Risk Factors Dashboard

Once a year, publicly traded companies issue a comprehensive report of their business, called a 10-K. A component mandated in the 10-K is the ‘Risk Factors’ section, where companies disclose any major potential risks that they may face. This dashboard highlights all major changes and additions in new 10K reports, allowing investors to quickly identify new potential risks and opportunities.

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Risk Factors - ASIX

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Item 1A.

Human Capital Management

As a company, we recognize that our people are our greatest asset and the foundation of our success. We feel a deep sense of responsibility to provide a safe, inclusive and engaging workplace for all our employees and contractors, and strive for a zero-incident safety culture. Our core values of Safety, Integrity, Accountability and Respect guide our day-to-day activities and inform our broader business strategy as we drive safe, stable and sustainable operations through an ownership mentality aligned to shareholder value creation. Our Board, along with management and cross-functional teams, work closely to evaluate and proactively address human capital management topics such as safety, employee development, employee benefits and employee engagement and inclusion.

Employees

As of December 31, 2025, the Company employed approximately 1,410 people. Of this total, approximately 560 are salaried employees and approximately 850 are hourly employees. Approximately 720 employees are covered under collective bargaining agreements that expire between 2028 and 2029. The Company strives to maintain positive and productive relationships with all of its employees, including the unions representing those employees.

Oversight and Management

Our Board and Board committees provide oversight on various human capital management matters. As noted in their respective charters:

•Our Health, Safety, and Environmental Committee oversees policies and programs relating to HSE matters, including process safety, HSE management systems and compliance with HSE regulations and compliance.

•Our Nominating and Governance Committee annually evaluates the effectiveness of our corporate governance framework and corporate social responsibility policies, goals and programs, including oversight of sustainability matters, community engagement and government affairs, as well as such other matters regarding the Company's role as a responsible corporate citizen.

•Our Audit Committee exercises oversight of enterprise risk assessments and risk management including with respect to current and emerging labor and human capital management risks and seeks to mitigate exposure to those risks.

•Our Compensation and Leadership Development Committee is responsible for oversight of the performance, development and retention of senior and executive management necessary to support the growth and success of the Company.

Health and Safety

At AdvanSix, safety is our number one core value — we “Live Safety” in all we do. “Live Safety” is an interdependent concept meaning that employees care not only for their own safety, but for the safety of their teammates and the communities in which we operate.

AdvanSix is a Responsible Care® company with a focus on personal and process safety and advancing as a sustainable enterprise. Responsible Care® is the environmental, health, safety and security performance initiative of the American Chemistry Council (ACC). AdvanSix has demonstrated its commitment to the Responsible Care® Guiding Principles, which encourage ethical leadership, product safety, a culture which reduces and manages process safety risk, reduction of pollution and waste, and continuous improvement in environmental, health, safety and security performance.

As an organization, we maintain a relentless focus on continuous improvement and our vision is zero injuries for employees and contractors. Our CARE program — Courage to Act, Respond and Engage — was launched in 2019 and inspires us to Live Safety in all we do. We use the industry standard Total Case Incident Rate ("TCIR") to measure our ongoing safety performance and compare with benchmarks. TCIR is defined as the number of occupational injuries and illnesses per 100 employees. Our TCIR was 1.48 in 2025, 1.16 in 2024 and 0.97 in 2023.

Engagement and Inclusion

At AdvanSix, we strive for an inclusive work environment that fosters respect for all our coworkers, customers, suppliers and business partners. We value the diversity reflected in the various backgrounds, experiences, and ideas of our directors, employees, contractors, and other stakeholders. We strive to represent the communities in which we operate, celebrate our differences, inspire belonging, and are tenacious in our pursuit of bringing out the best in people both individually and collectively. Our Code of Conduct outlines our commitment to provide employees a workplace that is free from discrimination or harassment (specifically related to gender, race,

disability, ethnicity, nationality, religion and sexual orientation) or personal behavior not conducive to a productive and inclusive work climate. We believe it is important that each employee feels a sense of belonging and is valued as part of the organizational culture we are cultivating, and we feel it is important that each employee sees diverse representation across our AdvanSix team.

We created a program in 2022 for inclusive leadership, ensuring our leaders understand and have the tools to create an inclusive environment where all can thrive. Our third inclusive leadership cohort kicked off a full year of experiential learning commencing in 2024 and concluding in 2025.

AdvanSix also seeks to improve gender equality in the manufacturing industry, starting with supporting science, technology, engineering and math (STEM) education and work in related fields. Supporting Women in Manufacturing (SWiM), an AdvanSix Employee Resource Group, was formed in 2019 with the goal of promoting women in manufacturing, female leadership and growth in STEM-related fields. SWiM seeks to raise awareness on these matters through programs, events and discussions, including networking, professional development, outreach, volunteering and internal programs highlighting leadership and career paths in multiple disciplines. AdvanSix is committed to pay equity for its employees and regularly performs reviews of its compensation practices to evaluate and maintain pay equity in several respects, including by gender, ethnicity and race.

At a national level, AdvanSix continues its participation as a patron level supporter of the American Institute of Chemical Engineers’ ("AIChE") “Doing a World of Good” initiative that actively supports five high priority pillars within the chemical engineering field that align closely with sustainability and environmental, social and governance focus including engagement and inclusion. In addition, AdvanSix supports the Future of STEM Scholars Initiative ("FOSSI"), a national, industry-wide program which provides scholarships to students pursuing STEM degrees at Historically Black Colleges and Universities ("HBCUs") and connections to internships, leadership development and mentoring opportunities. In 2025, we offered summer internships to our FOSSI scholars and two of our FOSSI graduates joined AdvanSix as full-time employees.

Employee Development

AdvanSix seeks to attract the best talent from a diverse range of sources in order to meet the needs of our business now and in the future. We have established strong relationships with community colleges, universities, professional associations and industry groups with a focus on technical positions and development in order to attract talent including by utilizing co-op, internship programs and as a talent pipeline. We have emphasized investing in our talent and focusing on developing our people to incorporate opportunities for advancement based on experiential learning and development. We acknowledge that development is a career-long endeavor and place the greatest emphasis on learning by doing, supported by feedback, training, and self-reflection.

AdvanSix promotes development through training that broadens work-related skills. These include:

•Core competencies for all employees to develop and apply;

•Leadership competencies needed by all employees managing people; and

•Functional competencies that are position specific and used to inform job progression.

We support the continued development of our employees through semi-annual performance and development reviews, including annual enterprise-wide talent development assessments to ensure leadership development and succession planning. We conduct safety and environmental training for new employees as part of HSE orientation, along with job-specific training aligned to roles. Our hands-on coaching and development initiative focused on our front-line teammates is designed to support safe, stable and sustainable operations, providing our operational workforce with the right tools and processes to execute their work efficiently while enabling streamlined decision making to best serve our customers.

A highly trained and engaged workforce is essential for AdvanSix to be our customers’ trusted partner, and those partnerships are built by delivering best-in-class experiences that result in satisfied customers and support shareholder return.

Employee Benefits

Our compensation programs are designed to align employee compensation with Company performance and to provide appropriate incentives in order to attract, retain and motivate our employees. We believe that in order to maintain the strength of our workforce, it is critical to monitor and assess the current business environment and labor market to refine our compensation and benefits programs and other resources available to our employees. We seek to offer compensation that is competitive and consistent with employee positions, skill levels, experience and geographic location. In addition to offering competitive base salaries, AdvanSix structures its compensation programs to balance incentive earnings for both short-term and long-term performance.

Our compensation and benefit programs are designed to support our business strategy through four key objectives:

•Attract and retain best-in-class talent;

•Drive and pay for performance that creates superior results and sustainable stockholder value;

•Manage risk through oversight and sound management; and

•Nurture a culture of employee health and wellness.

Information about our Executive Officers

The executive officers of AdvanSix, listed as follows, are appointed annually by the Board.

There are no family relationships among them or our Board members.

Other Information

Our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and any amendments to those reports are available free of charge on our website (www.AdvanSix.com) under the heading Investors (see SEC Filings) immediately after they are filed with, or furnished to, the Securities and Exchange Commission (the "SEC"). In addition, in this Form 10-K, the Company incorporates by reference certain information from parts of its Proxy Statement for the 2026 Annual Meeting of Stockholders, which will also be available free of charge on our website. Information contained on, or that may be accessed through, our website does not and will not constitute part of this Form 10-K. Our filings with the SEC are also available on the SEC website at www.sec.gov.

We are a Delaware corporation that was incorporated on May 4, 2016. Our principal executive offices are located at 300 Kimball Drive, Suite 101, Parsippany, NJ 07054. Our telephone number is (973) 526-1800. Our website address is www.AdvanSix.com.

Item 1A. Risk Factors

Cautionary Statement Concerning Forward-Looking Statements

All statements other than statements of historical fact included in this Form 10-K including, without limitation, statements under “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations” and in other parts of this Form 10-K regarding our financial position, business strategy and the plans and objectives of management for future operations, are forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). When used in this Form 10-K, words such as “expect,” “anticipate,” “estimate,” “outlook,” “project,” “strategy,” “intend,” “plan,” “target,” “goal,” “may,” “will,” “should,” and “believe,” and other variations or similar terminology and expressions identify forward-looking statements. Such forward-looking statements are based on the beliefs of management, as well as assumptions made by, and information currently available to, our management. They are not guarantees of future performance and actual results could differ materially from those contemplated by the forward-looking statements as a result of certain factors detailed in our filings with the SEC. All subsequent written or oral forward-looking statements attributable to us or persons acting on our behalf are qualified in their entirety by this paragraph. We do not undertake to update or revise any of our forward-looking statements. Our forward-looking statements are also subject to risks and uncertainties that can affect our performance in both the near- and long-term. These forward-looking statements should be considered in light of the information included in this Form 10-K, including, in particular, the factors discussed below. These factors may be revised or supplemented in subsequent reports on Forms 10-Q and 8-K.

Risk Factors

Our business could be affected by various risks, many of which are beyond our control.

Risks Relating to Our Business

The industries in which we operate experience cyclicality which can cause significant fluctuations in our cash flows and may adversely affect our business, financial condition and results of operations.

Our historical operating results reflect the cyclical nature of the industries in which we operate including with respect to our Nylon 6 resin, caprolactam, ammonium sulfate fertilizer, phenol and acetone products. We experience cycles of fluctuating supply and demand for each of our products resulting in changes in selling prices and margins. Periods of high demand, tight supply and increasing operating margins tend to result in increases in capacity and production until supply exceeds demand, generally followed by periods of oversupply and declining prices. Changes in industry and customer trends for our products could adversely affect our business, financial condition and results of operations.

Difficult and volatile conditions in the overall economy, particularly in the United States but also globally, and in the capital, credit and commodities markets could adversely affect our business, financial condition and results of operations.

Our business, financial condition and results of operations could be adversely affected by domestic and global economic conditions and significant volatility in the capital, credit and commodities markets and in the overall economy. These developments, or the perception that any of them could occur, may have a material adverse effect on global economic conditions or on the stability of global financial markets which may affect us and our customers. For example:

•Weak economic conditions, especially in our key value chains and end markets, could reduce demand for our products, impacting our sales and margins;

•As a result of volatility in commodity prices and inflation, we may encounter difficulty in achieving sustained market acceptance of past or future price increases;

•In addition, in the event of continued high inflationary pressure, we may not be able to adjust our pricing or increase our productivity and reduce our costs to a level sufficient to offset increased costs, which could reduce our margins and profitability;

•Market conditions, including those arising from any current or proposed regulatory, tariff, trade or other policies of the U.S. government could result in our key customers experiencing financial difficulties and/or electing to limit spending, which in

turn could cause decreases in demand for our products, decreased product prices and lower volumes and margins, potentially resulting in decreased sales and earnings;

•Under difficult market conditions, there can be no assurance that access to credit or the capital markets would be available to us or sufficient, and as such, we may not be able to successfully refinance our existing credit facility or obtain additional financing on reasonable terms, or at all; and

•Market conditions and credit availability could adversely affect the financial situation of raw material suppliers and their ability to deliver key materials, thus impacting our ability to run our production facilities at the intended rates.

We are unable to predict the duration of economic conditions, whether current economic conditions may erode further over time, or the effects of such conditions on financial markets or our business and results of operations. Volatility and uncertainty surrounding future economic conditions such as inflation, potential recessionary pressures or rising interest rates may at times make it challenging to identify risks that may affect our business, sources and uses of cash, financial condition and results of operations. If economic conditions deteriorate, our results of operations, financial condition and cash flows could be materially adversely affected.

Any significant unplanned downtime or material disruption impacting any of our production facilities, logistics operations or information technology infrastructure, or any third party on which we rely, may adversely affect our business, financial condition and results of operations.

We seek to run our complex production facilities on a nearly continuous basis for maximum efficiency and we rely on the integrity of our logistics operations for the uninterrupted operations of our business. While we have made significant annual capital improvements at our manufacturing plants and utilize maintenance excellence and mechanical integrity programs, operational issues have occurred for us in the past and may occur in the future, which could cause damage to our manufacturing and production equipment and ancillary facilities as well as unplanned downtime.

As a result of the scale and quantity and range of our product offerings, as well as the significant level of integration across our manufacturing facilities, we are exposed to increased risk associated with unplanned downtime or material disruptions at any one of our production facilities, which have occurred in the past and which may occur in the future, and which adversely impact our supply chain and our manufacturing process. At the time of any unplanned interruption at our production facilities, we may not have enough intermediate chemical inventory at any given time to offset production losses. Our business interruption insurance coverage may not cover all costs or losses associated with unplanned downtime, or such insurance may not continue to be available in amounts or on terms acceptable to us, or at all. Moreover, taking our production facilities offline for regularly scheduled repairs can be an expensive and time-consuming operation and carry the risk that discoverable items and delays during the repair process may cause additional unplanned downtime. Any such unplanned downtime or interruptions in our production capabilities at any of our production facilities may adversely affect our production costs, product lead times, our ability to supply our customers on a timely basis, potential loss of customers, and our earnings during the affected period, which in turn would adversely impact our business, financial condition and results of operations.

Our production facilities and logistics operations, as well as those of our suppliers or other third parties on which we rely, are also subject to the risk of catastrophic loss and material disruptions due to unanticipated events, such as unexpected repairs or other operational and logistical problems, severe weather conditions, personal injury or major accidents, prolonged power failures, chemical spills, fires, explosions, acts of terrorism, earthquakes, pandemics or other natural disasters, that we or such third party may experience. While we seek to mitigate our risk of unplanned interruptions, we have experienced such unplanned interruptions in the past with respect to both our operations and the operations of third parties as described in our reports filed or furnished with the SEC, and there is no assurance that we or other third parties on which we rely will not experience unplanned interruptions in the future. In addition, disruptions to our information technology infrastructure from system failures, shutdowns, power outages, telecommunication or utility failures, cybersecurity incidents, and other events, including disruptions at our cloud computing, server, systems and other third party IT service providers, or as a result of system upgrades or digital transformation, could interfere with our operations, interrupt production and shipments, damage customer and business partner relationships, and negatively impact our reputation. Depending on the nature, extent and length of any interruption from any such event, the results could adversely affect our business, financial condition and results of operations.

Raw material price fluctuations and the ability of key suppliers to meet delivery requirements can increase the cost of our products and services, impact our ability to meet commitments to customers and cause us to incur significant liabilities.

The cost of raw materials, including cumene, natural gas and sulfur, is a key element in the cost of our products. Our inability to offset material price inflation through increased prices to customers, formula-based or long-term fixed price contracts with suppliers, productivity actions or commodity hedges could adversely affect our business, financial condition and results of operations.

Although we believe that our sources of supply for raw materials are generally appropriate for our expected needs, it is difficult to predict the impact that shortages of raw materials or price increases may have in the future. Our ability to manage inventory and meet delivery requirements may be constrained by our suppliers’ inability to scale production and adjust delivery of long lead-time products during periods of fluctuating demand. Our inability to satisfy our supply needs would jeopardize our ability to fulfill obligations under contracts, which could, in turn, result in reduced sales and profits, contract penalties or terminations and damage to customer relationships.

When possible, we have purchased, and we plan to continue to purchase, raw materials, including cumene, natural gas and sulfur, through negotiated medium- or long-term contracts. To the extent we have been able to achieve favorable terms in our existing negotiated contracts, we may not be able to renew such contracts at the current terms or at all, and this may adversely impact our results of operations. Further, if the markets for our raw materials significantly change, we may be bound by the terms of our existing supplier contracts and obligated to purchase raw materials at disadvantaged terms as compared to other market participants.

Disruptions in transportation or significant changes in transportation costs could adversely impact our business, financial condition and results of operations.

We rely heavily on third party transportation to deliver raw materials to our facilities and ship products to our customers. Transport and pipeline operators are exposed to various risks, such as extreme weather conditions, natural disasters, work stoppages, personnel shortages, and operating hazards, as well as interstate and international transportation requirements. If we experience transportation problems, or if there are other significant changes in the cost of these services, we may not be able to arrange efficient alternatives and timely means to obtain raw materials or ship products to our customers. We seek to maintain appropriate buffer inventory of intermediate chemicals necessary for our manufacturing process, which is intended to mitigate the extent of any delays or disruptions in supply chain logistics. However, our failure to obtain raw materials, ship products or maintain sufficient buffer inventory could materially and adversely impact our business, financial condition and results of operations.

The loss of one or more of our significant customers could adversely affect our business, financial condition and results of operations.

Our business depends on significant customers, many of whom have been doing business with us for decades. The loss of one or several significant customers may have an adverse effect on our business, financial condition and results of operations. In 2025, our 10 largest customers accounted for approximately 40% of our total sales across all product lines. Our largest customer is Shaw, one of the world’s largest consumers of Nylon 6 resin and caprolactam. We sell caprolactam and Nylon 6 resin to Shaw under a long-term agreement. We typically sell to other customers under master services agreements, with primarily one-year terms, or by purchase orders. If our sales to any of our significant customers were to decline, we may not be able to find other customers to purchase the excess supply of our products. The loss of one or several of our significant customers, or a significant reduction in purchase volume by any of them, or significant unfavorable changes to pricing or other terms in contracts with any of them, could have an adverse effect on our business, financial condition and results of operations. We are also subject to credit risk associated with customer concentration. If one or more of our largest customers were to become bankrupt or insolvent, or otherwise were unable to pay for our products, we may incur significant write-offs of accounts that may have an adverse effect on our business, financial condition and results of operations.

Our operations and growth projects require substantial capital, and we may not be able to obtain additional capital that we need in the future on favorable terms or at all.

Our industry is capital intensive, and we may require additional capital in the future to finance our growth and development, upgrade and improve our manufacturing capabilities, satisfy regulatory and environmental compliance obligations, achieve sustainability priorities or goals adopted by the Company, implement further marketing and sales activities, fund ongoing R&D activities, and meet general working capital needs. Our capital requirements will likely depend on many factors, including acceptance of and demand for our products, the extent to which we invest in new technology, new products and R&D projects and the status and timing of these developments. Our capital projects and other growth investments may have lengthy deadlines during which market conditions may deteriorate between the capital expenditure’s approval date and the conclusion of the project, negatively impacting projected returns on our investments. Delays or cost increases related to capital and other spending programs, including those relating to plant improvements and development of new technologies, could materially adversely affect our ability to achieve forecasted operating results. In addition, we may need to seek additional capital in the future, and debt or equity financing may not be available to us on terms we find acceptable, if at all. Circumstances involving limited liquidity, defaults, non-performance or other adverse developments that affect financial institutions, transactional counterparties or the financial services industry generally, or concerns about any events of these kinds or other similar risks, have in the past and may in the future lead to market-wide liquidity problems, which could significantly impair our access to funding sources or other credit arrangements in amounts adequate to finance our current and future business operations or could result in less favorable commercial financing terms, including higher interest rates or costs and tighter financial and operating covenants, or limitations on access to credit and liquidity sources, thereby making it more difficult for us to acquire financing on acceptable terms or at all. If we incur additional debt or raise equity through the issuance of our preferred stock, the terms of the debt or our preferred stock may give the holders rights, preferences and privileges senior to those of holders of our common stock, particularly in the event of liquidation. If we raise funds through the issuance of additional common equity, ownership in AdvanSix would be diluted. We believe that we currently have adequate capital resources to meet our projected operating needs, capital expenditures and other expected cash requirements. However, we may need additional capital resources in the future, and if we are unable to obtain sufficient resources for our operating needs, capital expenditures and other cash requirements for any reason, our business, financial condition and results of operations could be adversely affected.

Our competitive position, as well as our failure to develop and commercialize new products or technologies to address our customers’ needs and to effectively compete, could adversely affect our business, financial condition and results of operations.

Competition in the industries we serve is based on factors such as price, product quality and service. Additionally, the markets for our products are characterized by significant competition, both regionally and internationally, new industry standards, evolving distribution models, customer price sensitivity, and disruptive product and manufacturing process innovations. In addition to changes

in regulations, the impact of health, sustainability, and safety concerns could increase the costs incurred by our customers to use our products and otherwise limit the use of these products, which could lead to decreased demand for these products. Any of these factors could create pressure on pricing and gross margins and could adversely impact our business. As a result, our competitors may be able to deliver greater innovation, respond more quickly to new or emerging technologies and changes in market demand, allocate more resources to the development, marketing and sale of their products, successfully expand into emerging markets, improve their cost structures, or price their products more aggressively than us.

Our continued ability to enhance our existing product offerings, as well as the successful development and commercialization of new products and technologies, are drivers to our future strategy. The development and commercialization of new products and technologies requires significant investment in R&D, capital expenditures, production and marketing. The sales and development cycle for our products is subject to customary budgetary constraints, internal acceptance procedures, competitive product assessments, scientific and development resource allocations and regulatory limitations, many of which may be beyond our control. If we are not able to successfully accommodate these factors to enable customer development success, we could be unable to achieve sufficient sales to reach the level of profitability we may expect or compete effectively. There is no assurance that we will be able to continue to identify, develop, market or, in certain cases, secure regulatory approval for, new products in a timely manner or at all, as may be required to replace or enhance existing products. We cannot be certain that costs incurred by investing in new products and technologies will result in an increase in our revenues or profits. Our ability to keep pace with our competitors and the success of any new products and technologies is uncertain and could adversely affect our business, financial condition and results of operations.

Hazards and compliance costs associated with chemical manufacturing, storage and transportation could adversely affect our business, financial condition and results of operations.

There are hazards associated with chemical manufacturing and the related storage and transportation of raw materials, products and wastes. These hazards could lead to an interruption or suspension of operations and could have an adverse effect on the productivity and profitability of a particular manufacturing facility, or on us as a whole. While we endeavor to provide adequate protection for the safe handling of these materials, issues could be created by various events, including natural disasters, severe weather events, acts of sabotage, human error, and performance by third parties, and as a result, we could face potential hazards such as piping and storage tank leaks and ruptures, mechanical failure, employee exposure to hazardous substances and chemical spills and other discharges or releases of toxic or hazardous substances or gases.

These hazards may cause personal injury and loss of life, damage to property and contamination of the environment, which could lead to government fines, work stoppage injunctions, lawsuits by injured persons, damage to our reputation and brand and diminished product acceptance. If such actions are determined to be adverse to us or there is an associated economic impact to our business, we may have inadequate insurance or cash flow to offset any associated costs. Such outcomes could adversely affect our business, financial condition and results of operations.

Our business, financial condition and results of operations could be adversely affected by litigation and other commitments and contingencies.

We face risks arising from various unasserted and asserted litigation matters, including, but not limited to, product liability and claims for third-party property damage or personal injury stemming from alleged environmental or other torts or otherwise.

Various factors or developments can lead to changes in current estimates of liabilities such as a final adverse judgment, significant settlements or changes in applicable law. An adverse outcome or unfavorable development in any one or more of these matters could be material to our financial results and could adversely impact the value of any of our brands associated with any such matters.

In the ordinary course of business, we may make certain commitments, including representations, warranties and indemnities relating to current and past operations, including those related to divested businesses, and issue guarantees of third-party obligations. Additionally, we may be required to indemnify Honeywell for amounts related to liabilities allocated to, or assumed by, us in connection with our spin-off. If we are required to make any such payments, the payments could be significant and could exceed the amounts we have accrued with respect thereto, adversely affecting our business, financial condition and results of operations.

Any acquisition, strategic relationship, joint venture or investment could disrupt our business and harm our financial condition. Our inability to successfully acquire and integrate other businesses, assets, products or technologies or realize the financial and strategic goals that were contemplated at the time of any transaction could adversely affect our business, financial condition and results of operations.

We actively evaluate acquisitions, strategic relationships, joint ventures, collaborations, and strategic investments in businesses, products or technologies that we believe could complement or expand our business, broaden our technology and intellectual property or otherwise offer growth or cost-saving opportunities. Any of these transactions may be complex, time consuming and expensive, and may present numerous challenges and risks.

Lack of control over the actions of our business partners in any strategic relationship, joint venture or collaboration could significantly delay the introduction of planned products or otherwise make it difficult or impossible to realize the expected benefits of such relationship. An investment in, or acquisition of, complementary businesses, products or technologies could materially decrease the

amount of our available cash or require us to seek additional equity or debt financing. We may not be successful in negotiating the terms of any potential acquisition, conducting thorough due diligence, financing the acquisition or effectively integrating the acquired business, product or technology into our existing business and operations. Our due diligence may fail to identify all of the problems, liabilities or other shortcomings or challenges of an acquired business, product or technology, including issues related to intellectual property, product quality or product architecture, regulatory compliance practices, revenue recognition or other accounting practices or employee or customer issues. Additionally, in connection with any acquisitions we complete, we may not achieve the synergies or other benefits we expected to achieve, and we may incur unanticipated expenses, write-downs, impairment charges or unforeseen liabilities that could negatively affect our business, financial condition and results of operations, have difficulty incorporating the acquired businesses, disrupt relationships with current and new employees, customers and vendors, incur significant debt or have to delay or not proceed with announced transactions. Further, contemplating or completing an acquisition and integrating an acquired business, product or technology could divert management and employee time and resources from other matters.

The occurrence or threat of extraordinary events, including terrorist attacks, may disrupt our operations and could adversely affect our business, financial condition and results of operations.

Due to concerns related to terrorism, we are subject to various security laws including Maritime Transportation Security Act of 2002 (“MTSA”) regulations. Our Frankford and Hopewell facilities are regulated facilities under MTSA regulations due to the nature of our operations and the proximity of the facilities to adjacent waterways. Federal, state, local and foreign governments could implement new, or impose more stringent regulations affecting the security of our plants, terminals and warehouses or the transportation and use of fertilizers or other chemicals. These regulations could result in higher operating costs or limitations on the sale of our products and could result in significant unanticipated costs, lower sales and reduced profit margins. It is possible that federal, state, local and foreign governments could impose additional limitations on the use, sale or distribution of chemicals we produce and sell, thereby limiting our ability to manufacture or sell those products, or that illicit use of our products could result in potential exposure for us. The occurrence of extraordinary events, including future terrorist attacks and the outbreak or escalation of hostilities, cannot be predicted, and their occurrence can be expected to negatively affect the economy in general, and the markets for our products in particular. The resulting damage from any attack on our assets could include loss of life and significant property damage. In addition, available insurance coverage may not be sufficient to cover all of the damage incurred or, if available, may be prohibitively expensive.

Failure to protect our intellectual property could adversely affect our business, financial condition and results of operations.

Intellectual property rights, including patents, trade secrets, confidential information, trademarks, trade names and trade dress, are important to our business. We will endeavor to protect our intellectual property rights in key jurisdictions in which our products are produced or used. However, we may be unable to obtain protection for our intellectual property in such key jurisdictions. Although we own and have applied for numerous patents and trademarks, we may have to rely on judicial enforcement of our patents and other proprietary rights. Our patents and other intellectual property rights may be challenged, invalidated, circumvented, and rendered unenforceable or otherwise compromised. If we must take legal action to protect, defend or enforce our intellectual property rights, any suits or proceedings could result in significant costs and diversion of our resources and our management’s attention, and we may not prevail in any such suits or proceedings. A failure to protect, defend or enforce our intellectual property could have an adverse effect on our business, financial condition and results of operations. Similarly, third parties may assert claims against us and our customers and distributors alleging our products infringe upon third-party intellectual property rights. Such claims could result in significant costs and diversion of our resources and our management’s attention and we may not prevail in any resulting suits or proceedings.

We also rely materially upon unpatented proprietary technology, know-how and other trade secrets to maintain our competitive position. While we institute and maintain policies, internal security measures, and agreements to protect our trade secrets and other intellectual property, any failure to protect this intellectual property could negatively affect our future performance and growth.

Some of our workforce is represented by labor unions and our business could be harmed in the event of a prolonged work stoppage.

Approximately 720 of our employees are covered under collective bargaining agreements that expire between 2028 and 2029, which represents approximately 51% of our employee base as of December 31, 2025. From time to time, we engage in negotiations to renew collective bargaining agreements as those contracts are scheduled to expire. We cannot predict how stable our union relationships will be or whether we will be able to successfully negotiate successor agreements without impacting our financial condition. In addition, the presence of unions may limit our flexibility in dealing with our workforce. We may experience work stoppages, which could negatively impact our ability to manufacture our products on a timely basis and, ultimately, our business, financial condition and results of operations.

We depend on the recruitment and retention of qualified personnel, and our failure to attract and retain such personnel could adversely affect our business, financial condition and results of operations.

Due to the complex nature of our manufacturing business, our future performance is highly dependent upon the continued services of our key engineering personnel, scientists and our senior management team, the development of additional management personnel and the hiring of new qualified engineering, manufacturing, marketing, sales and management personnel for our operations. Competition for qualified personnel in our industry is intense, and we may not be successful in attracting or retaining qualified personnel. The loss of key employees, our inability to attract new, qualified employees or adequately train employees, or any delay in hiring key personnel, could negatively affect our business, financial condition and results of operations.

Cybersecurity threats and incidents continue to increase in frequency and sophistication. A successful cybersecurity attack could disrupt our business operations, result in the loss of critical and confidential information belonging to us, our customers and other business partners, and adversely impact our reputation, financial condition and results of operations.

Global cybersecurity threats and incidents can range from uncoordinated individual attempts to gain unauthorized access to information technology (“IT”) systems to sophisticated and targeted measures known as advanced persistent threats, directed at AdvanSix, its plants and operations, its products, its customers and/or its third-party service providers including cloud providers. The techniques used to obtain unauthorized access to networks, or to sabotage IT systems, change frequently and may become more advanced including through the use of artificial intelligence ("AI"), and are increasingly difficult to detect and prevent, as these attacks are generally not recognized until launched against a target. We may be unable to anticipate these techniques or to implement adequate preventative measures. While we have experienced, and expect to continue to experience, these types of threats, our information technology infrastructure, including cybersecurity controls, is designed to deploy comprehensive measures to deter, prevent, detect, respond to and mitigate these threats including access controls, data encryption, vulnerability assessments, continuous monitoring of our IT networks and systems and maintenance of backup and protective systems. We track cyber performance metrics and conduct training of our employees on protective measures regarding information security, data privacy, cyber-attacks and recognizing phishing attempts. Despite these efforts, cybersecurity incidents, depending on their nature and scope, could potentially result in the misappropriation, destruction, corruption or unavailability of critical data and confidential or proprietary information (our own or that of third parties) and the disruption of our plant operations and business generally or the disruption of the operations and businesses of our vendors or customers. Additionally, we use third-party vendors that may store sensitive data, including confidential information about our employees, and these third parties are subject to their own cybersecurity threats. While our standard vendor terms and conditions include certain safeguards, including requiring the use of appropriate security measures to prevent unauthorized use or disclosure of our data, a breach at these third-party vendors may occur regardless of our efforts to mitigate the possibility of any such breach. The potential consequences of a material cybersecurity incident on our own systems or the systems of those with whom we do business include reputational consequences, safety risk, operational disruptions, physical damage to our assets, claims from and litigation with third parties, fines levied by governmental authorities, diminution in the value of our investment in research, development and engineering, and increased cybersecurity protection and remediation costs, which in turn could, individually or in the aggregate, adversely affect our competitiveness, plant operations, business, financial condition and results of operations. We maintain cyber liability insurance, but this insurance may not be sufficient to cover the losses that may result from a cybersecurity incident.

Data privacy, information security and protection of confidential information may require significant resources and present certain risks.

We maintain, have access to and process certain confidential or sensitive data, including proprietary business information, personal data and other information that may be subject to privacy and security laws, regulations and/or customer-imposed controls. Despite our efforts to protect such information and data, we may be vulnerable to material security breaches, theft, misplaced or lost data, or errors by employees or third-party providers that could potentially cause such information and data to be compromised, or lead to improper use of our systems or networks, unauthorized access, use, disclosure, modification or destruction of information, and operational disruptions. In addition, there are different and potentially conflicting data privacy laws in effect in the domestic and foreign jurisdictions in which we operate, including the General and Data Protection Regulations implemented in the European Union, and we must comply with all applicable laws and standards. Noncompliance with these laws can result in reputational damage, fines and penalties, and enforcement proceedings and litigation, any of which may adversely affect our business, reputation, financial condition and results of operations.

We are subject to risks associated with the potential use of AI in our operations and by third-party providers that we may engage with.

Recent technological advances in AI come with significant risks related to its use across many industries and end markets, as well as an evolving regulatory landscape. Such unauthorized disclosures or uses of information can result, among other things, in reputational harm, loss of confidence by our customers or employees, penalties, litigation costs, or legal liability.

Our industry is increasingly adopting AI technologies to optimize efficiency, enhance the customer experience, manage and mitigate risk, and support decision-making. Competitors that deploy AI more quickly or at greater scale may be able to operate more efficiently, more effectively support customer needs, proactively mitigate risk, or offer new products and services.

If we do not adequately manage the risks described above relating to AI, we could experience reputational harm, ethical challenges, legal liability, regulatory findings or enforcement, losses, fines, and other adverse impacts on our business, operations and financial results. Also, if we do not have sufficient rights to use the data or other material or content on which the AI tools we use rely, or to use

the outputs of such AI tools, we may incur liability through the violation of applicable privacy laws and regulations, or claims of infringement or breach of contract by third parties.

We may be required to make significant cash contributions to our defined benefit pension plan.

We sponsor a defined benefit pension plan under which certain eligible AdvanSix employees who were employed by Honeywell prior to the spin-off earn pension benefits as if they remained employed by Honeywell. Significant changes in actual investment return on pension assets, discount rates, retirement rates and other factors could require unplanned cash pension contributions in future periods. Changes in discount rates and actual asset returns different from our anticipated asset returns can result in significant non-cash actuarial gains or losses. With regard to cash pension contributions, funding requirements for our pension plans are largely dependent upon interest rates, actual investment returns on pension assets and the impact of legislative or regulatory changes related to pension funding obligations. Our pension contributions may be material and could adversely impact our financial condition, cash flow and results of operations. We made no pension contributions during 2025, but may make pension contributions in future periods to satisfy funding requirements.

We may be required to record significant charges from impairment to goodwill, intangibles, and other long-lived assets.

We are required under U.S. Generally Accepted Accounting Principles (“GAAP”) to test our goodwill for impairment annually or more frequently if indicators for potential impairment exist. Indicators that are considered include significant changes in performance relative to expected operating results, significant changes in the use of the assets, significant negative industry or economic trends, or a significant decline in the Company’s stock price and/or market capitalization for a sustained period of time. In addition, we periodically review our intangible and other long-lived assets for impairment when events or changes in circumstances indicate the carrying value may not be recoverable. Factors that may be considered a change in circumstances indicating that the carrying value of our intangible and other long-lived assets may not be recoverable include slower growth rates, the loss of a significant customer, burdensome new laws, or divestiture of a business or asset for less than its carrying value. There are inherent uncertainties in management’s estimates, judgments, and assumptions used in assessing recoverability of goodwill, intangibles, and other long-lived assets. Any material changes in key assumptions, including failure to meet business plans, a deterioration in the U.S. and global financial markets, an increase in interest rates, an increase in inflation, or other unanticipated events and circumstances, may decrease the projected cash flows or increase the discount rates and could potentially result in an impairment charge. We may be required to record a significant charge to earnings in our consolidated financial statements during the period in which any impairment of our goodwill or intangible and other long-lived assets is determined, which could have a material adverse effect on our business, financial condition and results of operations.

Exposure to risks and events beyond our control could adversely impact our business, financial condition and results of operations.

We are exposed to risks from various events that are beyond our control, which may have significant effects on our results of operations. While we attempt to mitigate these risks through appropriate loss prevention measures, we may not be able to anticipate all risks, or to mitigate or reasonably and cost-effectively manage those risks that we do anticipate. We maintain property, cyber liability, business interruption and casualty insurance but such insurance may not cover all risks, loss, damages or expenses associated with our business and is subject to limitations, including deductibles and limits on the liabilities covered. Consequently, our operations could be adversely affected by circumstances or events in ways that are significant and/or long lasting. The risks and uncertainties identified herein are not the only risks and uncertainties that we face. Additional risks and uncertainties not presently known to us or that we currently believe to be immaterial also may adversely affect us. If any known or unknown risks and uncertainties develop into actual events, these developments could have a material adverse effect on our business, financial condition and results of operations.

Risks Relating to Our Indebtedness

We are subject to certain risks associated with our indebtedness.

We are a borrower of funds under a credit facility. Our ability to make payments on and to refinance our indebtedness, including the debt incurred, as well as any future debt that we may incur, will depend on our ability to generate cash in the future from operations or financings. Our ability to generate cash is subject to general economic, financial, competitive, legislative, regulatory and other factors that are beyond our control. In addition, the terms of our indebtedness include a number of restrictive covenants that impose significant operating and financial restrictions on us and limit our ability to engage in actions that may be in our long-term best interests. These restrictive covenants may restrict our ability to take some or all of the following actions:

• Incur or guarantee additional indebtedness or sell disqualified or preferred stock;

• Pay dividends on, make distributions in respect of, repurchase or redeem capital stock;

• Make investments or acquisitions;

• Sell, transfer or otherwise dispose of certain assets;

• Create liens;

• Enter into sale/leaseback transactions;

• Enter into agreements restricting the ability to pay dividends or make other intercompany transfers;

• Consolidate, merge, sell or otherwise dispose of all or substantially all of our assets;

• Enter into transactions with affiliates;

• Prepay, repurchase or redeem certain kinds of indebtedness;

• Issue or sell stock of our subsidiaries; and/or

• Significantly change the nature of our business.

These restrictions may impact our current and future operations, how we conduct our business and pursue our strategy, as well as our ability to incur debt that we may need to fund initiatives associated with our strategy, ongoing operations, competitive industry dynamics and new business opportunities. A breach of any of these covenants, if applicable, could result in an event of default under the terms of this indebtedness. If an event of default occurs, the lenders would have the right to accelerate the repayment of such debt and the event of default or acceleration may result in the acceleration of the repayment of any other debt to which a cross-default or cross-acceleration provision applies. Substantially all domestic tangible and intangible assets of the Company are pledged as collateral to secure the obligation under our credit facility and, in the event we were unable to repay any amount of this indebtedness when due and payable, the lenders could proceed against the pledged collateral. In the event our creditors accelerate the repayment of our borrowings, we may not have sufficient assets to repay such indebtedness, which could adversely affect our business, financial condition and results of operations.

Risks Relating to Legal and Regulatory Matters

Extensive environmental, health and safety laws and regulations applicable to our operations, including initiatives related to discharges into the air and water, hazardous waste, sustainability, global warming and climate change, may result in substantial costs and unanticipated loss or liability, which could adversely affect our business, financial condition and results of operations.

Various federal, state, local and foreign governments regulate the discharge of materials into the environment and can impose substantial fines and criminal sanctions for violations and require installation of costly equipment or operational changes to limit emissions and/or decrease the likelihood of accidental hazardous substance releases. If we are found to be in violation of these laws or regulations, we may incur substantial costs, including fines, damages, criminal or civil sanctions and remediation costs, or experience interruptions in our operations. See “Item 1. Business - Regulation and Environmental Matters” for more information on the environmental laws and regulations to which we are subject.

Primarily because of past operations at our current manufacturing locations and other locations used in our operations as currently conducted, we may be subject to potentially material liabilities related to the remediation of environmental hazards and to claims of personal injuries or property damages that may have been or may be caused by hazardous substance releases and exposures or other hazardous conditions. Lawsuits, claims and costs involving these matters may arise in the future. In addition, changes in laws, regulations and enforcement of policies, the discovery of previously unknown contamination or other information related to individual sites, the establishment of stricter state or federal toxicity standards with respect to certain contaminants or the imposition of new clean-up requirements or remedial techniques could require us to incur additional costs in the future that would have a negative effect on our business, financial condition and results of operations.

Additionally, there are substantial uncertainties as to the nature, stringency and timing of any future regulations or changes in regulations, including discharges into the air and water, handling and disposal of hazardous wastes, remediation of soil and groundwater, and greenhouse gas (“GHG”) and water nutrient regulations. Due to concerns about risks associated with air, water, global warming and climate change, more stringent regulations may be imposed which could require us to incur additional capital expenditures or make changes to our operating activities that would increase our operating costs, reduce our efficiency, limit our output, increase our costs for or limit the availability of energy, raw materials or transportation or otherwise adversely affect our business, financial condition and results of operations. If enacted, more stringent GHG limitations are likely to have a significant impact on us because our production facilities emit GHGs such as carbon dioxide and nitrous oxide and because natural gas, a fossil fuel, is a primary raw material used in our production process. To the extent that GHG or other restrictions are not imposed in countries where our competitors operate or are less stringent than regulations that may be imposed in the United States, our competitors may have cost or other competitive advantages over us. In addition, increasing regulation of fuel emissions could substantially increase the distribution and supply chain costs associated with our products. Consequently, legislative and regulatory programs to reduce emissions of GHG could have an adverse effect on our business, financial condition and results of operations.

Further, there has been public discussion that climate change may be associated with more extreme weather conditions, such as increased frequency and severity of storms, droughts, and floods. Extreme weather conditions have interfered, and in the future may interfere, with our operating activities, disrupt our maritime logistics and intra-plant supply chain, increase our costs of operations or reduce the efficiency of our operations, and potentially increase costs for insurance coverage in the aftermath of such conditions. Long-term, higher average global temperatures could result in changes in natural resources, growing seasons, precipitation patterns, weather patterns, species distributions, water availability, sea levels, and biodiversity. These impacts could cause changes in supplies of raw materials used to maintain our production capacity and could lead to possible increased sourcing costs in the future. Climate-related events, such as extreme weather events, impacting areas where we or our suppliers operate manufacturing facilities may cause suspensions of operations, which could be prolonged, while damage is remedied or renovations are completed, and which could materially impact our operations and financial results. We continually assess our manufacturing plants for risks and opportunities to increase our preparedness for climate change. We are continuing to evaluate sea level rise and storm surge at our plants to understand potential impacts and response actions that may need to be taken. Significant physical effects of climate change could also have an

indirect effect on our financing and operations by disrupting the supply of raw materials to us and transportation or process-related services provided by companies or suppliers with whom we have a business relationship.

There is also a risk that one or more of our key raw materials or one or more of our products may be found to have, or be characterized as having, a toxicological or health-related impact on the environment or on our customers or employees, which could potentially result in our incurring unexpected liability in connection with such characterization and the associated effects of any toxicological or health-related impact. If such a discovery or characterization occurs, we may incur increased costs to comply with new regulatory requirements or to modify the format or use of such substances to reduce or eliminate the impact, or the relevant materials or products, including products of our customers that incorporate our materials or products, may be recalled or banned. Changes in laws and regulations, or their interpretations, and our customers’ perception of such changes or interpretations may also affect the markets or marketability of certain of our products. Additionally, sales of certain of our products such as acetone or amines, may implicate List II or other considerations under the Drug Enforcement Act. Such classifications subject us to compliance audits by the relevant federal and state agencies and place ongoing restrictions on our sales activities.

We have expanded our reporting and investments associated with environmental, social and governance matters and have announced goals regarding our sustainability and corporate social responsibility performance. Our statements and goals for such matters represent our current plans but are not guarantees that we will be able to achieve such goals which may be adversely impacted by available technology, evolving regulatory requirements, availability of suppliers, and capital requirements.

Our operations are dependent on numerous required permits and approvals.

We hold numerous environmental and other governmental permits and approvals authorizing operations at each of our facilities. In addition, any expansion or major modification of our operations is dependent upon securing the necessary environmental or other permits or approvals. A decision by a government agency to deny or delay issuing a new or renewed material permit or approval, or to revoke or substantially modify an existing material permit or approval, could have an adverse effect on our ability to continue operations at the affected facility, or facilities, and on our business, financial condition and results of operations.

We are subject to risks related to adverse trade policies inherent in international sales and associated regulations in certain important markets for our products.

We have exposure to risks inherent in international sales, including difficulties and costs associated with complying with a wide variety of complex laws, treaties and regulations including customs and international trade laws; unexpected changes in political or regulatory environments; earnings and cash flows that may be subject to tax withholding requirements or the imposition of tariffs, exchange controls or other restrictions; political and economic instability; import and export restrictions, tariffs, and other trade barriers or retaliatory actions; fluctuations in foreign currency exchange rates; government takeover or nationalization of business; and government mandated price controls. These considerations limit the countries in which we can do business, the persons or entities with whom we can do business, the products which we can buy or sell, and the terms under which we can do business. As a U.S.-based producer, we are impacted by anti-dumping investigations which have had, and may continue to impose, significant anti-dumping duties on our products. Such duties place us at a significant competitive disadvantage in the applicable markets. In each case, we diligently evaluate our commercial and legal options to defend these investigations and their subsequent sunset reviews and take steps we feel are prudent to protect our interests, including defending our anti-dumping petitions covering imports of acetone and ammonium sulfate with the International Trade Commission (see "Anti-Dumping Duty Petitions - Acetone" under "Recent Developments" in Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations”). Historically, we have sought to plan for these risks through geographical mix management so that the imposition of duties does not materially affect our business results, but such duties could have an adverse effect on the sales of our key product lines and affect our business performance in the future.

There can be no assurance that, in the future, any governmental or international trade body will not institute trade policies or remedies that are adverse to exports from the United States, and we have faced and may continue to face uncertainty with regard to U.S. government trade policy. In 2025, the U.S. imposed tariffs on certain U.S. imports, and China and other countries responded with retaliatory tariffs on certain U.S. exports. The ultimate impact of changing trade policies on our business will depend on various factors, including the magnitude, duration and nature of tariffs. While we actively monitor these developments, we may not be able to fully mitigate the adverse impact of potential tariff initiatives or other trade-related disruptions.

Failure to maintain effective internal controls could adversely impact our ability to meet our reporting requirements.

We are required, under the Sarbanes-Oxley Act of 2002, to maintain effective internal control over financial reporting and disclosure controls and procedures. This includes performing system and process evaluations and testing of our internal control over financial reporting to allow management and our independent registered public accounting firm to report on the effectiveness of our internal control over financial reporting, as required by the Sarbanes-Oxley Act, with auditor attestation of the effectiveness of our internal controls. If we are not able to comply with these requirements, or if we or our independent registered public accounting firm identify deficiencies in our internal control over financial reporting that are deemed to be material weaknesses, the market price of our common shares could decline and we could be subject to penalties or investigations by the NYSE, the SEC or other regulatory authorities, which would require additional financial and management resources.

Effective internal controls are necessary for us to provide reasonable assurance with respect to our financial reports and to effectively prevent fraud. Internal controls over financial reporting may not prevent or detect misstatements because of inherent limitations, including the possibility of human error, the circumvention or overriding of controls, or fraud. Therefore, even effective internal controls can provide only reasonable assurance with respect to the preparation and fair presentation of financial statements. If we fail to maintain the effectiveness of our internal controls, including any failure to implement required new or improved controls, or if we experience difficulties in their implementation, our business and operating results could be harmed, we could fail to meet our reporting obligations, and there could be a material adverse effect on our stock price.

The ongoing process of implementing internal controls requires significant attention from management and we cannot be certain that these measures will ensure that we implement and maintain adequate controls over our financial processes and reporting in the future. Difficulties encountered in their implementation could harm our results of operations or cause us to fail to meet our reporting obligations. If we fail to obtain the quality of services necessary to operate effectively or incur greater costs in obtaining these services, our profitability, financial condition and results of operations may be materially and adversely affected.

Our spin-off could result in significant tax liability.

In connection with our spin-off, if the October 1, 2016 distribution by Honeywell of all of the then outstanding shares of AdvanSix common stock were determined not to qualify for non-recognition of gain and loss under Section 355(e) of the Code, our U.S. stockholders could be subject to tax. In this case, each U.S. stockholder who received our common stock in the distribution would generally be treated as having received a distribution in an amount equal to the fair market value of our common stock received, which would generally result in (1) a taxable dividend to the U.S. stockholder to the extent of that U.S. stockholder’s pro rata share of Honeywell’s current and accumulated earnings and profits; (2) a reduction in the U.S. stockholder’s basis (but not below zero) in its Honeywell common stock to the extent the amount received exceeds the stockholder’s share of Honeywell’s earnings and profits; and (3) a taxable gain from the exchange of Honeywell common stock to the extent the amount received exceeds the sum of the U.S. stockholder’s share of Honeywell’s earnings and profits and the U.S. stockholder’s basis in its Honeywell common stock. A discussion of the material U.S. federal income tax consequences of the spin-off can be found in our Form 10.

If, due to any of our representations being untrue or our covenants being breached, it were determined that the distribution did not qualify for non-recognition of gain and loss under Section 355 of the Code, we could be required to indemnify Honeywell for the resulting taxes and related expenses. Any such indemnification obligation could adversely affect our business, financial condition and results of operations.

Risks Relating to Our Common Stock and the Securities Market

Our stock price may fluctuate significantly and investments in our stock could lose value.

The market price of our common stock may fluctuate widely, depending on many factors, some of which may be beyond our control, including:

•Actual or anticipated fluctuations in our results of operations due to factors related to our business;

•Success or failure of our business strategies;

•Competition and industry capacity;

•Changes in interest rates and other factors that affect earnings and cash flow;

•Our level of indebtedness, our ability to make payments on or service our indebtedness and our ability to obtain financing or refinance our existing credit facility, as needed;

•Our ability to pay dividends or repurchase our common stock;

•Our ability to retain and recruit qualified personnel;

•Our quarterly or annual earnings, or those of other companies in our industry;

•Announcements by us or our competitors of significant acquisitions or dispositions;

•Changes in accounting standards, policies, guidance, interpretations or principles;

•Changes in earnings estimates by securities analysts or our ability to meet those estimates;

•The operating and stock price performance of other comparable companies;

•Investor perception of our company and our industry;

•Overall market fluctuations and volatility unrelated to our operating performance;

•Results from any material litigation or government investigation;

•Changes in laws and regulations (including tax laws and regulations) affecting our business;

•Changes in capital gains taxes and taxes on dividends affecting stockholders; and

•General economic conditions and other external factors.

General or industry-specific market conditions, stock market performance or macroeconomic and geopolitical factors unrelated to our performance may also affect our stock price. For these reasons, investors should not rely on recent or historical trends to predict future stock prices, financial condition, results of operations or cash flows. In recent years, stockholder activism, including threatened or actual proxy contests, has been directed against numerous public companies. If a stockholder activist was to take, or threaten to take actions, against the Company, this could cause the Company to incur significant costs as well as the distraction of management, which could have an adverse effect on our business and financial results. In addition, actions of activist stockholders may cause significant fluctuations in our stock price based on temporary or speculative market perceptions or other factors that do not necessarily reflect the underlying fundamentals and prospects of our business.

Volatility in our stock price could expose us to litigation, which could result in substantial costs and the diversion of management time and resources. In addition, repurchases pursuant to our share repurchase program could affect our stock price and increase its volatility. The existence of a share repurchase program could also cause our stock price to be higher than it would be in the absence of such a program and could potentially reduce the market liquidity for our stock. There can be no assurance that any share repurchases will enhance stockholder value because the market price of our common stock may decline below the levels at which we repurchased shares of common stock. Although our share repurchase program is intended to enhance long-term stockholder value, short-term stock price fluctuations could reduce the program’s effectiveness. Furthermore, the program does not obligate the Company to repurchase any dollar amount or number of shares of common stock, and may be suspended or discontinued at any time and any suspension or discontinuation could cause the market price of our stock to decline.

We cannot guarantee the timing, declaration, amount or payment of any dividends, and the terms of our indebtedness could limit our ability to pay dividends on our common stock.

The timing, declaration, amount and payment of dividends to stockholders, if any, will be within the sole discretion of our Board. Among the items considered when establishing a dividend policy will be the capital intensive nature of our business and opportunities to retain future earnings for use in the operation of our business and to fund future growth. Additionally, the terms of our indebtedness limit our ability to pay cash dividends. There can be no assurance that we will continue to pay a dividend in the future.

Stockholder percentage ownership in AdvanSix may be diluted in the future.

A stockholder’s percentage ownership in AdvanSix may be diluted in the future because of common stock-based equity awards that we have granted and expect to grant in the future to our directors, officers and other employees. In addition, we may issue equity to raise capital to finance our ongoing operations or as all or part of the consideration paid for acquisitions and strategic investments that we may make in the future.

Certain provisions in our Amended and Restated Certificate of Incorporation and Amended and Restated By-laws and Delaware law may discourage takeovers.

Several provisions of our Amended and Restated Certificate of Incorporation, Amended and Restated By-laws and Delaware law may discourage, delay or prevent a merger or acquisition that is opposed by our Board. These include, among others, provisions that do not permit our stockholders to act by written consent, establish advance notice requirements for stockholder nominations and proposals, limit the persons who may call special meetings of stockholders, and limit our ability to enter into business combination transactions with certain stockholders. These and other provisions of our Amended and Restated Certificate of Incorporation, Amended and Restated By-laws and Delaware law may discourage, delay or prevent certain types of transactions involving an actual or a threatened acquisition or change in control of AdvanSix, including unsolicited takeover attempts, even though the transaction may offer our stockholders the opportunity to sell their shares of our common stock at a price above the prevailing market price.

Item 1B. Unresolved Staff Comments

None.

Item 1C. Cybersecurity

AdvanSix is committed to protecting the data and confidential information of its business, employees, customers and suppliers. As an organization, we face the risk of cybersecurity breaches and incidents from both external threat actors and from insiders which could compromise the security of our information and networks. Any cybersecurity breach or incident could harm our business or disrupt our operations.

Cybersecurity risk is closely monitored by our executive leadership with governance and oversight by the Audit Committee of the Board, whose oversight is expressly noted in its chartered responsibilities along with broader enterprise risk management. A cybersecurity team, led by the General Counsel, the Chief Digital and Information Officer (“CDIO”) and the Chief Information Security Officer (“CISO”), is responsible for the management, implementation and operation of the cybersecurity program, alongside qualified internal and external security and IT subject matter experts.

He joined AdvanSix as Vice President and CDIO in August 2025, and prior to that time, he held various leadership positions in the energy and manufacturing sector, including GE, Baker Hughes, TechnipFMC and Civitas Resources. He earned a Bachelor’s and Master's degree in Computer Science and Engineering and is a graduate of Texas Tech University.

He joined AdvanSix in December 2018 as our Cybersecurity Leader, and prior to that time, he worked as VP and Information Security Officer at MUFG, managing the overall risk management program, design and implementation. Prior to that role, our CISO served as a cybersecurity and privacy manager with PricewaterhouseCoopers, as a technology manager – IT security and infrastructure with Suez Environment North America, and as an IT auditor for Pentair. Our CISO has a Master's Degree in Computer Science from New Jersey Institute of Technology and a Bachelor’s Degree in Mechanical Engineering from University of Madras. In order to stay current with best practices, our CISO regularly completes cybersecurity certification courses and attends industry conferences.

Our General Counsel brings over 20 years of experience managing and assessing enterprise risks through both his tenure at the Company since 2016, which has included the assessment of risks arising from cybersecurity threats, and his prior experience as outside counsel to publicly traded companies.

We track the effectiveness of our cybersecurity program using key performance and risk metrics through daily surveillance with dashboard updates provided by the CISO to the General Counsel and the CDIO supplemented by regular updates to the senior leadership team, which includes the Chief Executive Officer and the Chief Financial Officer. In addition, the CISO provides cybersecurity updates to the Audit Committee and the full Board. Informational report-outs, with risk metrics and dashboard updates, are provided to the Audit Committee on at least a quarterly basis. At least annually, the full Board is provided an update which includes a review of governance oversight, cybersecurity controls, implemented improvements and mitigations, vulnerability risks, third-party vendors utilized, and status of key initiatives.

AdvanSix engaged the services of a best-in-class third party cybersecurity firm to conduct an independent comprehensive maturity assessment of our cyber security program across critical areas which align with the NIST Cybersecurity Framework. As a result of the assessment, best practice recommendations were incorporated into the cybersecurity program to improve our cybersecurity posture and program maturity. We regularly monitor the qualitative and quantitative performance of the program and other risk metrics. Key risks are identified, and appropriate mitigations are implemented through a combination of people, process, and technology solutions that are continuously evolving to address a dynamic and increasingly sophisticated threat environment. Based on this framework, we have developed and implemented a comprehensive set of cybersecurity policies and procedures to address the key cybersecurity risks faced by AdvanSix. We continue to assess evolving threats and update our policies and procedures appropriately.

Our security architecture uses a “defense-in-depth approach,” with controls implemented at user, email, endpoint, cloud, access, and network levels. In addition, training our employees is a critical element of our cybersecurity program. Our comprehensive security awareness and training program covers 100% of our employees on protective measures regarding information security, data privacy, cyber-attacks and recognizing phishing attempts. This program includes regular communication, interactive trainings, and simulated phishing assessments and is designed to reinforce risk

awareness and address the latest and most relevant risks. We have implemented robust controls and procedures to ensure trainings are completed in a timely manner and to track our cybersecurity performance metrics.

We seek to identify and address cybersecurity threats and risks that can arise from our use of third parties, including those that comprise our information systems, supply chain operations or who have access to certain data. We utilize supplier risk management practices, including enhanced due diligence assessments, that seek to identify cybersecurity risks associated with our use of third-party providers and the scope and nature of their work with us. These risks are assessed and prioritized based on, among other things, supplier assessments, threat intelligence, and industry practices. We consider these risks at the time of supplier onboarding and endeavor to assess changes in risk throughout the lifecycle of our relationship with suppliers.

Our environment is monitored continuously for security events by our security operations center, which detects, alerts, and responds to any potential security incidents on 24/7 basis. Escalations of potential incidents or notable risks are escalated by the cybersecurity team and the CISO to the General Counsel and the CDIO. If appropriate, the status of such potential incidents or notable risks will be further escalated to the Chief Executive Officer, the Chief Financial Officer and the Board. As of the date of this Annual Report on Form 10-K, we are not aware of any cybersecurity incidents that have materially affected or are reasonably likely to materially affect the Company.

AdvanSix has developed cybersecurity incident response plans and procedures, including the formation of a designated cybersecurity incident response team with representatives from across the organization. In the event of an actual cybersecurity incident, the cybersecurity incident response plan serves as the guiding framework for the Company including with respect to incident assessment, mitigations and controls, as well as response, recovery, reporting and resolution. We conduct periodic scenario planning sessions and tabletop exercises with the cybersecurity incident response team and other key functional roles in the enterprise to improve our response preparedness in the event of a security incident. AdvanSix has implemented various measures to protect its sites from both physical and cyber-attacks, which take into account applicable data security and other data privacy laws and regulations. Emerging threats and opportunities to further mitigate cybersecurity risk are continuously explored and evaluated. A vulnerability management program continually assesses our environment to identify and remediate system and software vulnerabilities. A data governance policy and data loss prevention program have been implemented to protect our intellectual property and other sensitive data. We also engage independent third parties to perform security assessments on at least an annual basis, which include penetration testing of our external and internal environment.

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FLEX	1 week ago
ENS	1 week ago
VFC	1 week, 1 day ago
IMVT	1 week, 1 day ago
ROIV	1 week, 1 day ago
HAE	1 week, 1 day ago
AREC	1 week, 1 day ago
CETI	1 week, 1 day ago
EDUC	1 week, 1 day ago
CSWC	1 week, 1 day ago
EXP	1 week, 1 day ago
NXT	1 week, 1 day ago
JHX	1 week, 1 day ago
DRVN	1 week, 1 day ago
DOCS	1 week, 1 day ago
KCRD	1 week, 2 days ago
UAA	1 week, 2 days ago
IHT	1 week, 2 days ago
FATN	1 week, 2 days ago
LVPA	1 week, 2 days ago
RBC	1 week, 5 days ago
AIXN	1 week, 5 days ago
BOOT	1 week, 6 days ago
RMTG	1 week, 6 days ago
OZSC	1 week, 6 days ago
PBH	1 week, 6 days ago
NTCT	1 week, 6 days ago
HWKN	2 weeks ago
RPDL	2 weeks ago
GAIN	2 weeks, 1 day ago
EA	2 weeks, 2 days ago
ITOX	2 weeks, 2 days ago
GRAF	2 weeks, 2 days ago
CVLT	2 weeks, 3 days ago
WYGC	2 weeks, 6 days ago
DXC	2 weeks, 6 days ago

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