Investor Presentation - April 2021 - As of April 30, 2021

Investor Presentation
April 2021

Ternium
As  of IApril
         April 2021
                30, 2021   1

Forward-Looking Statements

This presentation contains certain forward-looking statements and information relating to Ternium S.A. and its
subsidiaries (collectively, “Ternium”) that are based on the current beliefs of its management as well as assumptions
made by and information currently available to Ternium. Such statements reflect the current views of Ternium with
respect to future events and are subject to certain risks, uncertainties and assumptions. Many factors could cause the
actual results, performance or achievements of Ternium to be materially different from any future results, performance or
achievements that may be expressed or implied by such forward-looking statements, including, among others, changes in
general economic, political conditions in the countries in which Ternium does business or other countries which have an
impact on Ternium’s business activities and investments, changes in interest rates, changes in inflation rates, changes in
exchange rates, the degree of growth and the number of consumers in the markets in which Ternium operates and sells
its products, changes in steel demand and prices, changes in raw material and energy prices or difficulties in acquiring
raw materials or energy supply cut-offs, changes in business strategy and various other factors. Should one or more of
these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary
materially from those described herein as anticipated, believed, estimated, expected or targeted. Ternium does not
intend, and does not assume any obligation, to update these forward-looking statements.

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Profile

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Ternium’s Profile
A leading steel company in Latin America
                                                                                                                                  20,000
 Net sales of $8.7 billion in 2020                                                  Countries                                     Employees

 Steel shipments in 2020 of 11.4 million tons
 Industrial facilities in Mexico, Argentina, Brazil,                               24
                                                                                                                                             Integrated
                                                                            Distribution
   Colombia, USA and Central America                                                                                                    Integrated
                                                                                                                                              Facilities
                                                                             Centers
                                                                                                                                         Facilities

                   Steel Shipments 2020                                                       22                            12
                                                                                             Service                     Downstream
                                                                                             Centers                      Facilities
                                     Other; 5% (Slabs 4%)
       Mexico; 52%                        Colombia; 4%
                                                                     Vertically integrated, from iron ore mines to
                                            USA; 14% (Slabs 9%)       service centers
                                                Other Markets 31%
                                                                     Focus on high value-added products
                                     Brazil; 8% (Slabs 8%)
                                                                     Participation in Usiminas1 control group
              Southern Region; 17%

                                                                    1Usiminas:   a leading company in the Brazilian flat steel market
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Sustainable Profitability
A comprehensive approach to value creation
  Quest for excellence in industrial management    Economic Value Generated and Distributed (2020)
   and technology
  Focus on differentiation through sophisticated                               Suppliers
                                                                                 $6.4 B
   products and services
                                                           Community
                                                                                                 Employees
                                                          investments
  Proactive approach to environment, health and            $11.1 M
                                                                                                  $739 M

   safety
                                                                            Economic
  Recruitment, training, and retention of talent                             value
                                                                            generated
                                                       Research &
  Strengthening of steel value chain                 development
                                                                              $8.2 B                  Capex
                                                         $8.3 M                                       $560 M

  Deep ties with our communities
  Commitment to integrity
                                                                     Capital
                                                                                            Taxes
                                                                    providers
                                                                                            $436 M
                                                                      $47 M

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Sustainable Profitability
Delivering Ternium’s business strategy

  Focus on high-margin value-added products                            Production capacity (million tons per year)
                                                               Crude steel              Hot-rolled steel
  Pursue strategic growth opportunities                                                                                   +50%
                                                                                                                                  15.7
                                                                                  +70%
  Implement Ternium’s best practices                                                        12.4
                                                                                                      11.3
                                                                                                                           12.4
                                                                          10.3
  Maximize the benefits arising from Ternium’s                  7.3
    distribution network
  Enhance Ternium’s position as a competitive steel
    producer                                                         2016                        2020                        2021f

  Quest for excellence in industrial management and                     Dividend Payments ($ per ADS)                                   1
                                                                                                                                  2.10
    technology
                                                                                 1.10            1.20
                                                               1.00

                                                                                                                       -

                                                               2017             2018             2019            2020             2021
                                                       1   Proposed by the Board of Directors on February 23rd, 2021
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Sustainable Profitability
Improving our health and safety performance

 Occupational health and safety (OH&S) policy                   Lost time injury frequency rate
                                                                  (# of events / million hours worked)
 Standardized and certified OH&S management
   system
 Safety-focused capital expenditure plan                 1.0
                                                                                              0.8        0.8
                                                                      0.7         0.7
 Integral program for critical steel production
   processes and iron ore tailings dams                   2016       2017        2018        2019        2020
 Management tours at the facilities, training,
   workshops and conferences to raise awareness
 Extensive communication to engage and commit
   Ternium's and contractor's employees
 Initiatives to promote healthy and safe operations in
   the steel industry value chain

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Sustainable Profitability
Health and safety measures against Covid-19

  Work-from-home policy whenever possible
  New protocols for on-site work that comply with, or exceed, local
    authorities’ directives
          strict social distancing and mandatory face masks
          temperature checks at admission posts
          strengthened disinfection routines including buses, working
           posts and cafeterias
  Employees with higher risk of developing complications stay at home
  Prompt testing of all individuals showing symptoms along with their
    close contacts and contagion tracking
  Extensive communication program to promote health and wellness
    protocols at both work and home

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Sustainable Profitability
Roadmap to decabornization

 Target of 20% reduction of CO2 emissions                                  Emission Intensity CO2
                                                                           (tons emitted per ton of steel produced)
     intensity (scope 1 and 2) by 2030 (base 2018) by:
                                                                               1.8            1.8             1.8            1.7
        intensifying the use of renewable energy              1.5
        increasing scrap in the metallic mix
        augmenting carbon capture capacity
        partially replacing met coal with charcoal
        prioritizing lower specific-emission
            technologies                                      2016           2017            2018            2019           2020
                                                                     Scope 1: direct
 Board of Directors quarterly oversight of Ternium’s                Scope 2: purchased energy
                                                                     Scope 3: supply chain
     Climate Change strategy
                                                         The increased emission intensity in 2017 reflected the incorporation of the Rio
                                                         de Janeiro unit (blast furnace-based) in Ternium's crude steel production mix.

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Sustainable Profitability
Minimizing Ternium’s environmental footprint
 New environmental investment plan:
       encompassing Ternium’s steel making
           facilities in Mexico, Brazil and Argentina
       seven-year duration and $460 million capex
 Responsible use of natural resources
 Focus on excellence in environmental performance
        Certified environmental management system
                                                            Project of the Rewilding Argentina Foundation at the Iberá Wetlands
        Management performance accountability
        Sustainable building solutions at new facilities
 Biodiversity protection

                                                            Investments to improve the capture and treatment of air emissions
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Sustainable Profitability
Strengthening Ternium's value chain

 Promoting a collaborative network to foster
   excellence in performance:
         Universities
         Business schools
         Government agencies
         Industrial associations
 Helping 1,800 SMEs, customers and suppliers, grow:
         Training programs                              “ProPymes has helped create an industrial network
                                                         that encourages the professionalization and quest
         Industrial projects and business consultancy   for excellence of SMEs.”
         Institutional initiatives
         Commercial support and financial assistance

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Sustainable Profitability
Helping our communities thrive
 Fostering education:
    Ternium’s technical school in Pesquería
        Refurbishing of community schools
        Special education program for children
        Financial support to high-school, undergraduate
          and graduate students
 Supporting initiatives that strengthen our communities:       Roberto Rocca Technical School in Pesquería, Mexico

    Funding of health care infrastructure and equipment
        Sponsorship of diverse cultural exhibitions and
          events
        Arrangement of city races and other sport activities
        Special funding program: $5.5 million to help our
          communities launched at the COVID-19 outbreak

                                                                Volunteer programs for school repair
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Sustainable Profitability
Special funding program to help our communities
 Construction and operation of a field hospital in Monterrey, Mexico
         100 beds
         10 fully-equipped units for intensive care (IC)
 Equipment donation to 14 hospitals and health-care units in 4 countries
    (ventilators, units for IC, beds, IC equipment and protection gear)
 Creation of a professional network to share COVID-19 treatments
         Linking doctors from our communities with Humanitas’1 colleagues
         Humanitas expertise available at a public virtual campus
 Adaptation to online learning at some of Ternium’s education programs
         Roberto Rocca Technical School
         AfterSchool program
 Food support for vulnerable families

1   Humanitas: an Italian network of hospitals controlled by the Techint Group
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Sustainable Profitability
Commitment to integrity through strong corporate governance

 Audit committee (all independent directors)
 Internal Audit Department reporting to the
   Chairman and the Audit Committee
 Business Conduct Compliance Officer reporting
   to the CEO
 Compliance department that oversees SOX
   certifications, related party transactions and
   conflict minerals                                     Codes                Policies           Procedures

 Employee accountability and training to ensure a     Conduct (for       Business conduct     Disclouse (relevant
                                                     wc employees)         Transparency           information)
   transparent behavior
                                                       Conduct for           Anti-fraud          Related party
 Confidential channels to report non-compliant         suppliers                                 transactions
                                                                          Securities trading
   behavior                                          Ethics for senior        Diversity         Conflict mineral
                                                     financial officers     Human rights           disclosure

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Latin American Steel Markets

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Latin America Steel Markets
Ternium has a leading position in the Mexican steel market
 The Mexican market is the largest in Latin America
 Growth in Mexico’s steel consumption over the last decades was driven mainly by a dynamic
   manufacturing industry
 Mexico, Brazil, Argentina and Colombia accounted for approximately 80% of Latin America’s steel
   consumption in 2020
                                            Apparent steel use (million tons)
               Brasil                                                           Argentina
               Mexico                                                           Colombia
                                             21.7
                                             21.2                                                            3.6
                                                                         2.7                                 2.9

       9.7
       6.6                                                               1.1

          1990               2000   2010   2020                            1990             2000   2010   2020
Source: Alacero April 2021
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Mexico
Attractive steel market with a significant demand for high-end steel products

 Developed industrial sector (approximately 49% of
   shipments in Mexico)
 Access to the North American steel market through                Steel shipments by industry (2020)
   USMCA
 Ternium’s focus on value added products and services:                 Automotive; 23%

         Service center network                                                          Other industries 9%

         Nationwide coverage through distribution centers
           and regional distributors                                                         White goods; 8%

         Customer digital connectivity
         Ongoing investment plan to increase our capabilities                             HVAC / lighting; 9%

           for industrial customers                          Commercial; 51%

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Mexico
New hot-rolling mill in Pesquería expected to start up in June 2021

 Significant technological upgrade to expand TX’s           Apparent flat steel use – Mexico 2020
   product range and improve customer service               Industrial       Commercial         Local   Imports

 The new mill will further increase Ternium’s
                                                           63%
                                                                                                             56%
   capabilities to substitute imports, which in 2020
                                                                                          44%
   accounted for 56% of Mexico’s flat steel use                                  37%

 Targeting the automotive industry, as well as the                      0
   white goods, machinery, energy and construction
   sectors
 Annual production capacity of 4.4 million tons (option
   to increase capacity to 4.8 million tons)                                  36%

Source: Canacero / Ternium estimates
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Mexico
Developing our industrial center in Pesquería

 Greenfield facility inaugurated in 2013 with cold-rolling and galvanizing lines
 Additional hot-dipped galvanizing and painting lines inaugurated in 2019 with the most advanced painting
   technology in Mexico
 New hot-rolling mill to start-up in June 2021
 High-end value-added products for the automotive, white goods and heating-ventilation-air conditioning
   (HVAC) industries
 Expected annual production capacity in 2021:
           Hot-Rolling: 4.4 million tons
           Cold-rolling: 1.6 million tons
           Hot-dipped galvanizing: 830,000 tons                               36%

           Painting: 120,000 tons

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Argentina
Third largest steel market in Latin America with a developed industrial sector

    Significant industrial customer base representing 46%
      of steel shipments in Argentina
                                                                      Steel shipments by industry (2020)
    Focus on value added products and services:
            Service center network
                                                                 Commercial 54%
            Short notice delivery and just-in-time agreements                            Automotive 7%

            Customer digital connectivity                                                   Agribusiness 9%

            Joint product research and development projects                                   White goods 6%
              with our value chain (mainly white goods,                                      Canning 8%
              transportation and renewable energy)                                         Oil & gas 1%

                                                                                       Other industrial 15%

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Colombia
New rebar mill in Colombia inaugurated in November 2020

 Colombian steel market is the fourth largest in Latin America
 Imports account for a significant share of long steel consumption
 Ternium is expanding its participation in the construction sector in the north/northwest of Colombia
         Approximately 50% of steel rebar consumption
         No local production
         Expensive logistics from the mills in central Colombia
 New greenfield rebar facility
         Annual capacity of 520,000 tons
         Total investment of $90 million
         Started up in November 2020

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Ternium’s Performance

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Ternium’s Performance
EBITDA and Net Income
                                         EBITDA ($ million)      1,057                          EBITDA Margin (% of net sales)
                                                                                                                                 33%

                                                                                                                        25%
                                                          645
                                                                                                               17%
                                                353                                13%           13%
            302
                              224

           1Q20              2Q20              3Q20      4Q20    1Q21              1Q20          2Q20          3Q20    4Q20      1Q21

                                         EBITDA per Ton1 ($)                         Net Income and Earnings per ADS
                                                                  341          Net Income (Loss) ($ million)
                                                                               Earnings (Losses) per ADS                           707
                                                                                                                         671
                                                                         680
                                                                         630
                                                          210            580
                                                                         530
                                                                         480
                                                                         430      (0.06)          0.22         0.74      3.06      3.07
                                                 124                     380
             101               91                                        330
                                                                         280
                                                                         230                                    173
                                                                         180
                                                                         130                      44
                                                                          80
                                                                          30
                                                                         -20
            1Q20              2Q20              3Q20      4Q20   1Q21              (19)
   1   Consolidated EBITDA divided by steel shipments.                            1Q20           2Q20          3Q20     4Q20      1Q21
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Ternium’s Performance
Steel Shipments
                          Mexico (thousand tons)                              Other Markets (thousand tons)
        1,650                                  1,643   3%    1,699    Slabs
                                   1,445
                       1,175
                                                                     969        931             853      771      1%        778
                                                                     636        664             519      499                466

        1Q20           2Q20        3Q20        4Q20          1Q21    1Q20       2Q20        3Q20         4Q20              1Q21

                       Southern Region (thousand tons)                         Steel Shipments 1Q21

                                                                      Mexico 55%                      Other 1%
                                                                                                         Colombia 5%

                                               653     -5%   623
                                   547                                                                   USA 10% (6% slabs)
         380            344
                                                                                                                          Other Markets
                                                                                                                             25%
                                                                                                      Brazil 9% (slabs)
        1Q20           2Q20       3Q20        4Q20           1Q21
                                                                                    Southern
                                                                                   Region 20%
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Ternium’s Performance
Total Shipments and Revenue per Ton
                       Total Shipments (thousand tons)                                              Revenue per Ton ($/ton)
                                                                               Southern Region                                      1,093
                                                                               Mexico                                         13%
                                                                               Consolidated                                            1,066
                                                     3,067         3,099                                                968
        2,998                            2,845
                                                             1%
                                                                                                                              27%   1,026
                                                                                    898
                          2,449
                                                                                                                        841
                                                                                    769                                       24%
                                                                                                                        825
                                                                                    737

        1Q20              2Q20           3Q20        4Q20          1Q21            1Q20          2Q20       3Q20       4Q20         1Q21

                                 Net Sales ($ million)                     Net sales in 1Q21 up 26% sequentially and 43% year-over-
                                                             26%   3,249   year mainly on higher revenue per ton:
                                                     2,580                    Mexico: shipments affected by extreme weather conditions
       2,271                            2,139                                  in 1Q21. Prices increasing significantly, even with lagged
                         1,746                                                 reset of contract prices.
                                                                              Southern Region: shipments remained at high levels on
                                                                               strong demand for durable goods and construction
                                                                               materials in Argentina.
       1Q20              2Q20           3Q20         4Q20          1Q21       Other Markets: ramp-up of new facility in Colombia offset
                                                                               decrease in slab shipments to third-parties.
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Ternium’s Performance
Cash Flow and Balance Sheet

                       Cash from Operations    ($ million)                                           Working Capital ($ million)
                                                                                             306
                        504                                                  182                              141
        443                         460
                                                355          328

                                                                                                                              (275)

                                                                                                                                       (666)
       1Q20             2Q20       3Q20        4Q20          1Q21           1Q20            2Q20             3Q20             4Q20     1Q21

                          Free Cash Flow ($ million)                         1.3
                                                                                                       Net Debt ($ billion)

                         393        389                                                       0.9

                                                 234                                                          0.6
         185                                                  198
                                                                                                                               0.4
                                                                                                                                        0.2
                                                                             0.9x             0.8x            0.5x             0.2x     0.1x1

       1Q20             2Q20       3Q20        4Q20          1Q21           mar-20          jun-20          sep-20            dic-20   mar-21
                                                                    1 Net   Debt/EBITDA Ratio (last 12 months EBITDA)
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Conclusion

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Conclusion

 A leading steel company in Latin America with a
   comprehensive management approach
 Successful implementation of business strategy geared
   toward sustainable profitable growth
 Solid financial position
 Resilience in times of crisis
 New hot-rolling mill in Mexico provides opportunity to
   strengthen business in the region
 Continued focus on generating long-term stakeholder value

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Appendix

 Corporate Structure
 Production Capacity
 Shipments and Net Sales
 Income Statement
 Cash Flow Statement
 Balance Sheet
 Selected Webcast Presentation Slide First Quarter of 2021
 Ternium’s Debt Profile
 More about Ternium’s developing industrial system in Brasil

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Corporate Structure
                                          Techint Group: 62%
                                          Tenaris: 11%
                                          Ternium (treasury shares): 2%
                                                                                              Subsidiaries                Joint operations              Non-consolidated companies
                                          Public: 24%

     71%                                                                              100%                                                         50%
                          Ternium México
                                    29%                                                 Las Encinas                                                 Peña Colorada
     62%                                                         38% Other
                         Ternium Argentina3                                                                                                                        50%
                                                                          Nippon Steel Corp: 19%
                                  4%                                      TenarisConfab: 3%                                                               ArcelorMittal
    17%
                             Usiminas                                     CEU: 3%
                                                                          CSN: 18%
                                                                                                                                                 Economic participation
    100%
                          Ternium   Brasil4                               Other: 37%                                                                 Direct        Indirect
                                                                                                                                                                              2
                                                                                                                                                                                     Total
    51%                                                          49%                                         Ternium Mexico                            71%            18%            89%
                              Tenigal                                     Nippon Steel Corp                                              3
                                                                                                             Ternium Argentina                         62%                           62%
    100%                                                                                                     Ternium Brasil4                          100%                           100%
                         Ternium Colombia                                                                                   1
                                                                                                             Usiminas                                  17%            2%             19%
    100%                Ternium del Atlántico                                                                Tenigal                                   51%                           51%
                                                                                                             Ternium Colombia                         100%                           100%
    100%                   Ternium USA                                                                       TX Int. Guatemala                        100%                           100%
                                                                                                             TX USA                                   100%                           100%
    100%
                       Ternium Int. Guatemala                                                                Las Encinas                               71%            18%            89%
                                                                                                             Peña Colorada                           36%              9%             44%
    48%                                                         30%       Tecpetrol                          1 Participation based on total shares distributed
                              Techgen
                                                                                                             2
                                                                22%                                              Net of non-controlling interest in TX Argentina
    50%                                                                                                      3   Formerly known as Siderar
                               Exiros                           50%       Tenaris                            4   Formerly known as CSA

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Production Capacity

Production Capacity as of year-end 2020 (million metric tons per year)
                                                                            (1)
                                               Mexico   Argentina   Other         Total

Slabs                                             2.5      3.2        5.0 (2)     10.7
Billets                                           1.6                 0.2          1.8
Crude steel                                       4.1      3.2        5.2         12.4
Hot rolled coils                                  6.5      2.9                     9.4
Rebars & wire rods                                1.2                 0.7          1.9
Cold rolled coils                                 3.7      1.8                     5.5
Tinplated products                                         0.2                     0.2
Galvanized products                               2.4      0.6        0.4          3.4
Pre-painted products                              0.8      0.1        0.2          1.1
Service center                                    3.9      2.3        1.3          7.5

(1)Brazil, Southern US, Colombia and Central America
(2)Corresponds to Ternium Brasil
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Shipments and Net Sales
                                                     Net Sales (USD million)                  Shipments (thousand tons)           Revenue / ton (USD / ton)
                                                                                                                             3
                                                   1Q2021      4Q 2020       Dif.            1Q2021      4Q 2020     Dif.        1Q2021      4Q 2020      Dif.
                                                                                                                             Q
 Mexico                                               1,810.8        1,382.2     31%             1,699       1,643      3%           1,066         841     27%
 Southern Region                                        680.8          632.7      8%               623         653     -5%           1,093         968     13%
 Other Markets                                          687.7          516.9     33%               778         771      1%             884         671     32%
 Total steel products                                  3,179.3        2,531.8    26%              3,099       3,067     1%            1,026         825    24%
 Other products1                                         59.7           45.5     31%
 Total steel segment                                   3,239.0        2,577.3    26%
 Total mining segment                                    123.4         105.7      17%             1,035        943     10%             119          112      6%
 Total steel and mining segments                       3,362.4       2,683.0      25%
 Intersegment eliminations                             (113.1)       (103.3)
  Total net sales                                      3,249.3       2,579.7      26%

                                                     Net Sales (USD million)                  Shipments (thousand tons)           Revenue / ton (USD / ton)
                                                                                                                             3
                                                   1Q2021      1Q2020        Dif.            1Q2021       1Q2020     Dif.        1Q2021      1Q2020       Dif.
                                                                                                                             Q
 Mexico                                               1,810.8        1,268.9      43%            1,699       1,650      3%           1,066         769     39%
 Southern Region                                        680.8          340.8     100%              623         380     64%           1,093         898     22%
 Other Markets                                          687.7          600.2      15%              778         969    -20%             884         619     43%
 Total steel products                                  3,179.3        2,209.9     44%             3,099       2,998     3%            1,026         737    39%
  Other products1                                        59.7            44.2     35%
 Total steel segment                                   3,239.0        2,254.1     44%
 Total mining segment                                    123.4            94.3    31%             1,035        993      4%             119           95    25%
 Total steel and mining segments                       3,362.4        2,348.4     43%
 Intersegment eliminations                             (113.1)          (77.0)
  Total net sales                                      3,249.3        2,271.4     43%

 1
     The item “Other products” primarily includes Ternium Brasil’s and Ternium México’s electricity sales.
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Income Statement
                          $ million                 1Q 2021         1Q 2020
                                                          (Unaudited)
 Net sales                                             3,249.3         2,271.4
 Cost of sales                                        (2,138.3)       (1,920.5)
 Gross profit                                          1,111.0           350.9
 Selling, general and administrative expenses           (210.4)         (211.6)
 Other operating income (expenses), net                    5.1            (3.6)
 Operating income                                        905.8           135.7

 Finance expense                                          (7.2)          (16.3)
 Finance income                                           16.3             7.9
 Other financial income (expenses), net                    6.9           114.5
 Equity in earnings of non-consolidated companies         46.5             6.1
 Profit before income tax expense                        968.3           247.9
 Income tax expense                                     (261.6)         (267.3)
 Profit (loss) for the period                            706.7           (19.4)

 Attributable to:
 Owners of the parent                                    602.9           (11.6)
 Non-controlling interest                                103.7            (7.8)
 Profit (loss) for the period                            706.7           (19.4)

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Cash Flow Statement
                             $ million                      1Q 2021         1Q 2020
                                                                  (Unaudited)
 Profit (loss) for the period                                    706.7          (19.4)
 Adjustments for:
  Depreciation and amortization                                 151.6           166.4
  Equity in earnings of non-consolidated companies              (46.5)            (6.1)
  Changes in provisions                                            4.4            (0.7)
  Net foreign exchange results and others                         61.9         (104.6)
  Interest accruals less payments                                  1.7             1.3
  Income tax accruals less payments                             114.3           224.0
  Changes in working capital                                   (666.2)          181.8

 Net cash provided by operating activities                       327.8          442.8

  Capital expenditures                                         (129.7)         (257.6)
  Proceeds from the sale of property, plant and equipment          0.6             0.2
  Acquisition of non-controlling interest                         (0.8)           (4.5)
  Decrease in Other Investments                                 149.3             97.1

 Net cash provided by (used in) investing activities              19.4         (164.8)

  Finance Lease payments                                         (11.0)         (10.5)
  Proceeds from borrowings                                        18.1          190.6
  Repayments of borrowings                                       (36.7)         (60.7)

 Net cash (used in) provided by financing activities             (29.5)         119.4

 Increase in cash and cash equivalents                           317.8          397.3

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Balance Sheet
                                                  March 31,     December 31,                                                                 March 31,     December 31,
                             $ million                                                                        $ million
                                                    2021            2020                                                                       2021            2020
                                                                             Capital and reserves attributable to the owners of the parent       7,841.3        7,286.1
  Property, plant and equipment, net                  6,488.5        6,504.7 Non-controlling interest                                            1,251.2        1,157.0
  Intangible assets, net                               893.2          908.6
  Investments in non-consolidated companies            477.7          471.3 Total Equity                                                         9,092.5        8,443.2
  Deferred tax assets                                  151.6          158.7   Provisions                                                            79.0           80.6
  Receivables, net                                     200.7          243.3   Deferred tax liabilities                                            333.9          346.5
  Other investments                                       2.9            2.9  Other liabilities                                                   537.9          551.9
 Total non-current assets                             8,214.6        8,289.5  Trade payables                                                         1.1            1.1
  Receivables, net                                     345.6          288.6   Derivative financial instruments                                       0.3            0.5
  Derivative financial instruments                        1.4            1.6  Lease liabilities                                                   242.1          251.6
  Inventories, net                                    2,345.0        2,001.8  Borrowings                                                         1,125.3        1,327.3
  Trade receivables, net                              1,368.7         918.4 Total non-current liabilities                                        2,319.6        2,559.5
  Other investments                                    637.5          813.5   Current income tax liabilities                                      225.5          110.5
  Cash and cash equivalents                            835.4          537.9   Other liabilities                                                   316.5          249.8
 Total current assets                                 5,533.7        4,561.8  Trade payables                                                     1,179.1        1,049.3
 Non-current assets classified as held for sale          5.0             5.0  Derivative financial instruments                                       0.6            5.8
                                                                              Lease Liabilities                                                     42.9           42.5
 Total assets                                        13,753.2       12,856.2
                                                                              Borrowings                                                          576.5          395.6
                                                                             Total current liabilities                                           2,341.1        1,853.6

                                                                               Total liabilities                                                 4,660.7        4,413.1

                                                                               Total equity and liabilities                                     13,753.2       12,856.2

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First Quarter of 2021 Results- Webcast Presentation
EBITDA and Net Results
                                                                                                             621

       Higher revenue per ton in the 1Q21, reflecting a
                                                                                                                           (205)        (12)
        strong pricing environment.

                                                                (million $)
                                                                                                   9
       Increase in cost per ton, mainly reflecting higher                                                                                           1,057
        raw material, purchased slab and energy prices.                                645

                                                                                  EBITDA
                                                                                  EBITDA      Shipments Price/Mix          Cost         Other        EBITDA
                                                                                   4Q20
                                                                                   4Q20                                                               1Q21

       Higher operating income.                                                                             71
                                                                                               229
                                                                                                                             (11)
       Better net financial results mainly due to 3%
        depreciation of the MXN against the USD in 1Q21

                                                             (million $)
                                                                                                                                            (253)
        compared to a 13% appreciation in the 4Q20.
       Effective tax rate of 27% in the 1Q21, compared to                       671                                                                         707
        1% in the 4Q20 due to higher deferred tax gains in
        connection with MXN appreciation.
                                                                              Net Income     Operating   Net Financial       Equity in      Income     Net Income
                                                                                 4Q20         Income       Results         Earnings of        Tax         1Q21
                                                                                                                         non-consolidated
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Ternium Brasil Acquisition
A strong foundation for Ternium’s industrial plan in the Americas

 Acquired in September 2017
 5 mtpy high-end slab facility in Brazil
 Further integrate Ternium Brasil to take it to its full
   potential
 Increase competitiveness in the high-end Mexican steel
   market vis-à-vis imports
 Improve customer service supported by higher
   operational flexibility
      Customized steel products
      Coordinated product development
      Enhanced logistics

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Debt Profile
Comfortable maturity schedule

 $1.7 billion gross debt as of March 2021                    Debt maturity profile Mar’21 ($/million)
 Main outstanding syndicated loans:                   Tx Mexico Synd. Loan                 Tx Investments Synd. Loan
                                                       Tx Brasil Synd. Loan                 Other outstanding long-term debt
         Ternium Mexico: $500 million                 Revolving credit facilities

         Ternium Brasil: $500 million                                      664

         Ternium Investments S.à.r.l.: $400 million                                               525

 Other outstanding long-term debt:                    373

         Peña Colorada: $56 million                                                 138
         Tenigal: $50 million                                                                                          9

 Revolving credit facilities (uncommitted) of $202    2021                2022      2023         2024                2025

  million outstanding, mainly in Mexico and
  Colombia

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www.ternium.com

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