Company: SREA
Filing Date: 2025-08-27
Form Type: 424B2
Source: 0001193125-25-189685
Chunk: 55

Company: SEMPRA
Filing Date: 2025-08-27
Form: 424B2
Chunk 55
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 underwriting discount that we are to pay to the underwriters in connection with this offering (expressed as a percentage of the principal amount of the notes).

|          |     | Paid by Sempra |       |   |
| Per note |     |                | 1.000 | % |

It is expected that delivery of the notes will be made against payment therefor on or about the date specified in the last paragraph of the cover page of this prospectus supplement, which will be the third business day following the date of the pricing of the notes. Under Rule 15c6-1under the Securities Exchange Act of 1934, as amended, trades in the secondary market generally are required to settle in one business day, unless the parties to any such trade expressly agree otherwise. Accordingly, purchasers who wish to trade the notes before the first business day prior to the closing of this offering will be required, by virtue of the fact that the normal settlement S-36

date for that trade would occur prior to the closing date for the issuance of the notes, to specify alternative settlement arrangements to prevent a failed settlement, and should consult their
own advisers with respect to these matters.

In connection with the offering, the representatives, on behalf of the underwriters, may
purchase and sell notes in the open market. These transactions may include over-allotment, syndicate covering transactions and stabilizing transactions. Over-allotment involves syndicate sales of notes in excess of the principal amount of notes to
be purchased from us by the underwriters in the offering, which creates a syndicate short position. Syndicate covering transactions involve purchases of the notes in the open market after the distribution has been completed in order to cover
syndicate short positions. Stabilizing transactions consist of certain bids or purchases of notes made for the purpose of preventing or retarding a decline in the market prices of the notes while the offering is in progress.

The underwriters also may impose a penalty bid. Penalty bids permit the underwriters to reclaim a selling concession from a syndicate member
when the representatives, in covering syndicate short positions or making stabilizing purchases, repurchase notes originally sold by that syndicate member.

Any of these activities may have the effect of preventing or retarding a decline in the market prices of the notes. They may also cause the
market prices of the notes to be higher than the prices that otherwise would exist in the open market in the absence of these transactions. The underwriters may conduct these transactions in the over-the-counter