Company: SCE-PL
Filing Date: 2025-01-07
Form Type: 424B5
Source: 0001193125-25-002794
Chunk: 18

Company: SOUTHERN CALIFORNIA EDISON Co
Filing Date: 2025-01-07
Form: 424B5
Chunk 18
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, and
making or receiving payment in accordance with normal procedures for same-day funds settlement applicable to DTC. Clearstream participants and Euroclear system participants may not deliver instructions
directly to their respective U.S. depositaries.

Because of time-zone differences, credits of bonds received in Clearstream or the
Euroclear system as a result of a transaction with a DTC participant will be made during subsequent securities settlement processing and dated the business day following the DTC settlement date. Such credits or any transactions in such bonds settled
during such processing will be reported to the relevant Euroclear system participant or Clearstream participant on such business day. Cash received in Clearstream or the Euroclear system as a result of sales of the bonds by or through a Clearstream
participant or a Euroclear system participant to a DTC participant will be received with value on the DTC settlement date but will be available in the relevant Clearstream or the Euroclear system cash account only as of the business day following
settlement in DTC.

Although DTC, Clearstream and Euroclear have agreed to the foregoing procedures in order to facilitate transfers of
debt securities among participants of DTC, Clearstream and Euroclear, they are under no obligation to perform or continue to perform such procedures and such procedures may be discontinued at any time.

S-16

UNDERWRITING BofA Securities, Inc., MUFG Securities Americas Inc., and RBC Capital Markets, LLC (collectively, the “Representatives”) are acting as representatives of the underwriters named below and, together with BMO Capital Markets Corp., Mizuho Securities USA LLC, PNC Capital Markets LLC, Truist Securities, Inc. and Wells Fargo Securities, LLC, as joint book-running managers of the offering. Subject to the terms and conditions stated in the underwriting agreement dated the date of this prospectus supplement, each underwriter named below has severally, and not jointly, agreed to purchase, and we have agreed to sell to that underwriter, the principal amount of bonds set forth opposite the underwriter’s name.

| Underwriter                    |     | Principal Amount 
 of Series 2025A  
 Bonds to be      
 Purchased        |             |     | Principal Amount 
 of Series 2025B  
 Bonds to be      
 Purchased        |             |
|:-------------------------------|:----|:-----------------|------------:|:----|:-----------------|------------:|
| BofA Securities, Inc.          |     | $                |