Company: SCE-PL
Filing Date: 2025-03-13
Form Type: 424B5
Source: 0001193125-25-053812
Chunk: 50

Company: SOUTHERN CALIFORNIA EDISON Co
Filing Date: 2025-03-13
Form: 424B5
Chunk 50
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 not conflict with any law or the subordinated indenture or involve the indenture trustee in personal liability. The indenture trustee may take any other  
 action it deems proper that is not inconsistent with the direction of the holders.                                                                                                                                                                      |

Modification of Unsecured Indentures Without Consent of Holders.Without the consent of any holders of debt securities, we and the indenture trustees may enter into supplemental indentures to:

| • |     | evidence the succession of another entity to take our place and assume our covenants; |

| • |     | add to our covenants for the benefit of the holders of all or any series of the debt securities, or surrender any 
 right or power conferred upon us;                                                                                 |

| • |     | add any additional events of default for all or any series of the debt securities; |

| • |     | add to, change or eliminate any provisions of the applicable indenture, but those modifications will not apply to 
 debt securities of any series that was created before the modifications;                                          |

| • |     | establish the form or terms of debt securities of any series as permitted by the unsecured indentures; |

| • |     | evidence and provide for a successor or additional indenture trustee; |

| • |     | provide security for the debt securities of any series; |

| • |     | cure any ambiguity, defect or inconsistency or make any other changes that do not adversely affect the interests 
 of the holders of debt securities; or                                                                            |

| • |     | evidence any changes in the disqualification and eligibility requirements applicable to the indenture trustee                                                 
 under the senior indenture, as permitted by the senior indenture, or effect any change to qualify the senior indenture under the Trust Indenture Act of 1939. |

With Consent of Holders.We may enter into supplemental indentures with the indenture trustees to modify the unsecured indentures or the rights of holders of the debt securities, if we obtain the consent of the holders of at least a majority in principal amount of the debt securities affected by the modification. However, without the consent of all affected holders of debt securities, no supplemental indenture may:

| • |     | change the stated maturity of the principal or interest on any debt security, reduce the principal amount or 
 interest payable, reduce any premium payable upon redemption, reduce the amount of principal of              |

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| an original issue discount security payable upon its acceleration, change the currency in which any debt security is payable,