NOTE 11 — STOCKHOLDERS’EQUITY:

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Treasury Stock:

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Activity in treasury stock in the three-month periods ended March 31, 2025 and 2024 was as follows (in millions):

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Common Stock:

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Dividend paid in common stock:

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On February 27, 2025, the Company paid a dividend of 0.0073 shares per common share, which represented a reduction of 5,769,600 shares of common stock in treasury for a total of $143.2 million.

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On March 31, 2025 and on December 31, 2024, 88,413,181 and 94,185,981 shares of SCC’s common stock were in Treasury, respectively.

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Directors’ Stock Award Plan:

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The Company has established a Director´s Stock Award Plan (the “Plan”) for certain non-employee directors. Southern Copper has reserved 600,000 shares of common stock for the Plan. Under the Plan, participants are entitled to an award of 1,600 shares of common stock upon election to the Board of Directors and are eligible to receive 1,600 additional shares of common stock per year thereafter. Commencing with the second quarter of 2021, Directors receive quarterly awards of 400 shares, contingent upon attendance of each quarterly Board meeting. The fair value of the award is measured each year at the date of the grant. On May 27, 2022, the Company’s stockholders approved a five-year extension of the Plan until January 27, 2028. The award is not subject to vesting requirements.

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For the first quarter of 2025 and 2024, the stock-based compensation expense associated with the Plan totaled $0.3 million and $0.2 million, respectively.

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The activity of the Plan for the three-month periods ended March 31, 2025 and 2024 was as follows:

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Parent Company common shares:

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Total common shares of Grupo Mexico held by the treasury stood at 58,316,437 and 61,972,864 as of March 31, 2025 and December 31, 2024, respectively.

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Employee Stock Purchase Plan:

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2018 Plan: In November 2018, the Company offered a new stock purchase plan (the “New Employee Stock Purchase Plan”) to eligible employees through a trust that acquires series B shares of Grupo Mexico stock for sale to its employees, and employees of subsidiaries, and certain affiliated companies. The purchase price was established at 37.89 Mexican pesos (approximately $1.86) for the initial subscription, which expires in October 2026. Every two years employees will be able to acquire title to 50% of the shares paid in the previous two years. The employees will pay for shares purchased through monthly payroll deductions over the eight-year period of the plan. At the end of the eight-year period, the Company will grant the participant a bonus of 1 share for every 10 shares purchased by the employee. Any future subscription will be at the average market price at the date of acquisition or the grant date.

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If Grupo Mexico pays dividends on shares during the eight-year period, the participants will be entitled to receive the dividend in cash for all shares that have been fully purchased and paid as of the date that the dividend is paid. If the participant has only partially paid for shares, the entitled dividends will be used to reduce the remaining liability owed for purchased shares.

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In the case of voluntary or involuntary resignation/termination of the employee, the Company will pay to the employee the fair market sales price on the date of resignation of the fully paid shares, net of costs and taxes. When the fair market sales value of the shares is higher than the purchase price, the Company will apply a deduction over the amount to be paid to the employee based on a decreasing schedule specified in the plan.

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In case of retirement or death of the employee, the Company will render the buyer or his legal beneficiary, the fair market sales value as of the date of retirement or death of the shares effectively paid, net of costs and taxes.

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The stock based compensation expense for the three-month period ended March 31, 2025 and 2024 and the unrecognized compensation expense under this plan were as follows (in millions):

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The following table presents the stock award activity of this plan for the three-month period ended March 31, 2025 and 2024:

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Executive Stock Purchase Plan:

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Grupo Mexico also offers a stock purchase plan to certain members of its executive management; to executive management at its subsidiaries; and to certain affiliated companies. Under this plan, participants will receive cash incentive bonuses to purchase shares of Grupo Mexico, which are deposited in a trust.

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Non-controlling interest:

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The following table presents the non-controlling interest activity the three-month period ended March 31, 2025 and 2024 (in millions):

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