DELMARVA POWER & LIGHT CO Contracts & Agreements

ACE Supplemental Indenture to the Mortgage and Deed of Trust, dated as of February 1, 2022 (Filed With SEC on February 15, 2022)

DPL Supplemental Indenture to the Mortgage and Deed of Trust, dated as of February 1, 2022 (Filed With SEC on February 15, 2022)

Purchase Agreement, dated November 16, 2021 among ACE and the purchasers signatory thereto (Filed With SEC on November 16, 2021)

Purchase Agreement, dated November 16, 2021 among DPL and the purchasers signatory thereto (Filed With SEC on November 16, 2021)

ACE Supplemental Indenture to the Mortgage and Deed of Trust, dated as of November 1, 2021 (Filed With SEC on November 16, 2021)

Purchase Agreement, dated March 30, 2021 among DPL and the purchasers signatory thereto (Filed With SEC on March 30, 2021)

Purchase Agreement, dated March 30, 2021 among Pepco and the purchasers signatory thereto (Filed With SEC on March 30, 2021)

DPL Supplemental Indenture to the Mortgage and Deed of Trust, dated as of February 15, 2021 (Filed With SEC on March 30, 2021)

Pepco Supplemental Indenture to the Mortgage and Deed of Trust, dated as of February 15, 2021 (Filed With SEC on March 30, 2021)

Gas Facilities Loan Agreement, dated as of July 1, 2020, between The Delaware Economic Development Authority and DPL (Filed With SEC on July 1, 2020)

Purchase Agreement, dated June 9, 2020 among Atlantic City Electric Company and the purchasers signatory thereto (Filed With SEC on June 9, 2020)

Purchase Agreement, dated June 9, 2020 among Delmarva Power & Light Company and the purchasers signatory thereto (Filed With SEC on June 9, 2020)

Supplemental Indenture, dated as of June 1, 2020, with respect to the ACE Mortgage and Deed of Trust, dated as of January 15, 1937 (Filed With SEC on June 9, 2020)

Supplemental Indenture, dated as of June 1, 2020, with respect to the DPL Mortgage and Deed of Trust, dated as of October 1, 1943 (Filed With SEC on June 9, 2020)

Form of First Mortgage Bonds, 4.14% Series due December 12, 2049 (included in Exhibit 4.2) (Filed With SEC on December 12, 2019)

DELMARVA POWER & LIGHT COMPANY $175,000,000 First Mortgage Bonds, 4.15% Series Due 2045 Underwriting Agreement (Filed With SEC on December 12, 2016)

DELMARVA POWER & LIGHT COMPANY TO THE BANK OF NEW YORKMELLON, Trustee. ONE HUNDRED ANDEIGHTEENTH SUPPLEMENTAL INDENTURE Dated as of December 5, 2016 (butexecuted on the dates... (Filed With SEC on December 12, 2016)

DELMARVA POWER & LIGHT COMPANY (a Delaware and Virginia corporation) First Mortgage Bonds, 4.15% Series due May15, 2045 PURCHASE AGREEMENT (Filed With SEC on May 5, 2015)

DELMARVA POWER & LIGHT COMPANY TO THE BANK OF NEW YORK MELLON, Trustee. ________ ONE HUNDRED AND SIXTEENTH SUPPLEMENTAL INDENTURE ________ Dated as of May 4, 2015 (but executed on... (Filed With SEC on May 5, 2015)

DELMARVA POWER & LIGHT COMPANY (a Delaware and Virginia corporation) First Mortgage Bonds, 3.50% Series due November15, 2023 (Additional First Mortgage Bonds of ExistingSeries)... (Filed With SEC on June 3, 2014)

DELMARVA POWER & LIGHT COMPANY TO THE BANK OF NEW YORK MELLON, Trustee. (Filed With SEC on June 3, 2014)

DELMARVA POWER & LIGHT COMPANY (a Delaware and Virginia corporation) First Mortgage Bonds, 3.50% Series due November 15,2023 PURCHASE AGREEMENT (Filed With SEC on November 8, 2013)

DELMARVA POWER & LIGHT COMPANY TO THE BANK OF NEW YORK MELLON, Trustee. (Filed With SEC on November 8, 2013)

DELMARVA POWER & LIGHT COMPANY (a Delaware and Virginiacorporation) First Mortgage Bonds, 4.00% Series due June 1, 2042 PURCHASE AGREEMENT (Filed With SEC on June 20, 2012)

DELMARVA POWER & LIGHTCOMPANY TO THE BANK OF NEW YORK MELLON, Trustee. ONE HUNDRED AND TENTH SUPPLEMENTAL INDENTURE Dated as ofJune 19, 2012 (but executed on the dates shown on... (Filed With SEC on June 20, 2012)

THE DELAWARE ECONOMIC DEVELOPMENT AUTHORITY REOFFERING AGREEMENT (Filed With SEC on June 3, 2011)

DELMARVA POWER & LIGHT COMPANY TO THE BANK OF NEW YORK MELLON, Trustee ONE HUNDRED AND EIGHTH SUPPLEMENTAL INDENTURE (amending the One Hundred and Fifth Supplemental Indenture)... (Filed With SEC on June 3, 2011)

THE DELAWARE ECONOMIC DEVELOPMENT AUTHORITY REOFFERING AGREEMENT (Filed With SEC on December 1, 2010)

DELMARVA POWER & LIGHT COMPANY TO THE BANK OF NEW YORK MELLON, Trustee. ____________ ONE HUNDRED AND FIFTH SUPPLEMENTAL INDENTURE ____________ Dated as of September22, 2009 (but... (Filed With SEC on October 1, 2009)

DELMARVAPOWER & LIGHT COMPANY (aDelaware and Virginia corporation) FirstMortgage Bonds, Series I 6.40% Bonds due December 1, 2013 PURCHASEAGREEMENT (Filed With SEC on November 21, 2008)