EXC 10-K Annual Report Dec. 31, 2019 | Alphaminr
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EXC 10-K Fiscal year ended Dec. 31, 2019

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EXELON CORP
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TABLE OF CONTENTS
Part IItem 1A. Risk FactorsItem 1B. Unresolved Staff CommentsItem 2. PropertiesNote 16 Debt and Credit AgreementsItem 3. Legal ProceedingsItem 4. Mine Safety DisclosuresPart IIItem 5. Market For Registrant S Common Equity, Related Stockholder Matters and Issuer Purchases Of Equity SecuritiesItem 6. Selected Financial DataItem 7. Management S Discussion and Analysis Of Financial Condition and Results Of OperationsNote 15 Derivative Financial InstrumentsNote 1 Significant Accounting PoliciesNote 18 Commitments and ContingenciesNote 3 Regulatory MattersNote 10 LeasesNote 3 Regulatory Matters & Note 15 Derivative Financial InstrumentsNote 14 Retirement BenefitsItem 7A. Quantitative and Qualitative Disclosures About Market RiskItem 8. Financial Statements and Supplementary DataNote 9 Asset Retirement ObligationsNote 11 Asset ImpairmentsNote 12 Intangible AssetsNote 22 Variable Interest EntitiesNote 2 Mergers, Acquisitions and DispositionsNote 4 Revenue From Contracts with CustomersNote 5 Segment InformationNote 6 Early Plant RetirementsNote 7 Property, Plant and EquipmentNote 23 Supplemental Financial InformationNote 24 Related Party TransactionsNote 13 Income TaxesNote 17 Fair Value Of Financial Assets and LiabilitiesNote 19 Shareholders' EquityNote 20 Stock-based Compensation PlansNote 21 Changes in Accumulated Other Comprehensive IncomeNote 25 Quarterly DataItem 9. Changes in and Disagreements with Accountants on Accounting and Financial DisclosureItem 9A. Controls and ProceduresItem 9B. Other InformationPart IIIItem 10. Directors, Executive Officers and Corporate GovernanceItem 11. Executive CompensationItem 12. Security Ownership Of Certain Beneficial Owners and Management and Related Stockholder MattersItem 13. Certain Relationships and Related Transactions and Director IndependenceItem 14. Principal Accounting Fees and ServicesPart IVItem 15. Exhibits, Financial Statement SchedulesItem 16. Form 10-k Summary

Exhibits

September 15, 2006 000-16844, Form 8-K dated September 25, 2006 4.1 March 1, 2007 000-16844, Form8-K dated March19, 2007 4.1 September 1, 2012 000-16844, Form 8-K dated September 17, 2012 4.1 September 15, 2013 000-16844, Form 8-K dated September 23, 2013 4.1 September 1, 2014 000-16844, Form 8-K dated September 15, 2014 4.1 September 15, 2015 000-16844, Form 8-K dated October 5, 2015 4.1 September 1, 2016 000-16844, Form 8-K dated September 21, 2016 4.1 September 1, 2017 000-16844, Form 8-K dated September 18, 2017 4.1 February 1, 2018 000-16844, Form 8-K dated February 23, 2018 4.1 September 1, 2018 000-16844, Form 8-K dated September 11, 2018 4.1 August 15, 2019 000-16844, Form 8-K dated September 10, 2019 4.1 4-2 Exelon Corporation Direct Stock Purchase Plan (Registration Statement No.333-206474, Form S-3, Prospectus). February 22, 2006 001-01839, Form 8-K dated March6, 2006 4.1 August 1, 2006 001-01839, Form 8-K dated August28, 2006 4.1 September 15, 2006 001-01839, Form 8-K dated October 2, 2006 4.1 March 1, 2007 001-01839, Form8-K dated March23, 2007 4.1 August 30, 2007 001-01839, Form 8-K dated September 10, 2007 4.1 December 20, 2007 001-01839, Form 8-K dated January 16, 2008 4.1 March 10, 2008 001-01839, Form 8-K dated March 27, 2008 4.1 July 12, 2010 001-01839, Form 8-K dated August 2, 2010 4.1 August 22, 2011 001-01839, Form 8-K dated September 7, 2011 4.1 September 17, 2012 001-01839, Form 8-K dated October 1, 2012 4.1 August 1, 2013 001-01839, Form 8-K dated August 19, 2013 4.1 January 2, 2014 001-01839, Form 8-K dated January 10, 2014 4.1 October 28, 2014 001-01839, Form 8-K dated November 10, 2014 4.1 February 18, 2015 001-01839, Form 8-K dated March 2, 2015 4.1 November 4, 2015 001-01839, Form 8-K dated November 19, 2015 4.1 June 15, 2016 001-01839, Form 8-K dated June 27, 2016 4.1 August 9, 2017 001-01839, Form 8-K dated August 23, 2017 4.1 February 6, 2018 001-01839, Form 8-K dated February 20, 2018 4.1 July 26, 2018 001-01839, Form 8-K dated August 14, 2018 4.1 February 7, 2019 001-01839, Form 8-K dated February 19, 2019 4.1 October 29, 2019 001-01839, Form 8-K dated November 12, 2019 4.1 4-5 Instrument dated as of January 31, 1996, under the provisions of the Mortgage of Commonwealth Edison Company dated July 1, 1923 and Indentures Supplemental thereto, regarding individual trustee (File No. 1-1839, 1995 Form 10-K, Exhibit 4-29). 4-7 Form of 4.25% Senior Note due 2022 issued by Exelon Generation Company, LLC. (File 333-85496, Form 8-K dated June 18, 2012, Exhibit 4.1). 4-8 Form of 5.60% Senior Note due 2042 issued by Exelon Generation Company, LLC. (File 333-85496, Form 8-K dated June 18, 2012, Exhibit 4.2). 4-9 Form of 2.80% Senior Note due 2022 issued by Baltimore Gas and Electric Company. (File 1-1910, Form 8-K dated August 17, 2012, Exhibit 4.1). 4-10 Form of 3.35% Senior Note due 2023 Baltimore Gas and Electric Company. (File 1-1910, Form 8-K dated June17, 2013, Exhibit 4.1). 4-11 Form of 6.000% Senior Notes due 2033 issued by Exelon Generation Company, LLC (File No. 333-85496, Form 8-K dated September 30, 2013, ExhibitNo.4.1). 4-14 Indenture dated May 1, 2001 between Exelon Corporation and The Bank of New York Mellon Trust Company, National Association, as trustee (File No. 1-16169, June 30, 2005 Form 10-Q, Exhibit4-10). 4-15 Form of $500,000,000 5.625% senior notes due 2035 dated June 9, 2005 issued by Exelon Corporation (File No. 1-16169, Form 8-K dated June 9, 2005, Exhibit 99.3). 4-16 Indenture dated as of September 28, 2007 from Exelon Generation Company, LLC to U.S. Bank National Association, as trustee (File 333-85496, Form 8-K dated September28, 2007, Exhibit4.1). 4-17 Form of 6.25% Exelon Generation Company, LLC Senior Note due 2039 (File 333-85496, Form 8-K dated September 23, 2009, Exhibit 4.2). 4-18 Form of 4.00% Exelon Generation Company, LLC Senior Note due 2020 (File No.333-85496, Form 8-K dated September30, 2010, Exhibit 4.1). 4-19 Form of 5.75% Exelon Generation Company, LLC Senior Note due 2041 (File No.333-85496, Form 8-K dated September 30, 2010, Exhibit 4.2). 4-20 Indenture between Constellation Energy Group, Inc. and the Bank of New York, Trustee dated as of March 24, 1999. (Designated as Exhibit No. 4(a) to the Registration Statement on Form S-3 dated March 29, 1999, filed by Constellation Energy Group, Inc., File No. 333-75217.) 4-22 Indenture dated as of July 24, 2006 between Constellation Energy Group, Inc. and Deutsche Bank Trust Company Americas, as trustee. (Designated as Exhibit No. 4(a) to the Registration Statement on Form S-3 filed July 24, 2006, filed by Constellation Energy Group, Inc., File No. 333-135991). 4-23 First Supplemental Indenture between Constellation Energy Group, Inc. and Deutsche Bank Trust Company Americas, as trustee, dated as of June 27, 2008. (Designated as Exhibit 4(a) to the Current Report on Form 8-K dated June 30, 2008, filed by Constellation Energy Group, Inc., File No. 1-12869). 4-24 Indenture dated June 19, 2008 between Constellation Energy Group, Inc. and Deutsche Bank Trust Company Americas, as trustee. (Designated as Exhibit No. 4(a) to the Quarterly Report on Form 10-Q for the quarter ended June 30, 2008, filed by Constellation Energy Group, Inc., File Nos. 1-12869 and 1-1910). 4-25 Indenture, dated as of September 30, 2013, among Continental Wind, LLC, the guarantors party thereto and Wilmington Trust, National Association, as trustee (File No.333-85496, Form 8-K dated September 30, 2013, Exhibit No. 4.1). 4-27 Indenture dated as of July 24, 2006 between Baltimore Gas and Electric Company and Deutsche Bank Trust Company Americas, as trustee. (Designated as Exhibit 4(b) to the Registration Statement on Form S-3 filed July 24, 2006, filed by Constellation Energy Group, Inc., File No. 333-135991). 4-28 Indenture dated as of June 29, 2007, by and between RSB BondCo LLC and Deutsche Bank Trust Company Americas, as Trustee and Securities Intermediary. (Designated as Exhibit 4.1 to the Current Report on Form 8-K dated July 5, 2007, filed by Baltimore Gas and Electric Company, File No. 1-1910). 4-29 Series Supplement to Indenture dated as of June 29, 2007 by and between RSB BondCo LLC and Deutsche Bank Trust Company Americas, as Trustee and Securities Intermediary (Designated as Exhibit No. 4(b) to the Quarterly Report on Form 10-Q for the quarter ended September 30, 2009, filed by Baltimore Gas and Electric Company, File No. 1-1910). 4-30 Replacement Capital Covenant dated June 27, 2008. (Designated as Exhibit No. 4(b) to the Current Report on Form 8-K dated June 30, 2008, filed by Constellation Energy Group, Inc., File No. 1-12869). 4-31 Amendment to Replacement Capital Covenant, dated as of March 12, 2012, amending the Replacement Capital Covenant, dated as of June 27, 2008 (File No. 001-16169, Form 8-K dated March 14, 2012, Exhibit No. 99.4). 4-32 Officers Certificate, dated December 14, 2010, establishing the 5.15% Notes due December 1, 2020 of Constellation Energy Group, Inc., with the form of Notes attached thereto. (Designated as Exhibit No. 4 (b) to the Current Report on Form 8-K dated December 14, 2010, filed by Constellation Energy Group, Inc., File No. 1-12869). 4-33 Officers Certificate, November 16, 2011, establishing the 3.50% Notes due November15, 2021 of Baltimore Gas and Electric Company, with the form of Notes attached thereto. (Designated as Exhibit No. 4(b) to the Current Report on Form 8-K dated November 16, 2011, filed by Baltimore Gas and Electric Company, File No.1-1910). 4-34 Indenture, dated as of June 17, 2014, between Exelon Corporation and The Bank of New York Mellon Trust Company, N.A., as Trustee. (File No. 001-16169, Form 8-K dated June 23, 2014, Exhibit 4.1). 4-35-1 First Supplemental Indenture, dated as of June 17, 2014, between Exelon Corporation and The Bank of New York Mellon Trust Company, N.A., as Trustee. (File No. 001-16169, Form 8-K dated June 23, 2014, Exhibit 4.2). 4-35-2 Form of 2.50% Notes due 2024 (File No. 001-16169, Form 8-K dated June 23, 2014, Exhibit 4.2, Exhibit A). 4-35-3 Purchase Contract and Pledge Agreement, between Exelon Corporation and The Bank of New York Mellon Trust Company, N.A., as Purchase Contract Agent, Collateral Agent, Custodial Agent and Securities Intermediary. (File No. 001-16169, Form 8-K dated June 23, 2014, Exhibit 4.4). 4-35-4 Form of Remarketing Agreement (File No. 001-16169, Form 8-K dated June 23, 2014, Exhibit 4.4, Exhibit P). 4-35-5 Form of Corporate Unit (File No. 001-16169, Form 8-K dated June 23, 2014, Exhibit 4.4, Exhibit A). 4-35-6 Form of Treasury Unit (File No. 001-16169, Form 8-K dated June 23, 2014, Exhibit 4.4, Exhibit B). 4-36 Indenture, dated as of June 11, 2015, among Exelon Corporation and The Bank of New York Mellon Trust Company, National Association, as trustee (incorporated herein by reference to Exhibit 4.1 to Exelon Corporations Current Report on Form 8-K, filed on June 11, 2015). 4-36-1 First Supplemental Indenture, dated as of June 11, 2015, among Exelon Corporation and The Bank of New York Mellon Trust Company, National Association, as trustee (incorporated herein by reference to Exhibit 4.2 to Exelon Corporations Current Report on Form 8-K, filed on June 11, 2015). 4-36-2 Second Supplemental Indenture, dated as of December 2, 2015, among Exelon Corporation and The Bank of New York Mellon Trust Company, National Association, as trustee (incorporated herein by reference to Exhibit 4.1 to Exelon Corporations Current Report on Form 8-K, filed on December 2, 2015). 4-37 Form of Conversion Supplemental Indenture, dated March 23, 2016 (File No. 001-31403, Form 8-K dated March 24, 2016, Exhibit 4.1) 4-38 Third Supplemental Indenture, dated as of April 7, 2016, among Exelon Corporation and The Bank of New York Mellon Trust Company, N.A., as trustee (File No. 001-16169, Form 8-K dated April7, 2016, Exhibit 4.2) March 16, 2004 001-01072, Form8-K, 3/23/04 4.3 May 24, 2005 001-01072, Form 8-K, 5/26/05 4.2 November13, 2007 001-01072, Form 8-K, 11/15/07 4.2 March 24, 2008 001-01072, Form 8-K, 3/28/08 4.1 December 3, 2008 001-01072, Form 8-K, 12/8/08 4.2 March 28, 2012 001-01072, Form 8-K, 3/29/12 4.2 March 11, 2013 001-01072, Form 8-K, 3/12/13 4.2 November 14, 2013 001-01072, Form 8-K, 11/15/13 4.2 March 11, 2014 001-01072, Form 8-K, 3/12/14 4.2 March 9, 2015 001-01072, Form 8-K, 3/10/15 4.3 May 15, 2017 001-01072, Form 8-K, 5/22/17 4.2 June 1, 2018 001-01072, Form 8-K, 6/21/18 4.2 May 2, 2019 001-01072, Form 8-K, 6/13/19 4.2 4-41 Senior Note Indenture, dated November 17, 2003 between Potomac Electric Power Company and The Bank of New York Mellon (File No. 001-01072, Form 8-K dated November 21, 2003, Exhibit 4.2) 4-41-1 Supplemental Indenture, dated March 31, 2008, to Senior Note Indenture between Potomac Electric Power Company and The Bank of New York Mellon (File No. 001-01072, Form 10-K dated March 2, 2009, Exhibit 4.3) January 1, 1997 001-01405, Form 10-K, 2/24/12 4.4 November 7, 2013 001-01405, Form 8-K, 11/8/13 4.2 June 2, 2014 001-01405, Form 8-K, 6/3/14 4.3 May4, 2015 001-01405, Form 8-K, 5/5/15 4.2 December 5, 2016 001-01405, Form 8-K, 12/12/16 4.2 April 5, 2017 001-01405, Form 10-Q, 5/3/17 4.5 April 3, 2018 000-01405, Form 10-Q, 5/2/18 4.3 June 1, 2018 000-01405, Form 8-K, 6/21/18 4.2 April 3, 2019 001-01405, Form 10-Q, 5/2/19 4.2 May 2, 2019 001-01405, Form 8-K, 12/12/19 4.2 April 1, 2004 001-03559, Form 8-K, 4/6/04 4.3 March 8, 2006 001-03559, Form8-K,3/17/06 4 March 29, 2011 001-03559, Form 8-K, 4/1/11 4.2 August 18, 2014 001-03559, Form 8-K, 8/19/14 4.2 December 1, 2015 001-03559, Form 8-K, 12/2/15 4.2 October 9, 2018 001-03559, Form 8-K, 10/16/18 4.1 May 2, 2019 001-03559, Form 8-K, 5/21/19 4.3 4-46 Senior Note Indenture, dated as of April 1, 2004, between Atlantic City Electric Company and The Bank of New York Mellon, as trustee (File No. 001-03559, Form 8-K dated April 6, 2004, Exhibit 4.2) 4-50 Indenture, dated September 6, 2002, between Pepco Holdings, Inc. and The Bank of New York Mellon, as trustee (File No. 333-100478, Registration Statement on Form S-3 dated October 10, 2002, Exhibit 4.03) 4-51 Corporate Commercial Paper Master Note (File No. 001-31403, Form 10-K dated February 24, 2012, Exhibit 4.13) 4-52 Pepco Holdings, Inc. Certificate of Series A Non-Voting Non-Convertible Preferred Stock (File No. 001-31403, Form 8-k dated April 30, 2014, Exhibit 3.1) 4-53 Form of 2.400% notes due 2026 (File No. 001-01910, Form 8-K dated August 18, 2016, Exhibit4.1) 4-54 Form of 3.500% notes due 2046 (File No. 001-01910, Form 8-K dated August 18, 2016, Exhibit4.2) 4-55 Form of Exelon Generation Company, LLC 2.950% senior notes due 2020 (FileNo.333-85496,Form8-Kdated March10, 2017, Exhibit 4.1) 4-56 Form of Exelon Generation Company, LLC 3.400% notes due 2022 (FileNo.333-85496,Form8-Kdated March10, 2017, Exhibit 4.2) 4-57 Second Supplemental Indenture, dated April3, 2017, between Exelon and The Bank of New York Mellon Trust Company, N.A., as trustee, to that certain Indenture (For Unsecured Subordinated Debt Securities), dated June17, 2014 (FileNo.001-16169,Form8-K dated April4, 2017, Exhibit 4.3) 4-58 Form of Exelon Corporation 3.497% junior subordinated notes due 2022 (FileNo.001-16169,Form8-Kdated April4, 2017, Exhibit 4.4) 4-59 Form of First Mortgage Bond, 4.15% Series due March 15, 2043 (File No. 001-01072, Form 8-K dated May 22, 2017, Exhibit 4.2) 4-60 BGE Form of 3.750% notes due 2047 (File No. 001-01910, Form 8-K dated August 24, 2017, Exhibit 4.1) 4-61 Exempt Facilities Loan Agreement dated as of June 1, 2019 between the Maryland Economic Development Corporation and Potomac Electric Power Company (File No. 001-01072, Form 8-K dated June 27, 2019, Exhibit 4.1) 4-62 Indenture, dated as of September 1, 2019, between Baltimore Gas and Electric Company and U.S. Bank National Association, as trustee (File No. 001-01910, Form 8-K dated September 12, 2019, Exhibit 4.1) 4-63 Description of Exelon Securities 4-64 Description of PECO Securities 4-65 Description of ComEd Securities 10-1 Exelon Corporation Non-Employee Directors Deferred Stock Unit Plan (As Amended and Restated Effective September 25, 2019). * (File No. 001-16169, Form10-Q dated October 31, 2019, Exhibit 10.1). 10-2 Form of Exelon Corporation Unfunded Deferred Compensation Plan for Directors (as amended and restated Effective March 12, 2012). * (File No.1-16169, 2015 Form 10-K, Exhibit 10-3) 10-3 Form of Restricted Stock Award Agreement under the Exelon Corporation Long-Term Incentive Plan* (File No. 1-16169, Form 10-Q dated October 31, 2019, Exhibit 10.2). 10-4 Unicom Corporation Deferred Compensation Unit Plan, as amended (File Nos. 1-11375 and 1-1839, 1995 Form 10-K, Exhibit 10-12). 10-5 Amendment Number One to the Unicom Corporation Deferred Compensation Unit Plan, as amended January1, 2008 * (File No. 001-16169, 2008 Form 10-K, Exhibit 10.16). 10-6 Exelon Corporation Supplemental Management Retirement Plan (As Amended and Restated Effective January 1, 2009) * (File No. 001-16169, 2008 Form 10-K, Exhibit10.19). 10-7 PECO Energy Company Supplemental Pension Benefit Plan (As Amended and Restated Effective January 1, 2009) (File No. 000-16844, 2008 Form 10-K, Exhibit 10.20). 10-8 Exelon Corporation Annual Incentive Plan for Senior Executives (As Amended Effective January 1, 2014 * (File No. 1-16169, Exelon Proxy Statement dated April 1, 2014, Appendix A). 10-9 Exelon Corporation Employee Stock Purchase Plan, as amended and restated effective September 25, 2019 (File No. 1-16169, Form 10-Q dated October 31, 2019, Exhibit 10.3). 10-11 Form of Stock Option Grant Instrument under the Exelon Corporation 2006 Long-Term Incentive Plan (File No. 1-16169, Form 8-K filed January 27, 2006, Exhibit 99.2). 10-12 Exelon Corporation Employee Stock Purchase Plan for Unincorporated Subsidiaries, as amended and restated effective September 25, 2019 (File No. 1-16169, Form 10-Q dated October 31, 2019, Exhibit 10.4). 10-13 Exelon Corporation Senior Management Severance Plan (As Amended and Restated Effective January 1, 2020) * 10-14 Exelon Corporation Executive Death Benefits Plan dated as of January 1, 2003 * (File No.1-16169, 2006 Form 10-K, Exhibit 10-52). 10-15 First Amendment to Exelon Corporation Executive Death Benefits Plan, Effective January1, 2006 * (File No. 1-16169, 2006 Form 10-K, Exhibit 10-53). 10-16 Amendment Number One to the Exelon Corporation 2006 Long-Term Incentive Plan, Effective December4, 2006 (File No. 1-16169, 2006 Form 10-K, Exhibit 10-54). 10-17 Exelon Corporation Deferred Compensation Plan (As Amended and Restated Effective January 1, 2005) (File No. 1-16169, 2006 Form 10-K, Exhibit 10-56). 10-18 Exelon Corporation Stock Deferral Plan (As Amended and Restated Effective September 25, 2019) (File No. 1-16169, Form 10-Q dated October 31, 2019, Exhibit 10.5). 10-19 Restricted stock unit award agreement (File 1-16169, Form 8-K dated August 31, 2007, Exhibit 99.1). 10-20 Form of Exelon Corporation 2011 Long-Term Incentive Plan, as amended effective December 18, 2014. * (File No.1-16169, 2015 Form 10-K, Exhibit 10-34) 10-20-1 Form of Exelon Corporation Long-Term Incentive Program, as amended and restated as of January 1, 2020. * 10-20-2 Amendment Number Two to the Exelon Corporation 2011 Long-Term Incentive Plan (As Amended and Restated Effective January 21, 2014), Effective October 26, 2015. * (File No.1-16169, 2015 Form 10-K, Exhibit 10-34-3) 10-21 Form of Separation Agreement under Exelon Corporation Senior Management Severance Plan (As Amended and Restated Effective January 1, 2020) 10-22 Credit Agreement for $500,000,000 dated as of March 23, 2011 between Exelon Corporation and Various Financial Institutions (File No. 001-16169, Form 8-K dated March 23, 2011, Exhibit No. 99.1). 10-23 Credit Agreement for $5,300,000,000 dated as of March 23, 2011 between Exelon Generation Company, LLC and Various Financial Institutions (File No. 333-85496, Form8-K dated March 23, 2011, Exhibit No. 99.2). 10-24 Credit Agreement for $600,000,000 dated as of March 23, 2011 between PECO Energy Company and Various Financial Institutions (File No. 000-16844, Form 8-K dated March23, 2011, Exhibit No. 99.3). 10-25 Credit Agreement dated as of March 28, 2012 among Commonwealth Edison Company, Various Financial Institutions, as Lenders, and JP Morgan Chase Bank, N.A., as Administrative Agent (File No. 001-01839, Form 8-K dated March 28, 2012, ExhibitNo.99-1). 10-26 Amendment No. 3 to Credit Agreement dated as of March 23, 2011 among Exelon Corporation, as Borrower, the various financial institutions named therein, as Lenders, and JPMorgan Chase Bank, N.A., as Administrative Agent (File No. 001-16169, Form8-K dated August 10, 2013, Exhibit No. 99-1). 10-27 Amendment No. 1 to Credit Agreement dated as of March 28, 2012 among Commonwealth Edison Company, as Borrower, the various financial institutions named therein, as Lenders and JPMorgan Chase Bank, N.A., as Administrative Agent (File No.001-1839, Form 8-K dated August 10, 2013, Exhibit No. 99-2). 10-28 Amendment No. 1 to Credit Agreement, dated as of December 21, 2011, to the Credit Agreement dated as of March 23, 2011, among Exelon Generation Company, LLC, the lenders party thereto and JPMorgan Chase Bank, N.A., as Administrative Agent (File No.001-16169, Form 8-K dated March 14, 2012, Exhibit No. 4-6). 10-29 Constellation Energy Group, Inc. Nonqualified Deferred Compensation Plan, as amended and restated. * (Designated as Exhibit No. 10(b) to the Constellation Annual Report on Form 10-K for the year ended December31, 2008, filed by Constellation Energy Group, Inc., File Nos. 1-12869 and 1-1910). 10-30 Constellation Energy Group, Inc. Deferred Compensation Plan for Non-Employee Directors, as amended and restated. * (Designated as Exhibit No. 10(c) to the Constellation Annual Report on Form 10-K for the year ended December 31, 2008, filed by Constellation Energy Group, Inc., File Nos. 1-12869 and 1-1910). 10-31 Constellation Energy Group, Inc. Benefits Restoration Plan, amended and restated effective June 1, 2010. * (Designated as Exhibit No. 10(b) to the Constellation Quarterly Report on Form 10-Q for the quarter ended June 30, 2010, filed by Constellation Energy Group, Inc., File Nos. 1-12869 and 1-1910). 10-32 Constellation Energy Group, Inc. Supplemental Pension Plan, as amended and restated. * (Designated as Exhibit No. 10(e) to the Constellation Annual Report on Form 10-K for the year ended December 31, 2008, filed by Constellation Energy Group, Inc., File Nos.1-12869 and 1-1910). 10-33 Constellation Energy Group, Inc. Senior Executive Supplemental Plan, as amended and restated. * (Designated as Exhibit No. 10(f) to the Constellation Annual Report on Form10-K for the year ended December 31, 2008, filed by Constellation Energy Group, Inc., File Nos. 1-12869 and 1-1910). 10-34 Constellation Energy Group, Inc. Executive Supplemental Benefits Plan, as amended and restated. * (Designated as Exhibit No. 10(a) to the Constellation Quarterly Report on Form 10-Q for the quarter ended June 30, 2008, filed by Constellation Energy Group, Inc., File Nos. 1-12869 and 1-1910). 10-35 Constellation Energy Group,Inc. Amended and Restated 2007 Long-Term Incentive Plan. * (Designated as Exhibit No.10.1 to the Current Report on Form8-K dated June4, 2010, filed by Constellation Energy Group, Inc., File No.1-12869). 10-36 Second Amended and Restated Operating Agreement, dated as of November 6, 2009, by and among Constellation Energy Nuclear Group, LLC, Constellation Nuclear, LLC, CE Nuclear, LLC, EDF Development Inc., and for certain limited purposes, E.D.F. International S.A. and Constellation Energy Group, Inc. (Designated as Exhibit No. 10.1 to the Current Report on Form 8-K dated November 12, 2009, filed by Constellation Energy Group, Inc., File No. 1-12869). 10-37 Amendment No. 1 to the Second Amended and Restated Operating Agreement of Constellation Energy Nuclear Group, LLC, by and among Constellation Nuclear, LLC, CE Nuclear, LLC, EDF Inc. (formerly known as EDF Development, Inc.), and E.D.F. International S.A. (Designated as Exhibit No. 10(s) to the Annual Report on Form 10-K for the year ended December 31, 2010, filed by Constellation Energy Group, Inc., File Nos. 1-12869 and 1-1910). 10-38 Amendment No. 2 to the Second Amended and Restated Operating Agreement of Constellation Energy Nuclear Group, LLC, by and among Constellation Nuclear, LLC, CE Nuclear, LLC, EDF Inc. (formerly known as EDF Development, Inc.), and E.D.F. International S.A. (Designated as Exhibit No. 10(t) to the Annual Report on Form 10-K for the year ended December 31, 2010, filed by Constellation Energy Group, Inc., File Nos.1-12869 and 1-1910). 10-39 Amendment No. 3 to the Second Amended and Restated Operating Agreement of Constellation Energy Nuclear Group, LLC, by and among Constellation Nuclear, LLC, CE Nuclear, LLC, EDF Inc. (formerly known as EDF Development, Inc.), and E.D.F. International S.A. (Designated as Exhibit No. 10.1 to the Current Report on Form 8-K dated November 3, 2010, filed by Constellation Energy Group, Inc., File No. 1-12869). 10-40 Termination Agreement dated as of November 3, 2010, by and among EDF Inc. (formerly known as EDF Development, Inc.), E.D.F. International S.A., and Constellation Energy Group, Inc. (Designated as Exhibit No. 10.2 to the Current Report on Form 8-K dated November 3, 2010, filed by Constellation Energy Group, Inc., File No. 1-12869). 10-41 Settlement Agreement between EDF Inc., Exelon Corporation, Exelon Energy Delivery Company, LLC, Constellation Energy Group, Inc. and Baltimore Gas and Electric Company dated January 16, 2012. (Designated as Exhibit No. 10.1 to the Current Report on Form 8-K dated January 19, 2012, File Nos. 1-12869 and 1-1910). 10-42-1 Confirmation of Base Issuer Forward Transaction, dated June11, 2014, between Exelon Corporation and Barclays Capital, Inc., acting as Agent for Barclays Bank PLC (File No. 001-16169, Form 8-K dated June 17, 2014, Exhibit 10.1). 10-42-2 Confirmation of Base Issuer Forward Transaction, dated June11, 2014, between Exelon Corporation and Goldman Sachs & Co. (File No. 001-16169, Form 8-K dated June 17, 2014, Exhibit 10.2). 10-42-3 Confirmation of Additional Issuer Forward Transaction, dated June13, 2014, between Exelon Corporation and Barclays Capital, Inc., acting as Agent for Barclays Bank PLC (File No. 001-16169, Form 8-K dated June 17, 2014, Exhibit 10.3). 10-42-4 Confirmation of Additional Issuer Forward Transaction, dated June13, 2014, between Exelon Corporation and Goldman Sachs & Co. (File No. 001-16169, Form 8-K dated June 17, 2014, Exhibit 10.4). 10-45 Purchase Agreement, dated as of April 20, 2010, by and among Pepco Holdings, Inc., Conectiv, LLC, Conectiv Energy Holding Company, LLC and New Development Holdings, LLC (File No. 001-31403, Form 8-K dated July 8, 2010, Exhibit 2.1) 10-46 Purchase Agreement, dated March 9, 2015, among Potomac Electric Power Company and BNY Mellon Capital Markets, LLC, Morgan Stanley & Co. LLC, and RBS Securities Inc., as representatives of the several underwriters named therein (File No. 001-01072, Form 8-K dated March 10, 2015, Exhibit 1.1) 10-47 Purchase Agreement, May4, 2015, among Delmarva Power & Light Company and J.P. Morgan Securities LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated, and Scotia Capital (USA) Inc., as representatives of the several underwriters named therein (File No. 001-01405, Form 8-K dated May 5, 2015, Exhibit 1.1) 10-48 Bond Purchase Agreement, dated December1, 2015, among Atlantic City Electric Company and the purchasers signatory thereto (File No. 001-03559, Form 8-K dated December 2, 2015, Exhibit 1.1) 10-49 $300,000,000 Term Loan Agreement by and among PHI, The Bank of Nova Scotia, as Administrative Agent, and the lenders party thereto, dated July30, 2015 (File No. 001-31403, Form 8-K dated July 30, 2015, Exhibit 10) 10-50 First Amendment to Term Loan Agreement, dated as of October 29, 2015, by and among PHI, The Bank of Nova Scotia, as Administrative Agent, and the lenders party thereto (File No. 001-31403, Form 8-K dated October 29, 2015, Exhibit 10.2) 10-51 $500,000,000 Term Loan Agreement by and among PHI, The Bank of Nova Scotia, as Administrative Agent, and the lenders party thereto, dated January13, 2016 (File No. 001-31403, Form 8-K dated January 14, 2016, Exhibit 10) 10-52 Second Amended and Restated Credit Agreement, dated as of August 1, 2011, by and among Pepco Holdings, Inc., Potomac Electric Power Company, Delmarva Power & Light Company and Atlantic City Electric Company, the lenders party thereto, Wells Fargo Bank, National Association, as agent, issuer and swingline lender, Bank of America, N.A., as syndication agent and issuer, The Royal Bank of Scotland plc and Citicorp USA, Inc., as co-documentation agents, Wells Fargo Securities, LLC and Merrill Lynch, Pierce, Fenner and Smith Incorporated, as active joint lead arrangers and joint book runners, and Citigroup Global Markets Inc. and RBS Securities, Inc. as passive joint lead arrangers and joint book runners (File No. 001-31403, Form 10-Q dated August 3, 2011, Exhibit 10.1) 10-52-1 First Amendment, dated as of August 2, 2012, to Second Amended and Restated Credit Agreement, dated as of August 1, 2011, by and among Pepco Holdings, Inc., Potomac Electric Power Company, Delmarva Power & Light Company and Atlantic City Electric Company, the various financial institutions party thereto, Wells Fargo Bank, National Association, as agent, issuer of letters of credit and swingline lender, Bank of America, N.A., as syndication agent and issuer of letters of credit, and The Royal Bank of Scotland plc and Citibank, N.A., as co-documentation agents (File No. 001-31403, Form 10-K dated March 1, 2013, Exhibit 10.25.1) 10-52-2 Amendment and Consent to Second Amended and Restated Credit Agreement, dated as of May 20, 2014, by and among Pepco Holdings, Inc., Potomac Electric Power Company, Delmarva Power & Light Company and Atlantic City Electric Company, the various financial institutions from time to time party thereto, Bank of America, N.A. and Wells Fargo Bank, National Association (File No. 001-31403, Form 8-K dated May 20, 2014, Exhibit 10.1) 10-52-3 Third Amendment to Second Amended and Restated Credit Agreement, dated as of May 1, 2015, by and among Pepco Holdings, Inc., Potomac Electric Power Company, Delmarva Power & Light Company and Atlantic City Electric Company, the various financial institutions from time to time party thereto, Bank of America, N.A. and Wells Fargo Bank, National Association (File No. 001-31403, Form 8-K dated May 1, 2015, Exhibit 10.1) 10-52-4 Consent, dated as of October29, 2015, by and among Pepco Holdings, Inc., Potomac Electric Power Company, Delmarva Power & Light Company and Atlantic City Electric Company, the various financial institutions from time to time party thereto, Bank of America, N.A. and Wells Fargo Bank, National Association (File No. 001-31403, Form 8-K dated October 29, 2015, Exhibit 10.1) 10-53-1 Amendment No. 1 to the Asset Purchase and Sale Agreement for Generating Plants and Related Assets, dated September 18, 2000, by and between Potomac Electric Power Company and Southern Energy, Inc. (File No. 001-01072, Form 8-K dated December 19, 2000, Exhibit 10.1) 10-53-2 Amendment No. 2 to the Asset Purchase and Sale Agreement for Generating Plants and Related Assets, dated December 19, 2000, by and between Potomac Electric Power Company and Southern Energy, Inc. (File No. 001-01072, Form 8-K dated December 19, 2000, Exhibit 10.2) 10-54 First Amendment to Loan Agreement, by and between Pepco Holdings LLC and The Bank of Nova Scotia, as administrative agent and lender, dated March 28, 2016 (File No. 001-31403, Form8-K dated March 28, 2016, Exhibit 10) 10-55 Amendment No. 7 to Credit Agreement, dated as of March 23, 2011, among Exelon Corporation, as Borrower, the various financial institutions named therein, as Lenders, and JPMorgan Chase Bank, N.A., as Administrative Agent (File No. 001-16169, Form 8-K dated May 27, 2016, Exhibit99.1) 10-56 Amendment No. 7 to Credit Agreement, dated as of March 23, 2011, among Exelon Generation Company, LLC, as Borrower, the various financial institutions named therein, as Lenders, and JPMorgan Chase Bank, N.A., as Administrative Agent (File No. 333-85496, Form 8-K dated May27, 2016, Exhibit 99.2) 10-57 Amendment No. 4 to Credit Agreement, dated as of March 23, 2011, among Commonwealth Edison Company, as Borrower, the various financial institutions named therein, as Lenders, and JPMorgan Chase Bank, N.A., as Administrative Agent (File No. 333-85496, Form 8-K dated May27, 2016, Exhibit 99.3) 10-58 Amendment No. 6 to Credit Agreement, dated as of March 23, 2011, among PECO Energy Company, as Borrower, the various financial institutions named therein, as Lenders, and JPMorgan Chase Bank, N.A., as Administrative Agent (File No. 000-16844, Form 8-K dated May 27, 2016, Exhibit 99.4) 10-59 Amendment No. 5 to Credit Agreement, dated as of March 23, 2011, among Baltimore Gas and Electric Company, as Borrower, the various financial institutions named therein, as Lenders, and JPMorgan Chase Bank, N.A., as Administrative Agent (File No. 001-01910, Form 8-K dated May27, 2016, Exhibit 99.5) 10-60 Fourth Amendment to Second Amended and Restated Credit Agreement, dated as of August 1, 2011, among Pepco Holdings LLC, Potomac Electric Power Company, Delmarva Power & Light Company and Atlantic City Electric Company, as Borrowers, the various financial institutions named therein, as Lenders, and Wells Fargo Bank, National Association, as Administrative Agent (File No. 001-31403, Form 8-K dated May 27, 2016, Exhibit 99.6) 10-61 2016 Form of Exelon Corporation Change in Control Agreement (File No. 001-16169, Form 10-Q dated October 26, 2016, Exhibit 10.1) 10-62 Execution Version-ZEC Standard Contract by and between the NYSERDA and Nine Mile Point Nuclear Station, LLC dated Nov. 18, 2016 (File No. 001-16169, Form 8-K dated November 18, 2016, Exhibit 10.1) 10-63 Execution Version-ZEC Standard Contract by and between the NYSERDA and R. E. Ginna Nuclear Power Plant, LLC dated Nov. 18, 2016 (File No. 001-16169, Form 8-K dated November 18, 2016, Exhibit 10.2) 10-64 Credit Agreement, dated as of November 28, 2017, as thereafter amended and conformed among ExGen Renewables IV, LLC, ExGen Renewables IV Holding, LLC, Morgan Stanley Senior Funding, Inc. as administrative agent, Wilmington Trust, National Association, as depository bank and collateral agent, and the lenders and other agents party thereto. (Certain portions of this exhibit have been omitted by redacting a portion of text, as indicated by asterisks in the text. This exhibit has been filed separately with the U.S. Securities and Exchange Commission pursuant to a request for confidential treatment.) 10-65 Purchase Agreement, dated June 8, 2018 among Delmarva Power & Light Company and the purchasers signatory thereto (File No. 001-01405, Form 8-K dated June 21, 2018, Exhibit 1.1) 10-66 Purchase Agreement, dated June 8, 2018, among Potomac Electric Power Company and the purchasers signatory thereto (File No. 001-01072, Form 8-K dated June 21, 2018, Exhibit 1.1) 10-67 Letter Agreement, dated May 7, 2018, between Exelon Corporation and Denis P. OBrien (File No. 001-16169, Form 10-Q dated August 2, 2018, Exhibit 10.3) 10-68 Letter Agreement, dated May 7, 2018, between Exelon Corporation and Jonathan W. Thayer (File No. 001-16169, Form 10-Q dated August 2, 2018, Exhibit 10.4) 14 Exelon Code of Conduct, as amended March 12, 2012 (File No. 1-16169, Form 8-K dated March 14, 2012, Exhibit No. 14-1). 21-1 Exelon Corporation 21-2 Exelon Generation Company, LLC 21-3 Commonwealth Edison Company 21-4 PECO Energy Company 21-5 Baltimore Gas and Electric Company 21-6 Pepco Holdings LLC 21-7 Potomac Electric Power Company 21-8 Delmarva Power & Light Company 21-9 Atlantic City Electric Company 23-1 Exelon Corporation 23-2 Exelon Generation Company, LLC 23-3 Commonwealth Edison Company 23-4 PECO Energy Company 23-5 Baltimore Gas and Electric Company 23-6 Potomac Electric Power Company 23-7 Delmarva Power & Light Company 23-8 Atlantic City Electric Company 24-1 Anthony K. Anderson 24-2 Ann C. Berzin 24-3 Laurie Brlas 24-4 Christopher M. Crane 24-5 Yves C. de Balmann 24-6 Nicholas DeBenedictis 24-7 Linda P. Jojo 24-8 Paul Joskow 24-9 Robert J. Lawless 24-10 Richard W. Mies 24-12 Mayo A. Shattuck III 24-13 Stephen D. Steinour 24-14 John F. Young 24-16 James W. Compton 24-17 Christopher M. Crane 24-18 A. Steven Crown 24-19 Nicholas DeBenedictis 24-20 Joseph Dominguez 24-21 Peter V. Fazio, Jr. 24-22 Michael H. Moskow 24-23 Calvin G. Butler 24-24 Juan Ochoa 24-25 Christopher M. Crane 24-27 Nicholas DeBenedictis 24-28 Nelson A. Diaz 24-29 John S. Grady 24-30 Rosemarie B. Greco 24-31 Michael A. Innocenzo 24-32 Charisse R. Lillie 24-33 Calvin G. Butler 24-34 Ann C. Berzin 24-35 Carim V. Khouzami 24-36 Christopher M. Crane 24-37 Michael E. Cryor 24-38 James R. Curtiss 24-39 Joseph Haskins, Jr. 24-40 Calvin G. Butler 24-41 Michael D. Sullivan 24-42 Maria Harris Tildon 24-43 Christopher M. Crane 24-44 Linda W. Cropp 24-45 Michael E. Cryor 24-46 Ernest Dianastasis 24-47 Debra P. DiLorenzo 24-48 Calvin G. Butler 24-49 David M. Velazquez 24-50 J. Tyler Anthony 24-51 Phillip S. Barnett 24-52 Christopher M. Crane 24-53 Melissa A. Lavinson 24-54 Kevin M. McGowan 24-55 Calvin G. Butler 24-56 David M. Velazquez 24-57 Calvin G. Butler 24-58 David M. Velazquez 24-59 David M. Velazquez 31-1 Filed by Christopher M. Crane for Exelon Corporation 31-2 Filed by Joseph Nigro for Exelon Corporation 31-3 Filed by Kenneth W. Cornew for Exelon Generation Company, LLC 31-4 Filed by Bryan P. Wright for Exelon Generation Company, LLC 31-5 Filed by Joseph Dominguez for Commonwealth Edison Company 31-6 Filed by Jeanne M. Jones for Commonwealth Edison Company 31-7 Filed by Michael A. Innocenzo for PECO Energy Company 31-8 Filed by Robert J. Stefani for PECO Energy Company 31-9 Filed by Carim V. Khouzami for Baltimore Gas and Electric Company 31-10 Filed by David M. Vahos for Baltimore Gas and Electric Company 31-11 Filed by David M. Velazquez for Pepco Holdings LLC 31-12 Filed by Phillip S. Barnett for Pepco Holdings LLC 31-13 Filed by David M. Velazquez for Potomac Electric Power Company 31-14 Filed by Phillip S. Barnett for Potomac Electric Power Company 31-15 Filed by David M. Velazquez for Delmarva Power & Light Company 31-16 Filed by Phillip S. Barnett for Delmarva Power & Light Company 31-17 Filed by David M. Velazquez for Atlantic City Electric Company 31-18 Filed by Phillip S. Barnett for Atlantic City Electric Company 32-1 Filed by Christopher M. Crane for Exelon Corporation 32-2 Filed by Joseph Nigro for Exelon Corporation 32-3 Filed by Kenneth W. Cornew for Exelon Generation Company, LLC 32-4 Filed by Bryan P. Wright for Exelon Generation Company, LLC 32-5 Filed by Joseph Dominguez for Commonwealth Edison Company 32-6 Filed by Jeanne M. Jones for Commonwealth Edison Company 32-7 Filed by Michael A. Innocenzo for PECO Energy Company 32-8 Filed by Robert J. Stefani for PECO Energy Company 32-9 Filed by Carim V. Khouzami for Baltimore Gas and Electric Company 32-10 Filed by David M. Vahos for Baltimore Gas and Electric Company 32-11 Filed by David M. Velazquez for Pepco Holdings LLC 32-12 Filed by Phillip S. Barnett for Pepco Holdings LLC 32-13 Filed by David M. Velazquez for Potomac Electric Power Company 32-14 Filed by Phillip S. Barnett for Potomac Electric Power Company 32-15 Filed by David M. Velazquez for Delmarva Power & Light Company 32-16 Filed by Phillip S. Barnett for Delmarva Power & Light Company 32-17 Filed by David M. Velazquez for Atlantic City Electric Company 32-18 Filed by Phillip S. Barnett for Atlantic City Electric Company