SOUTHERN COPPER CORP/

This proxy statement is furnished as part of the solicitation by the Board of Directors (the “Board of Directors” or “Board”) of Southern Copper Corporation (“SCC,” “us,” “our,” or the “Company”),7310 North 16th Street, Suite 135, Phoenix, AZ 85020, USA; Avenida Caminos del Inca No. 171, Chacarilla del Estanque, Santiago de Surco, C.P. 15038, Peru; and Edificio Parque Reforma, Campos Eliseos No. 400, 12 th Floor, Col. Lomas de Chapultepec, Delegacion Miguel Hidalgo, Mexico City, C.P. 11000 Mexico, of the proxies of all holders of SCC’s common stock (the “Common Stockholders” or “you”) to vote at the annual meeting to be held on May 24, 2024, and at any adjournment thereof. The annual meeting will be conducted exclusively by webcast. No physical meeting will be held. On or about April 12, 2024, we began mailing a Notice of Internet Availability of Proxy Materials (the “Notice”) to shareholders of record as of March 28, 2024, and we posted our proxy materials on the website www.edocumentview.com/SCCO.

Your vote matters. Regardless of whether you plan to attend the virtual annual meeting, please promptly submit your proxy and voting instructions online or sign, date and return a proxy card. Stockholders are encouraged to vote and submit proxies in advance of the meeting by internet or mail as early as possible to avoid processing delays. Your cooperation is appreciated.

As more fully described in the Notice, shareholders may choose to access our proxy materials at www.edocumentview.com/SCCO or may request a printed set of our proxy materials on or before May 13, 2024. In addition, the Notice and website provide information regarding how you may request to receive proxy materials on an ongoing basis, in print form by mail, or electronically by email. Those who previously requested printed proxy materials or electronic materials on an ongoing basis will receive those materials as requested.

You are entitled to participate in the annual meeting only if you were a stockholder of the Company as of the close of business on March 28, 2024, the record date of the annual meeting, or if you hold a valid proxy for the annual meeting. You will be able to attend the annual meeting by webcast, vote your shares online and submit your questions during the meeting by visiting meetnow.global/MCA7CFR. To participate in the annual meeting, you will need to review the information included on the Notice, on your proxy card or on the instructions that accompanied your proxy materials. If you hold your shares through an intermediary, such as a bank or broker, you must register in advance using the instructions below. The online meeting will begin promptly at 9:00 A.M. Mexico City time. We encourage you to access the meeting prior to the start time to leave ample time to check in. Please follow the registration instructions as outlined below.

If you are a registered shareholder (i.e. you hold your shares through our transfer agent, Computershare), you do not need to register to attend the virtual annual meeting. Please follow the instructions on the Notice or proxy card that you receive. You must register in advance to attend the virtual annual meeting if you hold your shares through an intermediary, such as a bank or broker. To register electronically, you must submit a request for registration by email labeled “Legal Proxy” and proof of your proxy power (legal proxy) reflecting your SCC holdings along with your name and email address to legalproxy@computershare.com. Requests for registration must be labeled as “Legal Proxy” and be received on or before May 20, 2024 by 5:00 P.M., Eastern Time. An email confirming your registration will follow. Requests for registration can also be made by mail and should be directed to our transfer agent at: Computershare, Attention: Southern Copper Corporation Legal Proxy; P.O. Box 43001, Providence, RI 02940-3001. Please forward the email containing your legal proxy from your broker or attach a PDF image of your legal proxy.

Any proxy in the enclosed form given pursuant to this solicitation and received in time for the annual meeting will be voted with respect to all shares represented by it and in accordance with the instructions, if any, provided in such proxy. If we receive a signed proxy with no voting instructions, such shares will be voted for the proposal to elect directors, for the proposal to ratify the selection by the Audit Committee of Galaz, Yamazaki, Ruiz Urquiza S.C., a member firm of Deloitte Touche Tohmatsu Limited (“DTT”), as our independent accountants for the calendar year 2024, and for the approval of our executive compensation as described in this proxy statement. Any proxy may be revoked at any time prior to the exercise thereof by sending notice in writing to our Secretary or by written ballot voted at the virtual meeting or by delivery of a proxy card dated on a later date. If your shares are held in street name, you must contact your broker to revoke your proxy.

Our outstanding shares consist of common stock, par value $0.01 per share (the “Common Stock”). At the close of business on March 28, 2024, the record date for the annual meeting, we had 773,113,269 shares of Common Stock outstanding and entitled to vote at our annual meeting.

Unless stated otherwise, references herein to “dollars” or “$” are to U.S. dollars; references to “S/” are to Peruvian Soles; and references to “peso”, “pesos”, or “Ps.” are to Mexican pesos.