SOUTHERN CALIFORNIA EDISON CO Indenture Agreements

One Hundred Fifty-Fourth Supplemental Indenture dated as of May 18, 2023 (Filed With SEC on May 22, 2023)

One Hundred Fifty-Third Supplemental Indenture dated as of February 28, 2023 (Filed With SEC on March 2, 2023)

One Hundred Fifty-Second Supplemental Indenture dated as of November 4, 2022 (Filed With SEC on November 8, 2022)

One Hundred Fifty-First Supplemental Indenture dated as of May 19, 2022 (Filed With SEC on May 23, 2022)

One Hundred Fiftieth Supplemental Indenture dated as of January 11, 2022 (Filed With SEC on January 13, 2022)

One Hundred Forty-Ninth Supplemental Indenture dated as of December 2, 2021 (Filed With SEC on December 3, 2021)

One Hundred Forty-Eighth Supplemental Indenture dated as of August 6, 2021 (Filed With SEC on August 10, 2021)

One Hundred Forty-Seventh Supplemental Indenture dated as of June 10, 2021 (Filed With SEC on June 14, 2021)

One Hundred Forty-Sixth Supplemental Indenture dated as of March 29, 2021 (Filed With SEC on April 1, 2021)

One Hundred Forty-Fifth Supplemental Indenture dated as of January 6, 2021 (Filed With SEC on January 8, 2021)

One Hundred Forty-Fourth Supplemental Indenture dated as of December 2, 2020 (Filed With SEC on December 4, 2020)

One Hundred Forty-Third Supplemental Indenture dated as of September 29, 2020 (Filed With SEC on October 1, 2020)

One Hundred Forty-Second Supplemental Indenture dated as of March 5, 2020 (Filed With SEC on March 9, 2020)

One Hundred Forty-First Supplemental Indenture dated as of January 7, 2020 (Filed With SEC on January 9, 2020)

One Hundred Fortieth Supplemental Indenture dated as of August 2, 2019 (Filed With SEC on August 6, 2019)

One Hundred Thirty-Ninth Supplemental Indenture dated as of March 13, 2019 (Filed With SEC on March 15, 2019)

One Hundred Thirty-Eighth Supplemental Indenture dated as of July 31, 2018 (Filed With SEC on August 2, 2018)

One Hundred Thirty-Seventh Supplemental Indenture dated as of May 31, 2018 (Filed With SEC on June 4, 2018)

One Hundred Thirty-Sixth Supplemental Indenture dated as of March 1, 2018 (Filed With SEC on March 5, 2018)

ONE HUNDRED THIRTY-FIFTH SUPPLEMENTAL INDENTURE Southern California Edison Company to The Bank of New York Mellon Trust Company, N.A. and D. G. Donovan, Trustees DATED AS OF MARCH... (Filed With SEC on March 24, 2017)

ONE HUNDRED THIRTY-FOURTH SUPPLEMENTAL INDENTURE Southern California Edison Company to The Bank of New York Mellon Trust Company, N.A. and D. G. Donovan, Trustees DATED AS OF... (Filed With SEC on January 15, 2015)

ONE HUNDRED THIRTY-THIRD SUPPLEMENTAL INDENTURE ___________________________________ Southern California Edison Company to The Bank of New York Mellon Trust Company, N.A. and D. G.... (Filed With SEC on November 6, 2014)

ONE HUNDRED THIRTY-SECOND SUPPLEMENTAL INDENTURE ________________________________ Southern California Edison Company to The Bank of New York Mellon Trust Company, N.A. and D. G.... (Filed With SEC on May 8, 2014)

ONE HUNDRED THIRTY-FIRST SUPPLEMENTAL INDENTURE _____________________________________ Southern California Edison Company to The Bank of New York Mellon Trust Company, N.A. and D.... (Filed With SEC on January 24, 2014)

ONE HUNDRED THIRTIETH SUPPLEMENTAL INDENTURE ____________________________________ Southern California Edison Company to The Bank of New York Mellon Trust Company, N.A. and D. G.... (Filed With SEC on October 1, 2013)

ONE HUNDRED TWENTY-NINTH SUPPLEMENTAL INDENTURE _____________________________ Southern California Edison Company to The Bank of New York Mellon Trust Company, N.A. and D. G.... (Filed With SEC on March 6, 2013)

ONE HUNDRED TWENTY-EIGHTH SUPPLEMENTAL INDENTURE Southern California Edison Company to The Bank of New York Mellon Trust Company, N.A. and D. G. Donovan, Trustees DATED AS OF... (Filed With SEC on March 12, 2012)

ONE HUNDRED TWENTY-SEVENTH SUPPLEMENTAL INDENTURE Southern California Edison Company to The Bank of New York Mellon Trust Company, N.A. and D. G. Donovan, Trustees DATED AS OF... (Filed With SEC on November 21, 2011)

ONE HUNDRED TWENTY-SIXTH SUPPLEMENTAL INDENTURE Southern California Edison Company to The Bank of New York Mellon Trust Company, N.A. and D. G. Donovan, Trustees DATED AS OF... (Filed With SEC on October 11, 2011)

ONE HUNDRED TWENTY-THIRD SUPPLEMENTAL INDENTURE Southern California Edison Company to The Bank of New York Mellon Trust Company, N.A. and D. G. Donovan, Trustees DATED AS OF MAY... (Filed With SEC on May 16, 2011)