Southern Copper — Jul 21, 2026 release

● Dividends: On July 16, 2026, the Board of Directors authorized a quarterly cash dividend of $1.10 per share of common stock and a stock dividend of 0.0120 shares of common stock per share of common stock, payable on August 27, 2026, to shareholders of record at the close of business on August 11, 2026. Considering the cash dividend and the equivalent value of the stock dividend, calculated based on a share price of $177.32, the total estimated dividend amounts to $3.23 per share. In lieu of fractional shares, cash will be distributed to each shareholder who would otherwise have been entitled to receive a fractional share, based on a share price of $177.32, which is the average of the high and low share price on July 16, 2025. Mr. German Larrea, Chairman of the Board, commenting on the Company´s progress and current circumstances, said: "As Peru is approaching another executive power transition, we are encouraged by the initial statements made by President-elect Ms. Keiko Fujimori. Accordingly, SCC reiterates its commitment to work with the incoming administration to promote economic growth and social development in Peru through the advancement of our Peruvian projects Tía María, Los Chancas, and Michiquillay, which represent a combined investment of approximately $10.3 billion. SCC delivered another exceptional quarter, registering record-breaking results in sales, adjusted EBITDA, and net income. These outstanding achievements are driven by operating excellence and reflect our commitment to creating long-term value for our stakeholders in a context marked by sustained demand for copper and the other minerals we produce. As part of the development of the