GAAP) operating earnings per share, and its performance share award program is based on the relative total shareholder return for Exelon as compared to the Dow Jones Utility Index (60%) and the Standard & Poor’s 500 Index (40%). Exelon had strong results in 2007 and 2008, when Exelon’s adjusted (non-GAAP) operating earnings per share were $4.32 and $4.20, respectively. Total shareholder return for the 2005-2007 performance period was at the 68.7^th percentile of the Dow Jones Utility Index and the 89^th percentile of the Standard & Poor’s 500 Index, while for the 2006-2008 performance period it was at the 75^th percentile of the Dow Jones Utility Index and the 85.6^th percentile of the Standard & Poor’s 500 Index. This performance resulted in high incentive compensation payouts for 2007 and 2008. However, as a result of decreasing electricity sales, lower power prices, unfavorable weather, and increased pension and post-retirement benefits costs, partially offset by cost savings initiatives, Exelon’s results in 2009 declined. Exelon’s 2009 adjusted (non-GAAP) operating earnings per share were $4.12 and its total shareholder return for the 2007-2009 performance period was at the 37.5^th percentile of the Dow Jones Utility Index and the 49.5^th percentile of the Standard & Poor’s 500 Index. Exelon’s incentive compensation programs worked as designed to pay for performance, resulting in significantly lower incentive compensation payouts for 2009 as compared to the two prior years. Because earnings were below 150% of target in 2008 and below target in 2009, the shareholder protection features in the annual incentive plan took effect and limited the annual incentive payouts on operating company/business unit key performance indicator goals. The following table shows the correlation between levels of financial performance and incentive compensation in 2007, 2008 and 2009: