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Definitive Proxy Statement

Definitive Additional Materials

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    SEMPRA

    488 8TH AVENUE

    SAN DIEGO, CA 92101

   2026 Annual Shareholders Meeting

    Vote by May 11, 2026 at 11:59 PM ET if voting online

    before the meeting or by telephone.

    For shares held in the Sempra Savings Plan,

    Southern California Gas Company Retirement Savings Plan

    or San Diego Gas & Electric Company Savings Plan, vote by

       May 7, 2026 at 8:00 AM ET.

           V82921-P41321

This is an overview of the proposals being presented at the upcoming Annual Shareholders Meeting for Sempra. Please follow the instructions on the reverse side to vote on these important matters.

Board

Recommends

  1.    Election of the following 11 director nominees:

  1a.  Andrés Conesa

For

  1b.  Pablo A. Ferrero

For

  1c.  Jennifer M. Kirk

For

  1d.  Richard J. Mark

For

  1e.  Jeffrey W. Martin

For

  1f.    Michael N. Mears

For

  1g.  Kevin C. Sagara

For

  1h.  Jack T. Taylor

For

  1i.    Cynthia J. Warner

For

  1j.    Anya Weaving

For

  1k.  James C. Yardley

For

 2.  Ratification of appointment of independent registered public accounting firm

For

 3.  Advisory approval of our executive compensation

For

 4.  Shareholder proposal requesting an independent board chairman

Against

 5.  Consideration of any other matters that may properly come before the meeting and any adjournment or postponement of the meeting, on which the proxy holders may vote in their discretion

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