Multi-Utilities Industry Retirement Agreements

Tenth Amendment to MDU Resources Group, Inc. 401(k) Retirement Plan. as amended April 1, 2024 (MDU Resources Group Inc, Filed With SEC on May 2, 2024)

Ninth Amendment to MDU Resources Group, Inc. 401(k) Retirement Plan. as amended March 28, 2024 (MDU Resources Group Inc, Filed With SEC on May 2, 2024)

Fifth Amendment to amended and restated Ameren Supplemental Retirement Plan, dated October 13, 2023 (Ameren Corp, Filed With SEC on February 29, 2024)

Fourth Amendment to amended and restated Ameren Supplemental Retirement Plan, dated November 3, 2015 (Ameren Corp, Filed With SEC on February 29, 2024)

Third Amendment to amended and restated Ameren Supplemental Retirement Plan, dated January 5, 2015 (Ameren Corp, Filed With SEC on February 29, 2024)

Second Amendment to amended and restated Ameren Supplemental Retirement Plan, dated November 27, 2013 (Ameren Corp, Filed With SEC on February 29, 2024)

Eighth Amendment to MDU Resources Group, Inc. 401(k) Retirement Plan, as amended January 1, 2024 (MDU Resources Group Inc, Filed With SEC on February 22, 2024)

Seventh Amendment to MDU Resources Group, Inc. 401(k) Retirement Plan, as amended August 23, 2023 (MDU Resources Group Inc, Filed With SEC on February 22, 2024)

Sixth Amendment to MDU Resources Group, Inc. 401(k) Retirement Plan, as amended May 1, 2023 (MDU Resources Group Inc, Filed With SEC on February 22, 2024)

Defined Contribution Supplemental Executive Retirement Plan, amended December 21, 2023, effective January 1, 2024 (CONSUMERS ENERGY CO, Filed With SEC on February 8, 2024)

Defined Contribution Supplemental Executive Retirement Plan, as amended and restated, effective July (CONSUMERS ENERGY CO, Filed With SEC on July 27, 2023)

Amendment to the Consolidated Edison Company of New York, Inc. Supplemental Retirement Income Plan (Consolidated Edison, Filed With SEC on May 4, 2023)

Amendment to the Consolidated Edison Retirement Plan, effective March 1, 2023 (Consolidated Edison, Filed With SEC on May 4, 2023)

MDU Resources Group, Inc. 401(k) Retirement Plan, as amended December 28, 2022 (MDU Resources Group Inc, Filed With SEC on February 24, 2023)

Amendment to the Consolidated Edison Retirement Plan, effective October 1, 2022 (Consolidated Edison, Filed With SEC on February 16, 2023)

MDU Resources Group, Inc. 401(k) Retirement Plan, as amended January 1, 2022 (MDU Resources Group Inc, Filed With SEC on February 23, 2022)

Amendment to the Consolidated Edison Company of New York, Inc. Supplemental Retirement Income Plan (Consolidated Edison, Filed With SEC on February 17, 2022)

Amendment to the Consolidated Edison Retirement Plan, effective January 1, 2022 (Consolidated Edison, Filed With SEC on February 17, 2022)

MDU Resources Group, Inc. 401(k) Retirement Plan, as amended January 1, 2021 (MDU Resources Group Inc, Filed With SEC on May 6, 2021)

Instrument of Amendment to the MDU Resources Group, Inc. 401(k) Retirement Plan, dated December 17, 2020 (MDU Resources Group Inc, Filed With SEC on February 19, 2021)

Amendment to the Consolidated Edison Retirement Plan, effective January 31, 2020 (Consolidated Edison, Filed With SEC on February 18, 2021)

NiSource Inc. Supplemental Executive Retirement Plan, as amended and restated effective November 1, 2020 (NiSource Inc., Filed With SEC on November 2, 2020)

Amendment to the Consolidated Edison Retirement Plan, effective March 27, 2020 (Consolidated Edison, Filed With SEC on August 6, 2020)

MDU Resources Group, Inc. 401(k) Retirement Plan, as restated April 1, 2020 (MDU Resources Group Inc, Filed With SEC on May 8, 2020)

Avista Corporation Supplemental Executive Retirement Plan (Post-2004 Component, Amended in 2018) (Avista Corporation, Filed With SEC on February 26, 2020)

Instrument of Amendment to the MDU Resources Group, Inc. 401(k) Retirement Plan, dated October 15, 2019 (MDU Resources Group Inc, Filed With SEC on February 21, 2020)

Instrument of Amendment to the MDU Resources Group, Inc. 401(k) Retirement Plan, dated August 22, 2019 (MDU Resources Group Inc, Filed With SEC on November 1, 2019)

Amendment to New Executive Supplemental Retirement Plan, effective October 1, 2019 (Dominion Energy, Filed With SEC on October 2, 2019)

Instrument of Amendment to the MDU Resources Group, Inc. 401(k) Retirement Plan, dated March 22, 2019 (MDU Resources Group Inc, Filed With SEC on August 2, 2019)

Instrument of Amendment to the MDU Resources Group, Inc. 401(k) Retirement Plan, dated December 20, 2018 (MDU Resources Group Inc, Filed With SEC on August 2, 2019)

Instrument of Amendment to the MDU Resources Group, Inc. 401(k) Retirement Plan, dated September 6, 2018 (MDU Resources Group Inc, Filed With SEC on August 2, 2019)

Instrument of Amendment to the MDU Resources Group, Inc. 401(k) Retirement Plan, dated April 25, 2018 (MDU Resources Group Inc, Filed With SEC on August 2, 2019)

WEC Energy Group Non-Qualified Retirement Savings Plan, Amended and Restated Effective as of January 1, 2018 (Wec Energy Group Inc, Filed With SEC on February 26, 2019)

Amended and Restated NiSource Inc. Supplemental Executive Retirement Plan effective August 10, 2017 (NiSource Inc., Filed With SEC on November 1, 2018)

Amended and Restated Supplemental Executive Retirement Plan (UNITIL CORP, Filed With SEC on July 31, 2018)

Amendment, dated December 18, 2017, to the Consolidated Edison Retirement Plan (Consolidated Edison, Filed With SEC on February 15, 2018)

Instrument of Amendment to the MDU Resources Group, Inc. 401(k) Retirement Plan, dated August 30, 2017 (MDU Resources Group Inc, Filed With SEC on November 3, 2017)

Amendment to the Consolidated Edison Retirement Plan (Consolidated Edison, Filed With SEC on November 2, 2017)

INTEGRYS ENERGY GROUP, INC. PENSION RESTORATION AND SUPPLEMENTAL RETIREMENT PLAN As Amended and Restated Effective January 1, 2017 (Wec Energy Group Inc, Filed With SEC on August 4, 2017)

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Retirement Agreements in the Multi-Utilities Industry