CONSUMERS ENERGY CO Indenture Agreements

150th Supplemental Indenture dated as of August 4, 2023, between Consumers and The Bank of New York Mellon, as Trustee (Filed With SEC on August 4, 2023)

149th Supplemental Indenture dated as of May 30, 2023 between Consumers Energy and The Bank of New York Mellon (Filed With SEC on May 30, 2023)

148th Supplemental Indenture dated as of February 23, 2023, between Consumers and The Bank of New York Mellon, as Trustee (Filed With SEC on February 23, 2023)

147th Supplemental Indenture dated as of January 10, 2023, between Consumers and The Bank of New York Mellon, as Trustee (Filed With SEC on January 10, 2023)

146th Supplemental Indenture dated as of December 14, 2022 between Consumers and The Bank of New York Mellon, as Trustee (Filed With SEC on December 15, 2022)

145th Supplemental Indenture dated as of August 11, 2022 between Consumers and The Bank of New York Mellon, as Trustee (Filed With SEC on August 11, 2022)

144th Supplemental Indenture dated as of August 12, 2021 between Consumers and The Bank of New York Mellon, as Trustee (Filed With SEC on August 12, 2021)

143rd Supplemental Indenture dated as of December 14, 2020 between Consumers and The Bank of New York Mellon, as Trustee (Filed With SEC on December 14, 2020)

142nd Supplemental Indenture dated as of October 7, 2020 between Consumers and The Bank of New York Mellon, as Trustee (Filed With SEC on October 7, 2020)

141st Supplemental Indenture dated as of May 20, 2020 between Consumers and The Bank of New York Mellon, as Trustee (Filed With SEC on May 20, 2020)

140th Supplemental Indenture dated as of May 13, 2020 between Consumers and The Bank of New York Mellon, as Trustee (Filed With SEC on May 13, 2020)

139th Supplemental Indenture dated as of March 26, 2020 between Consumers and The Bank of New York Mellon, as Trustee (Filed With SEC on March 26, 2020)

137th Supplemental Indenture dated as of September 19, 2019 between Consumers and The Bank of New York Mellon, as Trustee (Filed With SEC on September 19, 2019)

136th Supplemental Indenture dated as of September 3, 2019 between Consumers and The Bank of New York Mellon, as Trustee (Filed With SEC on September 3, 2019)

135th Supplemental Indenture dated as of May 28, 2019 between Consumers and The Bank of New York Mellon, as Trustee (Filed With SEC on May 28, 2019)

134th Supplemental Indenture dated as of November 13, 2018 between Consumers and The Bank of New York Mellon, as Trustee (Filed With SEC on November 13, 2018)

133rd Supplemental Indenture dated as of October 1, 2018 between Consumers Energy and The Bank of New York Mellon (Filed With SEC on October 1, 2018)

132nd Supplemental Indenture dated as of June 5, 2018 between Consumers and The Bank of New York Mellon, as Trustee (Filed With SEC on June 5, 2018)

131st Supplemental Indenture dated as of May 14, 2018 between Consumers and The Bank of New York Mellon, as Trustee (Filed With SEC on May 14, 2018)

130th Supplemental Indenture dated as of November 15, 2017 between Consumers Energy and The Bank of New York Mellon (Filed With SEC on November 15, 2017)

129th Supplemental Indenture dated as of September 28, 2017 between Consumers Energy and The Bank of New York Mellon (Filed With SEC on September 28, 2017)

ONE HUNDRED TWENTY-EIGHTH SUPPLEMENTAL INDENTURE Providing among other things for FIRST MORTGAGE BONDS, $350,000,000 3.95% Series due 2047 Dated as of February 22, 2017 CONSUMERS... (Filed With SEC on February 22, 2017)

ONE HUNDRED TWENTY-SEVENTH SUPPLEMENTAL INDENTURE Providing among other things for FIRST MORTGAGE BONDS, $450,000,000 3.25% Series due 2046 Dated as of August 10, 2016 CONSUMERS... (Filed With SEC on August 10, 2016)

ONE HUNDRED TWENTY-SIXTH SUPPLEMENTAL INDENTURE Providing among other things for FIRST MORTGAGE BONDS, 2015-1 Collateral Series (Interest Bearing) Dated as of November 23, 2015... (Filed With SEC on November 25, 2015)

ONE HUNDRED TWENTY-FIFTH SUPPLEMENTAL INDENTURE Providing among other things for FIRST MORTGAGE BONDS, $250,000,000 4.10% Series due 2045 Dated as of November 6, 2015 CONSUMERS... (Filed With SEC on November 6, 2015)

ONE HUNDRED TWENTY-FOURTH SUPPLEMENTAL INDENTURE Providing among other things for FIRST MORTGAGE BONDS, $250,000,000 3.125% Series due 2024 $250,000,000 4.35% Series due 2064... (Filed With SEC on August 18, 2014)

ONE HUNDRED TWENTY-THIRD SUPPLEMENTAL INDENTURE Providing among other things for FIRST MORTGAGE BONDS, 2013-1 Collateral Series (Interest Bearing) Dated as ofDecember 20, 2013... (Filed With SEC on December 27, 2013)

ONE HUNDRED TWENTY-SECOND SUPPLEMENTAL INDENTURE Providing among otherthings for FIRST MORTGAGE BONDS, $325,000,000 3.375% Series due 2023 Dated as of August 9, 2013 CONSUMERS... (Filed With SEC on August 9, 2013)

ONE HUNDRED TWENTY-FIRST SUPPLEMENTAL INDENTURE Providing among otherthings for FIRST MORTGAGE BONDS, $425,000,000 3.95% Series due 2043 Dated as of May 17, 2013 CONSUMERS ENERGY... (Filed With SEC on May 17, 2013)

ONE HUNDRED TWENTIETH SUPPLEMENTAL INDENTURE Providing among otherthings for FIRST MORTGAGE BONDS, $51,500,000 3.19% First Mortgage Bonds Due 2024 $35,500,000 3.39% FirstMortgage... (Filed With SEC on December 20, 2012)

ONE HUNDRED NINETEENTH SUPPLEMENTAL INDENTURE Providing among other things for FIRST MORTGAGE BONDS, 2012-2 Collateral Series (Interest Bearing) and FIRST MORTGAGE BONDS, 2012-3... (Filed With SEC on October 25, 2012)

ONE HUNDRED EIGHTEENTH SUPPLEMENTAL INDENTURE Providing among otherthings for FIRST MORTGAGE BONDS, 2012-1 Collateral Series (Interest Bearing) Dated as ofJune 13, 2012 CONSUMERS... (Filed With SEC on June 19, 2012)

ONE HUNDRED SEVENTEENTH SUPPLEMENTAL INDENTURE Providing among otherthings for FIRST MORTGAGE BONDS, $375,000,000 2.85% Series due 2022 Dated as of May 8, 2012 CONSUMERS ENERGY... (Filed With SEC on May 8, 2012)

ONE HUNDRED FOURTEENTH SUPPLEMENTAL INDENTURE (Filed With SEC on April 6, 2011)

ONE HUNDRED THIRTEENTH SUPPLEMENTAL INDENTURE Providing among other things for FIRST MORTGAGE BONDS, $50,000,000 2.60% First Mortgage Bonds Due 2015 $100,000,000 3.21% First... (Filed With SEC on October 20, 2010)

ONE HUNDRED TWELFTH SUPPLEMENTAL INDENTURE Providing among other things for FIRST MORTGAGE BONDS, $250 million 5.30% First Mortgage Bonds Due 2022 $50 million 6.17% First Mortgage... (Filed With SEC on September 7, 2010)

One Hundred Ninth Supplemental Indenture dated as of September 11, 2008 between Consumers and The Bank of New York Mellon (Filed With SEC on September 16, 2008)

ONE HUNDRED SEVENTH SUPPLEMENTAL INDENTURE (Filed With SEC on May 5, 2008)

ONE HUNDRED EIGHTH SUPPLEMENTAL INDENTURE (Filed With SEC on March 14, 2008)

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CONSUMERS ENERGY CO Indenture Agreements