Page 1

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 □ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended : December 31 , 2020 OR For the transition period from Commission File Number : 1-14066 SOUTHERN COPPER GRUPO MEXICO SOUTHERN COPPER CORPORATION ( Exact name of registrant as specified in its charter ) Delaware ( State or other jurisdiction of incorporation or organization ) 1440 East Missouri Avenue Suite 160 Phoenix , AZ ( Address of principal executive offices ) Title of each class : Common stock , par value $ 0.01 per share Securities registered pursuant to Section 12 ( b ) of the Act : Part III : Part IV : to Registrant's telephone number , including area code : ( 602 ) 264-1375 Trading Symbol SCCO 13-3849074 ( I.R.S. Employer Identification No. ) 85014 ( Zip code ) Accelerated filer Securities registered pursuant to Section 12 ( g ) of the Act : None Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes No Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Yes No Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes No Name of each exchange on which registered : New York Stock Exchange Lima Stock Exchange Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( § 232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes > No Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , smaller reporting company , or an emerging growth company . See definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . Large accelerated filer = > Non - accelerated filer Smaller reporting company 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 . Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C. 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . Yes No Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Act ) . Yes No At February 24 , 2021 , there were of record 773,073,269 shares of common stock , par value $ 0.01 per share , outstanding . The aggregate market value of the shares of common stock ( based upon the closing price at June 30 , 2020 as reported on the New York Stock Exchange - Composite Transactions ) of Southern Copper Corporation held by non - affiliates was approximately $ 3,411.6 million . PORTIONS OF THE FOLLOWING DOCUMENTS ARE INCORPORATED BY REFERENCE : Proxy statement for 2021 Annual Meeting of Stockholders Exhibit Index is on Page 171 through 173