The following discussion provides information that management believes is relevant to an assessment and understanding of the condensed consolidated financial condition and results of operations of Southern Copper Corporation and its subsidiaries (collectively, "SCC", "the Company", "our", and "we"). This item should be read in conjunction with our interim unaudited Condensed Consolidated Financial Statements and the notes thereto included in this quarterly report. Additionally, the following discussion and analysis should be read in conjunction with the Management Discussion and Analysis of Financial Condition and Results of Operations and the Consolidated Financial Statements included in Part II of our annual report on Form 10-K for the year ended December 31, 2022.

EXECUTIVE OVERVIEW

Business: Our business is primarily the production and sale of copper. In the process of producing copper, a number of valuable metallurgical by-products are recovered, which we also produce and sell. Market forces outside of our control largely determine the sale prices for our products. Our management, therefore, focuses on value creation through copper production, cost control, production enhancement and maintaining a prudent capital structure to remain profitable. We endeavor to achieve these goals through capital spending programs, exploration efforts and cost reduction programs. Our aim is to remain profitable during periods of low copper prices and to maximize financial performance in periods of high copper prices.

We are one of the world's largest copper mining companies in terms of production and sales and our principal operations are in Peru and Mexico. We also have exploration programs in Chile, Argentina and Ecuador. In addition to copper, we produce significant amounts of other metals, either as a by-product of the copper process or through a number of dedicated mining facilities in Mexico.

Outlook: Various key factors will affect our outcome. These include, but are not limited to, the following:

Sales structure: In the first quarter of 2023, approximately 76.9% of our ? revenue came from the sale of copper; 10.8% from molybdenum; 4.1% from silver;

3.3% from zinc; and 4.9% from various other products, including gold, sulfuric

acid, and other materials.

Copper: In the first quarter of 2023, the LME copper price decreased from an

average of $4.53 per pound in the first quarter of 2022 to $4.05 (-10.6%), ? reflecting concerns about a possible recession in the U.S. and Europe,

partially offset by the good news on China´s economy, which is growing at a

higher pace than expected.

Current prices for copper are at around $4.00 per pound, reflecting a positive outlook for this market, due to the following factors:

? A reduction in global inflation, which may slow down or even stop the interest

rates hike cycle led by the FED and the ECB.

? The mentioned bouncing back of the Chinese economy with GDP growth of 4.5%.

Uncertainty regarding future production growth in Chile and Peru, which

? together represent about 40% of the global supply. Chile recently reported a

copper production decline of 4% for March of this year.

The most relevant market intelligence houses for the copper market are

currently expecting a market in balance or a small deficit of about 100,000

? tons for 2023. This assumes a growth in demand of about 2.0-2.5% this year, but

a lower than expected supply growth estimated at about 1.5-2.0% due to the

first quarter stoppages in South America.

? Low copper inventories, which stood at 411,000 tons as of March 31, 2023. These

are one of the lowest since 2005.

It is important to emphasize that copper plays a leading role in the global shift to clean energy, which correlates positively with our assertion that the underlying demand for copper will be strong in the long-term. In this scenario, we believe the current cycle of low prices should be short-lived.



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Molybdenum: Accounted for 10.8% of our sales in the first quarter of 2023 and ? is currently our most important by-product. Molybdenum prices averaged $32.04

per pound in the first quarter of 2023, compared to $18.99 in the same period

of 2022, reflecting an increase of 68.7%.

Molybdenum is mainly used in the production of special alloys for stainless steel that require significant hardness and corrosion and heat resistance. New uses for this metal are associated with lubricants, sulfur filtering of heavy oils and shale gas production.

Silver: Represented 4.1% of our sales in the first quarter of 2023. We believe ? that the prices for silver will be supported by intensive level of industrial

use.

Zinc: Represented 3.3% of our sales in the first quarter of 2023, with an ? average price of $1.42 per pound in the quarter, down 16.5% from the first

quarter of 2022. Zinc is currently our third by-product.

Production: For 2023, we expect production to reach approximately 939,400

tonnes of copper, which represents an increase of 5% compared to our 2022 ? production. This growth will unfold as we get Peruvian production back on track

which coupled with new production in our Mexican operations through our Pilares

and Buenavista Zinc Concentrator projects.

We also expect to produce 23,400 tonnes of molybdenum, which represents a decrease of 10.8% over our 2022 production level. In 2023, we expect to produce 20.3 million ounces of silver, an increase of 9.1% compared to 2022 production level. Additionally, we expect to produce 116,300 tonnes of zinc from our mines. which represents an increase of 93.8% over our 2022 production level. This growth will be driven by the production start-up of the Buenavista Zinc operations (+51,600 tonnes) and by the recovery of the IMMSA mines production (+6,200 tonnes), where better ore grade areas have been identified. For 2024 and on we expect to produce over 200,000 tonnes of zinc per year.

Capital Investments: In the first quarter of 2023, we spent $238.1 million on

capital investments; this represented 29.3% of net income and an increase of ? 16.0% compared to the amount registered for the same period in 2022. We

continue to advance our projects, including the Buenavista Zinc, El Pilar and

Pilares projects, which have registered good progress.

CYBERSECURITY

In the first quarter of 2023, we have had no material cybersecurity incidents. This is due to the Information Security Strategy that we have implemented and the commitment of our entire organization to consolidate a living and effective security culture.

Our focus on information security continues to be a strategic priority, our security policy focuses on continuously identifying and managing risks through standard frameworks and best practices. In addition to the training and awareness that we extend to our employees, we constantly monitor the effectiveness of our controls.

The Board of Directors has been proactive in its approach to cybersecurity, seeking to ensure that our organization remains secure and resilient to cyber threats, we have significantly improved our security posture and continue to moving forward with our information security strategy.

We know that, in today's environment, cyber threats are becoming more sophisticated and rapidly evolving risk management is critical to long-term business success. We remain alert to emerging challenges and with active investment processes to evolve our capabilities, improve our processes and promote the development of a safety culture in our organization.



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KEY MATTERS

Below, we discuss several matters that we believe are important to understand the results of our operations and financial condition. These matters include, (i) our earnings, (ii) our production, (iii) our "operating cash costs" as a measure of our performance, (iv) metal prices, (v) business segments, (vi) the effect of inflation and other local currency issues, and (vii) our capital investment and exploration program.

Earnings: The table below highlights key financial and operational data of our Company for the three months ended March 31, 2023 and 2022 (in millions, except copper price, percentages and per share amounts):



                                             Three months ended March 31,
                                    2023         2022       Variance     % Change
Copper price LME                       4.05         4.53       (0.48)      (10.6) %
Pounds of copper sold                 504.3        458.4         45.9        10.0 %
Net sales                         $ 2,793.9    $ 2,763.8    $    30.1         1.1 %
Operating income                  $ 1,353.7    $ 1,470.1    $ (116.4)       (7.9) %

Net income attributable to SCC $ 813.2 $ 784.7 $ 28.5 3.6 % Earnings per share

$    1.05    $    1.02    $    0.03         2.9 %
Dividends per share               $    1.00    $    1.00    $       -           - %


Net sales in the first quarter of 2023 were 1.1% higher than in the same period of 2022. This increase was driven by an increase in sales volumes of copper (+10.0%), silver (+15.5%) and zinc (+6.4%) and by an uptick in molybdenum (+68.7%) prices. This effect was offset by lower sales volumes of molybdenum (-7.9%) and by a drop in prices of copper (-10.6% - LME), silver (-6.3%) and zinc (-16.5%).

Net income attributable to SCC in the first quarter of 2023 was 3.6% higher than in the same period of 2022. This increase was mainly attributable to the higher sales volumes of copper, silver and zinc; this effect was slightly offset by a drop in average prices for metals with the exception of molybdenum, as well as by a decrease in the sales volumes of molybdenum.

Production: The table below highlights our mine production data for the three months ended March 31, 2023 and 2022:



                                      Three months ended March 31,
                                  2023     2022     Variance    % Change

Copper (in million pounds) 492.2 472.8 19.4 4.1 % Molybdenum (in million pounds) 14.2 15.6 (1.4) (8.8) % Silver (in million ounces) 4.4 4.3 0.1 3.1 % Zinc (in million pounds)

           33.2     32.5         0.8         2.4 %


The table below highlights our mine production data for the three months ended March 31, 2023 and 2022:



                                 Three Months Ended March 31,
Copper (in million pounds):  2023     2022     Variance    % Change
Toquepala                    113.1    112.5         0.6         0.6 %
Cuajone                       80.0     53.8        26.2        48.5 %
La Caridad                    57.6     64.5       (6.9)      (10.8) %
Buenavista                   236.9    237.7       (0.8)       (0.3) %
IMMSA                          4.6      4.3         0.3         7.5 %
Total mined copper           492.2    472.8        19.4         4.1 %

First quarter: Mined copper production in the first quarter of 2023 increased 4.1% to 492.2 million pounds compared to 472.8 million pounds in the first quarter of 2022. This was mainly attributable to the fact that production at our Cuajone mine was up 48.5% YoY. This result was driven by higher ore grades and a return to full operating capacity this year. Production at our Toquepala mine and IMMSA operations increased 0.6% and 7.5% respectively with regard to the



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figures reported in the first quarter of 2022, driven by higher ore grades and recoveries. This was slightly offset by a drop in production at our Buenavista (-0.3%) and La Caridad (-10.8%) mines due to lower ore grades and recoveries.

Molybdenum production fell 8.8% in the first quarter of 2023 compared to the levels registered in the first quarter of 2022. This was attributable to a drop in production at our Toquepala mine (-45.6%) which was mainly driven by a reduction in ore grades. This effect was partially offset by an increase in production at our Cuajone (+66.7%), La Caridad (+5.2%) and Buenavista (+0.1%) mines due to higher ore grades and the fact that production level at Cuajone mine normalized after the stoppage ceased.

Silver mine production increased 3.1% in the first quarter of 2023 compared with the same period of 2022. This was mainly attributable to a higher production at our Cuajone (+44.3%) and Toquepala (+9.3%) mines. This was offset by lower production at our La Caridad (-10.0%), Buenavista (-2.1%) and IMMSA (-1.5%) mines.

Zinc production increased 2.4% in the first quarter of 2023 compared to the same period in 2022. This result was mainly attributable to an uptick in mineral production at the San Martin and Santa Barbara units, which was partially offset by a decrease in production at the Charcas mine.

Operating Cash Costs: An overall benchmark that we use, which is a common industry metric to measure performance is operating cash costs per pound of copper produced. Operating cash cost is a non-GAAP measure that does not have a standardized meaning and may not be comparable to similarly titled measures provided by other companies. This non-GAAP information should not be considered in isolation or as substitute for measures of performance determined in accordance with GAAP. A reconciliation of our operating cash cost per pound of copper produced to the cost of sales (exclusive of depreciation, amortization and depletion) as presented in the consolidated statement of earnings is presented under the subheading, "Non-GAAP Information Reconciliation" on page 51. We disclose operating cash cost per pound of copper produced, both before and net of by-product revenues.

We define operating cash cost per pound of copper produced before by-product revenues as cost of sales (exclusive of depreciation, amortization and depletion), plus selling, general and administrative charges, treatment and refining charges net of sales premiums; less the cost of purchased concentrates, workers' participation and other miscellaneous charges, including royalty charges, and the change in inventory levels; divided by total pounds of copper produced by our own mines.

In our calculation of operating cash cost per pound of copper produced, we exclude depreciation, amortization and depletion, which are considered non-cash expenses. Exploration is considered a discretionary expenditure and is also excluded. Workers' participation provisions are determined on the basis of pre-tax earnings and are also excluded. Additional exclusions from operating cash costs are items of a non-recurring nature and the mining royalty charge as it is based on various calculations of taxable income, depending on which jurisdiction, Peru or Mexico, is imposing the charge. We believe these adjustments allow our management and stakeholders to more fully visualize our controllable cash cost, which we believe is one of the lowest of all copper-producing companies of similar size.

We define operating cash cost per pound of copper produced net of by-product revenues as operating cash cost per pound of copper produced, as defined in the previous paragraph, less by-product revenues and net revenue (loss) on sale of metal purchased from third parties.

In our calculation of operating cash cost per pound of copper produced, net of by-product revenues, we credit against our costs the revenues from the sale of all our by-products, including, molybdenum, zinc, silver, gold, etc. and the net revenue (loss) on sale of metals purchased from third parties. We disclose this measure including the by-product revenues in this way because we consider our principal business to be the production and sale of copper. As part of our copper production process, much of our by-products are recovered. These by-products, as well as the processing of copper purchased from third parties, are a supplemental part of our production process and their sales value contribute to covering part of our incurred fixed costs. We believe that our Company is viewed by the investment community as a copper company, and is valued, in large part, by the investment community's view of the copper market and our ability to produce copper at a reasonable cost.



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We believe that both of these measures are useful tools for our management and our stakeholders. Our cash costs before by-product revenues allow us to monitor our cost structure and address areas of concern within operating management. The measure operating cash cost per pound of copper produced net of by-product revenues is a common measure used in the copper industry and is a useful management tool that allows us to track our performance and better allocate our resources. This measure is also used in our investment project evaluation process to determine a project's potential contribution to our operations, its competitiveness and its relative strength in different price scenarios. The expected contribution of by-products is generally a significant factor used by the copper industry to determine whether to move forward or not in the development of a new mining project. As the price of our by-product commodities can have significant fluctuations from period to period, the value of its contribution to our costs can be volatile.

Our operating cash cost per pound of copper produced, before and net of by-product revenues, is presented in the table below for the three months ended March 31, 2023 and 2022:



              Operating cash cost per pound of copper produced (1)

              (In millions, except cost per pound and percentages)

                                                Three Months Ended March 31,
                                        2023         2022        Variance     % Change
Total operating cash cost before
by­product revenues                   $   987.7    $   837.7    $    150.0        17.9 %
Total by­product revenues             $ (630.6)    $ (583.5)    $   (47.1)         8.1 %
Total operating cash cost net of
by­product revenues                   $   357.1    $   254.2    $    102.9        40.5 %

Total pounds of copper produced(2) 473.0 457.8 15.2 3.3 % Operating cash cost per pound before by­product revenues

$    2.09    $    1.83    $     0.26        14.2 %

By­products per pound revenues $ (1.33) $ (1.28) $ (0.05) 3.9 % Operating cash cost per pound net of by­product revenues

$    0.76    $    0.55    $     0.21        38.2 %


(1) These are non-GAAP measures. Please see page 51 for reconciliation to GAAP

measure.

(2) Net of metallurgical losses.

As seen in the table above, our per pound cash cost before by-product revenues in the first quarter of 2023 was 14.2% higher than in the same period of 2022. This increase was mainly attributable to an increase in production costs and slightly offset by the unit cost effect generated by a 3.3% increase in pounds of copper produced. Our cash cost per pound net of by-product revenue for the first quarter of 2023 increased 38.2% when compared to the same period of 2022. This was mainly driven by an uptick in the production cost, which was partially offset by an increase in by-product revenue credits due to higher sales volume in most of our by-products.

Metal Prices: The profitability of our operations is dependent on, and our financial performance is significantly affected by, the international market prices for the products we produce, and for copper, molybdenum, zinc and silver in particular.

We are subject to market risks arising from the volatility of copper and other metal prices. For the remaining nine months of 2023, assuming that expected metal production and sales are achieved, tax rates remain unchanged and no effects are generated by potential hedging programs, metal price sensitivity factors would indicate the following change in estimated net income attributable to SCC resulting from metal price changes:



                                         Copper      Molybdenum       Zinc         Silver
Change in metal prices (per pound
except silver-per ounce)               $     0.10    $      1.00    $    0.10    $     1.00
Change in net earnings (in
millions)                              $     93.9    $      22.5    $    18.2    $      9.5

Business Segments: We view our Company as having three reportable segments and manage it on the basis of these segments. These segments are (1) our Peruvian operations, (2) our Mexican open-pit operations and (3) our Mexican underground operations, known as our IMMSA unit. Our Peruvian operations include the Toquepala and Cuajone mine complexes and the smelting and refining plants, industrial railroad and port facilities that service both mines. The



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Peruvian operations produce copper, with significant by-product production of molybdenum, silver and other material. Our Mexican open-pit operations include La Caridad and Buenavista mine complexes, the smelting and refining plants and support facilities, which service both mines. The Mexican open pit operations produce copper, with significant by-product production of molybdenum, silver and other material. Our IMMSA unit includes five underground mines that produce zinc, lead, copper, silver and gold, and several industrial processing facilities for zinc, copper and silver.

Segment information is included in our review of "Results of Operations" in this item and also in Note 14 "Segment and Related Information" of our condensed consolidated financial statements.

Inflation and Exchange Rate Effect of the Peruvian Sol and the Mexican Peso: Our functional currency is the U.S. dollar and our revenues are primarily denominated in U.S. dollars. Significant portions of our operating costs are denominated in Peruvian sol and Mexican pesos. Accordingly, when inflation and currency devaluation/appreciation of the Peruvian currency and Mexican currency occur, our operating results can be affected. In recent years, we believe such changes have not had a material effect on our results and financial position. Please see Item 3. "Quantitative and Qualitative Disclosures about Market Risk" for more detailed information.

Capital Investment Programs: We made capital investments of $238.1 million in the three months ended March 31, 2023, compared to $205.2 million in the same period of 2022. In general, the capital investments and investment projects described below are intended to increase production, decrease costs or address social and environmental commitments.

Set forth below are descriptions of some of our current expected capital investment programs. We expect to meet the cash requirements for these projects by utilizing cash on hand; internally generated funds and additional external financing. All capital spending plans will continue to be reviewed and adjusted to respond to changes in the economy and market conditions.

Projects in Mexico:

Buenavista Zinc - Sonora: This project is located within the Buenavista deposit, where a new concentrator is being built. This facility has a production capacity of 100,000 tonnes of zinc and 20,000 tonnes of copper per year. We have completed the engineering study and the project has all the necessary permits. When operating, this facility will double the Company's zinc production capacity and will provide more than 2,000 operational jobs.

Project update: the capital budget of the project is $416 million, most of which has already been invested. We expect to initiate operations in the second half of 2023.

Pilares - Sonora: Located six kilometers from La Caridad, this project consists of an open-pit mine operation with an annual production capacity of 35,000 tonnes of copper in concentrate. This project will significantly improve the overall mineral ore grade (considering the 0.78% expected from Pilares with 0.29% from La Caridad).

Project update: The budget for Pilares is $176 million, of which $114 million has been invested. Pilares is currently operating and delivering copper mineral oxides to the SX-EW facilities of the Caridad operation. We expect to produce mineral for the Caridad concentrator at full capacity in the second quarter of 2023.

El Pilar - Sonora: This low-capital intensity copper greenfield project is strategically located in Sonora, Mexico,

approximately 45 kilometers from our Buenavista mine. Its copper oxide mineralization contains estimated proven and

probable reserves of 317 million tonnes of ore with an average copper grade of 0.249%. We anticipate that El Pilar will

operate as a conventional open-pit mine with an annual production capacity of 36,000 tonnes of copper cathodes. This

operation will use highly cost efficient and environmentally friendly SX-EW technology. The budget for El Pilar is $310

million.

Project update: The results from experimental pads in the leaching process have confirmed adequate levels of copper recovery. The basic engineering study is finished and the Company continues developing the project and engage in onsite environmental activities. Detailed engineering is on-going at the SX-EW plant. We expect production to begin in 2025 and mine life is estimated at 13 years.



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Lime plant - Sonora: As part of our cost improvement projects, we built a new lime plant with a production capacity of 600 metric tonnes per day, which will be the largest lime plant of Mexico. This facility will allow us to reduce to approximately 50% our current lime cost at our Mexican operations. The total budget for the plant is $65.5 million, of which we have invested $63.8 million as of March 31, 2023. The furnace of the plant started operations in the second quarter of 2022, complying with the performance tests.

Projects in Peru:

Quebrada Honda dam expansion - Tacna: This project aims to enlarge the main and lateral dams in Quebrada Honda and

includes the relocation and repowered of some facilities due to dam growth and implementation of other facilities for water recovery, among other factors. As of March 31, 2023, the drainage works and removal of Eolic material for the main and lateral dam had been completed; complementary operational works are underway and expected to finish in the second quarter 2023. This project has a total budget of $165.0 million, of which we have invested $148.3 million as of March 31, 2023.

Tia Maria - Arequipa: This greenfield project, located in Arequipa, Peru, will use state of the art SX-EW technology with the highest international environmental standards to produce 120,000 tonnes of SX- EW copper cathodes per year. The estimated capital budget for the project is $1.4 billion.

The Company has been consistently working to promote the welfare of the Islay province population. As part of these efforts, we have implemented successful social programs in education, healthcare and productive development to improve the quality-of-life in the region. We have also promoted agricultural and livestock activities in the Tambo Valley and supported growth in manufacturing, fishing and tourism in Islay.

We reiterate our view that the initiation of construction activities at Tia Maria will generate significant economic opportunities for the Islay province and the Arequipa region. Given the current Peruvian economic situation, it is crucial to move ahead on projects that will stimulate a sustainable growth cycle. We will make it a priority to hire local labor to fill the 9,000 jobs that we expect to generate during Tia Maria's construction phase. Additionally, from day one of our operations, we will generate significant contributions to revenues in the Arequipa region.

Potential projects

We have a number of other projects that we may develop in the future. We continuously evaluate new projects on the basis of our long-term corporate objectives, expected return on investment, environmental concerns, required investment and estimated production, among other considerations. All capital spending plans will continue to be reviewed and adjusted to respond to changes in the economy and market conditions.

El Arco - Baja California: This is a world-class copper deposit located in the central part of the Baja California peninsula with ore reserves of over 1,230 million tonnes with an average ore grade of 0.40% and 141 million tonnes of leach material with an average ore grade of 0.27%. The project includes an open-pit mine with a combined concentrator and SX-EW operations. Annual production is expected to total 190,000 tonnes of copper and 105,000 ounces of gold.

Project update: The Company has completed the environmental baseline study for the mine and industrial facilities and is reviewing the basic engineering analysis to request the environmental impact permits.

Los Chancas - Apurimac: This greenfield project, located in Apurimac, Peru, is a copper and molybdenum porphyry deposit. Current estimates of indicated copper mineral resources are 98 million tonnes of oxides with a copper content of 0.45% and 52 million tonnes of sulfides with a copper content of 0.59%. The Los Chancas project envisions an open-pit mine with a combined operation of concentrator and SX-EW processes to produce 130,000 tonnes of copper and 7,500 tonnes of molybdenum annually. The estimated capital investment is $2,600 million and the project is expected to be in operation in 2030. In 2022, we continued to engage in social and environmental improvements for the local communities and worked on the project´s environmental impact assessment.



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Project update: As of March 31, 2023, part of the project´s land continued to be occupied by illegal miners, 70 of whom have irregularly registered their stakes in the "Integral Registry of Mining Formalization" (REINFO). The Company has requested that these 70 informal miners be excluded from REINFO. In response, the competent authority has eliminated these individuals from the registry of formal mining interests. The Company has also filed criminal complaints and other legal remedies to physically expel the illegal miners from the Project.

Michiquillay Project - Cajamarca: In June 2018, Southern Copper signed a contract for the acquisition of the Michiquillay project in Cajamarca, Peru. Michiquillay is a world class mining project with inferred mineral resources of 2,288 million tonnes with an estimated copper grade of 0.43%. When developed, we expect Michiquillay to produce 225,000 tonnes of copper per year (along with by-products of molybdenum, gold and silver) for an initial mine life of more than 25 years and at a competitive cash-cost. We estimate an investment of approximately $2.5 billion will be required and expect production start-up by 2032. Michiquillay will become one of Peru´s largest copper mines and will create significant business opportunities in the Cajamarca region; generate new jobs for the local communities; and contribute with taxes and royalties to the local, regional and national governments.

In 2021, the Company signed Social Agreements with the Michiquillay and the Encañada Communities. In addition, on

October 1, 2021, the Peruvian Ministry of Energy and Mines approved the semi-detailed Environmental Impact Study for the project.

Project update: In the fourth quarter of 2022, the Company informed MINEM that it had begun exploration activities and initiated an assessment of the existing mineral resource at depth. In 2023, in accordance with our social agreements with the Michiquillay and La Encañada communities, the Company has hired unskilled labor and is paying for the use of surface land. We are supporting social programs in both communities as we roll out exploration activities.

The above information is based on estimates only. We cannot make any assurances that we will undertake any of these projects or that the information noted is accurate.

ENVIRONMENTAL, SOCIAL AND CORPORATE GOVERNANCE ("ESG")

Sustainable Development Report. This year, Grupo Mexico will present edition N• 15 of the Sustainable Development Report, which contains disaggregated information from Southern Copper Corporation and reaffirms our commitment to transparency and on-going improvement. In 2022, we have placed particular importance on updating our strategy for climate change, which includes targets to reduce greenhouse gas emissions. This year's report also provides information on our program and objectives with regard to promoting diversity and inclusion both inside the Company and within the communities close to our operations.

Sustainable Development Committee. In 2022, SCC set up a Sustainable Development Committee, which is presided by an independent Director. This committee's main objective is to support SCC's Board of Directors in its endeavors to supervise management of risks and opportunities in the environmental, safety and health, community development, human rights and corporate governance ambits. The committee meets every quarter and has assessed diverse aspects of the Company's ESG trajectory, including adhesion to international agreements and management of water and mineral waste. The Sustainable Development Committee, in its third session, addressed climate change as well as diversity and inclusion and identified opportunities on the corporate governance front.

Third-party certification. In line with our commitment to implement best environmental, social and corporate governance practices, our Buenavista del Cobre mine, located in Sonora (Mexico), has obtained certification for three important ISO (International Organization for Standardization) standards: ISO 9001 for quality management; ISO 14001 for environmental management; and ISO 45001 for occupational safety and health management. These certifications are indicative of our commitment to the environment, to quality and to the health and occupational safety of our employees.

Occupational Safety and Health. At SCC, our employees' safety is our priority. Our unit in Ilo, located in Moquegua, Peru, has earned first place in the Smelter and Refinery category of the XXVI National Competition for Mining Safety (Concurso Nacional de Seguridad Minera) organized by the Instituto de Seguridad Minera. This award recognizes SCC's



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performance with regard to indicators of our employees' occupational safety and health and is a reflection of our on-going commitment to ensure the sustainability of our operations.

Biodiversity. In March 2023, the Environmental Management Unit at Buenavista del Cobre obtained certification from the Wildlife Habitat Council in recognition of our contributions to efforts to prevent the extinction of the Mexican grey wolf, which was on the brink of extinction in the wild. On account of our contributions, the species have been able to multiply in their natural habitat in Mexico. Going forward, we will continue to work side-by-side with society and authorities to serve the common good in the regions in which we operate.

Community Development. At SCC, we continue to strengthen our community development model and currently operate 29 community centers that provide services to 350 thousand people a year in Mexico and Peru. These efforts positively impact the quality of life of the residents in the communities where we work. Recently, we renovated two community centers (called Casa Grande) in Santa Barbara, Chihuahua and Charcas, San Luis Potosi. These facilities will serve an additional 21 thousand residents by providing spaces to learn and develop bonds. Both centers are equipped with a library, a game area, an audiovisual room, computer centers, physical activation spaces, areas for temporary exhibits, and grass areas.

Diversity and Inclusion. At SCC, we are convinced that valuing diversity, preventing discrimination, and promoting

openness to different ways of thinking are fundamental in all efforts to develop inclusive workplace environments that

promote the integral development of our employees and stakeholders. We are committed to driving the agenda for

diversity and inclusion transversally throughout the Company and in the communities around our operations. Our

results in 2022 reflect the fruit of our efforts, with a 16% increase in the number of women employed by SCC.

ACCOUNTING ESTIMATES

Our discussion and analysis of financial condition and results of operations, as well as quantitative and qualitative disclosures about market risks, are based upon our consolidated financial statements, which have been prepared in accordance with U.S. GAAP. Preparation of these consolidated financial statements requires our management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. We make our best estimate of the ultimate outcome for these items based on historical trends and other information available when the financial statements are prepared. Changes in estimates are recognized in accordance with the accounting rules for the estimate, which is typically in the period when new information becomes available to management. Areas where the nature of the estimate makes it reasonably possible that actual results could materially differ from amounts estimated include: ore reserves, revenue recognition, ore stockpiles on leach pads and related amortization, estimated impairment of assets, asset retirement obligations, determination of discount rates related to the financial lease liabilities, classification of operating leases versus financial leases, valuation allowances for deferred tax assets, unrecognized tax benefits and fair value of financial instruments. We base our estimates on historical experience and on various other assumptions that we believe reasonable under the circumstances. Actual results may differ from these estimates under different assumptions or conditions.



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