SOUTHERN COPPER CORPORATION

SOUTHERN COPPER CORPORATION_June 24, 2026

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(D) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported): June 26, 2026 (June 24, 2026)

SOUTHERN COPPER CORPORATION

(Exact name of registrant as specified in its charter)


Delaware	1-14066	13-3849074
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification Number)

1440 E. Missouri Ave., Suite 160, Phoenix, AZ 85014

(Address of principal executive offices, including zip code)

(602) 264-1375

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):


	☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

	☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

	☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

	☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class:	Trading Symbol	Name of each exchange on which registered:
Common stock, par value $0.01 per share	SCCO	New York Stock Exchange Lima Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01Other Events.

On June 24, 2026, Southern Peru Copper Corporation (“SPCC”), the Peruvian branch of Southern Copper Corporation issued a press release announcing that it raised US$1.25 billion for the development of the Tía María mining project through a bond offering in the New York market. A copy of this press release is attached hereto as Exhibit 99.1.

The information in this report and the exhibit attached hereto are being furnished and shall not be deemed as “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act.

ITEM 9.01Financial Statements and Exhibits

(d)Exhibits:

99.1Press release of Southern Peru Copper Corporation dated June 24, 2026.

104Cover Page Interactive Data File (embedded within the inline XBRL document)

EXHIBIT INDEX


Exhibit No.		Description

99.1		Press Release of Southern Peru Copper Corporation dated June 24, 2026.
104		Cover Page Interactive Data File (embedded within the inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


	SOUTHERN COPPER CORPORATION


	By:	/s/ Andres Carlos Ferrero
	Name:	Andres Carlos Ferrero
	Title:	General Counsel

Date: June 26, 2026

Exhibit 99.1

Lima, June 24, 2026

SOUTHERN PERU COPPER CORPORATION SECURES FINANCING FOR THE TIA MARIA PROJECT

Southern Peru Copper Corporation, Sucursal del Peru (“SPCC”), part of Grupo México, announced that it has secured financing for US$1.25 billion, primarily to develop the Tía María mining project. The funds were raised through a bond offering in the New York market. These securities will pay an annual interest rate of 5.35% until their maturity in 2036.

Tía María project will have an annual production capacity of 120,000 metric tons of refined copper. The project will employ state-of-the-art SX-EW (Solvent Extraction and Electrowinning) technology, which meets the highest international environmental standards. Tía María is expected to begin operations in the third quarter of 2027. To date, the project has generated 5,300 jobs, many of which have been filed by local workers.

During its first 20 years of operation, Tía María is expected to generate significant economic benefits for the Arequipa region. At current copper prices, the project is expected to generate approximately US$24.1 billion in exports and contribute US$6.2 billion in taxes and royalties. The project's total capital budget is US$1.8 billion, of which US$948 million has already been committed.

SPCC consistently works to promote the well-being of communities in the province of Islay and the Arequipa Region. As part of these efforts, SPCC implements successful social programs focused on education, healthcare, and productive development initiatives.

SPCC's social programs in Islay help reduce agricultural production costs and enhance productivity through the use of advanced technology. In addition, SPCC develops healthcare facilities, high-performance schools, research centers, and road infrastructure in the Arequipa Region through Peru’s “Works for Taxes” (Obras por Impuestos) mechanism.

SPCC is also advancing its Michiquillay project, which as a world-class copper deposit has significant potential to spur Peru’s development down the line. Located in Cajamarca, Michiquillay is expected to produce approximately 225,000 metric tons of copper per year, along with molybdenum, gold, and silver by-products, over an initial mine life of more than 25 years. The project’s investment requirement is estimated at approximately US$2.5 billion, and production is expected to begin in 2032.

In Peru, the openness of institutions to private investment, the strong support of local communities, and respect for the rule of law, provide certainty and support for SPCC’s ambitious investment program.