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INDEXLVolkom Profile404141414140Mission and Vision Location Products MarketsApplicationsAlkento Profile4242434442Mission and Vision LocationProducts and Applications Certifications454646Appendix 45GRI Content Index About This Report ContactCEO Letter3Corporate Profile 566789101011114History Location Corporate Governance Corporate Values Sustainability Strategy Human Rights Complaint Mechanisms Ethics Sustainable Sourcing External InitiativesSocial Performance1213131415151612Our People Equality and No DiscriminationTraining and Evaluation Safety Health Additional Health BenefitsCommunication and Well-being1717181919202117Environmental Policy Environmental Goals Climate ChangeRenewable Energy Water Circular Economy BiodiversityEnvironment22232324242526272829303132333322Mission and VisionProducts Applications LocationMarkets Innovation Certifications, Audits, and Awards Associations Sustainability Strategy – MulticerasConsultation with Stakeholders Supply Chain Candelilla Wax Supply Chain Allies in Social Responsibility Community Engagement Candelillero CommunitiesMulticeras Profile3535363737373839Mission and VisionLocation Products Markets Audits Supply Chain Sustainability Strategy – Aztec PlumbingConsultation with Stakeholders35Aztec Plumbing Profile

Labor Standards: Meeting international labor standards and guaranteeing that the rights of the workers throughout our entire value chain are respected. Environment: Implementing strategies for carbon footprint reduction, energy efficiency and responsible use of natural resources. Fight Against Corruption: Adopting policies targeting transparency and business ethics and promoting a culture of integrity in all our operations.As CEO and on behalf of all the members of Corzen Group, we thank the opportunity to form part of this global network and commit to actively contribute to sustainable development and to the strengthening of our shared values.Kind regards,CEO LETTERDear Friends,It is an honor for Corzen group to reaffirm our commitment to the fundamental principles of the United Nations Global Compact. As a company which aims to operate under the highest ethical and sustainable standards, we understand the importance of aligning our strategies and operations with these universal principles in order to positively impact society and our environment.The year 2024 presented several challenges and opportunities for the global economy. The slow post-pandemic recovery was characterized by volatile markets, adjustments to interest rates by the main central banks, and the reconfiguration of the supply chains due to geopolitical tensions.Our focus for 2024 was the strengthening of our business lines. Our Business Unit ALKENTO saw its first sales of Fair For Life certified Candelilla wax within our EVOLVE portfolio. Organic grade Candelilla wax sales also increased considerably, doubling predicted numbers during its launch period. Additionally, we increased our value proposition by adding new cosmetic solutions to our portfolio such as sunflower wax, Candelilla wax containing additives, and natural esters.Regarding our Strategic Business Unit AZTEC PLUMBING, we invested in the design of new production lines to support the expansion of our product portfolio. We started 2025 with the requirements needed by our main clients, capitalizing on new development opportunities in the United States and Canada.Our SBU VOLKOM developed a new solution for the application of borders on wooden panels, drastically reducing application times and improving the effect desired by our clients. We also consolidated our offering of additives for cement and concrete manufacturing, making its production more efficient and improving its performance. Our 2030 vision – which uses the Ten Principles of the UN Global Compact as a frame of reference – continues to be what drives us to search for a way to sustainably reach the growth necessary to achieve our business goals. We firmly believe that the adherence to these principles helps us to form a business management model which generates long term value sustainably.More specifically, Corzen Group continues to take actions regarding: Human Rights: Ensuring safe and fair working conditions for all our employees and promoting inclusion in our working environment. GRI: 2-22Francisco DíazDirector General3Volkom ProfileAlkento Profile

4PurposeVision“To create solutions that make the world more sustainable and efficient”“To be a centenary corporate group leader in innovation and sustainability”Corporate Profile GRI: 2-1, 2-2 Established in 1978, Multiceras offers a diversified portfolio of solutions catering to various industries. Spanning across distinct Strategic Business Units (SBUs), the company serves sectors such as personal care, pharmaceuticals, food, cardboard packaging and construction. Additionally, Multiceras extends its expertise to encompass areas like school supplies, polishing, casting and plastics.Established in 2000 as an independent business, has steadily grown into a distinguished provider of plumbing solutions. With a diverse portfolio of products, Aztec Plumbing proudly collaborates with renowned brands across various channels, including prominent hardware and home improvement retailers, wholesalers, toilet manufacturers, and cooperatives spanning the globe.Established in the United States in 2008, Arca Chemicals supports corporate companies in matters related to raw material procurement, equipment importation, and access to financing sources. Additionally, Arca Chemicals markets high-quality Mexican products in the United States.Volkom develops solutions for the constructionindustry, such as emulsions and additives for wood and drywall panels, concrete, and asphalt. Volkom also supplies paper sizing and pulp production solutions, applicable in box coatings such as sizers and defoamers. Focused on custom engineering integration, Volkom also offers lubricants and coatings for the automotive and manufacturing sectors.Corzen Group is comprised of Multiceras, Aztec Plumbing, and Arca Chemicals, all under the ownership of a Mexican family. While each company caters to distinct markets, they are unified by shared purposes, values, and operational approaches.To enhance our understanding of customer needs and streamline our focus on respective industries, we established Strategic Business Units (SBUs). These units are tailored to address specific markets, clients, and requirements, enabling us to foster comprehensive development and provide optimized attention. At present, our SBUs include Volkom and Alkento.Alkento caters to the personal care, pharmaceutical, and food industries. These sectors demand adherence to stringent regulations and innovative product solutions. Consequently, our dedicated R&D and Innovation teams are actively engaged in researching and formulating novel raw materials tailored to address the unique requirements of our customers.Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

HistoryThe company was founded under the name BaldiniThe first production plant was established in Saltillo, CoahuilaThe plant was relocated to SantaCatarina, Nuevo LeónThe company started the production of wax rings for the plumbing The current production plant and corporate offices were built in García, Nuevo León Aztec Plumbing began as an independent company The company was divided into Multiceras for the manufacture and commercialization of waxes, and Multiquim for the distribution of chemical products1978198119831985199019912000Multiquim was sold to Noveon, Inc.The Candelilla Institute, founded in 2004, becomes a Civil Association as an Authorized DonorArca Chemicals was established in United StatesMulticeras and Aztec Plumbing adhered to the UN Global Compact and started presenting sustainability reports the following yearNew laboratory facilities were created to increase our capacity for R&D and InnovationThe Multiceras Group corporate entity was created to include the companies Multiceras and Aztec Plumbing, as well as new Strategic Business Unit, VolkomThe name of Multiceras Group is changed toCorzen GroupMulticeras received the Socially Responsible Company award from CEMEFI (Mexican Center for Philanthropy)2002200820122013201820202021202220245Alkento was created as a new Strategic Business UnitGRI: 2-2Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

6Corporate Governance GRI: 2-1, 2-9, 2-12The Executive Board of Corzen Group provides our highest level of governance. It is tasked with setting strategic direction, endorsing the annual budget, overseeing internal procedures, and monitoring overall progress. 33% of the Board of Directors is made up of women.Complementing this, our Advisory Council, comprising independent members, offers advice on ethical, legal, and strategic matters.The Chief Executive Officer assumes responsibility for implementing the strategies delineated by the Executive Board, overseeing operations, and approving policies. Supported by the Chief Commercial Officer, Chief Growth Officer, and other executive management, the CEO ensures effective leadership.Further, each Strategic Business Unit (SBU) is led by a dedicated manager, entrusted with executing the unit's bespoke strategy and fostering sustainable growth.6GRI: 2-1The production plants of Multiceras and Aztec Plumbing, as well as their corporate offices and laboratories, are located in García, Nuevo León, Mexico. LocationIndex Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

Corporate ValuesGRI: 2-23Our corporate values serve as the compass guiding our decision-making processes and the execution of our strategic objectives. Forming the bedrock of our operations, these values underpin our Code of Conduct, which is meticulously crafted to reflect them. Annually, our staff undergoes evaluations, assessing their adherence to these values and the Code of Conduct, ensuring alignment with our organizational ethos.7CommitmentCreativityRespectServiceHealth and SafetyCommitment motivates us to give our all to the team and trust that we can achieve our goals together.Excellence drives us to perform at our highest level. Creativity inspires us to generate ideas, push boundaries, and discover original solutions.Service allows us to anticipate our clients’ needs and to collaborate with them to create solutions tailored to their business.Respect means honoring ourselves, others, and the environment that sustains us all. Our employees are the cornerstone of our business, so their physical and mental health, as well as their safety, are a priority for us.We live our values with a profound sense of ownership and accountability ingrained within our corporate culture.Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendixExcellence

Sustainability StrategyGRI: 2-22LFor Corzen Group, sustainability is the integration of our core values, with a profound respect for Human Rights and environmental preservation. Our overarching objective is to cultivate businesses that not only deliver value to our customers but also provide them with access to ethically sourced raw materials and high-quality products, thereby aiding in their efforts to minimize their social and environmental footprint.In 2022, we initiated and operationalized strategic projects aimed at advancing our sustainability objectives. Throughout 2023, we successfully executed various initiatives, including the attainment of Organic and Fair for Life certifications for Multiceras' Candelilla wax, marking significant milestones in our sustainability journey. In 2024, we reassessed our strategy and focused on operational improvements for our projects. We also established our strategic sustainability vision to establish Corzen Group as an organization recognized for its commitment to making changes to create economic, environmental, and social value for our stakeholders.Corzen Group operates through a sustainable business model:8based on creating shared value with our stakeholders,seeking permanence in the market through legal compliance, respect, and concern for the environment and society.We actively engaged with Global Compact Mexico in one of its initiatives focused on the Decade of Action. In 2023, we participated in the Climate Change Accelerator, through which we established our science-based greenhouse gas emission reduction targets, and in 2024, we participated in the Business and Human Rights Accelerator.Business and Human Rights AcceleratorThe Accelerator prepared us to move from commitment to action on human rights issues. The content allowed us to identify human rights risks and impacts, establish an ongoing due diligence process, and develop an action plan. Based on the United Nations Guiding Principles and the content provided to us, we committed to developing our projects with a human rights focus. We also decided to broadcast our actions through established company channels to raise awareness among all our employees and partners throughout the value chain for better implementation of this approach.Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

Human RightsGRI: 2-23, 2-30For Corzen group, ensuring respect for Human Rights is essential. We proactively support international initiatives, adhere rigorously to regulations, and champion Human Rights across our operations and throughout our value chain.Our Social Responsibility Policy prohibits child labor and forced labor within our company and with our suppliers and contractors. Likewise, we recognize the right of collective bargaining and the right of association in strict accordance with prevailing laws and regulations, both domestically and internationally.We integrated into our policies and operations a strict adherence to the Code of Conduct. This strengthens our team and contributes to the development of a better quality of life at work, equal development opportunities and an improvement in the well-being of our employees and their families. In all the companies of Corzen Group, we reject any incident of discrimination, abuse, and harassment directed towards our employees. It is mandatory that all personnel receive training on Human Rights during their entry to the organization and at least once a year. Additionally, all employees are trained in the Social Responsibility Policy, the Internal Regulations, and the Code of Conduct.Since 2023, we have been identifying risks that could violate Human Rights. Thanks to the Accelerator organized by UN Global Compact, in which we participated in 2024, we have a Human Rights due diligence process and have developed action plans to eliminate and mitigate each of the risks identified in our processes.9Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

At Corzen Group, upholding ethical standards is paramount in every facet of our business operations. In 2024, together with the Hagámoslo Bien association, we conducted a diagnostic assessment of the company's integrity. Among the action plans to strengthen this area, we conducted an ethical risk analysis, updated some procedures, established an Ethics Committee, and decided to integrate the Code of Ethics with the Code of Conduct.Our current Code of Conduct outlines the guidelines and business conduct we must follow, and we strongly reject any form of corruption, extortion, or bribery. All our employees are trained in the Code of Conduct, and all new employees receive instruction on the Code and the various reporting mechanisms.Complaint Mechanisms GRI: 2-26EthicsGRI: 205-2, 205-3The Code of Conduct addresses the following situations and provides protocols to deal with them: Conflict of Interest Corruption Extortion, Fraud, and Bribery Money Laundering Relationships with Third Parties Use and Management of Information10We are open to receiving complaints regarding employee violations of our Code of Conduct through one of our emails: cuentanos@multiceras.comethics@aztec-plumbing.comtransparency@corzengroup.comExternal ComplaintsWe have multiple mechanisms that allow employees to provide suggestions, denounce behavior and violations of the Code of Conduct, and give general feedback to the company. For example, we have suggestion boxes located throughout our facilities, and all employees have direct access to Human Resources personnel.In 2024, we received an internal complaint, which was handled and resolved in accordance with the guidelines. This year, all employees with staff reporting to them received training on the Complaint and Reporting Procedure.Internal ComplaintsWe are open to receiving complaints from any person who detects a violation of our Code of Conduct by any of our employees, through our emails.During 2024 and in previous years, no cases of corruption or breaches of the Code of Conduct have been detected. We remain constantly vigilant through internal mechanisms and with open complaint lines. In 2024, Multiceras and Aztec Plumbing signed the Global Compact Anti-Corruption Initiative. Aware that corruption is a problem that affects society as a whole, the initiative encourages more companies to develop concrete integrity and anti-corruption actions. By joining this initiative, the Global Compact provides us with social recognition by publishing a message from our CEO and the company's logo on its microsite.To ensure respect for Human Rights and prevent behavior that conflicts with our values, we have established a confidential system for receiving both internal and external complaints. This system guarantees non-retaliation for all complainants.Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

External Initiatives Sustainable Sourcing GRI: 2-23Aligned with our vision of integrating sustainability throughout every facet of our company's operations, we aspire to cultivate a supply chain that shares our values and aligns with the ethical, social, and environmental standards we have defined as a corporate group.As part of our commitment to ethical and sustainable purchasing, we implemented the Supplier Recognition Program, based on delivery efficiency and sustainability criteria. 11In October 2012, we adhered to the Ten Principles of the UN Global Compact regarding human rights, labor, environment, and anti-corruption. Since then, we have actively participated in the initiatives of the Global Compact Mexico and in 2024 we reiterate this commitment by sharing our good practices and reporting our actions, understanding our responsibility to achieve the United Nations 2030 Agenda.To adopt international standards regarding ethical trading, we have included the ETI Code in our policies.The Global Reporting Initiative is an independent international initiative that helps companies be more transparent and take responsibility for their impact through a common language, providing a standard for sustainability reporting.United Nations Global CompactEthical Trading InitiativeGlobal Reporting Initiative11 GRI: 308-1 Throughout 2024, we meticulously assessed the sustainability questionnaires of all our suppliers, spanning both Multiceras and Aztec Plumbing. Each supplier received a certificate acknowledging their performance, accompanied by a request to endorse the Supplier Code, signifying their commitment to compliance with our stipulated standards.This initiative not only facilitates a deeper comprehension of our value chain but also fortifies our dedication to sustainable development, empowering us to lead comprehensive projects with significant environmental and social impact.Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

One of our pillars of social responsibility is our employees. Each employee is key to our success and part of what makes Multiceras and Aztec Plumbing leading companies.We value the commitment of our employees and provide awards to those who meet five-year milestones with the company. In 2024, 9 awards were given at Multiceras and 8 at Aztec Plumbing: We respect the right to collective bargaining, and 100% of employees working in operations have a collective labor contract that local authorities have approved.We outsource some security, cleaning, and first aid services to external contractors. Social Performance Our People GRI: 2-7, 2-30, 401-1, 401-3, 405-1Year202281 23 104 38 %2.63 %18.25 %8.25 %2.76 %1 Woman and 21 Men39 Women and 4 Men4236 %38 %1121172724859320232024WomenMulticerasAverage monthly rotationAverage monthly absenteeism New hiresParental permitsAztec PlumbingTotalPercentage of personnel with a collective contractMenEmployment data for 2024: 12Multiceras Aztec PlumbingMulticerasYear202217 49 66 89 %91 %92 %89957178181720232024Women TotalPercentage of personnel with a collective contractMenAztec Plumbing3 people1 person1 person1person1 person3 people3 people2 people5 years 5 years10 years 15 years 20 years 30 years 10 years 15 yearsIndex Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix2 people35 years

At Corzen Group, inclusion is part of our culture. We seek the development of our employees without any discrimination. In our policies and internal procedures, discrimination due to gender, religion, ethnicity, or sexual orientation, as well as human rights violations, are prohibited.We support equal opportunities for men and women. In 2024, 33% of the administrative staff were women, and 21% of them were occupying key positions within the organization.In 2024, there were no reported instances of discrimination.We empower our employees with the resources they need to expand their knowledge, drive innovation, and enhance productivity. Through strategic investments in courses and training programs, we cultivate a culture of continuous learning and professional development.In the past year, we proudly facilitated the enrollment of 12 employees in the esteemed Future Leaders course offered by ThePower Business School. This initiative not only enriches their understanding of business dynamics but also deepens their insights into our company's operations.Furthermore, as part of our commitment to fostering growth and excellence, all administrative staff undergo regular performance evaluations. Here are the outcomes for 2024:Equality and No Discrimination GRI: 405-1, 406-1Training and Evaluation GRI: 404-1, 404-2, 404-3 32 MulticerasAztec Plumbing13108 Courses1,931Training Hours19Average hours of training per year per employee1English scholarship13Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix175 Courses2,984Training Hours29Average hours of training per year per employee$544,737 MXNUSD $ 27,237Total investment12English scholarship$40,800 MXNUSD $ 2,040Total investment

Numerous facets of our operations entail the handling of chemicals, hot materials, and steam, posing potential risks to our workforce. As a proactive measure to prevent injuries, we conduct meticulous risk analyses in designated areas, involving key personnel in the process. Every incident, whether classified as a minor injury or a major accident, undergoes a comprehensive investigation aimed at uncovering its root causes. The findings of these investigations are meticulously integrated into our internal methodologies to strengthen our preventive measures and mitigate the likelihood of future occurrences.In 2024, we carried out evacuation drills involving all personnel who work on-site. Drills were carried out during the day and night shifts.0 0607.40120 084,997028.20162,317MulticerasAccidents (major injuries) Incidents (minor injuries)Fatalities as a result of work-related injuryTotal number of hours workedRate of recordable work-related injuriesRate of fatalities as a result of work-related injury Aztec Plumbing14Ensuring the safety of our employees is our top priority. We regularly invest in upgrading our infrastructure and collaborate closely with our personnel to enhance their preparedness for emergencies. Upon joining any of our companies, all staff members undergo comprehensive safety training to familiarize themselves with our protocols and procedures. Additionally, our dedicated brigades and committees receive annual training sessions to further reinforce their expertise in handling emergencies effectively.SafetyGRI: 403-1, 403-2, 403-4, 403-5, 403-926 23 26 4 14Evacuation, Search and Rescue BrigadeFirefighters Brigade First Aid Brigade Legal Requirements Committee Health and Safety Committee Number of people who received trainingRate of high-consequence work-related injuries (excluding fatalities)Safety data for 2024:Our Goal: 0 Accidents01MulticerasAztec Plumbing0400Accidents 2022 2023 2024Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

Health GRI: 403-3, 403-6, 403-815We also offer safe and clean facilities for all our employees. We have a dining room, nursing station, and lactation area.In 2024, we focused on introducing new employee health and wellness initiatives which strengthen our existing initiatives, such as the Minu platform.100% of staff enjoy the following benefits:Ambulance serviceFirst aidSmoke-free environmentVaccine campaignsVisual health aidYearly health exams Additional Health BenefitsAt Corzen Group, the well-being of our employees is of paramount importance. For this reason, we have implemented different awareness campaigns and programs around topics such as nutrition, disease prevention, and promotion of physical activities.Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

16In order to cultivate an atmosphere characterized by transparency and trust, we prioritize ongoing dialogue facilitated by various practices and events aimed at actively listening to all members of our team. Employees receive benefits and incentives beyond those required by law, which allow them to have a higher quality of life: Additional salary bonusesBonus and days off for birth or adoption of children, death of family members, and marriageChristmas bonus for employees’ childrenEducation aid for employees’ childrenFull days and half days off, additional to those required by lawIntegration eventsPersonnel transportationCommunication and Well-beingBreakfast with ManagementBreakfasts with Management are an instrument that promotes the interaction and participation of all employees to express their opinions and suggestions to management. This format is attended by the CEO, the Human Resources Manager, the Operations Manager, and the Union Leader, as representative of the workers.MINU PlataformMinu was launched and implemented for the well-being of our employees. This benefits platform offers financial, physical, and mental health services. Some of the benefits include a savings account, a discount club, telemedicine, utility payments, loans, insurance, and complementary assistance. Additionally, the new platform will be responsible for managing new food vouchers. Training was provided to all Corzen Group employees to ensure proper use of the platform.GRI: 403-6Sport ActivitiesTo promote the health and well-being of employees, the company sponsors participation in monthly recreational races with distances of 1k, 5k, 10k and 15k.As is tradition, employees from all areas of the organization have come together for several years now to form a soccer team, in which sportsmanship and healthy camaraderie are encouraged.Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

We are committed to innovating and improving the efficiency of our operational processes, thus reducing our negative impact on the environment. We have a series of policies that guide our business actions in relation to environmental issues.Corzen Group companies (Multiceras and Aztec Plumbing) commit to reducing Scope 1 and Scope 2 absolute GHG (Greenhouse Gas) emissions by 42% starting from the 2020 base year by 2030; and to measure and reduce their Scope 3 emissions.At Corzen Group, we are committed to protecting and conserving the environment, to preventing injury and illness in the workplace, and to providing a safe working environment by complying with legal requirements and best practices.EnvironmentEnvironmental Goals Environmental PolicyIn 2022, following the recommendations of the Science Based Target Initiative (SBTi), we updated our targets which are now aligned with our commitment to the 2030 Agenda. By 2030, 50% of our energy will come from renewable sources. CO EmissionsEnergy17GRI: 305-5Tons of CO2 equivalentPercentage reduction from base year 20201,67920202021202220231,543- 8 %1,565- 7 %1,422- 15 %MULTICERASTons of CO2 equivalentPercentage reduction from base year 20201362020202120222023126- 7 %126- 7 %157+ 16 %AZTEC PLUMBINGMULTICERASEnergy Produced by Solar Panels (MWh)Energy from CFE (MWh)Percentage of energy coming from renewable sources366645 %2020202120222023656609 %616239 %6155310 %AZTEC PLUMBINGEnergy Produced by Solar Panels (MWh)Energy from CFE (MWh)Percentage of energy coming from renewable sources2218910 %20202021202220233019513 %2519112 %3221913 %Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix20241,497- 11 %2024188+ 38 %Note: In previous years, LP Gas was reported only in Multiceras, but it is currently reported in both companies proportionally. 20246557410 %20243023811 %

GRI: 302-1, 302-4, 305-1, 305-2, 305-5Climate Change * Tons of CO Equivalent. Includes Greenhouse Gases: CO, CH y NO18At Corzen Group, we acknowledge the significant adverse effects of Greenhouse Gases (GHG) on the atmosphere and their contribution to global warming. In response, we are committed to obtaining accurate data to assess our climate change footprint effectively. Moreover, we proactively champion initiatives aimed at setting GHG reduction targets across all sectors of our business.Our commitment to the planetEnergy (MWh)Natural Gas (m)LP Gas (l)Fuel (l)Total623472,1259,20495,0362711,036162421,565553447,33713,53568,559574457,83518,85380,6952551,005322051,497242982231751,422Multiceras2022 2023 2024Ton CO Eq*Energy (MWh)Fuel (l)LP Gas (l)TotalAztec Plumbing2022 2023 2024Ton CO Eq* Ton CO Eq*Ton CO Eq*Ton CO Eq*Ton CO Eq*Our carbon footprint is composed as follows:1912,85021,475Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix837361262193,09731,582968531572382,68943,990106775188In 2024, we established the Environmental Improvement Committee to monitor our emissions and meet established goals.

In 2019, we installed solar panels, seeking to boost our own electricity generation from renewable sources. Our carbon footprint by scope is composed as follows:At Aztec Plumbing, we have a current capacity of 38 MWh per year. In 2024 the energy production was 30 MWh, representing 10 % of the energy consumed11 % of the energy consumed19 GRI: 303-5WaterAll calculations were obtained through the company's internal measurement system and using the emission factors available in the National Registry of Emissions of the Ministry of Environment and Natural Resources of the Mexican Government.Direct emissions of greenhouse gases (GHG) Scope 1 1,294 271 1,565 1,180 242 1,422Aztec Plumbing 2022 2023 2024Indirect emissions of greenhouse gases (GHG) Scope 2 MulticerasTons of CO Equivalent 2022 2023 20241,242 2551,4974383126619615782106188Water is a vital natural resource for our operations, as it is necessary for its conversion to steam used to heat our production tanks and as a raw material in some of our products.Multiceras3,958630Water (m)2022 2023 20243,4151,6384,7682,453Aztec PlumbingGRI: 302-4Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendixRenewable Energy In 2024, we increased the number of solar panels for Multiceras, reaching a capacity of 288 MWh per year. That year, the energy production was 65 MWh, representing

Recycled waste (Tons) We recycle cardboard and palletsHazardous waste (Tons)Special handling waste (Tons)* 104197Multiceras2022 2023 2024During 2024, we continued with several reduction initiatives such as the following:Control of material consumption, as well as responsible provisionNegotiation with suppliers to improve and reduce the packaging of raw materials received*These wastes are handled by a company certified by the local authority.GRI: 306-3, 306-4, 306-5Circular EconomyWe measure our consumption of materials, apply mechanisms to reduce their use, increase waste recycling, and develop projects to reduce the amount of waste in public landfills or hazardous waste. In 2023, we began purchasing boxes made of recycled materials for our wax rings.203989266495Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendixRecycled waste (Tons) We recycle cardboard and palletsHazardous waste (Tons)Special handling waste (Tons)* --262022 2023 2024100-25110325Aztec Plumbing

GRI: 101-1, 101-2, 101-4BiodiversityOur Biodiversity policy is seamlessly integrated within our broader Social Responsibility framework. Within this policy, we acknowledge the critical significance of safeguarding biodiversity and pledge to responsibly utilize natural resources.We responsibly harness natural resources in strict adherence to national legal frameworks and relevant regulations, aiming to spearhead holistic sustainable projects that generate positive social and economic impacts for communities.Candelilla is listed in Appendix II of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), a designation that governs its international trade. This classification is crucial in preventing harvesting rates that could jeopardize the survival of the Candelilla species.To harvest the Candelilla plant, residents of the communities situated in the plant's region must secure a Harvesting Permit authorized by the Mexican Ministry of Environment and Natural Resources (SEMARNAT).Multiceras' team of forestry engineers assists communities in obtaining these Harvesting Permits. Furthermore, we offer training to rural producers (Candelilleros) on the specifications outlined in the official Mexican standard (NOM-018-RECNAT-1999 *), which delineates the proper procedures for the sustainable utilization of the Candelilla plant.To lawfully export Candelilla wax, a CITES permit must be obtained from SEMARNAT (Mexican Ministry of Environment and Natural Resources). SEMARNAT oversees the verification of the product's legal origin and ensures compliance with harvesting permits issued to each community. Multiceras only exports Candelilla wax that complies with all regulations. * https://biblioteca.semarnat.gob.mx/janium/Documentos/Ciga/libros2009/DO2264.pdf21Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

Multiceras is a leading Mexican corporation specializing in the design, production, and distribution of natural, synthetic, and petroleum waxes, along with complementary products for diverse industrial applications. Our company is driven by an interdisciplinary team dedicated to fostering innovation and creativity, all while adhering to a sustainability model rooted in ethics, human rights, and environmental stewardship. Our overarching goal is to craft business solutions that enhance the competitiveness of our clients' products and services on a global scale.At Multiceras we provide reliable and personalized solutions that contribute to the competitiveness of our customers.To be a global competitor and a contributor to the success of our customers, employees, suppliers, and community.MissionVisionWe cater to over 30 diverse industries spanning from school supplies, cosmetics, and pharmaceuticals to industrial coatings. This diversity prompted us to establish Strategic Business Units (SBUs) to better serve to customers with similar market segments and needs.Our first SBU, Volkom, specializes in serving clients requiring large product volumes for industrial applications, such as wood boards or drywall, as well as packaging and cardboard. Meanwhile, our second SBU, Alkento, focuses on clients in the personal care, food, and pharmaceutical industries.Other sectors, including adhesives, sealants, polishes, and school supplies, among others, continue to receive direct service from Multiceras.22GRI: 2-1Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

ProductsGRI: 2-6ApplicationsOur solutions are used in more than 30 different applications, from cosmetics and pharmaceuticals to industrial coatings.Being aware of the products that reach the final consumer, we are very clear about why we create solutions that transform the world into a more sustainable and efficient one.At Multiceras we focus on developing specific solutions for each client. We offer a broad portfolio in more than 25 countries around the world.Candy coating waxes and gum baseExfoliating agents for skin careFood release agentsSpecialty waxes and esters for cosmeticsFormulations for crayons and modeling clay Polishing waxesWaxes and resins for pigments and TTR Other Industries23GRI: 2-6Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

Location and Markets MarketsStrategic Allies24GRI: 2-1, 2-6Our production plant is located in García, Nuevo León, Mexico. We have administrative offices in Cuatro Ciénegas and Saltillo, Coahuila. United StatesCanadaColombiaMexicoAdditionally, we have sales representatives in Mexico City, as well as different national and international strategic allies:JapanFranceSpainGermanyUnitedKingdomIndex Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

Circular EconomyThe circular economy is an essential part of various projects. Therefore, we continually explore new sources of materials that we can integrate and give added value, to give them opportunities in the different markets where we are present. Deodorized Candelilla WaxWe provide solutions and opportunities for new ingredients in the food industry. Deodorized Candelilla Wax is an ultra-refined wax with reduced aroma and flavor and excellent structuring properties for vegetable oils. It also does not interfere with the organoleptic properties of the final product, making it ideal for food applications where alternatives to saturated and trans fats are sought.Micronized WaxesWe offer micronized waxes that expand their applications, providing new textures, appearance, and protection. They are ideal for the manufacture of personal care products such as compact powders, eyeshadows, blushes, and more. These waxes can also be used in the application of inks or as lubricating agents.Innovation25Biodegradable ExfoliantsWe develop microspheres made with natural waxes such as Candelilla wax, which can be used as a substitute for polyethylene-based exfoliants.Innovation with ImpactOur projects aim to create a better world, through the preservation and improvement of the environment. For this reason, we incorporate strategic lines that allow us to develop innovative solutions to generate functional ingredients through natural and sustainable processes. Collaboration with Institutions and Research CentersWe promote scientific and technological research with educational institutions in the region with the goal of exploring new specialty ingredients that add value to our customers.Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

Certifications, Audits, and AwardsGRI: 2-23In terms of Quality certifications, we have had the ISO 9001 certification since 2000. In 2024, we conducted an audit and obtained ISO 9001-2015 certification, valid for three years.We seek continuous improvement through periodic internal and external Social Responsibility audits. In May 2024, we were assessed in person through the SMETA 6.1 audit of 4 pillars (Labor Standards, Health and Safety, Environment, and Business Ethics), obtaining zero non-conformities, which grants a validity of three years.In order to provide our customers with a verification process of their value chain, we are voluntarily evaluated annually by Ecovadis, allowing us to integrate continuous improvement into our social compliance processes and generate excellent value for our customers. In December 2022 we obtained a Gold rating. 26In 2024, CEMEFI (Mexican Center for Philanthropy) awarded us the Socially Responsible Company Distinction statuette for the eleventh year. This Distinction ratifies our commitment to social responsibility, impacting environmental, social and governance criteria through our work.Socially Responsible Company AwardEcovadisSocial Responsibility Audits ISO 9001-2015Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

Associations GRI: 2-28Multiceras participates in various chambers and associations to promote better business practices, share information, and lobby national and international regulatory bodies to support the market.The organizations in which we participate are: 27During 2024, we regularly attended sessions of the Nuevo León Agrifood Cluster, specifically participating in its Sustainability and Social Responsibility Committee.We are members of the IntegraRSE Network to share best sustainability practices among companies in the state of Nuevo León.At the invitation of the Agrifood Cluster, we visited the facilities and working methods of the Cáritas Food Bank in Monterrey.We participated in an event to recognize the ESR Distinction for companies in Nuevo León by the SumaRSE Network.Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

Sustainability Strategy – MulticerasGRI: 2-22, 3-1, 3-2At Multiceras, we are aware of the impact that our operations have on value chains, which is why we focus our sustainability strategy on three lines:28We updated our Materiality Analysis in 2021 to complement our sustainability strategy. This is a process used to identify a company's economic, environmental, and social impacts and its value chains. Subsequently, we had to consult our stakeholders to determine the priority of the issues identified. To achieve this, we invited customers, suppliers, employees, shareholders, and the management team to answer the questionnaire.We continually integrate these principles into company policies and initiatives and analyze and monitor our progress. We promote a corporate culture in adherence with ethics, respect for Human Rights, and social responsibility. In addition, we encourage the development of our employees, as well as their health and safety. We promote the sustainable use of Mexico's endemic natural resources and the socio-economic development of communities. Within our facilities, we establish projects to responsibly reduce our use of natural resources.Through our innovation team, we seek the integration of technology and the use of new species to meet the needs of our customers and reduce their environmental impact through our products.CultureSustainable PracticesInnovationIndex Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

Consultation with StakeholdersGRI: 2-29To maximize the company's economic value sustainably, to ensure its long-term survival and leadership position in the market, and to comply with the law and ethical considerations.Annual shareholders meetings. Quarterly board meetings. Executive meetings.StakeholdersShareholdersCustomersEmployeesCommunityGovernmentSuppliersExpectationsActions TakenCommunication Channels and Frequency To provide customers with trustworthy and personalized solutions that help them compete in their markets.To contribute to the quality of life in our Candelillero communities. To become involved in the communities where we operate. To ensure all operations comply with the law.To establish long-term relationships with strategic partners in our value chain.To guarantee a good working environment, to support initiatives that promote personal and professional development, to ensure employee safety, to promote diversity, and to provide equal opportunities for men and women.Materiality consultation. Establishment and execution of the business strategy. Monthly financial statements.Materiality consultation. Customer audits on quality, safety, environment, management, and social responsibility. Following norms and achieving certifications.Materiality consultation. Bonus and awards program. Code of Conduct. Training programs. Scholarship program. Fulfilling municipal, state, and federal safety and environmental requirements. Adhering to SEMARNAT requirements to ensure Candelilla sustainability. Collaboration with local authorities in areas where we operate or have influence.Materiality consultation. Communication with key suppliers to ensure quality of products and services. Understanding the needs of our Candelillero communities. Volunteering and donations. Getting involved with civic organizations and cooperation with neighboring companies on shared issues.Biannual customer satisfaction survey. Visits to customer premises. Participation in national and international events, such as In-Cosmetics and Suppliers’ Day.Annual working environment questionnaire. Annual evaluations of performance and values. Open channel for complaints.Annual Candelillero survey. Communication with local authorities and Candelilleros through the Department of Agribusiness. Monthly supplier evaluations. Supplier visits. Supplier Recognition Program, based on delivery efficiency and sustainability criteria.Communication with SEMARNAT personnel to process permits. Communication with municipal, state, and federal government. Participation in governmental forums and committees.29Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

Supply Chain GRI: 2-6The second one is our Agribusiness supply chain, which collaborates with local producers to obtain raw materials from the field, through methods that are friendly to the environment, while creating shared value in the communities of the region. One of the most emblematic products of Multiceras is Candelilla wax, which is extracted by independent producers from the Candelilla plant.Domestic and International SuppliersTransport to MulticerasHigh quality manufacturing products following customers’ specificationSales to Domestic and International customersThe Candelilla wax is obtained through a comprehensive Supplier Development program that provides opportunities for community development through the sustainable use of forest resources. This allows us to offer products that are distinguished from our competition by being processed in Mexico and supported by a unique social responsibility program.30At Multiceras, we have two well-defined supply chains. The first one provides us with most of our products, such as emulsions, petroleum-derived products, synthetic waxes, and specific formulations of wax blends. Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

Candelilla Wax Supply Chain Candelillero OrganizationsCandelilla Plant CollectionCandelilla Wax ExtractionTransportationto MulticerasPermits for Exportation and LogisticsSales and Customer ServiceRefinement and Preparation of Final Product According to Customer SpecificationsIn some communities, Candelilleros have organized into Rural Production Societies, which allow members to access the Mexican Social Security Institute (IMSS).Our team of forestry engineers supports Candelillero communities, helping them obtain harvesting permits that allow them to collect Candelilla plants without harming the sustainability of the species. The equipment needed for the extraction is installed in the community, and the extracting agent is provided. In some communities, citric acid has been implemented as an extracting agent. Our buyers visit the more isolated communities, providing the Candelilleros with guaranteed purchase quotas. Our R&D and Innovation teams work with customers to understand their needs and provide solutions through products that have been tailored for them.The exportation of Candelilla wax requires a CITES permit. Our sales department obtains the permits and organizes the logistics needed for shipments.Sales and Customer Service teams ensure that all requirements are met.31GRI: 2-6Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

Allies in Social ResponsibilityIn previous years, our esteemed client Yokozeki has significantly contributed to enhancing the quality of life for the residents of the Candelilla communities. Their generous donations have manifested in various forms, including volunteer efforts and the installation of sturdy roofs in Candelilla wax extraction units.In 2024, Yokoseki's donation was used to improve the conditions of the health center and the community center in the Ejido Presa Rodríguez, Coahuila.32As part of our L’Oreál Solidarity Sourcing initiative, we signed the Candelilla Sustainable Sourcing Agreement, which aims to: The number of beneficiaries in the year 2024 was 116 Candelilleros. As an action plan, Personal Protective Equipment (PPE) was provided to all Candelilleros in the program communities.Provide Candelilleros and their families with access to social security benefits.Improve work safety conditions for Candelilleros through financing the substitution of sulfuric acid with the much safer citric acid in the extraction of Candelilla wax. GRI: 2-23, 413-1Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendixThe Candelilla Institute was founded by Multiceras in 2004, and in 2024 it became a non-profit civil association committed to promoting knowledge and conserving this species of the Chihuahuan Desert. Its objective is to foster sustainable use that becomes a source of income for the inhabitants of the communities living in this region. Additionally, it is an authorized grantee and has launched a Roofs for Pailas project, inviting other partners to join.

For decades, Candelilla wax has been extracted by the inhabitants of the communities of this region through a process of heating water and adding an extracting agent. All equipment and supplies required for this work are supplied free of charge to Candelilleros, who maintain a buy-sell relationship with Multiceras. The law requires that to harvest the Candelilla plant, it is necessary to submit a technical justification study to the Mexican Environment and Natural Resources Ministry (SEMARNAT), which then issues a harvesting permit. Candelilla wax is extracted from the Candelilla plant, which is native to the Chihuahuan Desert. The plant generates a wax coating to avoid dehydration due to the desert's harsh temperatures. In Mexico, Candelilla is found in the semi-arid areas in the states of Chihuahua, Zacatecas, Durango, Nuevo León, and Coahuila. Coahuila is where the largest number of Candelilleros are dedicated to harvesting Candelilla and the extraction of the plant’s wax. At Multiceras, we are deeply committed to fostering shared value within the communities where we operate and hold influence. Beyond our core operations, we actively engage in initiatives aimed at enhancing empathy, communication, and solidarity with community members.GRI: 413-1Community Engagement GRI: 2-23, 413-133Due to the weather conditions of the summer of 2024, volunteer activities were not possible. While volunteers were unable to attend in person, we supported the project by delivering materials for the cleaning and rehabilitation of the health center and community center in the Ejido Presa Rodríguez, in Coahuila. This benefited 130 people living in this community.The plant naturally generates a wax coating that allows it to avoid dehydration from the harsh conditions of the desert.Candelillero Communities Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

To reduce the risks associated with the Candelilla extraction process and to promote greater economic activity in the region, Multiceras has undertaken various initiatives in the communities:34Financing of Administrative ExpendituresTo support Candelillero communities, we opened a forestry office in 2017. The office has a team of forestry engineers who perform all necessary studies and monitor paperwork. In 2024 expenditures amounted to MXN$ 2,774,061 (USD$ 138,703). Guaranteed PurchaseWe guarantee a purchase of certain amounts of Candelilla wax regardless of international demand, providing Candelilleros with a guaranteed income.InfrastructureWe provide Candelilleros with the equipment and tools they need to extract the Candelilla wax. In 2024 we invested MXN$ 1,001,292 (USD$ 50,065) on the purchase and repair of extraction equipment. Extraction AgentIn all the communities where we buy Candelilla wax, we provide the Candelilleros with the extraction agent they will need to carry out the extraction beforehand. This can be Citric Acid or Sulfuric Acid. In 2024, thanks to the normalization of supply chains, the investment in extraction agents was reduced, which was MXN $2,293,836 (USD$ 114,692), an amount equivalent to 48% of the investment made in this concept in 2023.33Communities that have replaced the use of sulfuric acid with citric acid 15%Of the total purchases of Candelilla wax, it is extracted with citric acid.66Candelilleros with access to Social Security$2.8 MDPFunding communities for forestry studies$3.3 MDPInvested in equipment and materials for wax extractionUse of Citric Acid In 2016, our R&D team introduced citric acid as an extracting agent, reducing the risks associated with the use of sulfuric acid. We currently have 33 communities in which the entire wax production is made using Citric Acid, representing 15% of the total purchases of Candelilla wax. Training of ProducersOur staff provide training to Candelilleros in product quality and sustainable forest use.Social SecurityMulticeras is the only Candelilla wax provider that helps Candelilleros access government social security benefits, such as medical services, financial protection in the case of accidents and injuries, and pensions. In 2024 we assisted 66 Candelilleros access social security benefits, with an investment of MXN$ 1,196,921 (USD$ 59,846). 202220232024Communities producing Candelilla wax with Citric AcidPercentage of Candelilla wax produced with Citric Acid Through innovation and the development of new products from Candelilla wax, Multiceras will continue investing in these communities, supporting the use of natural resources in a sustainable way, and promoting economic growth in the region.26 %24 %15 %ÍndicePerfil del CorporativoDesempeño SocialDesempeño AmbientalMulticerasAztec PlumbingVolkom AlkentoAnexos Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix2022 2023 202435 31 33

Aztec Plumbing is dedicated to the manufacture of sealants and accessories for toilets, lubricants, soldering pastes, teflon pastes, plumber's putty, leak detectors, as well as the marketing of products within the faucet segment, solvent cements for PVC and CPVC, teflon tapes and cutting oils.As a proud member of the Corzen Group, Aztec Plumbing boasts a formidable presence in international markets. Within our corporate ecosystem, Multiceras, another key entity, supplies the specialized wax blend integral to one of our flagship products. Strategically situated in García, Nuevo León, Mexico, our two facilities form the backbone of our operations. 35Committed to excellence, our company is powered by an interdisciplinary team that champions innovation and creativity. Aligned with our core values, we embrace a sustainability model anchored in ethics, human rights, and environmental stewardship, ensuring that every aspect of our business reflects our unwavering commitment to responsible practices.At Aztec Plumbing we supply reliable, private-label products that generate prestige for our customers.To be a global competitor and a contributor to the success of our customers, employees, suppliers, and community.Mission VisionGRI: 2-1Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

ProductsGRI: 2-6We offer a wide range of products for the plumbing industry:We have introduced several new products for the plumbing industry to complement our main offering of toilet wax rings. Some were developed by our research staff with our own technology, including our patented Plumbers Putty. Other products are sourced from carefully selected suppliers.Cutting OilLeak DetectorPlumbers Putty PVC cementsSealants and screws for toilet installationPrivate label opportunities (“Our quality behind your brand”)Unconditional service focused on our customers’ needsCustom product designIn 2021, we launched high-quality sink faucets under the Grifen brand to the Mexican market. 36Soldering Paste Teflon pasteTeflon tapeWax-Free sealant for toilet installationWood FillerIndex Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

37We are committed to fostering continuous enhancement by undergoing regular Social Responsibility audits, as per the requests of our clients. In 2024, we successfully fulfilled the criteria outlined in the RESA (Retail Ethical Sourcing Assessment) standard.Furthermore, Aztec Plumbing upholds and adheres to the rigorous standards set forth by the Customs-Trade Partnership Against Terrorism (C-TPAT). To safeguard the integrity of our customers' products, we have implemented stringent security protocols that span across our entire supply chain. In 2023, we achieved satisfactory compliance with an on-site SCAN (Supplier Compliance Audit Network) audit, affirming our commitment to maintaining robust security measures.MarketsAuditsOur supply chain structure is tailored to the specific requirements of each product category. Take our flagship product, the toilet wax ring, for instance. We source the wax raw materials from Multiceras, conveniently located adjacent to our plant. Supply Chain GRI: 2-6This proximity has facilitated a collaborative environment, enabling us to refine wax-blend formulations and guarantee the consistent quality and reliability of our product. Additionally, we partner with local Mexican companies to produce various other wax ring raw materials. Certain components for alternative products are sourced from either Mexican or international firms, while others are manufactured in-house at our facility. GRI: 2-6Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

Sustainability Strategy – Aztec PlumbingGRI: 2-22, 3-1, 3-238At Aztec Plumbing, we manufacture products for the plumbing industry with each client's brand. We are aware of the environmental impact of creating a product that reaches the final consumer, which is why we focus our sustainability strategy on three lines:We promote a corporate culture in adherence with ethics, respect for Human Rights, and social responsibility. In addition, we encourage the development of our employees and their health and safety. Within our facilities, we establish projects to responsibly reduce our use of natural resources.Through our innovation team, we seek to develop products that reduce environmental impacts.CultureSustainable PracticesInnovationTo complement our sustainability strategy in 2021, we updated our materiality analysis. This is a process used to identify companies' economic, environmental, and social impacts and their value chains. Subsequently, we had to consult our stakeholders to determine the priority of the issues identified. To achieve this, we invited customers, suppliers, employees, shareholders, and the management team to answer the questionnaire.We continually integrate these principles into company policies and initiatives and analyze and monitor our progress. Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

To maximize the company's economic value sustainably, to ensure its long-term survival and leadership position in the market, and to comply with the law and ethical considerations.Annual shareholders meetings. Quarterly board meetings. Executive meetings.StakeholdersShareholdersCustomersEmployeesCommunityGovernmentSuppliersExpectationsActions TakenCommunication Channels and FrequencyTo provide customers with trustworthy and personalized solutions that help them compete in their markets.To become involved in the communities where we operate.To ensure all operations comply with the law.To establish long-term relationships with strategic partners in our value chain.To guarantee a good working environment, to support initiatives that promote personal and professional development, to ensure employee safety, to promote diversity, and to provide equal opportunities for men and women.Materiality consultation. Establishment and execution of the business strategy. Monthly financial statements.Materiality consultation. Customer audits on quality, safety, environment, management, and social responsibility. Following norms and achieving certifications.Materiality consultation. Bonus and awards program. Code of Conduct. Training programs. Scholarship program.Fulfilling municipal, state, and federal safety and environmental requirements. Collaboration with local authorities in areas where we operate or have influence.Materiality consultation. Communication with key suppliers to ensure quality of products and services. Volunteering and donation. Getting involved with civic organizations and cooperation with neighboring companies on shared issues.Biannual customer satisfaction survey. Visits to customer premises. Participation in national and international events.Annual working environment questionnaire. Annual evaluations of performance and values. Open channel for complaints.Monitoring progress of annual work plan.Monthly supplier evaluations. Supplier visits. Supplier Recognition Program, based on delivery efficiency and sustainability criteria.Communication with municipal, state, and federal government. Consultation with StakeholdersGRI: 2-2939Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

40Volkom began in 2020 as a Strategic Business Unit within our corporate group, specializing in cutting-edge technology and bespoke solution crafting for industrial sectors. Our focus extends across diverse markets, including construction, automotive, paper, and metal mechanics. With an expansive portfolio, we offer different emulsions engineered for various applications, notably serving as effective moisture barriers among other functions.At VOLKOM we offer personalized solutions and integrated technology that promote the competitive and sustainable development of our clients.To be a global competitor and a reference for the success of our clients, employees, suppliers and community.Mission VisionGRI: 2-1Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendixConstruction - Pulp and PaperCustomized Chemical SolutionsManufacturingIndustries:

41LocationGRI: 2-1ProductsGRI: 2-6The products that Volkom offers are developed to respond to the specific needs of its customers, such as a solution for protection against humidity in the manufacture of wood panels.Volkom products are currently manufactured at the Multiceras facility, located in García, Nuevo León, México.AnticorrosiveAntifoamsAsphalt Curing AdditivesBinders Board EmulsionsConcrete Curing Emulsions CoolantsCutting LubricantsDrywall EmulsionsPolyethylene WaxesSynthetic Waxes Thermal Treatments Wax CoatingsWax LubricantsMarketsApplicationsAt Volkom, we specialize in delivering innovative solutions uniquely crafted to cater to diverse industries and their specific requirements. Our primary focus lies in serving panel and concrete manufacturers within the construction sector, offering tailored solutions to enhance their processes. In the pulp and paper industry, we provide personalized formulas designed for various applications, including paper sizing, pulp production, and specialized products for box coatings like adhesives and antifoams.Moreover, for the manufacturing industry, we excel in developing custom-engineered solutions ranging from lubricants to coatings. These solutions are meticulously formulated to optimize the manufacturing processes of metals, glass, and electrical components. Our offerings span from cooling solutions to effective anticorrosive treatments, ensuring enhanced efficiency and longevity across diverse manufacturing operations.GRI: 2-6 GRI: 2-6Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

42Alkento represents the latest addition to our corporate group's Strategic Business Units, dedicated to pioneering the design, manufacturing, and distribution of raw materials tailored for the cosmetics, personal care, pharmaceutical, and food sectors. These industries demand meticulous attention to certifications, regulatory standards, and an increasing preference for natural products. Our SBU is strategically positioned as a hub for innovation and sustainability, driving forward-thinking solutions to meet the evolving needs of these dynamic markets.Alkento products are currently manufactured at the Multiceras facility, located in García, Nuevo León, México.At ALKENTO we offer personalized solutions and integrated technology that promote the competitive and sustainable development of our clients.To be a global competitor and a reference for the success of our clients, employees, suppliers and community.Mission VisionGRI: 2-1Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendixProducts and ApplicationsGRI: 2-6The Innovation and R&D teams interacts with customers to understand their needs and propose solutions that meet their desired functionality.Alkento products are specifically designed to meet customer needs, whether with natural waxes or blends that fulfill a function within the customer's final formulation.Esters Exfoliating Agents for Skin CareMineral Waxes (Microcrystalline, Paraffin, Petrolatum)Natural and Vegan PetrolatumsResinsVegetable Waxes (Candelilla, Carnauba, Sunflower)Food and Pharmaceuticals43Personal Care and CosmeticsCoating WaxesFood Confectionery WaxesGum-Based FormulationsRelease Agents for the Food Industry

CertificationsGRI: 2-644For the Candelilla wax, we have obtained the Organic certificate with the Ecocert Cosmos standard, which is for applications in cosmetics and personal care.Candelilla WaxMulprox WaxRefined ParaffinIn 2022 we obtained new certifications for several products. We currently have Kosher, Natural Process, Halal, Gluten Free and Vegan certifications. Candelilla WaxCandeuba WaxMulprox WaxRefined ParaffinAs part of our commitment to sustainability and our stakeholders, in 2024 we renewed the Fair for Life certificate by Ecocert for Candelilla wax 7852 Candelilla REAL® Evolve.This certificate guarantees a fair price for the Candelilleros, better working conditions, ensures product traceability and benefits the communities.Organic CertificateFair for Life Certificate The products that have these certifications are:These products, in addition to the aforementioned certifications, also have the vegan certification:Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

GRI Content IndexAppendix45Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix

About This Report Through this Sustainability Report, we present results, activities, and commitments of the Corzen Group, which includes the companies Multiceras, S.A. de C.V. and Aztec Plumbing, S.A. de C.V., from January 2024 to December 2024. This report is published annually, this being the twelfth edition approved by the Executive BoardThe Sustainability department is responsible for gathering and preparing the information presented in this report. This report was made following the guidelines of the GRI (Global Reporting Initiative) published in early 2024, and the publication date of each GRI was added to the index. On this occasion, verification of the Report will not be requested.As Multiceras and Aztec Plumbing are private companies, this Sustainability Report does not include financial statements. Our Management and Finance departments are responsible for keeping all information documented and archived, as well as following all legal requirements.ContactGRI: 2-3Please contact us with any suggestions or to request further information:Mireya MarmolejoSustainability Managermmarmolejo@corzengroup.comRectángulos No. 100 Colonia Arco Vial. CP: 66023García, Nuevo León, México46Multicerashttps://www.unglobalcompact.org/what-is-gc/participants/17892-Multiceras-S-A-de-C-V- Aztec Plumbinghttp://www.unglobalcompact.org/participant/18081-Aztec-Plumbing-S-A-de-C-V-Past reports are published under the companies’ profiles on the Global Compact website: GRI: 2-1, 2-3, 2-4, 2-5, 2-14 Index Corporate ProfileSocial PerformanceEnvironmentMulticerasAztec PlumbingVolkomAlkentoAppendix