南方铜业美股招股说明书(2026-06-17版)

For the exclusive benefit of its Peruvian branch Southern Peru Copper Corporation, Sucursal del Perú U.S.$1,250,000,000 5.350% Notes due 2036 Southern Copper Corporation (including and acting exclusively for the benefit of its Peruvian branchSouthern Peru Copper Corporation, Sucursal del Perú, the “Issuer”) is offering U.S.$1,250,000,000 aggregateprincipal amount of its 5.350% notes due 2036 (the “notes”). The notes will bear interest at a rate of 5.350% peryear. The Issuer will pay interest on the notes semi-annually in arrears on June24 and December24 of each year, The notes will constitute the Issuer’s general unsecured obligations and the notes will rankpari passuwitheach other and will rankpari passuin right of payment with all of the Issuer’s other existing and future unsecuredand unsubordinated indebtedness. The notes will not be guaranteed by any of the Issuer’s subsidiaries and as a The Issuer will have the right at its option to redeem the outstanding notes in whole at any time or in partfrom time to time prior to March24, 2036 (three months prior to the maturity date of the notes) (the “Par Call Date”) at a redemption price equal to the greater of par and a “make-whole” amount described herein,plusaccrued and unpaid interest to the redemption date on the principal amount of the notes being redeemed on suchredemption date and additional amounts thereon, if any. The Issuer will have the right at its option to redeem thenotes, in whole at any time or in part from time to time on and after the Par Call Date at parplusaccrued andunpaid interest to the redemption date on the principal amount of the notes being redeemed on such redemption Investing in the notes involves risks, including those described in the “Risk Factors” section on pageS-8of this prospectus supplement and the section entitled “Risk Factors” beginning on page 16 of ourannual report on Form10-K for the year ended December31, 2025 as supplemented by the Risk Factorsincluded in Item1A of our Form10-Q filed with the SEC on April30, 2026, which are incorporated by Neither the Securities and Exchange Commission nor any state securities commission has approved ordisapproved of these securities or determined if this prospectus supplement or the accompanying prospectus istruthful or complete. Any representation to the contrary is a criminal offense. The Issuer is the sole obligor of the notes. The liability created by the notes will be registered on SPCC'sbooks and records, as beneficiary and payor thereof, following applicable accounting principles and tax laws,rules and regulations, respectively. The underwriters expect to deliver the notes to purchasers in book-entry form only through the facilities ofThe Depository Trust Company for the accounts of its direct and indirect participants, including ClearstreamBanking, société anonyme and Euroclear Bank S.A/N.V., on or about June 24, 2026. TABLE OF CONTENTS The Company has not authorized anyone to provide you with information different from that containedin this prospectus supplement and the accompanying prospectus. This prospectus supplement and theaccompanying prospectus may only be used where it is legal to sell these securities. The information contained TABLE OF CONTENTS This prospectus supplement and the accompanying prospectus are part of a registration statement that we filedwith the Securities and Exchange Commission using a shelf registration process. Under the shelf registrationprocess, we may offer from time to time senior or subordinated debt securities and common stock. In theaccompanying prospectus, we provide you with a general description of the securities we may offer from time totime under our shelf registration statement. In this prospectus supplement, we provide you with specific informationabout the notes that we are selling in this offering. Both this prospectus supplement and the accompanying We are responsible for the information contained and incorporated by reference in this prospectus supplementand in any free-writing prospectuses we prepare. To the best of our knowledge and belief the information containedin this prospectus supplement and the documents incorporated by reference herein is in accordance with the factsand does not omit anything likely to affect the import of such information. We have not authorized anyone to giveyou any other information, and we take no responsibility for any other information that others may give you. Neither In connection with this offering, underwriters may engage in transactions that stabilize, maintain or otherwiseaffect the price of the notes, stabilizing and short-covering transactions in the notes, and the imposition of a penaltybid during and after this offering of the notes. Such stabilization, if commenced, may be discontinued at any time. The notes are not intended to be offered, sold or otherwise made available to and should not be offered, sold orotherwise made available to any retail investor in the Euro