Owens Corning
Annual Report 2020

Plain-text annual report

2020 ANNUAL REPORT Unless the context indicates otherwise, the terms “Owens Corning,” “Company,” “we” and “our” in this 2020 Annual Report refer to Owens Corning and its subsidiaries. References to a particular year mean the Company’s year commencing on January 1 and ending on December 31 of that year. ANNUAL REPORT ON FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2020 Table of Contents PERFORMANCE GRAPH DIRECTORS * * * 24 119 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K Í ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 or ‘ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 1-33100 Owens Corning (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) One Owens Corning Parkway, Toledo, OH (Address of principal executive offices) 43-2109021 (I.R.S. Employer Identification No.) 43659 (Zip Code) Title of each class Common Stock, par value $0.01 per share Name of each exchange on which registered New York Stock Exchange (419) 248-8000 (Registrant’s telephone number, including area code) Securities registered pursuant to Section 12(b) of the Act: Trading Symbol OC Securities registered pursuant to Section 12(g) of the Act: None Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes Í No ‘ Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act. Yes ‘ No Í Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes Í No ‘ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes Í No ‘ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. Large accelerated filer Í Accelerated filer ‘ Non-accelerated filer ‘ Smaller reporting company ‘ Emerging growth company ‘ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ‘ Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ‘ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes ‘ No Í On June 30, 2020, the last business day of the registrant’s most recently completed second fiscal quarter, the aggregate market value of $0.01 par value common stock (the voting stock of the registrant) held by non-affiliates (assuming for purposes of this computation only that the registrant had no affiliates) was approximately $6,023,086,936. As of February 12, 2021, 104,926,383 shares of the registrant’s common stock, par value $0.01 per share, were outstanding. DOCUMENTS INCORPORATED BY REFERENCE Portions of Owens Corning’s proxy statement to be delivered to stockholders in connection with the Annual Meeting of Stockholders to be held on or about April 15, 2021 (the “2021 Proxy Statement”) are incorporated by reference into Part III hereof. PART I ITEM 1. Business Overview Segment overview General Availability of information ITEM 1A. Risk factors ITEM 1B. Unresolved staff comments ITEM 2. Properties ITEM 3. Legal proceedings ITEM 4. Mine safety disclosures Information about our Executive Officers PART II ITEM 5. Market for Owens Corning’s common equity, related stockholder matters and issuer purchases of equity securities ITEM 6. Selected financial data ITEM 7. Management’s discussion and analysis of financial condition and results of operations ITEM 7A. Quantitative and qualitative disclosures about market risk ITEM 8. Financial statements and supplementary data ITEM 9. Changes in and disagreements with accountants on accounting and financial disclosure ITEM 9A. Controls and procedures ITEM 9B. Other information PART III ITEM 10. Directors, executive officers and corporate governance ITEM 11. Executive compensation ITEM 12. Security ownership of certain beneficial owners and management and related stockholder matters ITEM 13. Certain relationships and related transactions, director independence ITEM 14. Principal accountant fees and services PART IV ITEM 15. Exhibits and financial statement schedules ITEM 16. Form 10-K Summary Signatures Index to Consolidated Financial Statements Management’s Report on Internal Control Over Financial Reporting Report of Independent Registered Public Accounting Firm Consolidated Financial Statements Notes to Consolidated Financial Statements Index to Consolidated Financial Statement Schedule Schedule II Page 1 1 1 3 7 7 20 20 21 21 22 23 24 25 45 47 47 47 47 48 48 48 48 48 49 54 55 57 58 59 63 68 117 118 -1- PART I ITEM 1. BUSINESS OVERVIEW Owens Corning is a global building and industrial materials leader that manufactures and delivers a broad range of high-quality insulation, roofing, and fiberglass composite materials. Its insulation products conserve energy and improve acoustics, fire resistance and air quality in the spaces where people live, work and play. Its roofing products and systems enhance curb appeal of people’s homes and protect homes and commercial buildings alike. Its fiberglass composites make thousands of products lighter, stronger, and more durable. In short, the Company provides innovative products and solutions that deliver a material difference to its customers and, ultimately, makes the world a better place. The business is global in scope, with operations in 33 countries, and human in scale, with approximately 19,000 employees and longstanding, local relationships with its customers. Based in Toledo, Ohio, Owens Corning recorded net sales in 2020 of $7.1 billion. Founded in 1938, it has been a Fortune 500® company for 66 consecutive years. Unless the context indicates otherwise, the terms “Owens Corning,” “Company,” “we” and “our” in this report refer to Owens Corning and its subsidiaries. References to a particular year mean the Company’s year commencing on January 1 and ending on December 31 of that year. SEGMENT OVERVIEW The Company has three reportable segments: Composites, Insulation and Roofing. Our Composites, Insulation and Roofing reportable segments accounted for approximately 27%, 36% and 37% of our total reportable segment net sales, respectively, in 2020. Composites Owens Corning glass fiber materials can be found in over 40,000 end-use applications within five primary markets: building and construction, transportation, consumer, industrial, and power and energy. Such end-use applications include pipe, roofing shingles, sporting goods, consumer electronics, telecommunications cables, boats, aviation, automotive, industrial containers and wind-energy. Our products are manufactured and sold worldwide. We primarily sell our products directly to parts molders and fabricators. Within the building and construction market, our Composites segment sells glass fiber and/or glass mat directly to a small number of major shingle manufacturers, including our own Roofing segment. Our Composites segment includes vertically integrated downstream activities. The Company manufactures, fabricates and sells glass reinforcements in the form of fiber. Glass reinforcement materials are also used downstream by the Composites segment to manufacture and sell glass fiber products in the form of fabrics, non-wovens and other specialized products. Demand for composites is driven by general global economic activity and, more specifically, by the increasing replacement of traditional materials such as aluminum, wood and steel with composites that offer lighter weight, improved strength, lack of conductivity and corrosion resistance. We estimate that over the last 35 years, on average, annual global demand for composite materials grew at about 1.6 times global industrial production growth. We compete with glass fiber manufacturers worldwide. According to various industry reports and Company estimates, our Composites segment is a world leader in the production of glass fiber reinforcement materials. Primary methods of competition include innovation, quality, customer service and global geographic reach. ITEM 1. BUSINESS (continued) Insulation -2- Our insulating products help customers conserve energy, provide improved acoustical performance and offer convenience of installation and use. Our Insulation segment includes a diverse portfolio of high, mid and low-temperature products with a geographic mix of United States, Canada, Europe, Asia-Pacific and Latin America, a market mix of residential, commercial, industrial and other markets, and a channel mix of retail, contractor and distribution. Our products in the residential market include thermal and acoustical batts, loosefill insulation, foam sheathing and accessories, and are sold under well-recognized brand names and trademarks such as Owens Corning PINK® FIBERGLAS™ Insulation. Our products in the commercial and industrial markets include glass fiber pipe insulation, energy efficient flexible duct media, bonded and granulated mineral wool insulation, cellular glass insulation and foam insulation used in above- and below-grade construction applications, and are sold under well-recognized brand names and trademarks such as Thermafiber®, FOAMULAR®, FOAMGLAS® and Paroc®. We sell our insulation products primarily to insulation installers, home centers, lumberyards, retailers and distributors in the United States, Canada, Europe, Asia-Pacific and Latin America. Demand for Owens Corning’s insulating products is driven by North American new residential construction, repair and remodeling activity, commercial and industrial construction activity in the United States, Canada, Europe, Asia-Pacific and Latin America, and increasingly stringent building codes and the growing need for energy efficiency. Demand in the segment typically follows seasonal home improvement, remodeling and renovation and residential, commercial and industrial construction industry patterns. Demand for new residential construction in North America typically follows housing starts on a three-month lagged basis, although the new residential construction cycle can elongate due to labor availability and other factors beyond our control. The peak season for home construction and remodeling in our geographic markets generally corresponds with the second and third calendar quarters. Demand for commercial and industrial applications is more heavily tied to industrial production growth, commercial construction activity, and overall economic conditions in the global markets we serve. Our Insulation segment competes primarily with fiberglass insulation manufacturers in the United States, with an international presence in Canada, Europe, Asia-Pacific and Latin America. According to industry reports and Company estimates, Owens Corning is North America’s largest producer of residential, commercial and industrial insulation. Principal methods of competition include innovation and product design, service, location, quality, price and compatibility of systems solutions. Working capital practices for this segment historically have followed a seasonal cycle. Typically, our insulation plants run continuously throughout the year. This production plan, along with the seasonal nature of portions of the segment, generally results in higher finished goods inventory balances in the first half of the year. Since sales increase during the second half of the year, our accounts receivable balances are typically higher during this period. Roofing Our primary products in the Roofing segment are laminate and strip asphalt roofing shingles. Other products include roofing components, synthetic packaging materials and oxidized asphalt. We have been able to meet the growing demand for longer lasting, aesthetically attractive laminate products with modest capital investment. We sell shingles and roofing components primarily through distributors, home centers, lumberyards, retailers and contractors in the United States. Our synthetic packaging materials are used primarily in the construction industry for lumber and metal packaging. Oxidized asphalt is a significant input used in the production of our asphalt ITEM 1. BUSINESS (continued) -3- roofing shingles. We are vertically integrated and have manufacturing facilities that process asphalt for use in our roofing shingles manufacturing process. In addition, we sell processed asphalt to other shingle manufacturers, to roofing contractors for built-up roofing asphalt systems and to manufacturers in a variety of other industries, including automotive, chemical, rubber and construction. Asphalt input costs and third-party asphalt sales prices are correlated to crude oil prices. As a result, third-party asphalt sales are largely a cost-plus business. Demand for products in our Roofing segment is generally driven by both residential repair and remodeling activity and by new residential construction. Roofing damage from major storms can significantly increase demand in this segment. As a result, sales in this segment do not always follow seasonal home improvement, remodeling and new construction industry patterns as closely as our Insulation segment. Our Roofing segment competes primarily with asphalt shingle manufacturers in the United States. According to various industry reports and Company estimates, Owens Corning’s Roofing segment is the second largest producer of asphalt roofing shingles in the United States. Principal methods of competition include innovation and product design, proximity to customers, quality and price. Our manufacturing operations are generally continuous in nature, and we warehouse much of our production prior to sale since we operate with relatively short delivery cycles. One of the raw materials important to this segment is sourced from a sole supplier. We have a long-term supply contract for this material, and have no reason to believe that any availability issues will exist. If this supply was to become unavailable, our production could be interrupted until such time as the supplies again became available or the Company reformulated its in this segment, has been products. Additionally, constricted at times. Although this has not caused an interruption of our production in the past, prolonged asphalt shortages would restrict our ability to produce products in this segment. the supply of asphalt, another significant raw material GENERAL Intellectual Property The Company relies on a combination of intellectual property laws, as well as confidentiality procedures and contractual provisions, to protect our intellectual property, proprietary technology and our brands. Through continuous and extensive use of the color PINK since 1956, Owens Corning became the first owner of a single color trademark registration. In addition to our Owens Corning and PINK brands, the Company has registered, and applied for the registration of, U.S. and international trademarks, service marks, and domain names. Additionally, the Company has filed U.S. and international patent applications, including numerous issued patents, covering certain of our proprietary technology resulting from research and development efforts. Over time, the Company has assembled a portfolio of intellectual property rights including patents, trademarks, service marks, copyrights, domain names, know-how and trade secrets covering our products, services and manufacturing processes. Our proprietary technology is not dependent on any single or group of intellectual property rights and the Company does not expect the expiration of existing intellectual property to have a material adverse effect on the business as a whole. The Company believes the duration of our patents is adequate relative to the expected lives of our products. Although the Company protects its intellectual property and proprietary technology, any significant impairment of, or third-party claim against, our intellectual property rights could harm our business or our ability to compete. Environmental Control Owens Corning has established policies and procedures to ensure that its operations are conducted in compliance with all relevant laws and regulations and that enable the Company to meet its high standards for corporate sustainability and environmental stewardship. Our manufacturing facilities are subject to numerous foreign, ITEM 1. BUSINESS (continued) -4- federal, state and local laws and regulations relating to the presence of hazardous materials, pollution and protection of the environment, including emissions to air, discharges to water, management of hazardous materials, handling and disposal of solid wastes, and remediation of contaminated sites. All Company manufacturing facilities operate using an ISO 14001 or equivalent environmental management system. The Company’s 2030 Sustainability Goals require significant global reductions in energy use, water consumption, waste to landfill, emissions of greenhouse gases, fine particulate matter and toxic air emissions. The Company is dedicated to continuous improvement in our environmental, health and safety performance and to achieving its 2030 Sustainability Goals. The Company has not experienced a material adverse effect upon our capital expenditures or competitive position as a result of environmental control legislation and regulations. Operating costs associated with environmental compliance were approximately $39 million in 2020. The Company continues to invest in equipment and process modifications to remain in compliance with applicable environmental laws and regulations worldwide. Our manufacturing facilities are subject to numerous national, state and local environmental protection laws and regulations. Regulatory activities of particular importance to our operations include those addressing air pollution, water pollution, waste disposal and chemical control. It is possible that new laws and regulations will specifically address climate change, toxic air emissions, ozone forming emissions and fine particulate matter. New environmental and chemical regulations could impact our ability to expand production or construct new facilities in geographic regions in which we operate. However, based on information known to the Company, including the nature of our manufacturing operations and associated air emissions, at this time we do not expect any of these new laws, regulations or activities to have a material adverse effect on our results of current operations, financial condition or long-term liquidity. Owens Corning is involved in remedial response activities and is responsible for environmental remediation at a number of sites, including certain of its currently owned or formerly owned plants. These responsibilities arise under a number of laws, including, but not limited to, the Federal Resource Conservation and Recovery Act, and similar state or local laws pertaining to the management and remediation of hazardous materials and petroleum. The Company has also been named a potentially responsible party under the United States Federal Superfund law, or state equivalents, at a number of disposal sites. The Company became involved in these sites as a result of government action or in connection with business acquisitions. At the end of 2020, the Company was involved with a total of 21 sites worldwide, including 8 Superfund sites and 13 owned or formerly owned sites. None of the liabilities for these sites are individually significant to the Company. Remediation activities generally involve a potential range of activities and costs related to soil and groundwater contamination. This can include pre-cleanup activities such as fact finding and investigation, risk assessment, feasibility studies, remedial action design and implementation (where actions may range from monitoring to removal of contaminants, to installation of longer-term remediation systems). A number of factors affect the cost of environmental remediation, including the number of parties involved in a particular site, the determination of the extent of contamination, the length of time the remediation may require, the complexity of environmental regulations, variability in clean-up standards, the need for legal action, and changes in remediation technology. Taking these factors into account, Owens Corning has predicted the costs of remediation reasonably estimated to be paid over a period of years. The Company accrues an amount on an undiscounted basis, consistent with the reasonable estimates of these costs when it is probable that a liability has been incurred. Actual cost may differ from these estimates for the reasons mentioned above. At December 31, 2020, the Company had an accrual totaling $7 million for its environmental liabilities, of which the current portion is $3 million. Changes in required remediation procedures or timing of those procedures at existing legacy sites, or discovery of contamination at additional sites, could result in material increases to the Company’s environmental obligations. ITEM 1. BUSINESS (continued) Additional Government Laws and Regulations -5- In addition to environmental laws and regulations, we are subject to various laws and regulations around the world. For example, trade regulations, including tariffs or other import or export restrictions, may increase the cost of some of our raw materials or cross-border shipments, and limit our ability to do business in certain countries or with certain individuals. Our business is also subject to competition laws in the various jurisdictions where we operate, including the Sherman Antitrust Act and related federal and state antitrust laws in the United States, as well as similar foreign laws and regulations. These laws and regulations generally prohibit competitors from fixing prices, boycotting competitors, or engaging in other conduct that unreasonably restrains competition, and such laws and regulations may impact potential business relationships or transactions with third parties in the future. In addition, health and safety regulations (including laws or regulations promulgated in response to the ongoing COVID-19 pandemic, as discussed below in Item 1A, “Risk Factors”) have necessitated, and may continue to necessitate, increased operating costs or capital investments to promote a safe working environment. The Company is also required to comply with increasingly complex and changing laws and regulations enacted to protect business and personal data in the United States and other jurisdictions regarding privacy, data protection and data security, including those related to the collection, storage, use, transmission and protection of personal information and other consumer, customer, vendor or employee data. Further, an increasing number of laws and regulations focused on product and chemical hazards and preferential product selection could also impact our ability to manufacture and sell certain products or require significant research and development investment and capital expenditures to meet regulatory requirements. With respect to the laws and regulations noted above, as well as other applicable laws and regulations, the Company’s compliance programs may under certain circumstances involve material investments in the form of additional processes, training, personnel, information technology and capital. For a discussion of the risks associated with certain applicable laws and regulations, see Item 1A, “Risk Factors.” Human Capital Resources Important to the Company’s long-term success is ensuring its people feel valued, included, and engaged – from recruitment to retirement. That is why Owens Corning is dedicated to fostering an environment of learning and growth within a supportive, caring culture. We are committed to providing a safe, healthy workplace and a meaningful, engaging employee experience. As of December 31, 2020, Owens Corning had approximately 19,000 employees, of which about 11,000 are located outside the United States. Approximately 8,000 (63%) of hourly employees are subject to collective bargaining agreements. The Company believes that its relations with employees are good. The Company focuses on a number of human capital resource objectives in managing its business which, taken together, may be material to understanding our business under certain circumstances. Safety and Well-Being One of our primary objectives is the safety and well-being of our employees. Working safely is an unconditional, organization-wide expectation at Owens Corning, which we believe directly benefits employees’ lives, improves our manufacturing processes and reduces our costs. The Company maintains comprehensive safety programs focused on identifying hazards and eliminating risks that can lead to severe injuries. One of our primary safety measures is the Recordable Incidence Rate (“RIR”) as defined by the United States Bureau of Labor Statistics. For the year ended December 31, 2020, our RIR was 0.61, compared to 0.66 in the same period a year ago. Additionally, with our Healthy Living platform, we provide a multifaceted well-being program designed to drive sustainable, long-term change, improve the health and lives of employees, and strengthen the culture and work experience. ITEM 1. BUSINESS (continued) Employee Performance and Related Objectives -6- We also focus on managing employee performance, development, succession planning, and turnover. Our goal is to create a high-performance culture and team that is diverse, capable and engaged. We strive to have clear objectives, effective performance management, and a structure that includes regular talent reviews, succession planning, development, and compensation analysis. Corporate Culture Another objective we pursue is maintaining a corporate culture focused on inclusion and diversity, ethics and compliance, training, and positive employee relations and engagement. The Company believes its success and sustainability are enhanced by an inclusive and diverse workforce. We believe that inclusion and diversity add value to the business by fostering an environment that leads to high engagement and innovative thinking in the workplace. Our Chief Executive Officer, along with more than a thousand other company leaders around the world, signed the CEO Action for Diversity & Inclusion pledge in 2018, signaling our goal to advance diversity and inclusion within the workplace. Owens Corning operates programs that foster gender and ethnic diversity as well as equality within its workforce, including supporting various employee-led affinity groups, so its employees feel valued and appreciated for the distinct voices they bring to the team. The Company performs a biennial pay equity review with the assistance of a third-party vendor. These reviews include a robust, statistical analysis of pay equity across the majority of its global salaried workforce. Consistent with our commitment to “equal pay for equal work,” we remediate all identified and substantiated pay gaps through pay increases. Further, the Company has implemented processes and policies to avoid inheriting unequal pay bias of prior employers. Ethics and compliance efforts include our support of the Owens Corning Code of Conduct (“Code of Conduct”), which is dedicated to encouraging compliance with a range of legal guidelines and our corporate values. Our training efforts encompass the Code of Conduct and other areas of compliance and development as relevant to employees. We also seek to foster positive and productive relations with the labor organizations representing them. Owens Corning employees contribute service hours to boards, special causes and nonprofit organizations in the communities where they live and operate. These programs aim to enable the Company’s employees to connect with the community, further improve its reputation locally and globally, and instill a sense of pride in the workforce. Owens Corning is a recognized leader on social issues. Select awards and honors earned by the Company include: • Named a 2020 Noteworthy Company by DiversityInc for diversity, equity and inclusion • Obtained a perfect score on the Human Rights Campaign’s 2020 Corporate Equality Index • Recognized as one of the “2020 World’s Most Ethical Companies” by Ethisphere Institute for the third year in a row • Ranked 1st among the 100 Best Corporate Citizens in 2020 by 3BL Media for the second year in a row ITEM 1. BUSINESS (continued) -7- More information about Owens Corning’s approach to human capital and other social issues can be found in our Sustainability Report on our website.1 AVAILABILITY OF INFORMATION the Company’s Annual Report on Owens Corning makes available, free of charge, Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and all amendments to those reports as soon as reasonably practicable after such material is electronically filed with or furnished to the Securities and Exchange Commission. These documents are available through the Investor Relations page of the Company’s website at www.owenscorning.com. through its website, ITEM 1A. RISK FACTORS In an enterprise as diverse as ours, a wide range of factors could affect future performance. We discuss in this section some of the risk factors that could materially and adversely affect our business, financial condition, value and results of operations. You should consider these risk factors in connection with evaluating the forward- looking statements contained in this Annual Report on Form 10-K because these factors could cause our actual results and financial condition to differ materially from those projected in forward-looking statements. The Company maintains processes that aim to manage enterprise risks through identification and mitigation of those risks. Despite our efforts, we may fail to identify or mitigate certain risks, which could have a material and adverse impact on our business, financial condition, value and results of operations. RISKS RELATING TO THE COVID-19 PANDEMIC The COVID-19 pandemic has had a significant impact, and could continue to have a significant impact, on the Company’s operations and results. We have been managing matters related to the global COVID-19 pandemic, including the following impacts that we have experienced at various times since the first quarter of 2020: • We believe that COVID-19 placed downward pressure on demand for some of our products, on at least a temporary basis and caused us to curtail some of our operations as we attempted to balance demand with inventory and output. • Governmental authorities have implemented numerous measures to contain the virus, such as travel bans and restrictions, quarantines, shelter-in-place orders and business shutdowns. Some of these actions resulted in temporary curtailment of some operations and increased costs to operate certain facilities. • • In the first quarter of 2020, we recorded an impairment to goodwill that was driven, at least in part, by an increase in the discount rate arising from higher equity risk premiums that reflected significant uncertainty surrounding the effect that COVID-19 would have on the Insulation reporting unit’s near- term cash flows. The Company has focused on managing costs, capital expenditures and working capital during the COVID-19 pandemic. 1 The information on our website, including our Sustainability Report, is not, and will not be deemed to be, a part of this Annual Report on Form 10-K or incorporated into any of our other filings with the SEC. ITEM 1A. RISK FACTORS (continued) -8- Although it is not possible to predict the ultimate impact of COVID-19, including on our business, results of operations, financial position or cash flows, such impacts may be material and may include: • • • • • • • • shifting customer demand for our products in the markets that we serve around the world; increased credit risk, including increased failure by customers experiencing business disruptions to make timely payments; reduced availability and productivity of employees; costs associated with production curtailments that are driven by governmental actions, customer demand or other causes related to COVID-19; increased operational risks resulting from changes to operations and remote work arrangements, including the potential effects on internal controls and procedures, cybersecurity risks and increased vulnerability to security breaches, information technology disruptions and other similar events; higher costs in certain areas such as transportation and distribution, as well as incremental costs associated with health screenings, temperature checks and enhanced cleaning and sanitation protocols to protect our employees and others; delays and disruptions in the availability of and timely delivery of materials and equipment used in our operations, as well as increased costs for such materials and equipment; a negative impact on our liquidity position, as well as increased costs and less ability to access funds under our existing credit facilities and the capital markets; • impairment in the value of tangible or intangible assets that could be recorded as a result of weaker or more volatile economic conditions; and • administrative proceedings, litigation or regulatory compliance matters. The impact of the COVID-19 pandemic may also exacerbate other risks discussed in this Item 1A. “Risk Factors.” The impact depends on the severity and duration of the current COVID-19 pandemic and actions taken by governmental authorities and other third parties in response, each of which is uncertain, rapidly changing and difficult to predict. MACROECONOMIC, MARKET AND OPERATIONAL RISKS Low levels of residential, commercial or industrial construction activity can have a material adverse impact on our business and results of operations. A large portion of our products are used in the markets for residential and commercial construction and repair and remodeling. Demand for certain of our products is affected in part by the level of new residential construction in the United States and elsewhere, although typically not until a number of months after the change in the level of construction. Lower demand in the regions and markets where our products are sold could result in lower revenues and lower profitability. Historically, construction activity has been cyclical and is influenced by prevailing economic conditions, including the level of interest rates and availability of financing, inflation, employment levels, consumer spending habits, consumer confidence and other macroeconomic factors outside our control. Residential and commercial construction is also affected by the cost and availability of skilled labor, which could impact both the cost and pace of construction activity, as well as the construction methods used, all of which could adversely affect demand for our products. ITEM 1A. RISK FACTORS (continued) -9- Some of our products, particularly in our insulation business, are used in industrial applications, such as piping and storage tanks. Lower levels of industrial production and other macroeconomic factors affecting industrial construction activity could lessen demand for those products and lead to lower revenues or profitability. We face significant competition in the markets we serve and we may not be able to compete successfully. All of the markets we serve are highly competitive. We compete with manufacturers and distributors, both within and outside the United States, in the sale of building products and composite products. Some of our competitors may have superior financial, technical, marketing and other resources than we do. In some cases, we face competition from manufacturers in countries able to produce similar products at lower costs. We also face competition from the introduction by competitors of new products or technologies that may address our customers’ needs in a better manner, whether based on considerations of pricing, usability, effectiveness, sustainability, quality or other features or benefits. If we are not able to successfully commercialize our innovation efforts, we may lose market share. Price competition or overcapacity may limit our ability to raise prices for our products when necessary, may force us to reduce prices and may also result in reduced levels of demand for our products and cause us to lose market share. In addition, in order to effectively compete, we must continue to develop new products that meet changing consumer preferences and successfully develop, manufacture and market these new products. Our inability to effectively compete could result in the loss of customers and reduce the sales of our products, which could have a material adverse impact on our business, financial condition and results of operations. Our sales may fall rapidly in response to declines in demand because we do not operate under long-term volume agreements to supply our customers and because of customer concentration in certain segments. Many of our customer volume commitments are short-term; therefore, we do not have a significant manufacturing backlog. As a result, we do not benefit from the visibility provided by long-term volume contracts against downturns in customer demand and sales. Further, we are not able to immediately adjust our costs in response to declines in sales. In addition, although no single customer represents more than 10% of our annual sales, our ability to sell some of the products in Insulation and Roofing are dependent on a limited number of customers, who account for a significant portion of such sales. The loss of key customers for these products, a consolidation of key customers or a significant reduction in sales to those customers, could significantly reduce our revenues from these products. In addition, if key customers experience financial pressure or consolidate, they could attempt to demand more favorable contractual terms, which would place additional pressure on our margins and cash flows. Lower demand for our products, loss of key customers and material changes to contractual terms could materially and adversely impact our business, financial condition and results of operations. Furthermore, some of our sales are concentrated in certain geographic areas, and market growth that is skewed to other geographic areas may negatively impact our rate of growth or market share. Worldwide economic conditions and credit tightening could have a material adverse impact on the Company. The Company’s business may be materially and adversely impacted by changes in United States or global economic conditions, including global industrial production rates, inflation, deflation, interest rates, availability of capital, consumer spending rates, energy availability and commodity prices, trade laws, and the effects of governmental initiatives to manage economic conditions. Changes in and/or new laws, regulations and policies that may be enacted in the United States or elsewhere could also materially impact economic conditions and the Company’s business and results of operations. Volatility in financial markets and the deterioration of national ITEM 1A. RISK FACTORS (continued) -10- and global economic conditions could materially adversely impact the Company’s operations, financial results and/or liquidity including as follows: • • • • • the financial stability of our customers or suppliers may be compromised, which could result in reduced demand for our products, additional bad debts for the Company or non-performance by suppliers; one or more of the financial institutions associated with our credit facilities cease to be able to fulfill their funding obligations, or the amount of eligible receivables under our receivables securitization facility could decrease, which could materially adversely impact our liquidity; it may become more costly or difficult to obtain financing or refinance the Company’s debt in the future; the value of the Company’s assets held in pension plans may decline; and/or the Company’s assets may be impaired or subject to write-down or write-off. Uncertainty about global economic conditions may cause consumers of our products to postpone spending in response to tighter credit, negative financial news and/or declines in income or asset values. This could have a material adverse impact on the demand for our products and on our financial condition and operating results. A deterioration of economic conditions would likely exacerbate these adverse effects and could result in a wide- ranging and prolonged impact on general business conditions, thereby negatively impacting our operations, financial results and/or liquidity. We are subject to risks associated with our international operations. We sell products and operate plants throughout the world. Our international sales and operations are subject to risks and uncertainties, including: • • • • • • • difficulties and costs associated with complying with a wide variety of complex and changing laws, including securities laws, tax laws, employment and pension-related laws, competition laws, U.S. and foreign export and trading laws, and laws governing improper business practices, treaties and regulations; limitations on our ability to enforce legal rights and remedies; adverse domestic or international economic and political conditions, business interruption, war and civil disturbance; changes to tax, currency, or other laws or policies that may adversely impact our ability to repatriate cash from non-United States subsidiaries, make cross-border investments, or engage in other intercompany transactions; future tax legislation, regulations, or related guidance or interpretations; changes to tariffs or other import or export restrictions, penalties or sanctions, including modification or elimination of international agreements covering trade or investment; costs and availability of shipping and transportation; ITEM 1A. RISK FACTORS (continued) -11- • • • nationalization or forced relocation of properties by foreign governments; currency exchange rate fluctuations between the United States Dollar and foreign currencies; and uncertainty with respect to any potential changes to laws, regulations and policies that could exacerbate the risks described above. As we continue to expand our business globally, we may have difficulty anticipating and effectively managing these and other risks that our international operations may face, which may adversely impact our business, financial condition and results of operations. In addition, we operate in many parts of the world that have experienced governmental corruption and we could be adversely affected by violations of the Foreign Corrupt Practices Act (FCPA) and similar worldwide anti- corruption laws. The FCPA and similar anti-corruption laws in other jurisdictions generally prohibit companies and their intermediaries from making improper payments to officials for the purpose of obtaining or retaining business. Although we mandate compliance with these anti-corruption laws and maintain an anti-corruption compliance program, we cannot provide assurance that these measures will necessarily prevent violations of these laws by our employees or agents. If we were found to be liable for violations of anti-corruption laws, we could be liable for criminal or civil penalties or other sanctions, which could have a material adverse impact on our business, financial condition and results of operations. We will not be insured against all potential losses and could be seriously harmed by natural disasters, catastrophes, pandemics, theft or sabotage. Many of our business activities globally involve substantial investments in manufacturing facilities and many products are produced at a limited number of locations. These facilities could be materially damaged by natural disasters such as floods, tornados, hurricanes, fires, earthquakes, pandemics or by theft or sabotage. We could incur uninsured losses and liabilities arising from such events, including damage to our reputation, and/or suffer material losses in operational capacity, which could have a material adverse impact on our business, financial condition and results of operations. Climate change, weather conditions and storm activity could have a material adverse impact on our results of operations. Weather conditions and the level of severe storms can have a significant impact on the markets for residential and commercial construction, repair and improvement. As a result, climate change that results in altered weather conditions or storm activity could have a significant impact on our business. These factors could impact our business as follows: • • generally, any weather conditions that slow or limit residential or commercial construction activity can adversely impact demand for our products; and a portion of our annual product demand is attributable to the repair of damage caused by severe storms. In periods with below average levels of severe storms, demand for such products could be reduced. Lower demand for our products as a result of either of these scenarios could adversely impact our business, financial condition and results of operations. Additionally, severely low temperatures may lead to significant and immediate spikes in costs of natural gas, electricity and other commodities that could negatively affect our results of operation. ITEM 1A. RISK FACTORS (continued) -12- Climate change and associated weather phenomena, such as flooding, may impact our ability to operate manufacturing facilities in some locations. Further, laws or regulations aimed at addressing climate change may materially impact our cost of doing business. We may be exposed to cost increases or reduced availability of energy, materials or transportation, which could reduce our margins and have a material adverse impact on our business, financial condition and results of operations. Our business relies heavily on certain commodities and raw materials used in our manufacturing processes. Additionally, we spend a significant amount on inputs that are influenced by energy prices, such as asphalt, chemicals, resins, and transportation. Price increases for these inputs could raise costs and reduce our margins if we are not able to offset them by increasing the prices of our products, improving productivity or hedging where appropriate. In particular, energy prices could increase as a result of climate change legislation or other environmental mandates. Availability of certain of the raw materials we use has occasionally been limited, and our sourcing of some of these raw materials from a limited number of suppliers, and in some cases a sole supplier, increases the risk of unavailability. For example, if one of the raw materials important to our business is sourced from a sole supplier, our production could be interrupted regardless of whether we have a long-term supply contract for the material. Despite our contractual supply agreements with many of our suppliers, it is possible that we could experience a lack of certain raw materials that limits our ability to manufacture our products, thereby materially and adversely impacting our business, financial condition and results of operations. Our efforts in acquiring and integrating other businesses, establishing joint ventures, expanding our production capacity or divesting assets are subject to a number of risks. Some of the ways we have historically grown or restructured our business have been through acquisitions, joint ventures, the expansion of our production capacity and divestitures. Our ability to grow or restructure our business depends upon our ability to identify, negotiate and finance suitable arrangements. If we cannot successfully execute on such arrangements or receive any required regulatory approvals on a timely basis, we may be unable to generate desired returns, and our expectations of future results of operations, including cost savings and synergies, may not be achieved. Acquisitions, joint ventures, production capacity expansions and divestitures involve substantial risks, including: • • • • • • • • unforeseen difficulties in operations, technologies, products, services, accounting and personnel; increased cybersecurity risks; diversion of financial and management resources from existing operations; unforeseen difficulties related to entering geographic regions, markets or product lines where we do not have prior experience; risks relating to obtaining sufficient financing; difficulty in integrating the acquired business’ standards, processes, procedures and controls with our existing operations; potential loss of key employees; unanticipated competitive responses; ITEM 1A. RISK FACTORS (continued) -13- • • potential loss of customers; and undisclosed or undiscovered liabilities or claims, or retention of unpredictable future liabilities. Our failure to address these risks or other problems encountered in connection with our past or future acquisitions, investments and divestitures could cause us to fail to realize the anticipated benefits of such transactions, incur unanticipated liabilities, and harm our business generally. Future acquisitions and investments could also result in dilutive issuances of our equity securities, the incurrence of debt, contingent liabilities, or amortization expenses, or write-offs of goodwill, any of which could have a material adverse impact on our business, financial condition and results of operations. Also, the anticipated benefits of our investments may not materialize. LEGAL, REGULATORY AND COMPLIANCE RISKS We could face potential product liability and warranty claims, we may not accurately estimate costs related to such claims, and we may not have sufficient insurance coverage available to cover such claims. Our products are used and have been used in a wide variety of residential, commercial and industrial applications. We face an inherent business risk of exposure to product liability or other claims in the event our products are alleged to be defective or that the use of our products is alleged to have resulted in harm to others or to property. We may, in the future, incur liability if product liability lawsuits against us are successful. Moreover, any such lawsuits, whether or not successful, could result in adverse publicity to us, which could cause our sales to decline. We maintain insurance coverage to protect us against product liability claims, but that coverage may not be adequate to cover all claims that may arise or we may not be able to maintain adequate insurance coverage in the future at an acceptable cost. Any liability not covered by insurance or that exceeds our established reserves could materially and adversely impact our business, financial condition and results of operations. In addition, consistent with industry practice, we provide warranties on many of our products. We may experience costs of warranty claims when the product is not performing to the satisfaction of the claimant even though it has not caused harm to others or property. We estimate our future warranty costs based on historical trends and product sales, but we may fail to accurately estimate those costs and thereby fail to establish adequate warranty reserves for them. Warranty claims are not insurable. We are subject to various legal and regulatory proceedings, including litigation in the ordinary course of business, and uninsured judgments or a rise in insurance premiums may adversely impact our business, financial condition and results of operations. In the ordinary course of business, we are subject to various legal and regulatory proceedings, which may include but are not limited to those involving antitrust, tax, trade, environmental, intellectual property, data privacy and other matters, including general commercial litigation. Any claims raised in legal and regulatory proceedings, whether with or without merit, could be time consuming and expensive to defend and could divert management’s attention and resources. Additionally, the outcome of legal and regulatory proceedings may differ from our expectations because the outcomes of these proceedings are often difficult to predict reliably. Various factors and developments can lead to changes in our estimates of liabilities and related insurance receivables, where applicable, or may require us to make additional estimates, including new or modified estimates that may be appropriate due to a judicial ruling or judgment, a settlement, regulatory developments or changes in applicable law. A future adverse ruling, settlement or unfavorable development could result in charges that could have a material adverse effect on our results of operations in any particular period. ITEM 1A. RISK FACTORS (continued) -14- In accordance with customary practice, we maintain insurance against some, but not all, of these potential claims. In the future, we may not be able to maintain insurance at commercially acceptable premium levels. In addition, the levels of insurance we maintain may not be adequate to fully cover any and all losses or liabilities. If any significant judgment or claim is not fully insured or indemnified against, it could have a material adverse impact on our business, financial condition and results of operations. We may be subject to liability under and may make substantial future expenditures to comply with environmental and emerging product-based laws and regulations. Our manufacturing facilities are subject to numerous foreign, federal, state and local laws and regulations relating to the presence of hazardous materials, pollution and the protection of the environment, including those governing emissions to air, discharges to water, use, storage and transport of hazardous materials, storage, treatment and disposal of waste, remediation of contaminated sites and protection of worker health and safety. Liability under these laws involves inherent uncertainties. Environmental liability estimates may be affected by changing determinations of what constitutes an environmental exposure or an acceptable level of cleanup. For example, remediation activities generally involve a potential range of activities and costs related to soil and groundwater contamination. This can include pre-cleanup activities such as fact finding and investigation, risk assessment, feasibility studies, remedial action design and implementation (where actions may range from monitoring to removal of contaminants, to installation of longer-term remediation systems). Please see “Item 1 - Business - Environmental Control” for information on costs and accruals related to environmental remediation. that the required remediation procedures or timing of those procedures change, additional To the extent contamination is identified, or the financial condition of other potentially responsible parties is adversely affected, the estimate of our environmental liabilities may change. Change in required remediation procedures or timing of those procedures at existing legacy sites, or discovery of contamination at additional sites, could result in increases to our environmental obligations. Violations of environmental, health and safety laws are subject to civil, and, in some cases, criminal sanctions. As a result of these uncertainties, we may incur unexpected interruptions to operations, fines, penalties or other reductions in income which could adversely impact our business, financial condition and results of operations. It is possible that new laws and regulations will specifically address climate change, toxic air emissions, ozone forming emissions and fine particulate matter. New environmental and chemical regulations could impact our ability to expand production or construct new facilities in every geographic region in which we operate. Continued and increased government and public emphasis on environmental issues is expected to result in increased future investments for environmental controls income from future operations. Present and future at ongoing operations, which will be charged against environmental laws and regulations applicable to our operations, and changes in their interpretation, may require substantial capital expenditures or may require or cause us to modify or curtail our operations, which may have a material adverse impact on our business, financial condition and results of operations. Although emerging in nature, an increasing number of laws and regulations focused on product and chemical hazards and preferential product selection could also impact our ability to manufacture and sell certain products or require significant research and development investment and capital expenditures to meet regulatory requirements. Our intellectual property rights may not provide meaningful commercial protection for our products or brands and third parties may assert that we violate their intellectual property rights, which could adversely impact our business, financial condition and results of operations. Owens Corning relies on its intellectual property, trade secrets, confidential information, as well as its licensed intellectual property to differentiate our products and brands in the marketplace. We monitor and protect against activities that might infringe, dilute, or otherwise harm our intellectual property and rely on the laws of the United States and other countries. However, in some instances, we may be unaware of unauthorized use of our intellectual property. To the extent we cannot protect our including numerous patents, trademarks, ITEM 1A. RISK FACTORS (continued) -15- innovations or are unable to enforce our intellectual property, unauthorized use and misuse of our intellectual property or innovations could harm our competitive position and have a material adverse impact on our business, financial condition and results of operations. In addition, the laws of some non-United States jurisdictions provide less protection for our proprietary rights than the laws of the United States and we therefore may not be able to effectively enforce our intellectual property rights in these jurisdictions. If we are unable to maintain certain exclusive licenses, our brand recognition and sales could be adversely impacted. Current employees, contractors and suppliers have, and former employees, contractors and suppliers may have, access to trade secrets and confidential information regarding our operations which could be disclosed improperly and in breach of contract to our competitors or otherwise used to harm us. Third parties may also claim that we are infringing upon their intellectual property rights. If we are unable to successfully defend or license such alleged infringing intellectual property or if we are required to substitute similar technology from another source, our operations could be adversely affected. Even if we believe that such intellectual property claims are without merit, defending such claims can be costly, time consuming and require significant resources. Claims of intellectual property infringement also might require us to redesign affected products, pay costly damage awards, or face injunctions prohibiting us from manufacturing, importing, marketing or selling certain of our products. Even if we have agreements to indemnify us, indemnifying parties may be unable or unwilling to do so. FINANCIAL RISKS Our level of indebtedness could adversely impact our business, financial condition or results of operations. Our debt level and degree of leverage could have important consequences, including the following: • • • • • our ability to obtain additional debt or equity financing for working capital, capital expenditures, debt service requirements, acquisitions and general corporate or other purposes may be limited; a substantial portion of our cash flow could be required for the payment of principal and interest on our indebtedness, and may not be available for other business purposes; certain of our borrowings are at variable rates of interest, exposing us to the risk of increased interest rates; if due to liquidity needs we must replace any indebtedness upon maturity, we would be exposed to the risk that we may not be able to refinance such indebtedness; our ability to adjust to changing market conditions may be limited and place us at a competitive disadvantage compared to our competitors if they have less debt; and • we may be vulnerable in a downturn in general economic conditions or in our business, or we may be unable to carry out important capital spending. The credit agreement governing our senior credit facility, the indentures governing our senior notes, and the receivables purchase agreement governing our receivables securitization facility contain various covenants that impose operating and financial restrictions on us and/or our subsidiaries. Additionally, instruments and agreements governing our future indebtedness may impose other restrictive conditions or covenants that could restrict our ability to conduct our business operations or pursue growth strategies. ITEM 1A. RISK FACTORS (continued) Downgrades of our credit ratings could adversely impact us. -16- Our credit ratings are important to our cost of capital. The major debt rating agencies routinely evaluate our debt based on a number of factors, which include financial strength and business risk as well as transparency with rating agencies and timeliness of financial reporting. A downgrade in our debt rating could result in increased interest on our existing variable interest rate debt, increased interest and other expenses for future borrowings, and reduced ability for our suppliers to utilize supply chain financing programs. Downgrades in our debt rating could also restrict our access to capital markets and affect the value and marketability of our outstanding notes. If we were required to write down all or part of our goodwill or other indefinite-lived intangible assets, our results of operations or financial condition could be materially adversely affected in a particular period. Declines in the Company’s business may result in an impairment of the Company’s tangible and intangible assets which could result in a material non-cash charge. A significant or prolonged decrease in the Company’s market capitalization, including a decline in stock price, or a negative long-term performance outlook, could result in an impairment of its tangible and intangible assets which results when the carrying value of the Company’s assets exceed their fair value. For example, during the first quarter of 2020, the Company’s significant share price reduction during the ongoing COVID-19 pandemic was determined to be an indicator of impairment under ASC 350 and, based on the results of interim testing over the Insulation reporting unit, the Company recorded pre-tax non-cash impairment charges of $987 million in the first quarter of 2020. At least annually, the Company assesses goodwill and intangible assets for impairment. Since the Company utilizes a discounted cash flow methodology to calculate the fair value of its reporting units, weak demand for a specific product line or business could result in an impairment. Accordingly, any determination requiring the write-off of a significant portion of goodwill or intangible assets could negatively impact the Company’s results of operations. Our ongoing efforts to increase productivity and reduce costs may not result in anticipated savings in operating costs. Our cost reduction and productivity efforts, including those related to our existing operations, production capacity expansions, new manufacturing platforms, or other capital expenditures, may not produce anticipated results. Our ability to achieve cost savings and other benefits within expected time frames is subject to many estimates and assumptions. These estimates and assumptions are subject to significant economic, competitive, legal and other uncertainties, some of which are beyond our control. If these estimates and assumptions are incorrect, if we experience delays, or if other unforeseen events occur, our business, financial condition and results of operations could be adversely impacted. Our operations require substantial capital, leading to high levels of fixed costs that will be incurred regardless of our level of business activity. Our businesses are capital intensive, and regularly require capital expenditures to expand operations, maintain equipment, increase operating efficiency and comply with applicable laws and regulations, leading to high fixed costs, including depreciation expense. Also, increased regulatory focus could lead to additional or higher costs in the future. We are limited in our ability to reduce fixed costs quickly in response to reduced demand for our products and these fixed costs may not be fully absorbed, resulting in higher average unit costs and lower gross margins if we are not able to offset this higher unit cost with price increases. Alternatively, we may be limited in our ability to quickly respond to unanticipated increased demand for our products, which could result in an inability to satisfy demand for our products and loss of market share. ITEM 1A. RISK FACTORS (continued) -17- The Company’s income tax net operating loss may be limited and our results of operations may be adversely impacted. The Company has deferred tax assets related to both U.S. federal and state net operating losses (NOLs) for income tax purposes, which the Company expects generally are available, with some exceptions, to offset future taxable income. However, the Company’s ability to utilize or realize the current carrying value of the NOLs may be impacted by certain events, such as changes in tax legislation or the interpretation thereof, or insufficient future taxable income prior to expiration of the NOLs, or annual limits imposed under sections 382 and 383 of the Internal Revenue Code, or by state law, as a result of a change in control. A change in control is generally defined as a cumulative change of more than 50% in the ownership positions of certain stockholders during a rolling three-year period. Changes in the ownership positions of certain stockholders could occur as the result of stock transactions by such stockholders and/or by the issuance of stock by the Company. Such limitations may cause the Company to pay income taxes earlier and in greater amounts than would be the case if the NOLs were not subject to such limitations. Additionally, uncertainty exists with respect to future regulatory guidance and interpretations of the U.S. Tax Cuts and Jobs Act of 2017 (the “Tax Act”), as well as assumptions that the Company makes related to the Tax Act, which could have an impact on the use of the Company’s NOLs. Should the Company determine that it is likely that its recorded NOL benefits are not realizable, the Company would be required to reduce the NOL reflected on its financial statements to the net realizable amount either by a direct adjustment to the NOL or by establishing a valuation allowance and recording a corresponding charge to current earnings. The corresponding charge to current earnings would have an adverse effect on the Company’s financial condition and results of operations in the period in which it is recorded. Conversely, if the Company is required to increase its NOL either by a direct adjustment or reversing any portion of the accounting valuation allowance against its deferred tax assets related to its NOLs, such credit to current earnings could have a positive effect on the Company’s business, financial condition and results of operations in the period in which it is recorded. Our hedging activities to address energy price fluctuations may not be successful in offsetting increases in those costs or may reduce or eliminate the benefits of any decreases in those costs. In order to mitigate short-term variation in our operating results due to commodity price fluctuations in certain geographic markets, we may hedge a portion of our near-term exposure to the cost of energy. The results of our hedging practices could be positive, neutral or negative in any period depending on price changes of the hedged exposures. Our hedging activities are not designed to mitigate long-term commodity price fluctuations and, therefore, would not protect us from long-term commodity price increases. In addition, in the future, our hedging positions may not correlate to our actual energy costs, which would cause acceleration in the recognition of unrealized gains and losses on our hedging positions in our operating results. Our results of operations in a given period may be impacted by price volatility in certain wind-generated energy markets. In connection with our sustainability goals to reduce greenhouse gas and toxic air emissions, we entered into contracts pursuant to which we have agreed to purchase wind-generated electricity from third parties. Under these contracts, we do not take physical delivery of wind-generated electricity. The generated electricity is instead sold by our counterparties to local grid operators at the prevailing market price and we obtain the associated non-tax renewable energy credits. The prevailing market pricing for wind-generated electricity can be affected by factors beyond our control and is subject to significant period over period volatility. For example, wind-generated energy output fluctuates due to climactic and other factors beyond our control and can be ITEM 1A. RISK FACTORS (continued) -18- constrained by available transmission capacity, thereby significantly impacting pricing. Due to this potential volatility, it is possible that these contracts could have an impact on our results of operations in a given reporting period. HUMAN CAPITAL RISKS We depend on our senior management team and other skilled and experienced personnel to operate our business effectively, and the loss of any of these individuals or the failure to attract additional personnel could adversely impact our financial condition and results of operations. We are highly dependent on the skills and experience of our senior management team and other skilled and experienced personnel. These individuals possess sales, marketing, manufacturing, logistical, financial, business strategy and administrative skills that are important to the operation of our business. We cannot assure that we will be able to retain all of our existing senior management personnel and skilled and experienced personnel. The loss of any of these individuals or an inability to attract additional personnel could prevent us from implementing our business strategy and could adversely impact our business and our future financial condition or results of operations. This risk is emerging in the sense that future labor markets may impact our ability to retain these individuals. Increases in the cost of labor, union organizing activity, labor disputes and work stoppages at our facilities could delay or impede our production, reduce sales of our products and increase our costs. The costs of labor are generally increasing, including the costs of employee benefit plans. We are subject to the risk that strikes or other types of conflicts with personnel may arise or that we may become the subject of union organizing activity at additional facilities. In particular, renewal of collective bargaining agreements typically involves negotiation, with the potential for work stoppages or increased costs at affected facilities. Significant changes in the factors and assumptions used to measure our defined benefit plan obligations, actual investment returns on pension assets and other factors could have a negative impact on our financial condition or liquidity. We have certain defined benefit pension plans and other post-employment benefit (OPEB) plans. Our future funding requirements for defined benefit pension and OPEB plans depend upon a number of factors and assumptions, including our actual experience against assumptions with regard to interest rates used to determine funding levels; return on plan assets; benefit levels; participant experience (e.g., mortality and retirement rates); health care cost trends; and applicable regulatory changes. To the extent actual results are less favorable than our assumptions, there could be a material adverse impact on our financial condition and results of operations. Additional risks exist due to the nature and magnitude of our investments, including the implementation of or changes to the investment policy, insufficient market capacity to absorb a particular investment strategy or high- volume transactions, and the inability to quickly rebalance illiquid and long-term investments. If our cash flows and capital resources are insufficient to fund our pension or OPEB obligations, we could be forced to reduce or delay investments and capital expenditures, seek additional capital, or restructure or refinance our indebtedness. RISKS RELATED TO OWNERSHIP OF OUR COMMON STOCK The market price of our common stock is subject to volatility. The market price of our common stock could be subject to wide fluctuations in response to numerous factors, many of which are beyond our control. These factors include actual or anticipated variations in our operational ITEM 1A. RISK FACTORS (continued) -19- results and cash flow, our earnings relative to our competition, changes in financial estimates by securities analysts, trading volume, sales by holders of large amounts of our common stock, short selling, market conditions within the industries in which we operate, seasonality of our business operations, the general state of the securities markets and the market for stocks of companies in our industry, governmental legislation or regulation and currency and exchange rate fluctuations, as well as general economic and market conditions, such as recessions. We are a holding company with no operations of our own and depend on our subsidiaries for cash. As a holding company, most of our assets are held by our direct and indirect subsidiaries and we will primarily rely on dividends and other payments or distributions from our subsidiaries to meet our debt service and other obligations and to enable us to pay dividends. The ability of our subsidiaries to pay dividends or make other payments or distributions to us will depend on their respective operating results and may be restricted by, among other things, the laws of their jurisdiction of organization (which may limit the amount of funds available for the payment of dividends or other payments), agreements of those subsidiaries, agreements with any co-investors in non-wholly-owned subsidiaries, the terms of our facilities and senior notes and the covenants of any future indebtedness we or our subsidiaries may incur. Provisions in our amended and restated certificate of incorporation and bylaws or Delaware law might discourage, delay or prevent a change in control of our company or changes in our management and therefore depress the trading price of our common stock. Our amended and restated certificate of incorporation and bylaws contain provisions that could depress the trading price of our common stock through provisions that may discourage, delay or prevent a change in control of our Company or changes in our management that our stockholders may deem advantageous. Additionally, we are subject to Section 203 of the Delaware General Corporation Law, which generally prohibits a Delaware corporation from engaging in any of a broad range of business combinations with any “interested” stockholder for a period of three years following the date on which the stockholder became an “interested” stockholder and which may discourage, delay or prevent a change in control of our company. Dividends on our common stock are declared at the discretion of our Board of Directors. Since February 2014, the Board has declared a quarterly dividend on our common stock. The payment of any future cash dividends to our stockholders is not guaranteed and will depend on decisions that will be made by our Board of Directors and will depend on then-existing conditions, including our operating results, financial conditions, contractual restrictions, corporate law restrictions, capital agreements, applicable laws of the State of Delaware and business prospects. GENERAL RISKS We are subject to risks relating to our information technology systems, and any failure to adequately protect our critical information technology systems could materially affect our operations. We rely on information technology systems across our operations, including for management, supply chain and financial information and various other processes and transactions. Our ability to effectively manage our business depends on the security, reliability and capacity of these systems. Information technology system failures, network disruptions or breaches of security could disrupt our operations, causing delays or cancellation of customer orders or impeding the manufacture or shipment of products, processing of transactions or reporting of financial results. An attack or other problem with our systems could also result in the disclosure of proprietary information about our business or confidential information concerning our customers or employees, which could result in significant damage to our business and our reputation. ITEM 1A. RISK FACTORS (continued) -20- We have put in place security measures designed to protect against the misappropriation or corruption of our systems, intentional or unintentional disclosure of confidential information, or disruption of our operations. However, advanced cybersecurity threats, such as computer viruses, attempts to access information, and other security breaches, are persistent and continue to evolve, making them increasingly difficult to identify and prevent. Protecting against these threats may require significant resources, and we may not be able to implement measures that will protect against all of the significant risks to our information technology systems. In addition, we rely on a number of third party service providers to execute certain business processes and maintain certain information technology systems and infrastructure, and any breach of security on their part could impair our ability to effectively operate. Moreover, our operations in certain geographic locations may be particularly vulnerable to security attacks or other problems. Any breach of our security measures could result in unauthorized access to and misappropriation of our information, corruption of data or disruption of operations or transactions, any of which could have a material adverse effect on our business. ITEM 1B. UNRESOLVED STAFF COMMENTS None. ITEM 2. PROPERTIES Composites Our Composites segment operates out of 27 manufacturing facilities. We recently finalized plans to expand our operations in Fort Smith, Arkansas, and we expect this new capacity to be available in 2023. Principal manufacturing facilities for our Composites segment, all of which are owned by the Company, include the following: Aiken, South Carolina Amarillo, Texas Anderson, South Carolina Apeldoorn, The Netherlands Chambery, France Fort Smith, Arkansas Gous, Russia Insulation Jackson, Tennessee Kimchon, Korea L’Ardoise, France Rio Claro, Brazil Taloja, India Tlaxcala, Mexico Yuhang, China Our Insulation segment operates out of 42 manufacturing facilities. Principal manufacturing facilities for our Insulation segment, all of which are owned by the Company, include the following: Delmar, New York Edmonton, Alberta, Canada Fairburn, Georgia Guangzhou, Guandong, China Joplin, Missouri Kansas City, Kansas Mexico City, Mexico Newark, Ohio Rockford, Illinois Santa Clara, California Sedalia, Missouri Tallmadge, Ohio Tessenderlo, Belgium Toronto, Ontario, Canada Trzemeszno, Poland Vilnius, Lithuania Wabash, Indiana Waxahachie, Texas ITEM 2. PROPERTIES (continued) Roofing -21- Our Roofing segment operates out of 35 total manufacturing facilities. This number separately counts many roofing and asphalt manufacturing facilities that are located at the same site. Principal manufacturing facilities for our Roofing segment, all of which are owned by the Company, include the following: Brookville, Indiana Denver, Colorado Irving, Texas Kearny, New Jersey Medina, Ohio Memphis, Tennessee Minneapolis, Minnesota Portland, Oregon Qingdao, China Savannah, Georgia Silvassa, India Summit, Illinois We believe that these properties are in good condition and well maintained, and are suitable and adequate to carry on our business. The capacity of each plant varies depending upon product mix. Our principal executive offices are located in the Owens Corning World Headquarters, Toledo, Ohio, an owned facility of approximately 400,000 square feet. Our research and development activities are primarily conducted at our Science and Technology Center, located on approximately 500 acres of land owned by the Company outside of Granville, Ohio. It consists of approximately 20 structures totaling more than 650,000 square feet. In addition, we have application development and other product and market focused research and development centers in various locations. ITEM 3. LEGAL PROCEEDINGS Environmental Legal Proceedings None. Litigation, Other Regulatory Proceedings and Environmental Matters Additional information required by this item is incorporated by reference to Note 14, Contingent Liabilities and Other Matters. ITEM 4. MINE SAFETY DISCLOSURES Not applicable. -22- INFORMATION ABOUT OUR EXECUTIVE OFFICERS The name, age and business experience during the past five years of Owens Corning’s executive officers as of January 1, 2021 are set forth below. Each executive officer holds office until his or her successor is elected and qualified or until his or her earlier resignation, retirement or removal. All those listed have been employees of Owens Corning during the past five years except as indicated. Name and Age Brian D. Chambers (54) Todd Fister (46) Kenneth S. Parks (57) Paula Russell (43) Marcio Sandri (57) Kelly J. Schmidt (55) Daniel T. Smith (55) Gunner Smith (47) Position* Chairman, President and Chief Executive Officer since April 2020; President and Chief Executive Officer (2019); formerly President and Chief Operating Officer (2018); formerly President, Roofing (2014) President, Insulation since July 2019; formerly Vice President of Global Insulation and Strategy (2019); formerly Vice President and Managing Director for Europe Insulation and Global Foamglas® (2018); formerly Vice President and Managing Director for Foamglas® (2017); formerly Vice President of Strategic Marketing (2014) Executive Vice President and Chief Financial Officer since January 2021; formerly Senior Vice President and Chief Financial Officer (2020); formerly Chief Financial Officer of Mylan N.V. (2016); formerly Chief Financial Officer of WESCO, International, Inc. (2012) Executive Vice President, Chief Human Resources Officer since January 2021; formerly Senior Vice President, Chief Human Resources Officer (December 2019); formerly Vice President, Chief Human Resources Officer (April 2019); formerly Vice President of Total Rewards and Center of Excellence (2018); formerly Vice President of Total Rewards (2017); formerly Vice President of Human Resources, Composites (2012) President, Composites since May 2018; formerly Vice President Global Strategy and Operations, Composites (2017); formerly Vice President and General Manager, Composites (2007) Vice President, Controller since April 2011 Executive Vice President, Chief Growth Officer since January 2021; formerly Senior Vice President, Chief Growth Officer (2019); formerly Senior Vice President, Organization and Administration (2014) President, Roofing since August 2018, formerly Vice President of Distribution Sales for Roofing (2012) * Information in parentheses indicates year during the past five years in which service in position began. The last item listed for each individual represents the position held by such individual at the beginning of the five-year period. -23- Part II ITEM 5. MARKET FOR OWENS CORNING’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES Market Information Owens Corning’s common stock trades on the New York Stock Exchange under the symbol “OC.” Holders of Common Stock The number of stockholders of record of Owens Corning’s common stock on February 12, 2021 was 310. Cash Dividends The payment of any future cash dividends to our stockholders will depend on decisions that will be made by our Board of Directors and will depend on then existing conditions, including our operating results, financial conditions, contractual restrictions, corporate law restrictions, capital agreements, applicable laws of the State of Delaware and business prospects. Under the credit agreement applicable to our senior revolving credit facility, the Company may not declare a cash dividend if a default or event of default exists or would come to exist at the time of declaration or if a dividend declaration violates the provisions of our formation documents or other material agreements. The Company’s subsidiaries are subject to certain restrictions on their ability to pay dividends under the agreements governing our senior revolving credit facility and our receivables securitization facility. Recent Sales of Unregistered Securities; Use of Proceeds from Registered Securities None. Issuer Purchases of Equity Securities The following table provides information about Owens Corning’s purchases of its common stock during the three months ended December 31, 2020: Period October 1-31, 2020 November 1-30, 2020 December 1-31, 2020 Total Total Number of Shares (or Units) Purchased* Average Price Paid per Share (or Unit) 134,336 501,291 2,317,361 2,952,988 $74.26 74.06 75.72 $75.37 Total Number of Shares (or Units) Purchased as Part of Publicly Announced Plans or Programs** Maximum Number of Shares (or Units) that May Yet Be Purchased Under the Plans or Programs** — 498,190 2,301,810 2,800,000 2,286,726 1,788,536 9,486,726 9,486,726 * The Company retained 152,988 shares surrendered to satisfy tax withholding obligations in connection with the vesting of restricted shares granted to our employees. ** On December 3, 2020, the Board of Directors approved a share buy-back program under which the Company is authorized to repurchase up to 10 million shares of the Company’s outstanding common stock (the “2020 Repurchase Authorization”). The 2020 Repurchase Authorization is in addition to the share buy-back program announced October 24, 2016 (the 2016 Repurchase Authorization and collectively with the 2020 Repurchase -24- ITEM 5. MARKET FOR OWENS CORNING’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES (continued) Authorization, the “Repurchase Authorization”). The Repurchase Authorization enables the Company to repurchase shares through open market, privately negotiated, or other transactions. The actual number of shares repurchased will depend on timing, market conditions and other factors and is at the Company’s discretion. The Company repurchased 2.8 million shares of its common stock for $211 million during the three months ended December 31, 2020 under the Repurchase Authorization. As of December 31, 2020, approximately 9.5 million shares remain available for repurchase under the Repurchase Authorization. Performance Graph The annual changes for the five-year period shown in the graph on this page are based on the assumption that $100 had been invested in Owens Corning (OC) stock, the Standard & Poor’s 500 Stock Index (“S&P 500”), and the Dow Jones U.S. Construction & Materials Index (“DJ Constr. & Mat.”) on December 31, 2015, and that all quarterly dividends were reinvested. The total cumulative dollar returns shown on the graph represent the value that such investments would have had on December 31, 2020. We have selected the U.S. Construction & Materials Index to include in the graph below as that index is used in an external metric to determine performance-based compensation and is utilized by the Company’s investor relations function. $250 $200 $150 $100 $50 $0 12/15 12/16 12/17 12/18 12/19 12/20 Owens Corning S&P 500 Dow Jones US Construction & Materials Sector Performance Graph 2015 2016 2017 2018 2019 2020 OC S&P 500 DJ Constr. & Mat. $ $ $ 100 100 100 $ $ $ 111 112 119 $ $ $ 201 136 138 $ $ $ 97 130 108 $ $ $ 146 171 156 $ $ $ 172 203 193 ITEM 6. SELECTED FINANCIAL DATA The selected financial data previously required by Item 301 of Regulation S-K has been omitted in reliance on SEC Release No. 33-10890. -25- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS This Management’s Discussion and Analysis (MD&A) is intended to help investors understand Owens Corning, our operations and our present business environment. MD&A is provided as a supplement to, and should be read in conjunction with, our Consolidated Financial Statements and the accompanying Notes thereto contained in this report. Unless the context requires otherwise, the terms “Owens Corning,” “Company,” “we,” “its,” and “our” in this report refer to Owens Corning and its subsidiaries. This section of this Form 10-K generally discusses 2020 and 2019 items and year-to-year comparisons between 2020 and 2019. Discussions of 2018 items and year-to-year comparisons between 2019 and 2018 that are not included in this Form 10-K can be found in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Part II, Item 7 of the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2019. GENERAL Owens Corning is a leading global producer of glass fiber reinforcements and other materials for composites and of residential, commercial and industrial building materials. The Company has three reporting segments: Composites, Insulation and Roofing. Through these lines of business, the Company manufactures and sells products worldwide. We maintain leading market positions in many of our major product categories. EXECUTIVE OVERVIEW The COVID-19 pandemic caused significant uncertainty in the markets we serve and increased volatility in the financial markets in 2020. The spread of COVID-19 impacted the Company’s operations and financial results in varying ways as the impact and pace of recovery varied throughout the geographies and end markets we serve. While the pandemic continues to pervade much of the globe, we are continuing to serve our customers, while taking significant precautions to provide a safe environment for our employees and customers. The extent of the pandemic’s effect on our operational and financial performance will depend in large part on future developments, which cannot be predicted with confidence at this time. Future developments include the duration, scope and severity of the pandemic, the actions taken to contain or mitigate its impact, the impact on governmental programs and budgets, the effective distribution of vaccines or other treatments, and the continued resumption of widespread economic activity. Net loss attributable to Owens Corning was $383 million in 2020, compared to Net earnings attributable to Owens Corning of $405 million in 2019. The Company reported a loss of $124 million in earnings before interest and taxes (EBIT) in 2020 compared to earnings of $753 million in 2019. The Company generated $878 million in adjusted earnings before interest and taxes (“Adjusted EBIT”) in 2020 compared to $828 million in 2019. See the Adjusted Earnings Before Interest and Taxes paragraph of MD&A for further information regarding EBIT and Adjusted EBIT, including the reconciliation to net earnings (loss) attributable to Owens Corning. Segment EBIT performance compared to 2019 decreased $82 million in our Composites segment, increased $20 million in our Insulation segment, and increased $136 million in our Roofing segment. Within our Corporate, Other and Eliminations category, General corporate expenses and other increased by $24 million. Cash and cash equivalents were $717 million as of December 31, 2020, compared to $172 million as of December 31, 2019, as a result of strong cash flow provided by operating activities, lower cash paid for additions to property, plant and equipment and the issuance of $300 million of 2030 senior notes on May 12, 2020. In 2020, the Company’s operating activities provided $1,135 million of cash flow, compared to $1,037 million in 2019. The change was primarily driven by lower inventories year-over-year. During 2020, the Company repaid all outstanding borrowings on the term loan associated with the purchase of Paroc. -26- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) In December 2020, the Board of Directors approved a share buy-back program under which the Company is authorized to repurchase up to 10 million shares of the Company’s outstanding common stock (the “2020 Repurchase Authorization”). The 2020 Repurchase Authorization is in addition to the share buy-back program announced October 24, 2016 (the 2016 Repurchase Authorization and collectively with the 2020 Repurchase Authorization, the “Repurchase Authorization”). The Repurchase Authorization enables the Company to repurchase shares through open market, privately negotiated, or other transactions. The actual number of shares repurchased will depend on timing, market conditions and other factors and is at the Company’s discretion. In 2020, the Company repurchased 4.1 million shares of the Company’s common stock for $292 million under a previously announced repurchase authorization. As of December 31, 2020, 9.5 million shares remain available for repurchase under the repurchase authorization. RESULTS OF OPERATIONS Consolidated Results (in millions) Net sales Gross margin % of net sales Marketing and administrative expenses Goodwill impairment charge Other expenses, net Non-operating expense (income) Earnings (loss) before interest and taxes Interest expense, net Loss on extinguishment of debt Income tax expense Net earnings (loss) attributable to Owens Corning Twelve Months Ended December 31, 2019 2020 2018 $7,055 $1,610 $7,160 $1,609 $7,057 $1,632 23% 22% 23% $ 698 $ 664 — $ 944 37 $ $ 58 34 $ (14) $ $ (124) $ 753 $ 131 $ 132 32 $ — $ $ 186 $ 129 $ (383) $ 405 $ 700 — $ 36 $ (14) $ 821 $ 117 $ — $ 156 $ 545 The Consolidated Results discussion below provides a summary of our results and the trends affecting our business, and should be read in conjunction with the more detailed Segment Results discussion that follows. NET SALES Net sales decreased $105 million in 2020 compared to 2019. The decrease in net sales was primarily driven by lower selling prices across all three segments. Higher sales volumes in our Roofing segment were partially offset by lower third party asphalt sales, lower sales volumes in our Composites segment and an unfavorable product mix in our Composites and Insulation segments. GROSS MARGIN Gross margin in 2020 was largely flat compared to 2019. MARKETING AND ADMINISTRATIVE EXPENSES Marketing and administrative expenses decreased $34 million in 2020 compared to 2019. The decrease was primarily driven by cost control actions across the Company. -27- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) GOODWILL IMPAIRMENT CHARGE The Company recorded a non-cash impairment charge of $944 million in the first quarter of 2020 related to the Insulation reporting unit, which was equal to the excess of the reporting unit’s carrying value over its fair value. OTHER EXPENSES, NET Other expenses, net increased $21 million in 2020 compared to 2019. The increase was primarily driven by intangible asset impairment charges of $43 million and $13 million of higher restructuring charges, partially offset by $26 million of gains on sale of precious metals used in production tooling as needs changed in response to economic and technological factors. NON-OPERATING EXPENSE (INCOME) Non-operating expense (income) decreased $48 million compared to 2019, primarily due to the $43 million favorable year-over-year comparison to pension settlement losses recognized in 2019. INTEREST EXPENSE, NET Interest expense, net in 2020 was largely flat compared to 2019. LOSS ON EXTINGUISHMENT OF DEBT During 2020, there were no extinguishments of debt. For the year ended December 31, 2019, the Company recognized a $32 million loss on extinguishment of debt in connection with the repurchase of a portion of its outstanding 2022 senior notes and 2036 senior notes in a tender offer. INCOME TAX EXPENSE Income tax expense for 2020 was $129 million compared to $186 million in 2019. The Company’s effective tax rate for 2020 was (50%) on pre-tax losses of $256 million. The difference between the (50%) effective tax rate and the U.S. federal statutory tax rate of 21% is primarily attributable to charges related to the impairment of goodwill and certain other indefinite-lived intangible assets recorded in the first quarter of 2020, which were largely non-deductible. In addition, non-cash charges were recorded related to adjustments to valuation allowances against certain deferred tax assets. The company also recorded an amortizable asset in the US related to its transfer of economic rights of its non-US based Intellectual Property to the U.S., as further discussed in the following paragraph. In December 2020, the Company completed an intercompany restructuring that resulted in the transfer of certain intellectual property rights held by wholly owned foreign subsidiaries to the U.S. The intellectual property rights transferred to the U.S. resulted in a step-up in the tax basis for U.S. tax purposes resulting in the Company recognizing a deferred tax asset of $37 million and a current year tax expense of $5 million. The recognized tax benefit of $37 million is amortizable for U.S. tax purposes over a fifteen-year period. On July 20, 2020 the Internal Revenue Service (IRS) issued final regulations under IRC Section 951A permitting a taxpayer to elect to exclude from its inclusion of global intangible low-taxed income (GILTI), income subject to a high foreign effective tax rate. As a result of the final regulations, the Company recorded a net non-cash income tax benefit of $13 million in the third quarter relating to the 2018 and 2019 tax years. -28- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) On March 6, 2019, the U.S. Treasury and the IRS proposed regulations that provide guidance on determining the amount of a domestic corporation’s deduction for GILTI and foreign-derived intangible income (FDII) recently added by the Tax Act. The proposed regulations provide special rules to determine the deduction amount, which adjusted the Company’s 2018 tax estimate and resulted in an increase to tax expense of $12 million for 2019. The realization of deferred tax assets depends on achieving a certain minimum level of future taxable income. Management currently believes that it is at least reasonably possible that the minimum level of taxable income will be met within the next 12 months to reduce the valuation allowances of certain foreign jurisdictions by a range of zero to $9 million. The Company’s effective tax rate for 2019 was 31% on pre-tax income of $590 million. The difference between the 31% effective tax rate and the U.S. federal statutory tax rate of 21% is primarily attributable to U.S. state and local income tax expense, legislative changes, the impact of U.S federal tax expense on foreign earnings, an increase in tax valuation allowances recorded against U.S. foreign tax credits and certain foreign deferred tax assets and other discrete adjustments. Restructuring and Acquisition-Related Costs The Company has incurred restructuring, transaction and integration costs related to acquisitions, along with restructuring costs in connection with its global cost reduction and productivity initiatives. These costs are recorded in the Corporate, Other and Eliminations category. Please refer to Note 10 of the Consolidated Financial Statements for further information on the nature of these costs. The following table presents the impact and respective location of these income (expense) items on the Consolidated Statements of Earnings (Loss) (in millions): Restructuring costs Restructuring costs Restructuring costs Acquisition-related costs Acquisition-related costs Recognition of acquisition inventory fair value step-up Total restructuring, acquisition and integration-related costs Location Cost of sales Other expenses, net Non-operating expense Marketing and administrative expenses Other expenses, net Cost of sales Twelve Months Ended December 31, 2019 2020 2018 $(26) (15) — $(15) (12) (1) $(17) (5) — — — — — — — (7) (9) (2) $(41) $(28) $(40) Adjusted Earnings Before Interest and Taxes (“Adjusted EBIT”) Adjusted EBIT is a non-GAAP measure that excludes certain items that management does not allocate to our segment results because it believes they are not representative of the Company’s ongoing operations. Adjusted EBIT is used internally by the Company for various purposes, including reporting results of operations to the Board of Directors of the Company, analysis of performance and related employee compensation measures. Although management believes that these adjustments result in a measure that provides a useful representation of our operational performance, the adjusted measure should not be considered in isolation or as a substitute for Net earnings (loss) attributable to Owens Corning as prepared in accordance with accounting principles generally accepted in the United States. -29- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) Adjusting (expense) income items to EBIT are shown in the table below (in millions): Twelve Months Ended December 31, 2019 2020 2018 Restructuring costs Gains on sale of certain precious metals Goodwill impairment charge Intangible assets impairment charge Acquisition-related costs Recognition of acquisition inventory fair value step-up Pension settlement losses Environmental liability charges Total adjusting items $ (41) 26 $ (28) — (944) — (43) — — — — — (43) — (4) — $ (22) — — — (16) (2) — — $(1,002) $ (75) $ (40) The reconciliation from Net earnings (loss) attributable to Owens Corning to EBIT and Adjusted EBIT is shown in the table below (in millions): Twelve Months Ended December 31, 2019 2020 2018 NET EARNINGS (LOSS) ATTRIBUTABLE TO OWENS CORNING Net earnings (loss) attributable to noncontrolling interests $ (383) $405 (2) — $545 2 NET EARNINGS (LOSS) Equity in net earnings (loss) of affiliates Income tax expense EARNINGS (LOSS) BEFORE TAXES Interest expense, net Loss on extinguishment of debt EARNINGS (LOSS) BEFORE INTEREST AND TAXES Adjusting items from above ADJUSTED EBIT Segment Results (385) — 129 (256) 132 — (124) (1,002) 405 1 186 590 131 32 753 (75) 547 (1) 156 704 117 — 821 (40) $ 878 $828 $861 EBIT by segment consists of net sales less related costs and expenses and is presented on a basis that is used internally for evaluating segment performance. Certain items, such as general corporate expenses or income and certain other expense or income items, are excluded from the internal evaluation of segment performance. Accordingly, these items are not reflected in EBIT for our reportable segments and are included in the Corporate, Other and Eliminations category, which is presented following the discussion of our reportable segments. -30- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) Composites The table below provides a summary of net sales, EBIT and depreciation and amortization expense for the Composites segment (in millions): Twelve Months Ended December 31, 2019 2020 2018 Net sales % change from prior year EBIT EBIT as a % of net sales Depreciation and amortization expense NET SALES $1,960 $2,059 $2,041 -5% 1% -1% $ 165 $ 247 $ 251 8% 12% 12% $ 159 $ 154 $ 147 Net sales in our Composites segment decreased $99 million in 2020 compared to 2019. The decrease was due to lower sales volumes of approximately 1% due to the impact on demand from the COVID-19 pandemic, lower selling prices of $27 million, the unfavorable impact of $20 million from translating sales denominated in foreign currencies into United States Dollars, and the impact of unfavorable customer and product mix. EBIT EBIT in our Composites segment decreased $82 million in 2020 compared to 2019. The decline was driven by the $86 million unfavorable impact of production curtailment actions taken in response to the decline in demand from the COVID-19 pandemic. Favorable manufacturing performance of $43 million was offset by lower selling prices and the unfavorable impact of lower sales volumes. The $19 million unfavorable impact of translating sales and costs denominated in foreign currencies into United States Dollars was offset by lower selling, general and administrative expenses. Lower transportation costs and input cost deflation more than offset the impact of unfavorable customer mix. OUTLOOK Global glass reinforcements market demand has historically been correlated with global industrial production and we believe this relationship will continue. The Company expects the COVID-19 pandemic will continue to create uncertainty in its end markets. The magnitude of the impact will depend on the depth and duration of the crisis, as well as the timing of the recovery in the markets served by the Composites segment. The company continues to focus on managing costs, capital expenditures, and working capital. -31- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) Insulation The table below provides a summary of net sales, EBIT and depreciation and amortization expense for the Insulation segment (in millions): Twelve Months Ended December 31, 2019 2020 2018 Net sales % change from prior year EBIT EBIT as a % of net sales Depreciation and amortization expense NET SALES $2,607 $2,668 $2,720 -2% -2% 36% $ 250 $ 230 $ 290 10% 9% 11% $ 201 $ 194 $ 186 In our Insulation segment, 2020 net sales decreased $61 million compared to 2019. The decrease was due to the impact of unfavorable customer and product mix, the $18 million unfavorable impact from the divestiture of an immaterial business in the first quarter of 2020, and lower selling prices of $12 million. Volume growth was largely flat across the segment, with positive volume growth in our North American residential fiberglass business offsetting volume declines in our technical and other building insulation businesses. EBIT In our Insulation segment, EBIT increased $20 million in 2020 compared to 2019, primarily due to favorable manufacturing performance partially offset by $12 million in lower selling prices. The $19 million favorable impact of lower selling, general and administrative expenses and the $5 million gain on the divestiture of an immaterial business in the first quarter of 2020 were offset by the unfavorable impact of customer and product mix and higher delivery costs. OUTLOOK The outlook for Insulation demand is driven by North American new residential construction, remodeling and repair activity, as well as commercial and industrial construction activity in the United States, Canada, Europe and Asia-Pacific. Demand in commercial and industrial insulation markets is most closely correlated to industrial production growth and overall economic activity in the global markets we serve. Demand for residential insulation is most closely correlated to U.S. housing starts. During the fourth quarter of 2020, the average Seasonally Adjusted Annual Rate (SAAR) of U.S. housing starts was approximately 1.592 million starts, which was up from 1.433 million starts in the fourth quarter of 2019. Through the fourth quarter of 2020, the North American new residential construction recovery has continued, while global commercial and industrial construction activity has recovered at a slower pace. The Company expects the COVID-19 pandemic will continue to create uncertainty in its end markets. The magnitude of the impact will depend on the depth and duration of the crisis, and the pace of recovery in the end markets and geographies served by the Insulation segment. The company continues to focus on managing costs, capital expenditures, and working capital. -32- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) Roofing The table below provides a summary of net sales, EBIT and depreciation and amortization expense for the Roofing segment (in millions): Twelve Months Ended December 31, 2019 2018 2020 Net sales % change from prior year EBIT EBIT as a % of net sales Depreciation and amortization expense NET SALES $2,695 $2,634 $2,492 2% 6% -2% $ 591 $ 455 $ 434 22% 59 $ 17% 54 $ 17% 51 $ In our Roofing segment, net sales increased $61 million in 2020 compared to 2019. The increase was driven by higher sales volumes of about 6% on higher shingle and components volumes, partially offset by $64 million of lower third-party asphalt sales and $51 million of lower selling prices. EBIT In our Roofing segment, EBIT increased $136 million in 2020 compared to 2019. The increase was largely driven by the impact of higher sales volumes, favorable manufacturing performance of $19 million, $12 million in lower transportation costs and the $11 million benefit related to the recovery of certain tariffs paid over the past two years, following a short-term exclusion request granted by the U.S. government. The unfavorable impact of lower selling prices was more than offset by $89 million of input cost deflation, primarily asphalt. OUTLOOK In our Roofing segment, we expect the factors that have driven strong margins in recent years, such as growth from remodeling demand, along with higher sales of roofing components, to continue to deliver profitability. Uncertainties that may impact our Roofing margins include demand from storm and other weather events, demand from new construction, competitive pricing pressure and the cost and availability of raw materials, particularly asphalt. Despite recent strength in the U.S. asphalt shingle market, the Company expects the COVID-19 pandemic will continue to create uncertainty in its end markets. The magnitude of the impact will depend on the depth and duration of the crisis, as well as the timing of the recovery in the markets served by the Roofing segment. The company continues to focus on managing costs, capital expenditures, and working capital. -33- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) Corporate, Other and Eliminations The table below provides a summary of EBIT and depreciation and amortization expense for the Corporate, Other and Eliminations category (in millions): Twelve Months Ended December 31, 2019 2020 2018 Restructuring costs Gains on sale of certain precious metals Goodwill impairment charge Intangible assets impairment charge Acquisition-related costs Recognition of acquisition inventory fair value step-up Pension settlement losses Environmental liability charges General corporate expense and other EBIT Depreciation and amortization EBIT $ (41) 26 $ (28) — (944) — (43) — — — — — (43) — (4) — (104) (128) $ (22) — — — (16) (2) — — (114) $(1,130) $(179) $(154) $ 74 $ 55 $ 49 In Corporate, Other and Eliminations, EBIT losses in 2020 were $951 million higher compared to 2019, primarily due to the $944 million goodwill impairment charge and $43 million of intangible assets impairment charge recorded in the first quarter of 2020. Additional details of this charge are further explained in both the Critical Accounting Estimates paragraph of MD&A and Note 5 of the Consolidated Financial Statements. General corporate expense and other in 2020 was $24 million higher than in 2019, driven primarily by higher performance-based compensation associated with improved Adjusted EBIT results for 2020. OUTLOOK In 2021, we expect general corporate expenses to range between $135 and 145 million. LIQUIDITY, CAPITAL RESOURCES AND OTHER RELATED MATTERS Liquidity The Company’s primary sources of liquidity are its its balance of Cash and cash equivalents of $717 million as of December 31, 2020, its Senior Revolving Credit Facility and its Receivables Securitization Facility (each as defined below). The Company has an $800 million senior revolving credit facility (the “Senior Revolving Credit Facility”) that has been amended from time to time, which matures in May 2024. The Company has a $280 million securitization facility (the “Receivables Securitization Facility”) that has been amended from time to time, which matures in April 2022. -34- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) The following table shows how the Company utilized its primary sources of liquidity (in millions): Facility size Collateral capacity limitation on availability Outstanding borrowings Outstanding letters of credit Availability on facility As of December 31, 2020 Senior Revolving Credit Facility Receivables Securitization Facility $800 n/a — 4 $796 $280 — — 1 $279 The Company issued $300 million of 2030 senior notes on May 12, 2020 subject to $3 million of discounts and issuance costs. Interest on the notes is payable semiannually in arrears on June 1 and December 1 each year, beginning on December 1, 2020. The proceeds from these notes were used for general corporate purposes. The Company issued $450 million of 2029 senior notes on August 12, 2019. Interest on the 2029 senior notes is payable semiannually in arrears on February 15 and August 15 each year, beginning on February 15, 2020. The proceeds from the 2029 senior notes were used to repay portions of the 2022 senior notes and 2036 senior notes. The Company recognized $32 million of loss on extinguishment of debt in the third quarter of 2019 associated with these actions. The Company obtained a term loan commitment on October 27, 2017 for $600 million (the “Term Loan”). The Company entered into the Term Loan, in part, to pay a portion of the purchase price of the Paroc acquisition. The Term Loan contained quarterly principal repayments and full repayment by February 2021. In the third quarter of 2020, the Company repaid all outstanding borrowings on the Term Loan. The Receivables Securitization Facility and Senior Revolving Credit Facility mature in 2022 and 2024, respectively. The Company has no significant debt maturities of senior notes before 2022. As of December 31, 2020, the Company had $3.1 billion of total debt and cash and cash equivalents of $717 million. Cash and cash equivalents held by foreign subsidiaries may be subject to foreign withholding taxes upon repatriation to the U.S. As of December 31, 2020 and December 31, 2019, the Company had $71 million and $30 million, respectively, in cash and cash equivalents in certain of its foreign subsidiaries. The Company continues to assert indefinite reinvestment in accordance with ASC 740 based on the laws as of enactment of the tax legislation commonly known as the U.S. Tax Cuts and Jobs Act of 2017. As a holding company, we have no operations of our own and most of our assets are held by our direct and indirect subsidiaries. Dividends and other payments or distributions from our subsidiaries will be used to meet our debt service and other obligations and to enable us to pay dividends to our stockholders. Please refer to the Risk Factors disclosed in Item 1A of this Form 10-K for details on the factors that could inhibit our subsidiaries’ abilities to pay dividends or make other distributions to the parent company. Our anticipated uses of cash include capital expenditures, working capital needs, pension contributions, meeting financial obligations, payments of quarterly dividends as authorized by our Board of Directors, acquisitions and repaying outstanding amounts under the Senior Revolving Credit Facility and Receivables Securitization Facility if drawn. We expect that our cash on hand, coupled with future cash flows from operations and other available sources of liquidity, including our Senior Revolving Credit Facility and our Receivables Securitization Facility, will provide ample liquidity to enable us to meet our cash requirements. -35- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) We have outstanding share repurchase authorizations and will evaluate and consider repurchasing shares of our common stock, as well as strategic acquisitions, divestitures, joint ventures and other transactions to create stockholder value and enhance financial performance. Such transactions may require cash expenditures beyond current sources of liquidity or generate proceeds. The credit agreements applicable to our Senior Revolving Credit Facility and Receivables Securitization Facility contain various covenants that we believe are usual and customary. These covenants include a maximum allowed leverage ratio and a minimum required interest expense coverage ratio. We were in compliance with these covenants as of December 31, 2020. Supplier Finance Programs We review supplier terms and conditions on an ongoing basis, and have negotiated payment terms extensions in recent years in connection with our efforts to reduce working capital and improve cash flow. Separate from those terms extension actions, certain of our subsidiaries have entered into paying agency agreements with third-party administrators. These voluntary supply chain finance programs (collectively, the “Programs”) generally give participating suppliers the ability to sell, or otherwise pledge as collateral, their receivables from the Company to the participating financial institutions, at the sole discretion of both the suppliers and financial institutions. The Company is not a party to the arrangements between the suppliers and the financial institutions. The Company’s obligations to its suppliers, including amounts due and scheduled payment dates, are not impacted by the suppliers’ decisions to sell, or otherwise pledge as collateral, amounts under these arrangements. One of our programs includes a parent guarantee to the participating financial institution for a certain U.S. subsidiary that, at the time of the respective program’s inception in 2015, was a guarantor subsidiary of the Company’s Credit Agreement. The payables associated with suppliers choosing to voluntarily participate in the Programs were presented as accounts payable within Total current liabilities on the Consolidated Balance Sheets, and totaled $170 million and $117 million as of December 31, 2020 and 2019, respectively. The amounts paid that are associated with suppliers once they chose to voluntarily participate in the Programs for the twelve months ended December 31, 2020, 2019 and 2018 were $375 million, $344 million and $369 million, respectively, with all activity related to the obligations presented within operating activities on the Consolidated Statements of Cash Flows. The desire of suppliers and financial institutions to participate in the Programs could be negatively impacted by, among other factors, the availability of capital committed by the participating financial institutions, the cost and availability of our suppliers’ capital, a credit rating downgrade or deteriorating financial performance of the Company or its participating subsidiaries, or other changes in financial markets beyond our control. We do not expect these risks, or potential long-term growth of our programs, to materially affect our overall financial condition, as we expect a significant portion of our payments to continue to be made outside of the Programs. Accordingly, we do not believe the programs have materially impacted our current period liquidity, and do not believe that the programs are reasonably likely to materially affect liquidity in the future. -36- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) Cash Flows The following table presents a summary of our cash balance, cash flows, and availability on credit facilities (in millions): Twelve Months Ended December 31, 2019 2018 2020 Cash and cash equivalents Cash provided by operating activities Cash used for investing activities Cash (used for) provided by financing activities Availability on the Senior Revolving Credit Facility Availability on the Receivables Securitization Facility $ $ 78 $ 172 $ 717 $1,135 803 $1,037 $ (205) $ (394) $(1,589) 647 $ (358) $ (573) $ 791 $ $ 796 202 $ $ 279 $ 796 $ 278 Cash and cash equivalents: Cash and cash equivalents as of December 31, 2020 increased $545 million compared to December 31, 2019, primarily due to higher cash flow provided by operating activities, lower cash paid for property, plant and equipment, and from the issuance of the 2030 senior notes during 2020. Operating activities: In 2020, the Company generated $1,135 million of cash from operating activities compared to $1,037 million in 2019. The change in cash provided by operating activities was primarily due to lower inventories and higher accounts payable and accrued liabilities compared to 2019. Investing activities: The $189 million decrease in cash used for investing activities in 2020 compared to 2019 was primarily driven by lower cash paid for property, plant and equipment and higher proceeds from the sale of assets and derivative settlements compared to the prior year. Financing activities: Net cash used for financing activities in 2020 was $358 million compared to $573 million in 2019. The change year-over-year was primarily due to the issuance of the 2030 senior notes during the second quarter of 2020 and lower payments on the Term Loan (see Note 11 of the Consolidated Financial Statements and the Liquidity section above for further discussion of activities related to debt). 2021 Investments Capital Expenditures: The Company will continue a balanced approach to the use of its cash flows. Operational cash flow will be used to fund the Company’s growth and innovation. Capital expenditures in 2021 are expected to increase to approximately $460 million, primarily driven by capacity expansion in our Composites segment. Tax Net Operating Losses and U.S. Foreign Tax Credits (FTCs) As of December 31, 2020 and 2019, our federal tax net operating losses remaining were $111 million and $126 million, respectively. The decrease in U.S. federal tax NOLs is primarily due to the impact of 2020 estimated taxable income. The company generated a significant U.S. FTC in 2017 of approximately $161 million as a result of changes from the Tax Act. As of December 31, 2020 and 2019, our remaining U.S. FTCs were $49 million and $119 million, respectively. Our NOL and FTC carryforwards are subject to the limitations imposed under sections 382 and 383 of the Internal Revenue Code. These limits are triggered when a change in control occurs and are computed based upon several variable factors including the share price of the Company’s common stock on the date of the change in control. A change in control is generally defined as a cumulative change of more than 50% in the ownership positions of certain stockholders during a rolling three-year period. -37- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) In addition to the United States federal tax NOLs described above, we have NOLs in various state and foreign jurisdictions which totaled $1,160 million and $418 million as of December 31, 2020, respectively, and $1,352 million and $366 million as of December 31, 2019, respectively. The decrease in state NOL is due to our estimate of 2020 taxable income. The evaluation of the amount of NOLs and FTCs expected to be realized necessarily involves forecasting the amount of taxable income that will be generated in future years. In assessing the realizability of our deferred tax assets, we have not relied on any material future tax planning strategies. We have forecasted future results in accordance with the recently enacted Tax Act using estimates management believes to be reasonable, which are based on independent evidence such as expected trends resulting from certain leading economic indicators, such as global industrial production and new U.S. residential housing starts. In order to utilize our NOLs, we estimate that the Company will need to generate future federal, state and foreign earnings before taxes of approximately $111 million, $1,115 million and $395 million, respectively. Management believes the Company will generate sufficient future taxable income within the statutory limitations in order to fully realize the carrying value of its U.S. federal NOLs. As of December 31, 2020, a valuation allowance was established for U.S. FTC carryforwards and certain state and foreign jurisdictions’ NOL carryforwards. The realization of deferred income tax assets is dependent on future events. Actual results inevitably will vary from management’s forecasts. Should we determine that it is likely that our deferred income tax assets are not realizable, we would be required to reduce our deferred tax assets reflected on our Consolidated Financial Statements to the net realizable amount by establishing an accounting valuation allowance and recording a corresponding charge to current earnings. Such adjustments could be material to the financial statements. To date, we have recorded valuation allowances against certain of these deferred tax assets totaling $133 million as of December 31, 2020. Pension Contributions Please refer to Note 12 of the Consolidated Financial Statements. The Company has several defined benefit pension plans. The Company made cash contributions of $122 million and $46 million to the plans during the twelve months ended December 31, 2020 and 2019, respectively. The Company expects to contribute $25 million in cash to its pension plans during 2021. Actual contributions to the plans may change as a result of several factors, including changes in laws that impact funding requirements. The ultimate cash flow impact to the Company, if any, of the pension plan liability and the timing of any such impact will depend on numerous variables, including future changes in actuarial assumptions, legislative changes to pension funding laws, and market conditions. Derivatives Please refer to Note 4 of the Consolidated Financial Statements. Fair Value Measurement Please refer to Notes 1, 4, and 11 of the Consolidated Financial Statements. OFF-BALANCE-SHEET ARRANGEMENTS The Company has entered into limited off-balance-sheet arrangements, as defined under Securities and Exchange Commission rules, in the ordinary course of business. The Company does not believe these arrangements will have a material effect on the Company’s financial condition, changes in financial condition, revenues or expenses, results of operations, liquidity, capital expenditures or capital resources. -38- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) CONTRACTUAL OBLIGATIONS In the ordinary course of business, the Company enters into contractual obligations to make cash payments to third parties. The Company’s known contractual obligations as of December 31, 2020 are as follows (in millions): Long-term debt obligations Interest on variable rate debt (1), fixed rate debt, finance lease payments Finance lease obligations Operating lease obligations Purchase obligations (2) Deferred acquisition payments Pension contributions (3) Total (4) Payments due by period 2021 2022 2023 2024 2025 2026 and beyond Total $— $184 $— $400 $— $2,526 $3,110 140 19 59 238 139 17 45 77 3 — 25 — 130 13 28 57 — — 131 7 15 18 — — 114 4 8 14 — — 1,393 18 13 38 — — 2,047 78 168 442 3 25 $484 $462 $228 $571 $140 $3,988 $5,873 (1) Interest on variable rate debt is calculated using LIBOR rates as of December 31, 2020 plus a facility credit spread for all future periods. (2) Purchase obligations are commitments to suppliers to purchase goods or services, and include take-or-pay arrangements, capital expenditures, and contractual commitments to purchase equipment. The Company did not include ordinary course of business purchase orders in this amount as the majority of such purchase orders may be canceled and are reflected in historical operating cash flow trends. The Company does not believe such purchase orders will adversely affect our liquidity position. (3) Pension contributions include estimated contributions for our defined benefit pension plans. The Company is not presenting estimated payments in the table above beyond 2021 as funding can vary significantly from year to year based upon changes in the fair value of plan assets, funding regulations and actuarial assumptions. (4) The Company has not included its accounting for uncertainty in income taxes liability in the contractual obligation table as the timing of payment, if any, cannot be reasonably estimated. The balance of this liability at December 31, 2020 was $19 million. CRITICAL ACCOUNTING ESTIMATES Our discussion and analysis of our financial condition and results of operations is based upon our Consolidated Financial Statements, which have been prepared in accordance with accounting principles generally accepted in the United States. The preparation of these financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. On an ongoing basis, management evaluates its estimates and judgments related to these assets, liabilities, revenues and expenses. We believe these estimates to be reasonable under the circumstances. Management bases its estimates and judgments on historical experience, expected future outcomes, and on various other factors that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates. -39- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) The Company believes that the following accounting estimates are critical to our financial results: Tax Estimates. The determination of our tax provision is complex due to operations in several tax jurisdictions outside the United States. We apply a more-likely-than-not recognition threshold for all tax uncertainties. Such uncertainties include any claims by the Internal Revenue Service for income taxes, interest, and penalties attributable to audits of open tax years. In addition, we record a valuation allowance to reduce our deferred tax assets to the amount that we believe is more likely than not to be realized. We estimate future taxable income and the effect of tax planning strategies in our consideration of whether deferred tax assets will more likely than not be realized. In the event we were to determine that we would not be able to realize all or part of our net deferred tax assets in the future, an adjustment to reduce the net deferred tax assets would be charged to earnings in the period such determination was made. Conversely, if we were to determine that we would be able to realize our net deferred tax assets in the future in excess of their currently recorded amount, an adjustment to increase the net deferred tax assets would be credited to earnings in the period such determination was made. Impairment of Assets. The Company exercises judgment in evaluating assets for impairment. Goodwill and other indefinite-lived intangible assets are tested for impairment annually, or when circumstances arise which indicate there may be an impairment. Long-lived assets are tested for impairment when economic conditions or management decisions indicate an impairment may exist. These tests require comparing recorded values to estimated fair values for the assets under review. The Company has recorded its goodwill and conducted testing for potential goodwill impairment at a reporting unit level. Our reporting units represent a business for which discrete financial information is available and segment management regularly reviews the operating results. The Company has three reporting units: Composites, Insulation and Roofing. First Quarter of 2020 Goodwill Impairment Charge As of the prior year annual goodwill impairment testing date (October 1, 2019), testing indicated that the business enterprise value for the Insulation reporting unit exceeded its carrying value by approximately 10%. As described in our 2019 Form 10-K, there was uncertainty surrounding the macroeconomic factors impacting this reporting unit and a downturn in these factors or a change in the long-term revenue growth or profitability for this reporting unit could increase the likelihood of a future impairment. Accordingly, the Insulation reporting unit was the reporting unit most susceptible to an impairment during an economic downturn. In the first quarter of 2020, the Company performed its ongoing assessment to consider whether events or circumstances had occurred that could more likely than not reduce the fair value of a reporting unit below its carrying value. The valuation limitation from the Company’s share price decline during the first quarter of 2020, the narrow cushion on the Insulation reporting unit and the high level of near-term macroeconomic uncertainty related to the COVID-19 pandemic caused the Company to perform an interim goodwill impairment test as of March 31, 2020 over the Insulation reporting unit. After evaluating and weighing all relevant events and circumstances, and considering the substantial excess fair values for these reporting units, we concluded that it was not more likely than not that the fair value of the Roofing and Composites reporting units were less than their carrying values. Consequently, we determined that it was not necessary to perform an interim impairment test for the Roofing and Composites reporting units. As part of our quantitative testing process for goodwill of the Insulation reporting unit, we estimated fair values using a discounted cash flow analysis, a form of the income approach, from the perspective of a market ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) -40- participant. Significant assumptions used in the discounted cash flow analysis were revenue growth rates and EBIT margins used in estimating discrete period cash flow forecasts of the reporting unit, the discount rate, and the long-term revenue growth rate and EBIT margins used in estimating the terminal business value. For our interim test, the cash flow forecasts of the reporting unit were based upon management’s near-term and long- term views of our markets and represented the forecasts used by senior management and the Board of Directors to operate the business during the COVID-19 pandemic and evaluate operating performance in the first quarter of 2020. The discount rate utilized was management’s estimate of what the market’s weighted average cost of capital is for a company with a similar debt rating and stock volatility, as measured by beta, which included an additional risk premium due to uncertainty surrounding the level and pace of economic recovery. The terminal business value was determined by applying the long-term growth rate to the latest year for which a forecast exists. At the Insulation reporting unit’s long-term market-size and profitability outlook had not meaningfully deteriorated since the time of our most recent annual impairment test. The overall enterprise fair value of the Company was limited by the decline in our share price in the first quarter of 2020. The reduction in fair value of the Insulation reporting unit, and corresponding impairment charge, was primarily driven by an increase in the discount rate arising from higher equity risk premiums that reflected significant uncertainty surrounding the effect that the COVID-19 pandemic would have on the reporting unit’s near-term cash flows and a decrease in the reporting unit’s forecasted near-term cash flows. As part of our goodwill quantitative testing process, the Company evaluates whether there are reasonably likely changes to management’s estimates that would have a material impact on the results of the goodwill impairment testing. Please refer to Note 5 of the Consolidated Financial Statements for additional details on the impairment charge that was recorded in the first quarter of 2020. the Company asserted that the time of the analysis, 2020 Annual Goodwill Impairment Assessment Goodwill is an intangible asset that is not subject to amortization; however, annual tests are required to be performed to determine whether impairment exists. Prior to performing impairment testing process described in ASC 350-20, the guidance permits companies to assess qualitative factors to determine if it is more likely than not that a reporting unit’s fair value is less than its carrying value. If, based on the review of the qualitative factors, we determine it is not more likely than not that the fair value of a reporting unit is less than its carrying value, we would bypass the one-step impairment test. Events and circumstances we consider in performing the qualitative assessment include macro-economic conditions, market and industry conditions, internal cost factors, and the operational stability and the overall financial performance of the reporting units. If it is more likely than not that a reporting unit’s fair value is greater than its carrying value, then no additional testing is required. If it is more likely than not that a reporting unit’s fair value is less than or close to its carrying value, then the impairment test must be performed to determine if impairment is required. In 2020, the Company has elected to perform the qualitative approach on its Roofing and Composites reporting units, and proceeded in performing a step one analysis for the Insulation reporting unit. After evaluating and weighing all relevant events and circumstances, we concluded that it is not more likely than not that the fair value of the Roofing and Composites reporting units was less than their carrying amounts. Consequently, we did not perform a step one quantitative analysis for the Roofing and Composites reporting units and determined goodwill was not impaired for 2020. As part of our quantitative testing process for goodwill of the Insulation reporting unit, we estimated fair values using a discounted cash flow approach from the perspective of a market participant. Significant assumptions used in the discounted cash flow approach are revenue growth rates and EBIT margins used in estimating discrete period cash flow forecasts of the reporting unit, the discount rate, and the long-term revenue growth rate and EBIT margins used in estimating the terminal business value. The cash flow forecasts of the reporting unit are based upon management’s long-term view of our markets and are the forecasts that are used by senior -41- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) management and the Board of Directors to evaluate operating performance. The discount rate utilized is management’s estimate of what the market’s weighted average cost of capital is for a company with a similar debt rating and stock volatility, as measured by beta. The terminal business value is determined by applying the long-term growth rate to the latest year for which a forecast exists. As part of our goodwill quantitative testing process, the Company evaluates whether there are reasonably likely changes to management’s estimates that would have a material impact on the results of the goodwill impairment testing. Our annual test of goodwill for impairment was conducted as of October 1, 2020. As a result of the Insulation reporting unit’s improved financial performance throughout 2020, an improved outlook in the macroeconomic factors impacting the Insulation reporting unit, and the significant recovery of the Company’s stock price since the first quarter of 2020, the fair value of the Insulation reporting unit was significantly in excess of its carrying value and, thus, no impairment exists. The following table summarizes the segment allocation of recorded goodwill on our Consolidated Balance Sheets as of December 31, 2019 and December 31, 2020 (in millions): Segment Composites Insulation Roofing Total goodwill December 31, 2020 Percent of Total December 31, 2019 Percent of Total $ 57 532 400 $989 6% 54% 40% 100% $ 57 1,479 396 $1,932 3% 77% 20% 100% First Quarter of 2020 Intangible Assets Impairment Charge Other indefinite-lived intangible assets are the Company’s trademarks. Our prior year annual test of indefinite- lived intangibles was conducted as of October 1, 2019. The fair value of each of our indefinite-lived intangible assets was in excess of its carrying value and thus, no impairment existed. The fair value of these assets substantially exceeded the carrying value as of the date of that assessment. During the first quarter of 2020, we performed an interim impairment test on certain trademarks and trade names used by our Insulation segment. Fair values used in testing for potential impairment of our trademarks were calculated by applying an estimated market value royalty rate to the forecasted revenues of the businesses that utilize those assets. The assumed cash flows from this calculation were discounted at a rate based on a market participant discount rate, which included a risk premium due to the near-term economic uncertainty from the COVID-19 pandemic and its impact on the projected revenue derived from the trademarks. For two assets used by our Insulation segment, the reduction in fair values, and corresponding impairment charges, were driven by a lower expected near-term sales outlook, the compounding effect of lower expected sales following an immaterial divestiture in the first quarter of 2020 and a higher discount rate associated with the near-term economic uncertainty from the COVID-19 pandemic. Please refer to Note 5 of the Consolidated Financial Statements for additional details on the impairment charges that were recorded in the first quarter of 2020. The assets affected by the impairment charge had an aggregate carrying value of $264 million as of December 31, 2020. Annual 2020 Indefinite-lived Intangible Asset Impairment Assessment Fair values used in testing for potential impairment of our trademarks are calculated by applying an estimated market value royalty rate to the forecasted revenues of the businesses that utilize those assets. The assumed cash flows from this calculation are discounted at a rate based on a market participant discount rate. Our annual test of indefinite-lived intangibles was conducted as of October 1, 2020. The fair value of each of our indefinite-lived intangible assets was in excess of its carrying value and thus, no impairment exists. -42- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) Testing indicated that the outlook had improved for the macroeconomic factors impacting our global cellular glass insulation products such that the fair value of the trademark that was previously impaired in the first quarter of 2020 now substantially exceeds its carrying value. Testing also indicated that the fair value of a trade name used by our European building and technical insulation business within our Insulation segment exceeded its carrying value by approximately 7%. A change in the estimated long-term revenue growth rate or increase in the discount rate assumption could increase the likelihood of a future impairment for this asset. Assuming all other assumptions remain constant, a 50 basis point increase in the selected discount rate of 11.0% would decrease the fair value of the trade name by approximately 5%, and a 50 basis point decrease in the selected long-term growth rate of 1.5% would decrease the fair value of the trade name by approximately 3%. The affected asset had a carrying value of $173 million as of December 31, 2020. The fair value of the remaining assets substantially exceeded the carrying value as of the date of our assessment. Long-lived Asset Recoverability Assessment Fair values for long-lived asset testing are calculated by estimating the undiscounted cash flows from the use and ultimate disposition of the asset or by estimating the amount that a willing third party would pay. For impairment testing, long-lived assets are grouped at the lowest level for which identifiable cash flows are largely independent of the cash flows of other groups of assets and liabilities. The Company groups long-lived assets based on manufacturing facilities that produce similar products either globally or within a geographic region. Management tests asset groups for potential impairment whenever events or changes in circumstances indicate that the carrying value may not be recoverable. Current market conditions have caused the Company to have idle capacity. We consider such temporary idled capacity to be unimpaired because there has not been a significant change in the forecasted long-term cash flows at the asset group level to indicate that the carrying values may not be recoverable. While management’s current strategy is to utilize this capacity to meet expected future demand, any significant decrease in this expectation or change in management’s strategy could result in future impairment charges related to this excess capacity. We evaluated and concluded that there are not any reasonably likely changes to management’s estimates that would indicate that the carrying value of our long-lived assets is unrecoverable. However, changes in management intentions, market conditions, operating performance and other similar circumstances could affect the assumptions used in these impairment tests. Changes in the assumptions could result in impairment charges that could be material to our Consolidated Financial Statements in any given period. Pensions and Other Postretirement Benefits. Accounting for pensions and other postretirement benefits involves estimating the cost of benefits to be provided well into the future and attributing that cost over the time period each employee works. To accomplish this, extensive use is made of assumptions about investment returns, discount rates, inflation, mortality, turnover, and medical costs. Changes in assumptions used could result in a material impact to our Consolidated Financial Statements in any given period. Two key assumptions that could have a significant impact on the measurement of pension liabilities and pension expense are the discount rate and the expected return on plan assets. For our largest plan, the United States plan, the discount rate used for the December 31, 2020 measurement date is based on a yield curve approach where the expected future benefit payments are matched with a yield curve derived from certain AA-rated corporate bonds. The result supported a discount rate of 2.50% at December 31, 2020 compared to 3.30% at December 31, 2019. A 25 basis point increase (decrease) in the discount rate would decrease (increase) the December 31, 2020 projected benefit obligation for the United States pension plan by approximately $26 million. A 25 basis point -43- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) increase (decrease) in the discount rate would decrease (increase) 2021 net periodic pension cost by less than $1 million. The expected return on plan assets in the United States was derived by taking into consideration the target plan asset allocation, historical rates of return on those assets, projected future asset class returns and net outperformance of the market by active investment managers and plan related and investment related expenses paid from the plan trust. The Company uses the target plan asset allocation because we rebalance our portfolio to target on a quarterly basis. An asset return model was used to develop an expected range of returns on plan investments over a 20-year period, with the expected rate of return selected from a best estimate range within the total range of projected results. This process resulted in the selection of an expected return of 4.75% at the December 31, 2020 measurement date, which is used to determine net periodic pension cost for the year 2021. This assumption is down from the 6.50% return selected at the December 31, 2019 measurement date. A 25 basis point increase (decrease) in return on plan assets assumption would result in a respective decrease (increase) of 2021 net periodic pension cost by approximately $2 million. The discount rate for our United States postretirement plan was selected using the same method as described for the pension plan. The result supported a discount rate of 2.25% at December 31, 2020 compared to 3.10% at December 31, 2019. A 25 basis point increase (decrease) in the discount rate would decrease (increase) the United States postretirement benefit obligation by approximately $4 million and decrease (increase) 2021 net periodic postretirement benefit cost by less than $1 million. The methods corresponding to those described above are used to determine the discount rate and expected return on assets for non-U.S. pension and postretirement plans, to the extent applicable. RECENT ACCOUNTING PRONOUNCEMENTS Please refer to Note 1 of the Consolidated Financial Statements. ENVIRONMENTAL MATTERS Please refer to Note 14 of the Consolidated Financial Statements. CAUTIONARY STATEMENT CONCERNING FORWARD-LOOKING STATEMENTS Our disclosures and analysis in this report, including Management’s Discussion and Analysis of Financial Condition and Results of Operations, contain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934 (the “Exchange Act”). Forward-looking statements present our current forecasts and estimates of future events. These statements do not strictly relate to historical or current results and can be identified by words such as “anticipate,” “appear,” “assume,” “believe,” “estimate,” “expect,” “forecast,” “intend,” “likely,” “may,” “plan,” “project,” “seek,” “should,” “strategy,” “will” and other terms of similar meaning or import in connection with any discussion of future operating, financial or other performance. These forward-looking statements are subject to risks, uncertainties and other factors and actual results may differ materially from those results projected in the statements. These risks, uncertainties and other factors include, without limitation: • the severity and duration of the current COVID-19 pandemic on our operations, customers and suppliers, as well as related actions taken by governmental authorities and other third parties in response, each of which is uncertain, rapidly changing and difficult to predict; • levels of residential and commercial or industrial construction activity; ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) -44- • • • • • • • • • • • • • • • • • • • • • • • • • levels of global industrial production; competitive and pricing factors; demand for our products; relationships with key customers and customer concentration in certain areas; issues related to acquisitions, divestitures and joint ventures or expansions; legislation and related regulations or interpretations, in the United States or elsewhere; industry and economic conditions that affect the market and operating conditions of our customers, suppliers or lenders; domestic and international economic and political conditions, policies or other governmental actions; climate change, weather conditions and storm activity; changes to tariff, trade or investment policies or laws; uninsured losses, including those from natural disasters, catastrophes, pandemics, theft or sabotage; availability and cost of energy and raw materials; environmental, product-related or other legal and regulatory liabilities, proceedings or, actions; research and development activities and intellectual property protection; issues involving implementation and protection of information technology systems; achievement of expected synergies, cost reductions and/or productivity improvements; the level of fixed costs required to run our business; foreign exchange and commodity price fluctuations; our level of indebtedness; our liquidity and the availability and cost of credit; levels of goodwill or other indefinite-lived intangible assets; price volatility in certain wind energy markets in the U.S; our ability to utilize our net operating loss carryforwards; loss of key employees, labor disputes or shortages; and defined benefit plan funding obligations -45- ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (continued) All forward-looking statements in this report should be considered in the context of the risks and other factors described herein, and in Item 1A above, and as detailed from time to time in the Company’s filings with the U.S. Securities and Exchange Commission. Any forward-looking statements speak only as of the date the statement is made and we undertake no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by federal securities laws. It is not possible to identify all of the risks, uncertainties and other factors that may affect future results. In light of these risks and uncertainties, the forward-looking events and circumstances discussed in this report may not occur and actual results may differ materially from those anticipated or implied in the forward-looking statements. Accordingly, users of this report are cautioned not to place undue reliance on the forward-looking statements. ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK The Company is exposed to the impact of changes in foreign currency exchange rates, interest rates and the prices of various commodities used in the normal course of business. To mitigate some of the near-term volatility in our earnings and cash flows, the Company manages certain of our exposures through the use of financial contracts, contracts for physical delivery of a particular commodity, and derivative financial instruments. The Company’s objective with these instruments is to reduce exposure to near-term fluctuations in earnings and cash flows. The Company’s policy enables the use of foreign currency, interest rate and commodity derivative financial instruments only to the extent necessary to manage exposures as described above. The Company does not enter into such transactions for trading purposes. A discussion of the Company’s accounting policies for derivative financial instruments, as well as the Company’s exposure to market risk, is included in Notes 1 and 4 to the Consolidated Financial Statements. Please refer to Note 4 for details of the fair values of derivative financial instruments and their classification on the Consolidated Balance Sheets. For purposes of disclosing the market risk inherent in its derivative financial instruments the Company uses sensitivity analysis disclosures that express the potential loss in fair values of market rate sensitive instruments resulting from changes in interest rates, foreign currency exchange rates, and commodity prices that assume instantaneous, parallel shifts in exchange rates, interest rate yield curves, and commodity prices. The following analysis provides such quantitative information regarding market risk. There are certain shortcomings inherent in the sensitivity analysis presented, primarily due to the assumption that exchange rates change instantaneously and that interest rates change in a parallel fashion. In addition, the analyses are unable to reflect the complex market reactions that normally would arise from the market shifts modeled. Foreign Exchange Rate Risk The Company has transactional foreign currency exposures related to buying, selling, and financing in currencies other than the local currencies in which it operates. The Company enters into various forward contracts, which change in value as foreign currency exchange rates change, to preserve the carrying amount of foreign currency- denominated assets, liabilities, commitments, and certain anticipated foreign currency transactions. Exposures are related to the United States Dollar primarily relative to the Brazilian Real, Chinese Yuan, European Euro, Hong Kong Dollar, Indian Rupee, and South Korean Won exchange rates. Also, there are additional exposures related to the European Euro primarily versus the Russian Ruble and Polish Zloty. These transactional risks are mitigated through the use of derivative financial instruments and balancing of cash deposits and loans. The net fair value of derivative financial instruments used to limit exposure to foreign currency risk was $43 million and $9 million as of December 31, 2020 and 2019, respectively. As of December 31, 2020, the potential change in fair value for such financial instruments from an increase (decrease) of 10% in the quoted foreign currency exchange rates would be a (decrease) increase of approximately $40 million and $37 million, respectively. As of -46- ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK (continued) December 31, 2019, the potential change in fair value for such financial instruments from an increase (decrease) of 10% in the quoted foreign currency exchange rates would be a (decrease) increase of approximately $49 million and $49 million, respectively. We have translation exposure resulting from translating the financial statements of foreign subsidiaries into United States Dollars. Our most significant translation exposures are the Canadian Dollar, Chinese Yuan, European Euro, Indian Rupee, and Polish Zloty in relation to the United States Dollar. The Company has hedged portions of the net in foreign subsidiaries against fluctuations in the European Euro through derivative financial instruments. The net fair value of these instruments was $6 million and $8 million as of December 31, 2020 and 2019, respectively. As of December 31, 2020 and 2019, the potential change in fair value for such financial instruments from an increase (decrease) of 10% in the quoted foreign currency exchange rates would be a (decrease) increase of approximately $26 million and $57 million, respectively. investment Interest Rate Risk The Company is subject to market risk from exposure to changes in interest rates due to its financing, investing, and cash management activities. The Company has a Senior Revolving Credit Facility, Receivables Securitization Facility, Term Loan (fully repaid in 2020), other floating rate debt and cash and cash equivalents which are exposed to floating interest rates and may impact cash flow. As of December 31, 2020, the Company had no borrowings on its Senior Revolving Credit Facility or Receivables Securitization Facility, with the balance of other floating rate debt of $1 million. As of December 31, 2019, the Company had no borrowings on its Senior Revolving Credit Facility or Receivables Securitization Facility, and $200 million outstanding on its Term Loan, with the balance of other floating rate debt of $20 million. Cash and cash equivalents were $717 million and $172 million at December 31, 2020 and 2019, respectively. Based on the year-end outstanding balances on floating rate debt, a one percentage point increase (decrease) in interest rates at December 31, 2020 and 2019 would increase (decrease) our annual net interest expense by less than $1 million and $2 million, respectively. The fair market value of the Company’s senior notes are subject to interest rate risk. The following table shows how a one percentage point increase / decrease in interest rates would impact the fair market value of the senior notes: As of December 31, 2020: Increase in interest rates Decrease in fair value Decrease in interest rates Increase in fair value As of December 31, 2019: Increase in interest rates Decrease in fair value Decrease in interest rates Increase in fair value Commodity Price Risk 2022 2024 Senior Notes Maturity Year 2036 2026 2029 2030 2047 2048 2% 4% 5% 7% 8% 10% 15% 15% 2% 2022 5% 8% 4% Senior Notes Maturity Year 2029 2026 2030 2024 8% 11% 19% 19% 2036 2047 2048 3% 4% 6% 8% n/a 10% 14% 14% 3% 5% 6% 8% n/a 12% 18% 18% The Company is exposed to changes in prices of commodities used in its operations, primarily associated with energy, such as natural gas, and raw materials, such as asphalt and polystyrene. The Company enters into cash- -47- ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK (continued) settled natural gas swap contracts in certain markets to protect against changes in natural gas prices that mature within 15 months; however, no financial instruments are currently used to protect against changes in raw material costs. At December 31, 2020 and 2019, the net fair value of such swap contracts was less than $1 million and $3 million, respectively. The potential change in fair value at December 31, 2020 and 2019 resulting from an increase (decrease) of 10% in the underlying commodity prices would be an increase (decrease) of $1 million in both years. This amount excludes the offsetting impact of the price risk inherent in the physical purchase of the underlying commodities. ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA Pages 58 through 107 of this filing are incorporated herein by reference. ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE None. ITEM 9A. CONTROLS AND PROCEDURES The Company maintains (a) disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act), and (b) internal control over financial reporting (as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act). The Company’s management, with the participation of the Company’s Chief Executive Officer and Chief Financial Officer, has evaluated the effectiveness of the Company’s disclosure controls and procedures as of the end of the period covered by this report. Based on such evaluation, the Company’s Chief Executive Officer and Chief Financial Officer have concluded that, as of the end of such period, the Company’s disclosure controls and procedures are effective. There has been no change in the Company’s internal control over financial reporting during the quarter ended December 31, 2020 that materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting. A report of the Company’s management on the Company’s internal control over financial reporting is contained on page 54 hereof and is incorporated here by reference. PricewaterhouseCoopers LLP’s report on the effectiveness of internal control over financial reporting is included in the Report of Independent Registered Public Accounting Firm beginning on page 55 hereof. ITEM 9B. OTHER INFORMATION None. -48- Part III ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE Information with respect to directors and corporate governance will be presented in the 2021 Proxy Statement in the sections titled “Information Concerning Directors” and “Governance Information,” and such information is incorporated herein by reference. Information with respect to executive officers is included herein under Part I, “Information about our Executive Officers”. Code of Ethics for Senior Financial Officers Owens Corning has adopted an Ethics Policy for Chief Executive and Senior Financial Officers that applies to our Chief Executive Officer, Chief Financial Officer and Controller. This policy is available on our website (www.owenscorning.com) under “Corporate Governance” located in the “Investing in Owens Corning” section and print copies will be made available free of charge upon request to the Secretary of the Company. To the extent required by applicable SEC rules or New York Stock Exchange listing standards, the Company intends to post any amendments or waivers to the above referenced codes of ethics to our website, under the tab entitled “Corporate Governance”. ITEM 11. EXECUTIVE COMPENSATION Information regarding executive officer and director compensation will be presented in the 2021 Proxy Statement under the section titled “Executive Compensation,” exclusive of the subsection titled “Compensation Committee Report,” and the section titled “2020 Non-Management Director Compensation,” and such information is incorporated herein by reference. ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS Information regarding security ownership of certain beneficial owners and management and related stockholder matters, as well as equity compensation plan information, will be presented in the 2021 Proxy Statement under the sections titled “Security Ownership of Certain Beneficial Owners and Management” and “Securities Authorized for Issuance Under Equity Compensation Plans,” and such information is incorporated herein by reference. ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, DIRECTOR INDEPENDENCE Information regarding certain relationships and related transactions and director independence will be presented in the 2021 Proxy Statement under the sections titled “Review of Transactions with Related Persons,” “Director Qualifications Standards” and “Director Independence,” and such information is incorporated herein by reference. ITEM 14. PRINCIPAL ACCOUNTANT FEES AND SERVICES Information regarding principal accounting fees and services will be presented in the 2021 Proxy Statement under the sections titled “Principal Accountant Fees and Services,” and such information is incorporated herein by reference. -49- Part IV ITEM 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES (a) DOCUMENTS FILED AS PART OF THIS REPORT 1. 2. See Index to Consolidated Financial Statements on page 57 hereof. See Index to Financial Statement Schedules on page 58 hereof. EXHIBIT INDEX Pursuant to the rules and regulations of the SEC, the Company has filed or incorporated by reference certain agreements as exhibits to this Annual Report on Form 10-K. These agreements may contain representations and warranties by the parties. These representations and warranties have been made solely for the benefit of the other party or parties to such agreements and (i) may have been qualified by disclosures made to such other party or parties, (ii) were made only as of the date of such agreements or such other date(s) as may be specified in such agreements and are subject to more recent developments, which may not be fully reflected in the Company’s public disclosure, (iii) may reflect the allocation of risk among the parties to such agreements and (iv) may apply these materiality standards different representations and warranties may not describe the Company’s actual state of affairs at the date hereof and should not be relied upon. from what may be viewed as material to investors. Accordingly, Exhibit Number Description 2.1 2.2 3.1 3.2 4.1 4.2 4.3 Purchase Agreement, dated as of October 27, 2017, by and among Owens Corning Finland Oy, Parry Investment S.A. and the individuals party thereto (incorporated by reference to Exhibit 2.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed February 5, 2018).+ Amendment Agreement, dated February 2, 2018, related to the Purchase Agreement, dated October 27, 2017, by and among Owens Corning Finland Oy, Parry Investment S.A. and the individuals party thereto (incorporated by reference to Exhibit 2.1 to Owens Corning’s Quarterly Report of Form 10-Q (File No. 1-33100) for the quarter ended March 31, 2018). Amended and Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.1 of Owens Corning’s Quarterly Report on Form 10-Q (File No. 1-33100), for the quarter ended March 31, 2016). Second Amended and Restated Bylaws of the Company, effective as of June 19, 2019 (incorporated by reference to Exhibit 3.1 to Owens Corning’s Current Report on Form 10-Q (File No. 1-33100), for the quarter ended June 30, 2019). Indenture, dated as of October 31, 2006, by and among Owens Corning, each of the guarantors named therein and LaSalle Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed November 2, 2006). Form of 7.000% Senior Notes due 2036 (incorporated by reference to Exhibit 4.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed November 2, 2006). First Supplemental Indenture, dated as of April 13, 2007, by and among Owens Corning, each of the guarantors named therein and LaSalle Bank National Association, as trustee (incorporated by reference to Exhibit 4.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed April 13, 2007). Exhibit Number 4.4 4.5 4.6 4.7 4.8 4.9 4.10 4.11 4.12 4.13 4.14 Description -50- Second Supplemental Indenture, dated as of December 12, 2007, by and among Owens Corning, each of the guarantors named therein and LaSalle Bank National Association, as trustee (incorporated by reference to Exhibit 4.3 to Owens Corning’s Annual Report on Form 10-K (File No. 1-33100) for the year ended December 31, 2007). Third Supplemental Indenture, dated as of April 24, 2008, by and among Owens Corning, each of the guarantors named therein and LaSalle Bank National Association, as trustee (incorporated by reference to Exhibit 4.1 to Owens Corning’s Quarterly Report on Form 10-Q (File No. 1-33100) for the quarter ended June 30, 2008). Fourth Supplemental Indenture, dated as of May 26, 2010, by and among Owens Corning, each of the guarantors named therein and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed May 28, 2010). Fifth Supplemental Indenture, dated as of October 3, 2016, by and among Owens Corning, each of the guarantors named therein and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.7 to Owens Corning’s Annual Report on Form 10-K (File No. 1-33100) for the year ended December 31,2017). Sixth Supplemental Indenture, dated as of February 27, 2017, by and among Owens Corning, each of the guarantors named therein and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.8 to Owens Corning’s Annual Report on Form 10-K (File No. 1-33100) for the year ended December 31, 2017). Seventh Supplemental Indenture, dated as of August 23, 2017, by and among Owens Corning, the guarantor named therein and Wells Fargo Bank, National Association, as successor trustee (incorporated by reference to Exhibit 4.5 to Owens Corning’s Quarterly Report on Form 10-Q (File No. 1-33100), for the quarter ended September 30, 2017). Indenture, dated as of June 2, 2009, between Owens Corning, certain of Owens Corning’s subsidiaries and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 to Owens Corning’s Registration Statement on Form S-3 (File No. 333-159689), filed June 3, 2009). Second Supplemental Indenture, dated as of May 26, 2010, by and among Owens Corning, certain subsidiaries, and Wells Fargo Bank, National Association, as Trustee (incorporated by reference to Exhibit 4.2 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed May 28, 2010). Third Supplemental Indenture, dated as of October 22, 2012, by and among Owens Corning, certain subsidiaries, and Wells Fargo Bank, National Association, as successor Trustee (incorporated by reference to Exhibit 4.1 to Owens Corning’s Current Form 8-K (File No. 1-33100), filed October 22, 2012). Form of 4.200% Senior Notes due 2022 (incorporated by reference to Exhibit 4.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed October 22, 2012). Fourth Supplemental Indenture, dated as of November 12, 2014, by and among Owens Corning, the guarantors named therein and Wells Fargo Bank, National Association, as Trustee (incorporated by reference to Exhibit 4.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100) filed November 12, 2014). 4.15 Form of 4.200% Senior Notes due 2024 (incorporated by reference to Exhibit 4.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed November 12, 2014). Exhibit Number 4.16 4.17 4.18 4.19 4.20 4.21 4.22 4.23 4.24 4.25 4.26 4.27 4.28 Description -51- Fifth Supplemental Indenture, dated as of August 8, 2016, by and among the Company, the guarantors party thereto and Wells Fargo Bank, National Association, as Trustee (incorporated by reference to Exhibit 4.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100) filed August 8, 2016). Form of 3.400% Senior Notes due 2026 (incorporated by reference to Exhibit 4.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100) filed August 8, 2016). Sixth Supplemental Indenture, dated as of October 3, 2016, by and among Owens Corning, the guarantors party thereto and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.9 to Post-Effective Amendment No. 1 to Owens Corning’s Registration Statement on Form S-3 (Registration No. 333-202011), filed June 21, 2017). Seventh Supplemental Indenture, dated as of February 27, 2017, by and among Owens Corning, the guarantors party thereto and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.10 to Post-Effective Amendment No. 1 to Owens Corning’s Registration Statement on Form S-3 (Registration No. 333-202011), filed June 21, 2017). Eighth Supplemental Indenture, dated as of June 26, 2017, by and among Owens Corning, the guarantors party thereto and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed June 26, 2017). Form of 4.300% Senior Notes due 2047 (incorporated by reference to Exhibit 4.2 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed June 26, 2017). Ninth Supplemental Indenture, dated as of August 23, 2017, by and among Owens Corning, the guarantor named therein and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.6 to Owens Corning’s Quarterly Report on Form 10-Q (File No. 1-33100), for the quarter ended September 30, 2017). Tenth Supplemental Indenture, dated as of January 25, 2018, by and among Owens Corning, the guarantors party thereto and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed January 25, 2018). Form of 4.400% Senior Notes due 2048 (incorporated by reference to Exhibit 4.2 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed January 25, 2018). Eleventh Supplemental Indenture, dated as of August 12, 2019, by and among Owens Corning and BofA Securities, Inc., Citigroup Global Markets Inc., and Wells Fargo Securities, LLC as representatives of the several underwriters named therein (incorporated by reference to Exhibit 4.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed August 12, 2019). Form of 3.950% Senior Note due 2029 (incorporated by reference to Exhibit 4.2 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed August 12, 2019). Twelfth Supplemental Indenture, dated as of May 7, 2020, by and among Owens Corning and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed May 12, 2020). Form of 3.875% Senior Note due 2030 (incorporated by reference to Exhibit 4.2 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed May 12, 2020. Exhibit Number 4.29 10.1 10.2 10.3 10.4 10.5 10.6 10.7 10.8 10.9 10.10 10.11 10.12 Description -52- Description of Securities Registered under Section 12 of the Securities Exchange Act of 1934 (incorporated by reference to Exhibit 4.26 to Owens Corning’s Annual Report on Form 10-K (File No. 1-33100) for the year ended December 31, 2019). Credit Agreement, dated as of May 4, 2018, by and among the Company, the lenders signatory thereto and Wells Fargo Bank, National Association, as administrative agent (incorporated by reference to Exhibit 10.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed May 4, 2018). Extension Agreement, dated April 9, 2019, to the Credit Agreement by and among Owens Corning, Wells Fargo Bank, National Association and other signatory lenders (incorporated by reference to Exhibit 10.2 to Owens Corning’s Quarterly Report on Form 10-Q (File 1-133100) for the quarter ended June 30, 2019). Second Amended and Restated Receivables Purchase Agreement, dated as of May 5, 2017 (incorporated by reference to Exhibit 10.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed May 9, 2017). First Amendment, dated April 12, 2018, related to the Second Amended and Restated Receivables Purchase Agreement, dated as of May 5, 2017 (incorporated by reference to Exhibit 10.1 to Owens Corning’s Quarterly Report on Form 10-Q (File No. 1-33100) for the quarter ended March 31, 2018). Second Amendment to Second Amended and Restated Receivables Purchase Agreement, dated April 8, 2019 (incorporated by reference to Exhibit 10.1 to Owens Corning’s Quarterly Report on Form 10-Q (File 1-133100) for the quarter ended June 30, 2019). Purchase and Sale Agreement, dated as of March 31, 2011, between Owens Corning Sales, LLC and Owens Corning Receivables, LLC (incorporated by reference to Exhibit 10.2 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed April 5, 2011). First Amendment to Purchase and Sale Agreement, dated as of May 5, 2017, by and between Owens Corning Sales, LLC and Owens Corning Receivables LLC (incorporated by reference to Exhibit 10.2 to Owens Corning’s Quarterly Report on Form 10-Q (File No. 1-33100), for the quarter ended June 30, 2017). Amended and Restated Performance Guaranty, dated as of May 5, 2017 (incorporated by reference to Exhibit 10.3 to Owens Corning’s Quarterly Report on Form 10-Q (File No. 1-33100), for the quarter ended June 30, 2017). Form of Key Management Severance Agreement for Executive Officers* (incorporated by reference to Exhibit 10.10 to Owens Corning’s Annual Report on Form 10-K (File No. 1-33100) for the year ended December 31, 2013).* Amended and Restated Key Management Severance Agreement with Michael H. Thaman (incorporated by reference to Exhibit 10 to Owens Corning Sales, LLC’s Annual Report on Form 10-K (File No. 1-3660) for the year ended December 31, 2005).* Amendment, dated April 16, 2015, to Key Management Severance Agreement with Michael H. Thaman (incorporated by reference to Exhibit 10.31 to Owens Corning’s Quarterly Report on Form 10-Q (File 1-33100), for the quarter ended March 31, 2015).* Transition Agreement with Michael H. Thaman, dated January 3, 2019 (incorporated by reference to Exhibit 10.16 of Owens Corning’s Annual Report on Form 10-K (File No. 1-33100) for the year ended December 31, 2018). Exhibit Number 10.13 10.14 10.15 10.16 10.17 10.18 10.19 10.20 10.21 10.22 10.23 10.24 10.25 10.26 10.27 10.28 Description -53- Form of Directors’ Indemnification Agreement (incorporated by reference to Exhibit 10.2 of Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed November 2, 2006). Owens Corning Executive Supplemental Benefit Plan, 2009 Restatement (incorporated by reference to Exhibit 10.28 to Owens Corning’s annual report on Form 10-K (File No. 1-33100) for the year ended December 31, 2008).* Owens Corning Supplemental Executive Retirement Plan, as amended and restated, effective as of January 1, 2009 (incorporated by reference to Exhibit 10.30 to Owens Corning’s annual report on Form 10-K (File No. 1-33100) for the year ended December 31, 2008).* Owens Corning 2021 Corporate Incentive Plan (filed herewith).* Owens Corning Amended and Restated Deferred Compensation Plan, effective as of January 1, 2021 (filed herewith).* Owens Corning 2010 Stock Plan (incorporated by reference to Exhibit 10.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed April 23, 2010).* Owens Corning 2013 Stock Plan (incorporated by reference to Annex C to Owens Corning’s Proxy Statement (File No 1-33100), filed March 14, 2013).* Owens Corning 2016 Stock Plan (incorporated by reference to Exhibit 10.39 to Owens Corning’s Quarterly Report on Form 10-Q (File No. 1-33100) for the quarter ended March 31, 2016).* Owens Corning 2019 Stock Plan (incorporated by reference to Exhibit 10.1 to Owens Corning’s Quarterly Report on Form 10-Q (File No. 1-33100) for the quarter ended March 31, 2019).* Amended and Restated Owens Corning Employee Stock Purchase Plan, (incorporated by reference to Exhibit 10.1 to Owens Corning’s Current Report on Form 8-K (File No. 1-33100), filed April 21, 2020).* Form of Owens Corning 2013 Long Term Incentive Program Award Agreement for Option Award (incorporated by reference to Exhibit 10.27 to Owens Corning’s Annual Report on Form 10-K (File No. 1-33100) for the year ended December 31, 2013).* Form of Owens Corning 2018 Long Term Incentive Program Award Agreement for Performance Share Units (incorporated by reference to Exhibit 10.2 to Owens Corning’s Quarterly Report on Form 10-Q (File No. 1-33100) for the quarter ended March 31, 2018). Form of Owens Corning 2018 Long Term Incentive Program Award Agreement for Restricted Stock (incorporated by reference to Exhibit 10.3 to Owens Corning’s Quarterly Report on Form 10-Q (File No. 1-33100) for the quarter ended March 31, 2018). Form of Owens Corning 2019 Long Term Incentive Program Award Agreement pursuant to the Owens Corning 2016 Stock Plan for Restricted Stock Unit Award (incorporated by reference to Exhibit 10.2 to Owens Corning’s Quarterly Report on Form 10-Q (File 1-133100) for the quarter ended March 31, 2019).* Form of Deferred Stock Unit Award Agreement for Directors (incorporated by reference to Exhibit 10.32 to Owens Corning’s Quarterly Report on Form 10-Q (File 1-33100), for the quarter ended June 30, 2015).* Form of Long Term Incentive Program Award Agreement for Restricted Stock Unit (incorporated by reference to Exhibit 10.33 to Owens Corning’s Quarterly Report on Form 10-Q (File 1-33100), for the quarter ended June 30, 2015).* Exhibit Number 10.29 10.30 10.31 Description -54- Form of Long Term Incentive Program Award Agreement for Performance Share Unit (incorporated by reference to Exhibit 10.34 to Owens Corning’s Quarterly Report on Form 10-Q (File 1-33100), for the quarter ended June 30, 2015).* Form of Owens Corning 2020 Long Term Incentive Program Award Agreement pursuant to the Owens Corning 2019 Stock Plan for Performance Share Unit Award (filed herewith).* Form of Long Term Incentive Program Award Agreement for Restricted Stock (incorporated by reference to Exhibit 10.35 to Owens Corning’s Quarterly Report on Form 10-Q (File 1-33100), for the quarter ended June 30, 2015).* 10.32 Form of Owens Corning 2020 Long Term Incentive Program Award Agreement pursuant to the Owens Corning 2019 Stock Plan for Restricted Stock Unit Award (filed herewith).* 21.1 23.1 31.1 31.2 32.1 32.2 101 Subsidiaries of Owens Corning (filed herewith). Consent of PricewaterhouseCoopers LLP (filed herewith). Certification of Chief Executive Officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a) (filed herewith). Certification of Chief Financial Officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a) (filed herewith). Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350. Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350. The following materials from the Annual Report on Form 10-K for Owens Corning for the period ended December 31, 2020, formatted in iXBRL (Inline Extensible Business Reporting Language): (i) Consolidated Statements of Earnings (Loss); (ii) Consolidated Statements of Comprehensive Earnings (Loss); (iii) Consolidated Balance Sheets (iv) Consolidated Statements of Stockholders’ Equity, (v) Consolidated Statements of Cash Flows, (vi) related notes to these financial statements and (vii) document and entity information. 104 The cover page from this Annual Report on Form 10-K, formatted as Inline XBRL + * Schedules have been omitted pursuant to Item 601(a)(5) of Regulation S-K. Owens Corning agrees to furnish supplementally to the Securities and Exchange Commission a copy of any omitted schedule upon request. Denotes management contract or compensatory plan or arrangement required to be filed as an exhibit pursuant to Form 10-K. Owens Corning agrees to furnish to the U.S. Securities and Exchange Commission, upon request, copies of all instruments defining the rights of holders of long-term debt of Owens Corning where the total amount of securities authorized under each issue does not exceed 10% of the total assets of Owens Corning and its subsidiaries on a consolidated basis. ITEM 16. FORM 10-K SUMMARY None. -55- SIGNATURES Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. OWENS CORNING By /s/ Brian D. Chambers Brian D. Chambers Chief Executive Officer (Principal Executive Officer) February 17, 2021 Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated. /s/ Brian D. Chambers Brian D. Chambers, Chief Executive Officer and Director (Principal Executive Officer) /s/ Kenneth S. Parks Kenneth S. Parks, Chief Financial Officer (Principal Financial Officer) /s/ Kelly J. Schmidt Kelly J. Schmidt, Vice President and Controller /s/ Eduardo Cordeiro Eduardo Cordeiro, Director /s/ Adrienne Elsner Adrienne Elsner, Director /s/ J. Brian Ferguson J. Brian Ferguson, Director /s/ Alfred E. Festa Alfred E. Festa, Director /s/ Ralph F. Hake Ralph F. Hake, Director February 17, 2021 February 17, 2021 February 17, 2021 February 17, 2021 February 17, 2021 February 17, 2021 February 17, 2021 February 17, 2021 /s/ Edward F. Lonergan Edward F. Lonergan, Director /s/ Maryann T. Mannen Maryann T. Mannen, Director /s/ Paul E. Martin Paul E. Martin, Director /s/ W. Howard Morris W. Howard Morris, Director /s/ Suzanne P. Nimocks Suzanne P. Nimocks, Director /s/ John D. Williams John D. Williams, Director -56- February 17, 2021 February 17, 2021 February 17, 2021 February 17, 2021 February 17, 2021 February 17, 2021 -57- INDEX TO CONSOLIDATED FINANCIAL STATEMENTS ITEM PAGE Management’s Report on Internal Control Over Financial Reporting Report of Independent Registered Public Accounting Firm Consolidated Statements of Earnings (Loss) Consolidated Statements of Comprehensive Earnings (Loss) Consolidated Balance Sheets Consolidated Statements of Stockholders’ Equity Consolidated Statements of Cash Flows Notes to Consolidated Financial Statements 1. Business and summary of significant accounting policies 2. Segment information 3. Inventories 4. Derivative financial instruments 5. Goodwill and other intangible assets 6. Property, plant and equipment 7. Leases 8. Total current liabilities 9. Warranties 10. Restructuring and acquisition-related costs 11. Debt 12. Pension plans 13. Postemployment and postretirement benefits other than pensions 14. Contingent liabilities and other matters 15. Stock compensation 16. Changes in accumulated other comprehensive deficit 17. Earnings per share 18. Income taxes 58 59 63 64 65 66 67 68 68 76 80 80 83 86 86 88 89 89 91 94 101 104 105 110 111 112 -58- Management’s Report on Internal Control Over Financial Reporting Management of the Company is responsible for establishing and maintaining adequate internal control over financial reporting as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Securities Exchange Act of 1934. Management has assessed the effectiveness of the Company’s internal control over financial reporting as of December 31, 2020 based on criteria established in the Internal Control-Integrated Framework in 2013 issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). PricewaterhouseCoopers LLP has audited the effectiveness of the internal controls over financial reporting as of December 31, 2020 as stated in their Report of Independent Registered Public Accounting Firm on page 55 hereof. Based on our assessment, management determined that, as of December 31, 2020, the Company’s internal control over financial reporting was effective. /s/ Brian D. Chambers Brian D. Chambers, Chief Executive Officer (Principal Executive Officer) /s/ Kenneth S. Parks Kenneth S. Parks, Chief Financial Officer (Principal Financial Officer) February 17, 2021 February 17, 2021 -59- Report of Independent Registered Public Accounting Firm To the Board of Directors and Stockholders of Owens Corning: Opinions on the Financial Statements and Internal Control over Financial Reporting We have audited the accompanying consolidated balance sheets of Owens Corning and its subsidiaries (the “Company”) as of December 31, 2020 and 2019, and the related consolidated statements of earnings (loss), of comprehensive earnings (loss), of stockholders’ equity and of cash flows for each of the three years in the period ended December 31, 2020, including the related notes and schedule of valuation and qualifying accounts and reserves for each of the three years in the period ended December 31, 2020 appearing on page 111 (collectively referred to as the “consolidated financial statements”). We also have audited the Company’s internal control over financial reporting as of December 31, 2020, based on criteria established in Internal Control—Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of the Company as of December 31, 2020 and 2019, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2020 in conformity with accounting principles generally accepted in the United States of America. Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2020, based on criteria established in Internal Control—Integrated Framework (2013) issued by the COSO. Change in Accounting Principles As discussed in Note 1 to the consolidated financial statements, the Company changed the manner in which it accounts for leases in 2019. Basis for Opinions The Company’s management is responsible for these consolidated financial statements, for maintaining effective internal control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Report on Internal Control Over Financial Reporting. Our responsibility is to express opinions on the Company’s consolidated financial statements and on the Company’s internal control over financial reporting based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB. We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud, and whether effective internal control over financial reporting was maintained in all material respects. Our audits of the consolidated financial statements included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidated financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the consolidated financial statements. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audits also included performing such other procedures as we considered necessary in the circumstances. We believe that our audits provide a reasonable basis for our opinions. Definition and Limitations of Internal Control over Financial Reporting -60- A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements. Because of its inherent internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate. limitations, Critical Audit Matters The critical audit matters communicated below are matters arising from the current period audit of the consolidated financial statements that were communicated or required to be communicated to the audit committee and that (i) relate to accounts or disclosures that are material to the consolidated financial statements and (ii) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matters below, providing separate opinions on the critical audit matters or on the accounts or disclosures to which they relate. Goodwill Impairment Assessments—Insulation Reporting Unit As described in Notes 1 and 5 to the consolidated financial statements, the Company’s consolidated goodwill balance was $989 million as of December 31, 2020, and the goodwill associated with the Insulation reporting unit was $532 million. Management tests goodwill for impairment as of October 1st each year, or more frequently should circumstances change or events occur that would more likely than not reduce the fair value of a reporting unit below its carrying amount. During the first quarter of 2020, management performed its assessment to consider whether events or circumstances had occurred that could more likely than not reduce the fair value of a reporting unit below its carrying value. The Company’s significant share price reduction during the ongoing COVID-19 pandemic, the narrow cushion on the Insulation reporting unit and the high level of near-term macroeconomic uncertainty caused management to perform an interim goodwill impairment test as of March 31, 2020 over the Insulation reporting unit. Based on the results of this testing, management recorded a $944 million pre-tax non-cash impairment charge. Management estimates fair value using a discounted cash flow approach from the perspective of a market participant. Significant assumptions used in the discounted cash flow approach are revenue growth rates and earnings before interest and taxes (“EBIT”) margins used in estimating the discrete period cash flow forecasts of the reporting unit, the discount rate, and the long-term revenue growth rate and EBIT margins used in estimating the terminal business value. The principal considerations for our determination that performing procedures relating to the goodwill impairment assessments of the Insulation reporting unit is a critical audit matter are (i) the significant judgment by management when developing the fair value measurement of the reporting unit; (ii) a high degree of auditor judgment, subjectivity and effort in performing procedures and evaluating management’s significant assumptions related to the revenue growth rates and EBIT margins used in estimating the discrete period cash flow forecasts of the reporting unit, the discount rate, and the long-term revenue growth rate and EBIT margin used in -61- estimating the terminal business value; and (iii) the audit effort involved the use of professionals with specialized skill and knowledge. Addressing the matter involved performing procedures and evaluating audit evidence in connection with forming our overall opinion on the consolidated financial statements. These procedures included testing the effectiveness of controls relating to management’s goodwill impairment assessments, including controls over the review of significant assumptions used in the valuation of the Insulation reporting unit. These procedures also included, among others (i) testing management’s process for developing the fair value measurement of the Insulation reporting unit; (ii) evaluating the appropriateness of the discounted cash flow approach; (iii) testing the completeness and accuracy of underlying data used in the approach; and (iv) evaluating the reasonableness of the significant assumptions used by management related to the revenue growth rates and EBIT margins used in estimating the discrete period cash flow forecasts, the discount rate, and the long-term revenue growth rate and EBIT margin used in estimating the terminal business value. Evaluating management’s assumptions related to the revenue growth rates and EBIT margins used in estimating the discrete period cash flow forecasts and EBIT margin used in estimating the terminal business value involved evaluating whether the assumptions used by management were reasonable considering (i) the current and past performance of the reporting unit; (ii) the consistency with external market and industry data; and (iii) whether these assumptions were consistent with evidence obtained in other areas of the audit. Professionals with specialized skill and knowledge were used to assist in the evaluation of management’s discounted cash flow approach and the discount rate and long-term revenue growth rate assumptions. Indefinite-Lived Intangible Asset Impairment Assessments—One Trademark and One Trade Name in the Insulation Segment As described in Notes 1 and 5 to the consolidated financial statements, the Company’s consolidated intangible assets, net balance was $1,667 million as of December 31, 2020, which includes $1,109 million of trademarks and trade names. Management tests indefinite-lived intangible assets for impairment as of October 1st each year, or more frequently should circumstances change or events occur that would more likely than not reduce the fair value below its carrying amount. In the first quarter of 2020, management performed an interim impairment test of one indefinite-lived trademark and one trade name used by the Company’s Insulation segment, based on the macroeconomic conditions that precipitated the interim goodwill impairment test described above. Based on the results of this testing, management recorded pre-tax non-cash impairment charges totaling $43 million in the first quarter of 2020 related to one trademark and one trade name in the Insulation segment. The assets affected by this impairment charge had an aggregate carrying value of $264 million as of December 31, 2020. Management uses the royalty relief approach to determine whether it is more likely than not that the fair value of these assets is less than its carrying amount. When applying the royalty relief approach, management performs a discounted cash flow analysis based on the value derived from owning these trademarks and trade names and being relieved from paying royalty to third parties. Significant assumptions used include the discrete-period revenue growth rates, royalty rates, discount rates, and terminal value. The principal considerations for our determination that performing procedures relating to the indefinite-lived intangible asset impairment assessments for one trademark and one trade name in the Insulation segment is a critical audit matter are (i) the significant judgment by management when developing the fair value measurement of the trademark and trade name; (ii) a high degree of auditor judgment, subjectivity and effort in performing procedures and evaluating management’s significant assumptions related to the discrete-period revenue growth rates, royalty rates, and discount rates; and (iii) the audit effort involved the use of professionals with specialized skill and knowledge. Addressing the matter involved performing procedures and evaluating audit evidence in connection with forming our overall opinion on the consolidated financial statements. These procedures included testing the effectiveness of controls relating to management’s indefinite-lived intangible asset impairment assessments, including controls over the review of significant assumptions used in the valuation of the Insulation trademark and trade name. -62- These procedures also included, among others (i) testing management’s process for developing the fair value measurements of the Insulation trademark and trade name; (ii) evaluating the appropriateness of the royalty relief approach; (iii) testing the completeness and accuracy of underlying data used in the approach; and (iv) evaluating the reasonableness of the significant assumptions used by management related to the discrete period revenue growth rates, royalty rates, and discount rates. Evaluating management’s assumptions related to the discrete- period revenue growth rates, royalty rates, and discount rates used in estimating the fair value of the trademark and trade name involved evaluating whether the assumptions used by management were reasonable considering (i) the current and past performance of the business associated with the Insulation trademark and trade name; (ii) the consistency with external market and industry data; and (iii) whether these assumptions were consistent with evidence obtained in other areas of the audit. Professionals with specialized skill and knowledge were used to assist in the evaluation of the discount rates. Toledo, Ohio February 17, 2021 We have served as the Company’s auditor since 2002. -63- OWENS CORNING AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF EARNINGS (LOSS) (in millions, except per share amounts) Twelve Months Ended December 31, 2019 2018 2020 NET SALES COST OF SALES Gross margin OPERATING EXPENSES Marketing and administrative expenses Science and technology expenses Goodwill impairment charge Other expenses, net Total operating expenses OPERATING INCOME (LOSS) Non-operating expense (income) EARNINGS (LOSS) BEFORE INTEREST AND TAXES Interest expense, net Loss on extinguishment of debt EARNINGS (LOSS) BEFORE TAXES Income tax expense Equity in net earnings (loss) of affiliates NET EARNINGS (LOSS) Net earnings (loss) attributable to noncontrolling interests $7,055 5,445 $7,160 5,551 $7,057 5,425 1,610 1,609 1,632 664 82 944 58 1,748 (138) (14) (124) 132 — (256) 129 — (385) 698 87 — 37 822 787 34 753 131 32 590 186 1 405 (2) — 700 89 — 36 825 807 (14) 821 117 — 704 156 (1) 547 2 NET EARNINGS (LOSS) ATTRIBUTABLE TO OWENS CORNING $ (383) $ 405 $ 545 EARNINGS (LOSS) PER COMMON SHARE ATTRIBUTABLE TO OWENS CORNING COMMON STOCKHOLDERS Basic Diluted WEIGHTED AVERAGE COMMON SHARES Basic Diluted $ (3.53) $ 3.71 $ (3.53) $ 3.68 $ 4.94 $ 4.89 108.6 108.6 109.2 110.1 110.4 111.4 The accompanying Notes to the Consolidated Financial Statements are an integral part of this Statement. -64- OWENS CORNING AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS (LOSS) (in millions) Twelve Months Ended December 31, 2019 2018 2020 NET EARNINGS (LOSS) Currency translation adjustment (net of tax of $(4), $(4) and $(4), for the periods ended December 31, 2020, 2019 and 2018, respectively) Pension and other postretirement adjustment (net of tax of $14, $(10), and $6, for the periods ended December 31, 2020, 2019 and 2018, respectively) Hedging adjustment (net of tax of $(3), $1 and $0, for the periods ended December 31, 2020, 2019 and 2018, respectively) COMPREHENSIVE EARNINGS (LOSS) Comprehensive earnings (loss) attributable to noncontrolling interests COMPREHENSIVE EARNINGS (LOSS) ATTRIBUTABLE TO OWENS CORNING $(385) $405 $ 547 62 (46) 24 24 6 (2) (363) 451 (2) — (123) (19) — 405 2 $(361) $451 $ 403 The accompanying Notes to the Consolidated Financial Statements are an integral part of this Statement. -65- OWENS CORNING AND SUBSIDIARIES CONSOLIDATED BALANCE SHEETS (in millions) ASSETS CURRENT ASSETS Cash and cash equivalents Receivables, less allowances of $10 at December 31, 2020 and $11 at $ 717 $ 172 December 31, 2020 December 31, 2019 December 31, 2019 Inventories Other current assets Total current assets Property, plant and equipment, net Operating lease right-of-use assets Goodwill Intangible assets, net Deferred income taxes Other non-current assets TOTAL ASSETS LIABILITIES AND EQUITY Total current liabilities Long-term debt, net of current portion Pension plan liability Other employee benefits liability Non-current operating lease liabilities Deferred income taxes Other liabilities OWENS CORNING STOCKHOLDERS’ EQUITY Preferred stock, par value $0.01 per share (a) Common stock, par value $0.01 per share (b) Additional paid in capital Accumulated earnings Accumulated other comprehensive deficit Cost of common stock in treasury (c) Total Owens Corning stockholders’ equity Noncontrolling interests Total equity 919 855 115 2,606 3,809 154 989 1,667 28 228 770 1,033 86 2,061 3,855 203 1,932 1,721 46 188 $ 9,481 $10,006 $ 1,440 3,126 159 171 99 332 213 — 1 4,059 1,829 (588) (1,400) 3,901 40 3,941 $ 1,329 2,986 231 179 138 272 200 — 1 4,051 2,319 (610) (1,130) 4,631 40 4,671 TOTAL LIABILITIES AND EQUITY $ 9,481 $10,006 (a) 10 shares authorized; none issued or outstanding at December 31, 2020 and December 31, 2019 (b) 400 shares authorized; 135.5 issued and 105.6 outstanding at December 31, 2020; 135.5 issued and 109.0 outstanding at December 31, 2019 (c) 29.9 shares at December 31, 2020 and 26.5 shares at December 31, 2019 The accompanying Notes to the Consolidated Financial Statements are an integral part of this Statement. -66- OWENS CORNING AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (in millions) Common Stock Outstanding Treasury Stock Shares Par Value Shares Cost APIC (a) Accumulated Earnings AOCI (b) NCI (c) Total Balance at December 31, 2017 111.5 $ 1 24.0 $ (911) $4,011 $1,575 $(514) $ 42 $4,204 Net earnings attributable to Owens Corning Net earnings attributable to noncontrolling interests Currency translation adjustment Pension and other postretirement adjustment (net of tax) Issuance of common stock under share-based payment plans Purchases of treasury stock Stock-based compensation expense Cumulative effect of accounting change (d) Dividends declared (e) — — — — 1.0 (3.0) — — — — — — — — — — — — — — — — (1.0) 3.0 — — — — — — — 44 (236) — — — — — — — (30) — 47 — — 545 — — 545 — — — — — — (12) (95) — (123) (19) — — — — — 2 (2) — — — — — (1) 2 (125) (19) 14 (236) 47 (12) (96) Balance at December 31, 2018 109.5 $ 1 26.0 $(1,103) $4,028 $2,013 $(656) $ 41 $4,324 Net earnings attributable to Owens Corning Currency translation adjustment Pension and other postretirement adjustment (net of tax) Deferred gain on hedging transactions (net of tax) Issuance of common stock under share-based payment plans Purchases of treasury stock Stock-based compensation expense Dividends declared (e) — — — — 0.8 (1.3) — — — — — — — — — — — — — — (0.8) 1.3 — — — — — — 34 (61) — — — — — — (16) — 39 — 405 — — — — — — (99) — 24 24 (2) — — — — — (1) — — — — — — 405 23 24 (2) 18 (61) 39 (99) Balance at December 31, 2019 109.0 $ 1 26.5 $(1,130) $4,051 $2,319 $(610) $ 40 $4,671 Net loss attributable to Owens Corning Net loss attributable to noncontrolling interests Currency translation adjustment Pension and other postretirement adjustment (net of tax) Deferred loss on hedging transactions (net of tax) Issuance of common stock under share-based payment plans Purchases of treasury stock Stock-based compensation expense Dividends declared (e) — — — — — 1.1 (4.5) — — — — — — — — — — — — — — — — — — — — — (1.1) 4.5 — — 48 (318) — — — — — — — (33) — 41 — (383) — — — — — — — (107) — — 62 (46) 6 — — — — — (383) (2) 3 — — — — — (1) (2) 65 (46) 6 15 (318) 41 (108) Balance at December 31, 2020 105.6 $ 1 29.9 $(1,400) $4,059 $1,829 $(588) $ 40 $3,941 (a) Additional Paid in Capital (APIC) (b) Accumulated Other Comprehensive Earnings (Deficit) (“AOCI”) (c) Noncontrolling Interest (“NCI”) (d) Cumulative effect of accounting change relates to our adoption of ASU 2014-09 “Revenue from Contracts with Customers (Topic 606)” and ASU 2016-16 “Intra-Entity Transfers of Assets Other Than Inventory (Topic 740).” (e) Dividend declarations of $0.98 per share as of December 31, 2020, $0.90 per share as of December 31, 2019, and $0.85 per share as of December 31, 2018. The accompanying Notes to the Consolidated Financial Statements are an integral part of this Statement. -67- OWENS CORNING AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF CASH FLOWS (in millions) NET CASH FLOW PROVIDED BY OPERATING ACTIVITIES Net earnings (loss) Adjustments to reconcile net earnings (loss) to cash provided by operating activities: Depreciation and amortization Deferred income taxes Provision for pension and other employee benefits liabilities Stock-based compensation expense Goodwill impairment charge Intangible assets impairment charge Loss on extinguishment of debt Other adjustments to reconcile net earnings (loss) to cash provided by operating activities Change in operating assets and liabilities: Changes in receivables, net Changes in inventories Changes in accounts payable and accrued liabilities Changes in other operating assets and liabilities Pension fund contributions Payments for other employee benefits liabilities Other Net cash flow provided by operating activities NET CASH FLOW USED FOR INVESTING ACTIVITIES Cash paid for property, plant and equipment Derivative settlements Proceeds from the sale of assets or affiliates Investment in subsidiaries and affiliates, net of cash acquired Net cash flow used for investing activities NET CASH FLOW (USED FOR) PROVIDED BY FINANCING ACTIVITIES Proceeds from senior revolving credit and receivables securitization facilities Payments on senior revolving credit and receivables securitization facilities Proceeds from term loan borrowing Payments on term loan borrowing Proceeds from long-term debt Payments on long-term debt Dividends paid Net (decrease) increase in short-term debt Purchases of treasury stock Other Net cash flow (used for) provided by financing activities Effect of exchange rate changes on cash Net increase (decrease) in cash, cash equivalents and restricted cash Cash, cash equivalents and restricted cash at beginning of period CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD DISCLOSURE OF CASH FLOW INFORMATION Cash paid during the year for income taxes Cash paid during the year for interest Twelve Months Ended December 31, 2019 2018 2020 $ (385) $ 405 $ 547 493 86 (3) 41 944 43 — (40) (109) 189 25 (11) (122) (13) (3) 1,135 (307) 50 52 — (205) 876 (876) — (200) 297 — (104) (19) (318) (14) (358) (27) 545 179 457 118 45 39 — — 32 433 141 — 47 — — — (28) (49) 19 35 (11) (10) (46) (15) (3) 1,037 (447) 31 22 — (394) 2,172 (2,248) — (300) 445 (484) (95) 4 (61) (6) (573) 24 94 85 39 (216) (89) 7 (40) (19) 2 803 (537) 64 27 (1,143) (1,589) 1,954 (1,879) 600 (100) 389 — (92) 16 (236) (5) 647 (29) (168) 253 $ 724 78 $ $ 135 $ $ $ 179 58 131 $ $ $ 85 91 158 The accompanying Notes to the Consolidated Financial Statements are an integral part of this Statement. -68- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS 1. BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Description of Business Owens Corning, a Delaware corporation, is a global building and construction materials leader that manufactures and delivers a broad range of high-quality insulation, roofing and fiberglass composite materials. The Company operates within three segments: Composites, Insulation and Roofing. Through these lines of business, Owens Corning manufactures and sells products worldwide. The Company maintains leading market positions in many of its major product categories. General On February 4, 2021, the Board of Directors declared a quarterly dividend of $0.26 per common share payable on April 2, 2021 to shareholders of record as of March 5, 2021. Basis of Presentation Unless the context requires otherwise, the terms “Owens Corning,” “Company,” “we” and “our” in these notes refer to Owens Corning and its subsidiaries. The accompanying Consolidated Financial Statements have been prepared in accordance with accounting principles generally accepted in the United States. Principles of Consolidation The Consolidated Financial Statements of the Company include the accounts of majority-owned subsidiaries. Intercompany accounts and transactions are eliminated. Reclassifications Certain reclassifications have been made to the 2019 and 2018 Consolidated Financial Statements and Notes to the Consolidated Financial Statements to conform to the classifications used in 2020. Use of Estimates and Assumptions The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ materially from those estimates. Revenue Recognition We recognize revenue as the amount of consideration that we expect to receive in exchange for transferring promised goods or services to customers. We do not adjust the transaction price for the effects of a significant financing component, as the time period between control transfer of goods and services and expected payment is one year or less. At the time of sale, we estimate provisions for different forms of variable consideration (discounts, rebates, returns and other refund liabilities) based on historical experience, current conditions and -69- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 1. BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (continued) contractual obligations, as applicable. The estimated transaction price is typically not subject to significant reversals. We adjust these estimates when the most likely amount of consideration we expect to receive changes, although these changes are typically minor. Sales, value-added and other similar taxes that we collect are excluded from revenue. Many of our customer volume commitments are short-term and our performance obligations are generally limited to single purchase orders. Substantially all of our revenue is recognized at a point-in-time when control of goods transfers to the customer. Control transfer typically occurs when goods are shipped from our facilities or at other predetermined control transfer points (for instance, destination terms or consignment arrangements). We typically do not satisfy performance obligations without obtaining an unconditional right to payment from customers and, therefore, do not carry contract asset balances on the Consolidated Balance Sheets. Contract liability balances are recorded separately from receivables on the Consolidated Balance Sheets in either Total current liabilities or Other liabilities, depending on the timing of performance obligation satisfaction. We sell separately-priced warranties that extend certain product and workmanship coverages beyond our standard product warranty, which is described in Note 9. The up-front consideration on extended warranty contracts is deferred and recognized as revenue over time, based on the respective coverage period, ranging from 16 to 20 years. On an annual basis, we expect to recognize approximately $4 million of revenue associated with these extended warranty contracts. Additionally, in certain limited cases, we receive consideration before goods or services are transferred to the customer. These customer down payments and deposits are deferred, and typically recognized as revenue in the following quarter when we satisfy the related performance obligations. As of December 31, 2019, our contract liability balances (for extended warranties, down payments and deposits, collectively) totaled $60 million, of which $19 million was recognized as revenue throughout 2020. As of December 31, 2020, our contract liability balances totaled $66 million. As a practical expedient, we recognize incremental costs of obtaining a contract, if any, as an expense when incurred if the amortization period of the asset would have been one year or less. We do not have any costs to obtain or fulfill a contract that are capitalized under Accounting Standard Codification (ASC) 606. Cost of Sales Cost of sales includes material, labor, energy and manufacturing overhead costs, including depreciation and amortization expense associated with the manufacture and distribution of the Company’s products. Provisions for warranties are provided in the same period that the related sales are recorded and are based on historical experience, current conditions and contractual obligations, as applicable. Distribution costs include inbound freight costs; purchasing and receiving costs; inspection costs; warehousing costs; shipping and handling costs, which include costs incurred relating to preparing, packaging, and shipping products to customers; and other costs of the Company’s distribution network. We account for shipping and handling activities that occur after control of the related good transfers as fulfillment activities instead of performance obligations. All shipping and handling costs billed to the customer are included as net sales in the Consolidated Statements of Earnings (Loss). Marketing and Advertising Expenses Marketing and advertising expenses are included in Marketing and administrative expenses. These costs include advertising and marketing communications, which are expensed the first time the advertisement takes place. -70- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 1. BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (continued) Marketing and advertising expenses for the years ended December 31, 2020, 2019 and 2018 were $98 million, $117 million and $120 million, respectively. Science and Technology Expenses The Company incurs certain expenses related to science and technology. These expenses include salaries, building and equipment costs, utilities, administrative expenses, materials and supplies associated with the improvement and development of the Company’s products and manufacturing processes. These costs are expensed as incurred. Earnings per Share Basic earnings (loss) per share are computed using the weighted-average number of common shares outstanding during the period. Diluted earnings (loss) per share reflect the dilutive effect of common equivalent shares and increased shares that would result from the conversion of equity securities. The effects of anti-dilution are not presented. Cash, Cash Equivalents and Restricted Cash The Company defines cash and cash equivalents as cash and time deposits with maturities of three months or less when purchased. On the Consolidated Statements of Cash Flows, the total of Cash, cash equivalents and restricted cash includes restricted cash of $7 million as of December 31, 2020, 2019 and 2018. Restricted cash primarily represents amounts received from a counterparty related to its performance assurance on an executory contract, and is included in Other current assets on the Consolidated Balance Sheets. These amounts are contractually required to be set aside, and the counterparty can exchange the cash for another form of performance assurance at its discretion. Accounts Receivable Trade accounts receivable are recorded at the invoiced amount and do not bear interest. Consistent with the requirements of ASU 2016-13, “Financial Instruments—Credit Losses (Topic 236),” the allowance for doubtful accounts is based on the Company’s assessment of the collectability of customer accounts. The Company regularly reviews the allowance by considering factors such as historical experience, credit quality, the age of the accounts receivable balances, and current economic conditions that may affect a customer’s ability to pay. Account balances are charged off against the allowance when the Company believes it is probable the receivable will not be recovered. Inventory Valuation Inventory costs include material, including depreciation and amortization expense associated with the manufacture and distribution of the Company’s products. Inventories are stated at lower of cost or net realizable value and expense estimates are made for excess and obsolete inventories. Cost is determined by the first-in, first-out (“FIFO”) method. labor, and manufacturing overhead costs, Investments in Affiliates The Company accounts for investments in affiliates of 20% to 50% ownership when the Company does not have a controlling financial interest using the equity method under which the Company’s share of earnings and losses -71- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 1. BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (continued) of the affiliate is reflected in earnings, and dividends are credited against the investment in affiliate when declared. Investments in affiliates are recorded in Other non-current assets on the Consolidated Balance Sheets and as of December 31, 2020 and 2019, the total value of investments was $51 million. Goodwill and Other Intangible Assets Goodwill assets are not amortized but are tested for impairment on at least an annual basis. In the current year, as part of the annual assessment, the Company used both a qualitative and quantitative approach to determine whether the fair value of a reporting unit was less than its carrying amount. include macro-economic Events and circumstances we consider in performing the qualitative assessment conditions, market and industry conditions, internal cost factors, and the overall financial performance of the reporting units. As part of our quantitative testing process for goodwill, the Company estimates fair values using a discounted cash flow approach from the perspective of a market participant. Significant assumptions used in the discounted cash flow approach are revenue growth rates and earnings before interest and taxes (“EBIT”) margins used in estimating discrete period cash flow forecasts of the reporting unit, the discount rate, and the long-term revenue growth rate and EBIT margins used in estimating the terminal business value. The cash flow forecasts of the reporting units are based upon management’s long-term view of our markets and are the forecasts that are used by senior management and the Board of Directors to evaluate operating performance. The discount rate utilized is management’s estimate of what the market’s weighted average cost of capital is for a company with a similar debt rating and stock volatility, as measured by beta. The terminal business value is determined by applying the long-term growth rate to the latest year for which a forecast exists. As part of our goodwill quantitative testing process, we would evaluate whether there are reasonably likely changes to management’s estimates that would have a material impact on the results of the goodwill impairment testing. Other indefinite-lived intangible assets are not amortized but are tested for impairment on at least an annual basis or when determined to have a finite useful life. Substantially all of the indefinite-lived intangible assets are in trademarks and trade names. The Company uses the royalty relief approach to determine whether it is more likely than not that the fair value of these assets is less than its carrying amount. This review is performed annually, or when circumstances arise which indicate there may be impairment. When applying the royalty relief approach, the Company performs a discounted cash flow analysis based on the value derived from owning these trademarks and trade names and being relieved from paying royalty to third parties. Significant assumptions used include the discrete period revenue growth rates, royalty rates, discount rates, and terminal value. The inputs for the goodwill and indefinite-lived intangible tests are considered Level 3 inputs under the fair value hierarchy as they are the Company’s own data, and are unobservable in the marketplace. Indefinite-lived intangible assets purchased through acquisition are generally tested qualitatively for impairment in the first year following the acquisition before transitioning to the standard methodology described herein in subsequent years. Properties and Depreciation Property, plant and equipment are stated at cost and depreciated over their estimated useful lives using the straight-line method. Property, plant and equipment accounts are relieved of the cost and related accumulated depreciation when assets are disposed of or otherwise retired. Precious metals used in our production tooling are included in property, plant and equipment and are depleted as they are consumed during the production process. Depletion typically represents an annual expense of less than 3% of the outstanding value and is recorded in Cost of sales on the Consolidated Statements of Earnings (Loss). -72- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 1. BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (continued) The range of useful lives for the major components of the Company’s plant and equipment is as follows: Buildings and leasehold improvements Machinery and equipment Furnaces Information systems Equipment 15 – 40 years 4 – 15 years 5 – 10 years 5 – 20 years Expenditures for normal maintenance and repairs are expensed as incurred. Asset Impairments The Company evaluates tangible and intangible long-lived assets for impairment when triggering events have occurred. This requires significant assumptions including projected cash flows, projected income tax rate and terminal business value. These inputs are considered Level 3 inputs under the fair value hierarchy as they are the Company’s own data, and are unobservable in the marketplace. Changes in management intentions, market conditions or operating performance could indicate that impairment charges might be necessary that could be material to the Company’s Consolidated Financial Statements in any given period. Please refer to Note 5 for additional detail on impairment charges recorded in 2020. Income Taxes The Company recognizes current tax liabilities and assets for the estimated taxes payable or refundable on the tax returns for the current year. Deferred tax balances reflect the impact of temporary differences between the carrying amount of assets and liabilities and their tax basis. Amounts are stated at enacted tax rates expected to be in effect when taxes are actually paid or recovered. In addition, realization of certain deferred tax assets is dependent upon our ability to generate future taxable income. The Company records a valuation allowance to reduce its deferred tax assets to the amount that it believes is more likely than not to be realized. In addition, the Company estimates tax reserves to cover potential taxing authority claims for income taxes and interest attributable to audits of open tax years. Taxes Collected from Customers and Remitted to Government Authorities and Taxes Paid to Vendors rates on many different Taxes are assessed by various governmental authorities at different types of transactions. The Company charges sales tax or value-added tax (VAT) on sales to customers where applicable, as well as captures and claims back all available VAT that has been paid on purchases. VAT is recorded in separate payable or receivable accounts and does not affect revenue or cost of sales line items in the income statement. VAT receivable is recorded as a percentage of qualifying purchases at the time the vendor invoice is processed. VAT payable is recorded as a percentage of qualifying sales at the time an Owens Corning sale to a customer subject to VAT occurs. Amounts are paid to the taxing authority according to the method and collection prescribed by local regulations. Where applicable, VAT payable is netted against VAT receivable. The Company also pays sales tax to vendors who include a tax, required by government regulations, to the purchase price charged to the Company. Pension and Other Postretirement Benefits Accounting for pensions and other postretirement benefits involves estimating the cost of benefits to be provided well into the future and attributing that cost over the time period each employee works. To accomplish this, -73- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 1. BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (continued) extensive use is made of assumptions about investment returns, discount rates, inflation, mortality, turnover and medical costs. Derivative Financial Instruments The Company recognizes all derivative instruments as either assets or liabilities at fair value on the balance sheet. Please refer to Note 4 for further disclosure on derivatives. The Company performs an analysis for effectiveness of its derivatives designated as hedging instruments at the end of each quarter based on the terms of the contracts and the underlying items being hedged. The change in the fair value of cash flow hedges is deferred in Accumulated other comprehensive income (deficit) (“AOCI”) and is subsequently recognized in Cost of sales (for commodity and foreign currency cash flow hedges) on the Consolidated Statements of Earnings (Loss) in order to mirror the location of the hedged items impacting earnings. Cash settlements for commodity and foreign currency hedges qualifying as cash flow hedges are included in Operating activities in the Consolidated Statements of Cash Flows. The Company has translation exposure resulting from translating the financial statements of foreign subsidiaries into U.S. Dollars, which is recognized in Currency translation adjustment (a component of AOCI). The Company uses cross-currency forward contracts to hedge a portion of the net investment in foreign subsidiaries against fluctuations in foreign exchange rates. The changes in fair values of these derivative instruments are recognized in Currency translation adjustment (a component of AOCI), with recognition of the excluded components amortized to Interest expense, net on the Consolidated Statements of Earnings (Loss). Cash settlements for investment hedges are included in Investing activities in the Consolidated derivatives qualifying as net Statements of Cash Flows. The Company uses forward currency exchange contracts to manage existing exposures to foreign exchange risk related to assets and liabilities recorded on the Consolidated Balance Sheets. Gains and losses resulting from the changes in fair value of these instruments are recorded in Other expenses, net on the Consolidated Statements of Earnings (Loss), and are substantially offset by net revaluation impacts on foreign currency denominated balance sheet exposures (which are also recorded in Other expenses, net). Cash settlements for non-designated derivatives are included in the Consolidated Statements of Cash Flows in the category that is consistent with the nature of the derivative instrument, which is generally the same category as the underlying item being hedged. Fair Value Measurements The carrying value of cash and cash equivalents, accounts receivable and short-term debt approximate fair value because of the short-term maturity of the instruments. The Company uses widely accepted valuation tools to determine fair value of our derivatives, such as discounting cash flows to calculate a present value for the derivatives. Our derivatives consist of natural gas forward swaps, cross currency swaps and foreign exchange forward contracts, all of which are over-the-counter and not traded through an exchange. The models use Level 2 inputs, such as forward curves and other commonly quoted observable transactions and prices. The fair value of our derivatives and hedging instruments are all classified as Level 2 investments within the three-tier hierarchy. Please refer to Notes 4 and 11 for additional fair value disclosure of derivative financial instruments and long- term debt, respectively. -74- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 1. BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (continued) Foreign Currency The functional currency of the Company’s subsidiaries is generally the applicable local currency. Assets and liabilities of foreign subsidiaries are translated into United States Dollars at the period-end rate of exchange, and their Statements of Earnings and Statements of Cash Flows are converted on an ongoing basis at the monthly average rate. The resulting translation adjustment is included in AOCI in the Consolidated Balance Sheets and Consolidated Statements of Stockholders’ Equity. Transaction gains and losses that arise from exchange rate fluctuations on transactions denominated in a currency other than the functional currency are recorded in Other expenses, net in the Consolidated Statements of Earnings (Loss) as incurred. As discussed in the Derivative Financial Instruments section above, the Company uses non-designated foreign currency derivative financial instruments to mitigate this risk. The Company recorded foreign currency transactional gains (net of associated derivative activity) of $6 million, $12 million and $7 million during the years ended December 31, 2020, 2019, and 2018, respectively. Please refer to Note 4 for additional disclosures related to non-designated derivatives. Accounting Pronouncements The following table summarizes recent accounting standard updates (ASU) issued by the Financial Accounting Standards Board (FASB) that could have an impact on the Company’s Consolidated Financial Statements: Standard Description Recently adopted standards: ASU 2018-14 “Compensation- Retirement Benefits- Defined Benefit Plans- General (Subtopic 715-20) This standard modifies the disclosure requirements for employers that sponsor defined benefit pension or other postretirement plans. ASU 2016-13 “Financial Instruments – Credit Losses (Topic 326),” as amended by ASU 2018-19, 2019-04, 2019-05, 2019-10, 2019-11, and 2020-02 This standard replaces the incurred loss methodology for recognizing credit losses with a current expected credit losses model and applies to all financial assets, including trade receivables. Entities will adopt the standard using a modified-retrospective approach. Effective Date for Company Effect on the Consolidated Financial Statements January 1, 2020 We adopted this guidance using the retrospective approach for the year ended December 31, 2020. The adoption of this guidance did not have a material effect on our consolidated financial statements. Please refer to Notes 12 and 13 for relevant disclosure requirements. January 1, 2020 We adopted this standard using the modified-retrospective approach in the first quarter of 2020. The adoption of this standard did not have a material impact on our Consolidated Financial Statements. Please refer to the Accounts Receivable paragraph above in Note 1 of the Consolidated Financial Statements for additional detail on our accounting policy. -75- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 1. BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (continued) Standard Description ASU 2017-04 “Intangibles – Goodwill and Other (Topic 350)” ASU 2016-02, “Leases (Topic 842),” as amended by ASU 2017-13, 2018-01, 2018-10, 2018-11, 2019-01, 2019-10, 2020-02 and 2020-05 Recently issued standards: ASU 2019-12 “Income Taxes (Topic 740)” This standard simplifies the test for goodwill impairment by eliminating Step 2 of the impairment test. If the carrying amount of a reporting unit exceeds its fair value, an impairment loss shall be recognized in an amount equal to that excess, limited to the total amount of goodwill allocated to that reporting unit. Entities will adopt the standard using a prospective approach. The standard requires lessees to recognize a right-of-use asset and lease liability for all leases with terms of more than 12 months. The recognition and presentation of expenses will depend on classification as a finance or operating lease. Entities may elect to apply the provisions of the new leasing standard on January 1, 2019, without adjusting the comparative periods presented by recognizing a cumulative- effect adjustment to the opening balance of retained earnings. This standard simplifies accounting for income taxes including such topics as intraperiod tax allocations, franchise taxes and separate company financial statements. Effective Date for Company Effect on the Consolidated Financial Statements January 1, 2020 We adopted this standard using the prospective approach for our interim impairment test conducted in the first quarter of 2020. The goodwill impairment charge of $944 million recorded for the year ended December 31, 2020, was calculated in accordance with this standard. Please refer to Note 5 of the Consolidated Financial Statements for additional detail on this adoption. January 1, 2019 We adopted this standard using the optional transition method in the first quarter of 2019. Please refer to Note 7 of the Consolidated Financial Statements for ongoing disclosure requirements. January 1, 2021 We do not expect the adoption of this standard to have a material effect on our consolidated financial statements. -76- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 2. SEGMENT INFORMATION The Company has three reportable segments: Composites, Insulation and Roofing. Accounting policies for the segments are the same as those for the Company. The Company’s three reportable segments are defined as follows: Composites – The Company manufactures, fabricates and sells glass reinforcements in the form of fiber. Glass reinforcement materials are also used downstream by the Composites segment to manufacture and sell glass fiber products in the form of fabrics, non-wovens and other specialized products. Insulation – Within our Insulation segment, the Company manufactures and sells fiberglass insulation into residential, commercial, industrial and other markets for both thermal and acoustical applications. It also manufactures and sells glass fiber pipe insulation, flexible duct media, bonded and granulated mineral wool insulation, cellular glass insulation and foam insulation used in above- and below-grade construction applications. Roofing – Within our Roofing segment, the Company manufactures and sells residential roofing shingles, oxidized asphalt materials, roofing components used in residential and commercial construction and specialty applications, and synthetic packaging materials. NET SALES The following tables show a disaggregation of our net sales by segment and geographic region (in millions). Corporate eliminations (shown below) largely reflect intercompany sales from Composites to Roofing. External customer sales are attributed to geographic region based upon the location from which the product is sold to the external customer. Reportable Segments Composites Insulation Roofing Eliminations Consolidated Twelve Months Ended December 31, 2020 Disaggregation Categories U.S. residential U.S. commercial and industrial Total United States Europe Asia-Pacific Rest of world NET SALES $ 272 538 810 524 495 131 $ 949 603 1,552 609 158 288 $2,450 133 2,583 14 11 87 $(204) — (204) (1) — (2) $3,467 1,274 4,741 1,146 664 504 $1,960 $2,607 $2,695 $(207) $7,055 -77- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 2. SEGMENT INFORMATION (continued) Reportable Segments Composites Insulation Roofing Eliminations Consolidated Twelve Months Ended December 31, 2019 Disaggregation Categories U.S. residential U.S. commercial and industrial Total United States Europe Asia-Pacific Rest of world NET SALES $ 269 614 883 572 475 129 $ 927 643 1,570 625 176 297 $2,375 143 2,518 13 13 90 $(195) — (195) (1) — (5) $3,376 1,400 4,776 1,209 664 511 $2,059 $2,668 $2,634 $(201) $7,160 Reportable Segments Composites Insulation Roofing Eliminations Consolidated Twelve Months Ended December 31, 2018 Disaggregation Categories U.S. residential U.S. commercial and industrial Total United States Europe Asia-Pacific Rest of world NET SALES $ 263 598 861 590 464 126 $ 990 625 1,615 605 178 322 $2,199 161 2,360 14 15 103 $(177) (12) (189) — (1) (6) $3,275 1,372 4,647 1,209 656 545 $2,041 $2,720 $2,492 $(196) $7,057 Our contracts with customers are broadly similar in nature throughout our reportable segments, but the amount, timing and uncertainty of revenue and cash flows may vary in each reportable segment due to geographic and end-market economic factors. In the United States, sales are primarily related to the residential housing market and commercial and industrial applications. Residential market demand is driven by housing starts and repair and remodeling activity (influenced by existing home sales, seasonal home improvement and damage from major storms). Significant portions of our residential products across our three reportable segments are used interchangeably in both new construction and repair and remodeling, and our customers typically distribute (or use) the products for both applications. U.S. commercial and industrial revenues are largely driven by U.S. industrial production growth, commercial construction activity and overall economic conditions in the U.S. Outside of the United States (Europe, Asia-Pacific and Rest of world), sales are primarily related to commercial and industrial applications and, to a lesser extent, residential applications in certain countries. Throughout the international regions, demand is primarily driven by industrial production growth, commercial construction activity and overall economic conditions in each respective geographical region. EARNINGS BEFORE INTEREST AND TAXES Earnings (loss) before interest and taxes (EBIT) by segment consists of net sales less related costs and expenses and are presented on a basis that is used internally for evaluating segment performance. Certain items, such as -78- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 2. SEGMENT INFORMATION (continued) general corporate expenses or income and certain other expense or income items, are excluded from the internal evaluation of segment performance. Accordingly, these items are not reflected in EBIT for our reportable segments and are included within Corporate, Other and Eliminations. The following table summarizes EBIT by segment (in millions): Twelve Months Ended December 31, 2019 2020 2018 Reportable Segments Composites Insulation Roofing Total reportable segments Restructuring costs Gains on sale of certain precious metals Goodwill impairment charge Intangible assets impairment charge Acquisition-related costs Recognition of acquisition inventory fair value step-up Pension settlement losses Environmental liability charges General corporate expense and other Total Corporate, other and eliminations EBIT $ 165 250 591 $ 247 230 455 $ 251 290 434 1,006 932 975 (41) 26 (944) (43) — — — — (128) (22) (28) — — — — — — — (16) (2) — — (43) — (4) (114) (104) (1,130) (179) (154) $ (124) $ 753 $ 821 TOTAL ASSETS AND PROPERTY, PLANT AND EQUIPMENT The following table summarizes total assets by segment and property, plant and equipment by geographic region (in millions): TOTAL ASSETS Reportable Segments Composites Insulation Roofing Total reportable segments Cash and cash equivalents Noncurrent deferred income taxes Investments in affiliates Assets held for sale Corporate property, plant and equipment, other assets and eliminations CONSOLIDATED TOTAL ASSETS December 31, 2019 2020 $2,426 3,937 1,814 $ 2,470 4,975 1,784 8,177 717 28 51 5 503 9,229 172 46 51 1 507 $9,481 $10,006 -79- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 2. SEGMENT INFORMATION (continued) PROPERTY, PLANT AND EQUIPMENT BY GEOGRAPHIC REGION United States Europe Asia-Pacific Rest of world TOTAL PROPERTY, PLANT AND EQUIPMENT PROVISION FOR DEPRECIATION AND AMORTIZATION December 31, 2019 2020 $2,169 777 594 269 $2,204 762 601 288 $3,809 $3,855 The following table summarizes the provision for depreciation and amortization by segment (in millions): Twelve Months Ended December 31, 2019 2020 2018 Reportable Segments Composites Insulation Roofing Total reportable segments General corporate depreciation and amortization (a) CONSOLIDATED PROVISION FOR DEPRECIATION AND AMORTIZATION $159 201 59 419 74 $154 194 54 402 55 $147 186 51 384 49 $493 $457 $433 (a) In 2020, 2019 and 2018, General corporate depreciation and amortization expense included $20 million, $9 million and $10 million, respectively, of accelerated depreciation related to restructuring actions further explained in Note 10 to the Consolidated Financial Statements. ADDITIONS TO PROPERTY, PLANT AND EQUIPMENT The following table summarizes additions to property, plant and equipment on an accrual basis by segment (in millions): Twelve Months Ended December 31, 2019 2020 2018 Reportable Segments Composites Insulation Roofing Total reportable segments General corporate additions $105 132 46 283 37 $123 210 56 389 62 $154 240 91 485 57 CONSOLIDATED ADDITIONS TO PROPERTY, PLANT AND EQUIPMENT $320 $451 $542 -80- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 3. INVENTORIES Inventories consist of the following (in millions): Finished goods Materials and supplies Total inventories December 31, 2019 2020 $532 323 $855 $ 715 318 $1,033 4. DERIVATIVE FINANCIAL INSTRUMENTS The Company is exposed to, among other risks, the impact of changes in commodity prices, foreign currency exchange rates, and interest rates in the normal course of business. The Company’s risk management program is designed to manage the exposure and volatility arising from these risks, and utilizes derivative financial instruments to offset a portion of these risks. The Company uses derivative financial instruments only to the extent necessary to hedge identified business risks, and does not enter into such transactions for trading purposes. The Company generally does not require collateral or other security with counterparties to these financial instruments and is therefore subject to credit risk in the event of nonperformance; however, the Company monitors credit risk and currently does not anticipate nonperformance by other parties. Contracts with counterparties generally contain right of offset provisions. These provisions effectively reduce the Company’s exposure to credit risk in situations where the Company has gain and loss positions outstanding with a single counterparty. It is the Company’s policy to offset on the Consolidated Balance Sheets the amounts recognized for derivative instruments with any cash collateral arising from derivative instruments executed with the same counterparty under a master netting agreement. As of December 31, 2020 and 2019, the Company did not have any amounts on deposit with any of its counterparties, nor did any of its counterparties have any amounts on deposit with the Company. Derivative Fair Values Our derivatives consist of natural gas forward swaps, cross-currency swaps, foreign exchange forward contracts and U.S. treasury rate lock agreements, all of which are over-the-counter and not traded through an exchange. The Company uses widely accepted valuation tools to determine fair value, such as discounting cash flows to calculate a present value for the derivatives. The models use Level 2 inputs, such as forward curves and other commonly quoted observable transactions and prices. The fair value of our derivatives and hedging instruments are all classified as Level 2 investments within the three-tier hierarchy. -81- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 4. DERIVATIVE FINANCIAL INSTRUMENTS (continued) The following table presents the fair value of derivatives and hedging instruments and the respective location on the Consolidated Balance Sheets (in millions): Fair Value at Location December 31, 2020 December 31, 2019 Derivative assets designated as hedging instruments: Net investment hedges: Cross currency swaps Cross currency swaps Cash flow hedges: Natural gas forward swaps Treasury interest rate lock Derivative liabilities designated as hedging instruments: Net investment hedges: Cross-currency swaps Cash flow hedges: Other current assets Other non-current assets Other current assets Other non-current assets 5 $ $ — $ $ 2 4 Other liabilities $ 11 Natural gas forward swaps Total current liabilities $ — Derivative assets not designated as hedging instruments: Foreign exchange forward contracts Other current assets $ 2 Derivative liabilities not designated as hedging instruments: Foreign exchange forward contracts Total current liabilities $ 45 Consolidated Statements of Earnings (Loss) Activity $ 12 1 $ $ — $ — $ $ $ $ 4 3 9 1 The following table presents the impact and respective location of derivative activities on the Consolidated Statements of Earnings (Loss) (in millions): Twelve Months Ended December 31, 2019 2020 2018 Location Derivative activity designated as hedging instruments: Natural gas cash flow hedges: Amount of loss/(gain) reclassified from AOCI (as defined below) into earnings (a) Cross-currency swap net investment hedges: Amount of gain recognized in earnings on derivative amounts excluded from effectiveness testing Derivative activity not designated as hedging instruments: Foreign currency: Amount of (gain)/loss recognized in earnings (b) (a) Accumulated Other Comprehensive Earnings (Deficit) (“AOCI”) Cost of sales $ 5 $ 4 $ (2) Interest expense, net $ (8) $(13) $(12) Other expenses, net $41 $(35) $(55) -82- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 4. DERIVATIVE FINANCIAL INSTRUMENTS (continued) (b) (Gains)/losses related to foreign currency derivatives were substantially offset by net revaluation impacts on foreign currency denominated balance sheet exposures, which were also recorded in Other expenses, net. Please refer to the “Other Derivatives” section below for additional detail. Consolidated Statements of Comprehensive Earnings (Loss) Activity The following table presents the impact of derivative activities on the Consolidated Statements of Comprehensive Earnings (Loss) (in millions): Amount of (Gain) Loss Recognized in Comprehensive Earnings (Loss) Twelve Months Ended December 31, Derivative Financial Instrument 2020 2019 Cross-currency swaps Natural gas forward swaps Treasury interest rate lock $ $ $ (15) (5) (4) $ $ $ (18) 2 — Hedging Type Net investment hedge Cash flow hedge Cash flow hedge Net Investment Hedges The Company has translation exposure resulting from translating the financial statements of foreign subsidiaries into U.S. Dollars, which is recognized in Currency translation adjustment (a component of AOCI). The Company uses cross-currency forward contracts to hedge portions of the net investment in foreign subsidiaries against fluctuations in foreign exchange rates. As of December 31, 2020, the notional amount of these derivative financial instruments was $218 million related to the U.S Dollar and European Euro. In the second quarter of 2020, the Company unwound certain net investment hedge contracts, resulting in cash proceeds of $30 million. Cash Flow Hedges The Company uses a combination of derivative financial instruments, which qualify as cash flow hedges, and physical contracts to manage forecasted exposure to electricity and natural gas prices. As of December 31, 2020, the notional amounts of these natural gas forward swaps was 2 million MMBTu (or MMBTu equivalent based on U.S. and European indices), which is in line with the notional amounts at December 31, 2019. In March 2020, the Company entered into a $175 million forward U.S. Treasury rate lock agreement to manage the U.S. Treasury portion of its interest rate risk associated with the anticipated issuance of certain 10-year fixed rate senior notes before the end of 2022. The Company intends to cash settle this agreement upon a future issuance of certain senior notes thereby effectively locking in the U.S. Treasury fixed interest rate in effect at the time the agreement was initiated. The locked fixed rate of this agreement is 0.994%. The Company has designated this outstanding forward U.S. Treasury rate lock agreement, which expires on December 15, 2022, as a cash flow hedge. Other Derivatives The Company uses forward currency exchange contracts to manage existing exposures to foreign exchange risk related to assets and liabilities recorded on the Consolidated Balance Sheets. As of December 31, 2020, the -83- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 4. DERIVATIVE FINANCIAL INSTRUMENTS (continued) Company had notional amounts of $729 million for non-designated derivative financial instruments related to foreign currency exposures in U.S. Dollars primarily related to Brazilian Real, Chinese Yuan, European Euro, Hong Kong Dollar, Indian Rupee, and South Korean Won. In addition, the Company had notional amounts of $198 million for non-designated derivative financial instruments related to foreign currency exposures in European Euro primarily related to the Polish Zloty and Russian Ruble. 5. GOODWILL AND OTHER INTANGIBLE ASSETS The Company tests goodwill and indefinite-lived intangible assets for impairment as of October 1st each year, or more frequently should circumstances change or events occur that would more likely than not reduce the fair value of a reporting unit below its carrying amount. Goodwill First Quarter of 2020 Impairment Charge During the first quarter of 2020, the Company’s significant share price reduction during the ongoing COVID-19 pandemic was determined to be an indicator of impairment under ASC 350. As of the end of the first quarter, the COVID-19 pandemic was expected to have a negative impact on results for the remainder of 2020 and create near-term uncertainty in our markets. As of our prior year annual goodwill impairment testing date (October 1, 2019), testing indicated that the business enterprise value for the Insulation reporting unit exceeded its carrying value by approximately 10%. There was uncertainty surrounding the macroeconomic factors impacting this reporting unit and a downturn in these factors or a change in the long-term revenue growth or profitability for this reporting unit could increase the likelihood of a future impairment. In the first quarter of 2020, the Company performed its ongoing assessment to consider whether events or circumstances had occurred that could more likely than not reduce the fair value of a reporting unit below its carrying value. The valuation limitation from the Company’s share price decline in the first quarter of 2020, the narrow cushion on the Insulation reporting unit and the high level of near-term macroeconomic uncertainty caused the Company to perform an interim goodwill impairment test as of March 31, 2020 over the Insulation reporting unit. After evaluating and weighing all relevant events and circumstances, and considering the substantial excess fair values for the Roofing and Composites reporting units, we concluded that it was not more likely than not that the fair values of these reporting units were less than their carrying values. Consequently, we determined that it was not necessary to perform an interim impairment test for the Roofing and Composites reporting units. Based on the results of this interim testing over the Insulation reporting unit, the Company recorded a $944 million pre-tax non-cash impairment charge in the first quarter of 2020. This charge was recorded in Goodwill impairment charge on the Consolidated Statements of Earnings (Loss), and was included in the Corporate, Other and Eliminations reporting category. Consistent with the Company’s adoption of ASU 2017-04 in the first quarter of 2020, the impairment charge was equal to the excess of the Insulation reporting unit’s carrying value over its fair value. The overall enterprise fair value of the Company was limited by the decline in our share price in the first quarter of 2020. The reduction in fair value for the Insulation reporting unit, and corresponding impairment charge, was primarily driven by an increase in the discount rate arising from higher equity risk premiums that reflect significant uncertainty surrounding the effect from the COVID-19 pandemic and a decrease in the reporting unit’s forecasted near-term cash flows. -84- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 5. GOODWILL AND OTHER INTANGIBLE ASSETS (continued) As part of our quantitative testing process for goodwill of the Insulation reporting unit, we estimated fair values using a discounted cash flow analysis, a form of the income approach, from the perspective of a market participant. Significant assumptions used in the discounted cash flow approach are revenue growth rates and EBIT margins used in estimating discrete period cash flow forecasts of the reporting unit, the discount rate, and the long-term revenue growth rate and EBIT margins used in estimating the terminal business value. The terminal business value is determined by applying the long-term growth rate to the latest year for which a forecast exists. Annual 2020 Goodwill Impairment Assessment The annual tests performed in the fourth quarter of 2020 resulted in no impairment of goodwill. The changes in the net carrying amount of goodwill by segment are as follows (in millions): Balance at December 31, 2019 Impairment charge Divestiture Foreign currency translation Balance at December 31, 2020 Other Intangible Assets Composites Insulation Roofing Total $ 57 — — — $ 57 $1,479 (944) (4) 1 $ 532 $396 — — 4 $1,932 (944) (4) 5 $400 $ 989 The Company amortizes the cost of other intangible assets over their estimated useful lives which, individually, range up to 45 years. The Company’s future cash flows are not materially impacted by its ability to extend or renew agreements related to its amortizable intangible assets. First Quarter of 2020 Indefinite-lived Intangibles Impairment Charge In the first quarter of 2020, we performed an interim impairment test of one indefinite-lived trademark and one trade name used by our Insulation segment, based on the macroeconomic conditions that precipitated the interim goodwill impairment test described above. Based on the results of this testing, the Company recorded pre-tax non-cash impairment charges totaling $43 million in the first quarter of 2020 related to one trademark and one trade name in the Insulation segment. These charges were recorded in Other expenses, net on the Consolidated Statements of Earnings (Loss), and were included in the Corporate, Other and Eliminations reporting category. Fair values used in testing for potential impairment of our trademarks are calculated using the relief-from-royalty method by applying an estimated market value royalty rate to the forecasted revenues of the businesses that utilize those assets. The assumed cash flows from this calculation are discounted at a rate based on a market participant discount rate. A pre-tax impairment charge of $34 million for a trade name used by our European building and technical insulation business was recognized in the first quarter of 2020 due to the combined effect of lower expected sales -85- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 5. GOODWILL AND OTHER INTANGIBLE ASSETS (continued) following an immaterial divestiture in the first quarter of 2020, a decrease in the forecasted near-term cash flows, and a higher discount rate associated with the economic impact and uncertainty from the COVID-19 pandemic. A pre-tax impairment charge of $9 million related to a trademark used on global cellular glass insulation products was recorded in the first quarter of 2020 due to a slightly lower sales outlook and a similarly higher discount rate associated with the economic impact and uncertainty from the COVID-19 pandemic. The assets affected by the impairment charge had an aggregate carrying value of $264 million as of December 31, 2020. Annual 2020 Indefinite-lived Intangibles Impairment Assessment The annual tests performed in 2020 resulted in no impairment of indefinite-lived intangible assets. Testing did indicate that the fair value of a trade name used by our European building and technical insulation business within our Insulation segment exceeded its carrying value by approximately 7%. A change in the estimated long-term revenue growth rate or increase in the discount rate assumption could increase the likelihood of a future impairment for this asset. The affected asset had a carrying value of $173 million as of December 31, 2020. The Other category below primarily includes emissions and quarry rights. Other intangible assets consist of the following (in millions): December 31, 2020 December 31, 2019 Gross Carrying Amount Accumulated Amortization Net Carrying Amount Gross Carrying Amount Accumulated Amortization Net Carrying Amount Trademarks and trade names Customer relationships Technology Other Total other intangible assets $1,109 570 327 36 $2,042 $ — (200) (172) (3) $(375) $1,109 370 155 33 $1,667 $1,139 550 319 67 $2,075 $ — (167) (152) (35) $(354) $1,139 383 167 32 $1,721 Amortization expense for intangible assets for the years ended December 31, 2020, 2019, and 2018 was $48 million, $49 million, and $49 million, respectively. The estimated amortization expense for intangible assets for the next five years is as follows (in millions): Period 2021 2022 2023 2024 2025 Amortization $49 $47 $43 $40 $40 -86- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 6. PROPERTY, PLANT AND EQUIPMENT Property, plant and equipment consist of the following (in millions): Land Buildings and leasehold improvements Machinery and equipment Construction in progress Accumulated depreciation Property, plant and equipment, net December 31, 2019 2020 $ 222 1,241 5,155 292 $ 221 1,186 4,978 310 6,910 (3,101) 6,695 (2,840) $ 3,809 $ 3,855 Machinery and equipment includes certain precious metals used in our production tooling, which comprise approximately 10% of total machinery and equipment as of both December 31, 2020 and December 31, 2019. For the years ended December 31, 2020, 2019 and 2018, depreciation expense was $429 million, $403 million and $384 million, respectively, which includes depletion expense related to precious metals used in our production tooling. In 2020, 2019 and 2018, depreciation expense included $20 million, $9 million and $10 million, respectively, of accelerated depreciation related to restructuring actions further explained in Note 10 to the Consolidated Financial Statements. 7. LEASES The Company leases certain equipment and facilities under both operating and finance leases expiring on various dates through 2036. The nature of these leases generally fall into the following five categories: real estate, material handling, fleet vehicles, office equipment and energy equipment. For leases with initial terms greater than 12 months, we consider these our right-of-use assets and record the related asset and obligation at the present value of lease payments over the term. For leases with initial terms equal to or less than 12 months, we do not consider them as right-of-use assets and instead consider them short- term lease costs that are recognized on a straight-line basis over the lease term. Many of our leases include escalation clauses, renewal options and/or termination options that are factored into our determination of lease payments when reasonably certain. These options to extend or terminate a lease are at our discretion. We have elected to take the practical expedient and not separate lease and non-lease components of contracts. We estimate our incremental borrowing rate to discount the lease payments based on information available at lease commencement. Our lease agreements do not contain any material residual value guarantees. -87- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 7. LEASES (continued) Balance Sheet Classification The table below presents the lease-related assets and liabilities recorded on the balance sheet (in millions): Leases Assets Operating lease assets Finance lease assets Total lease assets Liabilities Current Operating Finance Non-Current Operating Finance Total lease liabilities Lease Costs Classification on Balance Sheet Operating lease right-of-use assets Other non-current assets Total current liabilities Total current liabilities Non-current operating lease liabilities Long-term debt, net of current portion December 31, 2019 2020 $154 73 $227 $203 21 $224 $ 55 19 $ 66 7 99 59 138 19 $232 $230 The table below presents lease-related costs (in millions): Operating lease cost Finance lease cost Amortization Interest Short-term lease cost Variable lease cost Twelve Months Ended December 31, 2020 $71 $16 $ 3 $11 $ 5 2019 $81 $ 5 $ 2 $10 $ 6 For the year ended December 31, 2018, total rent expense accounted for under ASC 840 was $106 million. Cash paid for operating leases approximated operating lease expense for both years ended December 31, 2020 and 2019. Cash paid for finance leases included $16 million for financing activities and $3 million for operating activities for the year ended December 31, 2020. Cash paid for finance leases included $5 million for financing activities and $2 million for operating activities for the year ended December 31, 2019. We added $36 million and $47 million of operating lease liabilities as a result of obtaining operating lease right-of-use assets in the years ended December 31, 2020 and 2019, respectively. We added $69 million and $12 million of finance lease liabilities as a result of obtaining finance lease right-of-use assets in the years ended December 31, 2020 and 2019, respectively. -88- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 7. LEASES (continued) Other Information The tables below present supplemental information related to leases: Weighted-average remaining lease term (years) Operating leases Finance leases Weighted-average discount rate Operating leases Finance leases Maturities of Lease Liabilities December 31, 2019 2020 3.8 6.8 4.0 3.9 December 31, 2019 2020 3.29% 3.30% 4.04% 6.29% The table below reconciles the undiscounted cash flows for each of the first five years and the total of the remaining years to the finance lease liabilities and operating lease liabilities recorded on the balance sheet as of December 31, 2020 (in millions): Period 2021 2022 2023 2024 2025 2026 and beyond Total minimum lease payments Less: implied interest Present value of future minimum lease payments Less: current lease obligations Long-term lease obligations 8. TOTAL CURRENT LIABILITIES Operating Leases Finance Leases $ 59 45 28 15 8 13 168 14 154 55 $ 99 $22 19 14 8 5 21 89 11 78 19 $59 Current liabilities consist of the following current portions of these liabilities (in millions): Accounts payable Payroll, vacation pay and incentive compensation Current operating lease liabilities Other Total December 31, 2019 2020 $ 875 197 55 313 $ 815 172 66 276 $1,440 $1,329 -89- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 9. WARRANTIES The Company records a liability for warranty obligations at the date the related products are sold. Adjustments are made as new information becomes available. Please refer to Note 1 for information about our separately- priced extended warranty contracts. A reconciliation of the warranty liability is as follows (in millions): Beginning balance Amounts accrued for current year Settlements of warranty claims Ending balance December 31, 2019 2020 $ 64 21 (13) $ 60 21 (17) $ 72 $ 64 10. RESTRUCTURING AND ACQUISITION-RELATED COSTS The Company may incur restructuring, transaction and integration costs related to acquisitions, and may incur restructuring costs in connection with its global cost reduction and productivity initiatives. 2020 Insulation Restructuring Actions During the fourth quarter of 2020, the Company took actions to avoid future capital outlays and reduce costs in its global Insulation segment, mainly through decisions to close certain manufacturing facilities in Shanghai, China and Fresno, Texas, and optimize a facility in Parainen, Finland. During 2020, the Company recorded $23 million of charges, inclusive of $14 million of accelerated depreciation, $6 million of severance and $3 million of other exit costs. The Company expects to recognize approximately $5 million of incremental charges throughout 2021 related to these actions. 2020 Composites Restructuring Actions During 2020, the Company took actions to reduce costs throughout its global Composites segment primarily through global workforce reductions, closure of manufacturing lines and other asset write-offs. As a result of these actions, the Company recorded $13 million of charges during 2020, inclusive of $6 million of severance, $5 million of accelerated depreciation and $2 million of other exit costs. The Company does not expect to recognize significant incremental costs related to these actions. Insulation Network Optimization Restructuring In October 2019, the Company took actions to primarily restructure certain U.S. insulation operations and to reduce the cost structure throughout the Insulation network. Investments in productivity and process technologies enabled the Company to optimize its network and improve its cost position. During 2020, the Company recorded $5 million of charges. The Company does not expect to recognize significant incremental costs related to these actions. Acquisition-Related Restructuring Following the acquisitions of Paroc Group Oy (“Paroc”) and Pittsburgh Corning Corporation and Pittsburgh Corning Europe NV (collectively, “Pittsburgh Corning”) into the Company’s Insulation segment, the Company took actions to realize expected synergies from the newly acquired operations. The Company does not expect to recognize significant incremental costs related to these actions. -90- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 10. RESTRUCTURING AND ACQUISITION-RELATED COSTS (continued) Consolidated Statements of Earnings (Loss) Classification The following table presents the impact and respective location of total restructuring costs on the Consolidated Statements of Earnings (Loss), which are included in our Corporate, Other and Eliminations category (in millions): Type of Cost Accelerated depreciation Other exit costs Severance Other exit costs/(gains) (a) Other exit costs Total restructuring costs Location Cost of sales Cost of sales Other expenses, net Other expenses, net Non-operating expense (income) Twelve Months Ended December 31, 2019 2020 2018 $ 20 6 13 2 — $ 41 $ 9 6 13 (1) 1 $28 $ 10 7 4 1 — $ 22 (a) Other exit costs/(gains) in 2019 includes a $6 million gain related to the sale of an idle residential fiberglass insulation facility in Canada resulting from restructuring actions taken in 2016. Summary of Unpaid Liabilities The following table summarizes the status of the unpaid liabilities from the Company’s restructuring activities (in millions): 2020 Insulation Restructuring Actions 2020 Composites Restructuring Actions Insulation Network Optimization Restructuring Acquisition- Related Restructuring Balance at December 31, 2019 Restructuring costs Payments Accelerated depreciation and other non-cash items Balance at December 31, 2020 Cumulative charges incurred $— 23 (4) (17) $ 2 $ 23 $— $ 13 (6) (5) $ 2 $ 13 5 5 (8) (2) $— $ 29 $ 11 — (6) 4 9 $ $ 29 As of December 31, 2020, the remaining liability balance is comprised of $13 million of severance, inclusive of $3 million of non-current severance and $10 million of severance the Company expects to pay over the next twelve months. -91- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 11. DEBT Details of the Company’s outstanding long-term debt, as well as the fair values, are as follows (in millions): 4.200% senior notes, net of discount and financing fees, due 2022 4.200% senior notes, net of discount and financing fees, due 2024 3.400% senior notes, net of discount and financing fees, due 2026 3.950% senior notes, net of discount and financing fees, due 2029 3.875% senior notes, net of discount and financing fees, due 2030 7.000% senior notes, net of discount and financing fees, due 2036 4.300% senior notes, net of discount and financing fees, due 2047 4.400% senior notes, net of discount and financing fees, due 2048 Various finance leases, due through 2036 (a) Term loan borrowing, maturing in 2021 (a) Other Total long-term debt Less – current portion (a) December 31, 2020 December 31, 2019 Carrying Value Fair Value Carrying Value Fair Value $ 184 396 397 445 297 368 588 390 78 — 2 3,145 19 106% $ 183 395 111% 396 111% 445 115% — 115% 367 142% 588 120% 390 121% 26 100% 200 — % 3 n/a n/a 100% 2,993 7 104% 106% 101% 104% — % 126% 95% 97% 100% 100% n/a n/a 100% Long-term debt, net of current portion $3,126 n/a $2,986 n/a (a) The Company determined that the book value of the above noted long-term debt instruments approximates fair value. The fair values of the Company’s outstanding long-term debt instruments were estimated using market observable inputs, including quoted prices in active markets, market indices and interest rate measurements. Within the hierarchy of fair value measurements, these are Level 2 fair values. Senior Notes The Company issued $300 million of 2030 senior notes on May 12, 2020 subject to $3 million of discounts and issuance costs. Interest on the notes is payable semiannually in arrears on June 1 and December 1 each year, beginning on December 1, 2020. The proceeds from these notes were used for general corporate purposes. The Company issued $450 million of 2029 senior notes on August 12, 2019 subject to $5 million of discounts and issuance costs. Interest on the notes is payable semiannually in arrears on February 15 and August 15 each year, beginning on February 15, 2020. The proceeds from these notes were used to repay $416 million of our 2022 senior notes and $34 million of our 2036 senior notes. The Company issued $400 million of 2048 senior notes on January 25, 2018. Interest on the notes is payable semiannually in arrears on January 30 and July 30 each year, beginning on July 30, 2018. The proceeds from these notes were used, along with borrowings on a $600 million term loan commitment and borrowings on the Receivables Securitization Facility (as defined below), to fund the purchase of Paroc in the first quarter of 2018. The Company issued $600 million of 2047 senior notes on June 26, 2017. Interest on the notes is payable semiannually in arrears on January 15 and July 15 each year, beginning on January 15, 2018. A portion of the -92- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 11. DEBT (continued) proceeds from these notes was used to fund the purchase of Pittsburgh Corning in 2017 and for general corporate purposes. The remaining proceeds were used to repay $144 million of our 2019 senior notes and $140 million of our 2036 senior notes. The Company issued $400 million of 2026 senior notes on August 8, 2016. Interest on the notes is payable semiannually in arrears on February 15 and August 15 each year, beginning on February 15, 2017. A portion of the proceeds from these notes was used to redeem $158 million of our 2016 senior notes. The remaining proceeds were used to pay down portions of our Receivables Securitization Facility and for general corporate purposes. The Company issued $400 million of 2024 senior notes on November 12, 2014. Interest on the notes is payable semiannually in arrears on June 1 and December 1 each year, beginning on June 1, 2015. A portion of the proceeds from these notes was used to repay $242 million of our 2016 senior notes and $105 million of our 2019 senior notes. The remaining proceeds were used to pay down our Senior Revolving Credit Facility (as defined below), finance general working capital needs, and for general corporate purposes. The Company issued $600 million of 2022 senior notes on October 17, 2012. Interest on the notes is payable semiannually in arrears on June 15 and December 15 each year, beginning on June 15, 2013. The proceeds of these notes were used to refinance $250 million of our 2016 senior notes and $100 million of our 2019 senior notes and pay down our Senior Revolving Credit Facility. On October 31, 2006, the Company issued $550 million of 2036 senior notes. The proceeds of these notes were used to pay certain unsecured and administrative claims, finance general working capital needs and for general corporate purposes. Collectively, the notes above are referred to as the “Senior Notes.” The Senior Notes are general unsecured obligations of the Company and rank pari passu with all existing and future senior unsecured indebtedness of the Company. In May 2018, the Company entered into a new agreement covering our Senior Revolving Credit Facility. This new agreement, among other things, removed all subsidiaries of the Company as guarantors under our Senior Revolving Credit Facility, unless certain conditions precedent are met that do not exist at this time, and had the effect of removing the guarantees of such subsidiaries under our Senior Notes. In addition, we elected to amend our Registration Statement on Form S-3 to eliminate the guarantees of our Senior Notes as registered securities. The Company has the option to redeem all or part of the Senior Notes at any time at a “make-whole” redemption price. The Company is subject to certain covenants in connection with the issuance of the Senior Notes that it believes are usual and customary. The Company was in compliance with these covenants as of December 31, 2020. Senior Revolving Credit Facility The Company has an $800 million senior revolving credit facility (the “Senior Revolving Credit Facility”) with a maturity date in May 2024 that includes both borrowings and letters of credit. Borrowings under the Senior Revolving Credit Facility may be used for general corporate purposes and working capital. The Company has the discretion to borrow under multiple options, which provide for varying terms and interest rates including the United States prime rate, federal funds rate plus a spread or LIBOR plus a spread. -93- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 11. DEBT (continued) The Senior Revolving Credit Facility contains various covenants, including a maximum allowed leverage ratio and a minimum required interest expense coverage ratio, that the Company believes are usual and customary for a senior unsecured credit agreement. The Company was in compliance with these covenants as of December 31, 2020. Please refer to the Credit Facility Utilization paragraph below for liquidity information as of December 31, 2020. Term Loan Borrowing The Company obtained a term loan commitment on October 27, 2017 for $600 million (the “Term Loan”). The Company entered into the Term Loan, in part, to pay a portion of the purchase price of the Paroc acquisition. In the first quarter of 2018, the Company borrowed on the Term Loan, along with borrowings on the Receivables Securitization Facility and the proceeds of the 2048 senior notes, to fund the purchase of Paroc. The Term Loan agreement contained partial quarterly principal repayments and full repayment by February 2021. The Term Loan contains various covenants, including a maximum allowed leverage ratio and a minimum required interest expense coverage ratio, that the Company believes are usual and customary for a term loan. In the third quarter of 2020, the Company repaid all outstanding borrowings on the Term Loan. Receivables Securitization Facility Included in long-term debt on the Consolidated Balance Sheets are borrowings outstanding under a Receivables Purchase Agreement (“RPA”) that are accounted for as secured borrowings in accordance with ASC 860, “Accounting for Transfers and Servicing.” Owens Corning Sales, LLC and Owens Corning Receivables LLC, each a subsidiary of the Company, have a $280 million RPA with certain financial institutions. The Company has the ability to borrow at the lenders’ cost of funds, which approximates A-1/P-1 commercial paper rates vs. LIBOR, plus a fixed spread. In April 2019, the securitization facility (the “Receivables Securitization Facility”) was amended to extend the maturity date to April 2022. The Receivables Securitization Facility contains various covenants, including a maximum allowed leverage ratio and a minimum required interest expense coverage ratio that the Company believes are usual and customary for a securitization facility. The Company was in compliance with these covenants as of December 31, 2020. Please refer to the Credit Facility Utilization section below for liquidity information as of December 31, 2020. Owens Corning Receivables LLC’s sole business consists of the purchase or acceptance through capital contributions of trade receivables and related rights from Owens Corning Sales, LLC and the subsequent retransfer of or granting of a security interest in such trade receivables and related rights to certain purchasers who are party to the RPA. Owens Corning Receivables LLC is a separate legal entity with its own separate creditors who will be entitled, upon its liquidation, to be satisfied out of Owens Corning Receivables LLC’s assets prior to any assets or value in Owens Corning Receivables LLC becoming available to Owens Corning Receivables LLC’s equity holders. The assets of Owens Corning Receivables LLC are not available to pay creditors of the Company or any other affiliates of the Company or Owens Corning Sales, LLC. -94- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 11. DEBT (continued) Credit Facility Utilization The following table shows how the Company utilized its primary sources of liquidity (in millions): Facility size Collateral capacity limitation on availability Outstanding borrowings Outstanding letters of credit Availability on facility Debt Maturities Balance at December 31, 2020 Receivables Securitization Facility Senior Revolving Credit Facility $800 n/a — 4 $796 $280 — — 1 $279 The aggregate maturities for all outstanding long-term debt borrowings for each of the five years following December 31, 2020 and thereafter are presented in the table below (in millions). The maturities below are the aggregate par amounts of the outstanding senior notes and finance lease liabilities: Period 2021 2022 2023 2024 2025 2026 and beyond Total Maturities $ 19 201 13 407 4 2,544 $3,188 Short-Term Debt At December 31, 2020 and December 31, 2019, short-term borrowings were $1 million and $20 million, respectively. The short-term borrowings for both periods consisted of various operating lines of credit and working capital facilities. Certain of these borrowings are collateralized by receivables, inventories or property. The borrowing facilities are typically for one-year renewable terms. The weighted average interest rate on all short-term borrowings was approximately 1.1% and 7.8% for December 31, 2020 and December 31, 2019, respectively. 12. PENSION PLANS Pension Plans The Company sponsors defined benefit pension plans. Under the plans, pension benefits are based on an employee’s years of service and, for certain categories of employees, qualifying compensation. Company contributions to these pension plans are determined by an independent actuary to meet or exceed minimum -95- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 12. PENSION PLANS (continued) funding requirements. In our U.S. plan, the unrecognized cost of any retroactive amendments and actuarial gains and losses are amortized over the average remaining life expectancy of inactive participants. In all of our Non-U.S plans, the unrecognized cost of any retroactive amendments and actuarial gains and losses are amortized over the average future service period of plan participants expected to receive benefits. During 2019, the Company completed balance sheet risk mitigation actions related to certain U.S. and non-U.S. pension plans. These actions included the purchase of non-participating annuity contracts from insurance companies and the payment of lump sums to retirees, which resulted in the settlement of liabilities to affected participants. As a result of these transactions, the Company recognized pension settlement losses of $43 million during the twelve months ended December 31, 2019. These losses are included in Non-operating expense (income) on the Consolidated Statements of Earnings (Loss) in our Corporate, Other and Eliminations category. These transactions did not have a material effect on the plans’ funded status. The following tables provide a reconciliation of the change in the projected benefit obligation, the change in plan assets and the net amount recognized in the Consolidated Balance Sheets (in millions): December 31, 2020 U.S. Non-U.S. Total December 31, 2019 U.S. Non-U.S. Total Change in Projected Benefit Obligation Benefit obligation at beginning of period Service cost Interest cost Actuarial loss Currency loss Benefits paid Plan amendments Settlements/curtailments Other Benefit obligation at end of period Change in Plan Assets Fair value of assets at beginning of period Actual return on plan assets Currency gain Company contributions Benefits paid Settlements/curtailments Other Fair value of assets at end of period Funded status $866 5 28 83 — (71) — (1) — $910 $475 5 10 28 18 (16) 3 (4) 4 $523 $ 891 5 34 85 $1,341 10 38 111 18 — (87) (45) 3 — (5) 4 — (104) $1,433 $ 866 $427 5 13 42 13 (18) — (7) — $475 $1,318 10 47 127 13 (63) — (111) — $1,341 December 31, 2020 U.S. Non-U.S. Total December 31, 2019 U.S. Non-U.S. Total $733 80 — 101 (71) (1) — $842 $386 37 14 21 (16) (4) 3 $441 $ 727 $1,119 117 130 14 — 25 122 (45) (87) (5) (104) 3 — $1,283 $ 733 $328 50 11 21 (18) (5) (1) $386 $1,055 180 11 46 (63) (109) (1) $1,119 $ (68) $ (82) $ (150) $(133) $ (89) $ (222) -96- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 12. PENSION PLANS (continued) Amounts Recognized in the Consolidated Balance Sheets Prepaid pension cost Accrued pension cost – current Accrued pension cost – non-current Net amount recognized Amounts Recorded in AOCI Net actuarial loss December 31, 2020 December 31, 2019 U.S. Non-U.S. Total U.S. Non-U.S. Total $ — — (68) $ 12 (2) (92) $ 12 $ — (2) — (160) (133) $ (68) $ (82) $(150) $(133) $ 11 (2) (98) $(89) $ 11 (2) (231) $(222) $(381) $(109) $(490) $(345) $(97) $(442) For the year ended December 31, 2020, the actuarial loss of $111 million was largely the result of decreases in discount rates across all plans. In the U.S. plan, the actuarial loss was primarily driven by the decrease in the discount rate. Additionally, updated mortality assumptions and a decrease in the cash balance interest crediting rate negatively impacted the projected benefit obligation (PBO). In the Non-U.S. plans, the actuarial loss was driven by a decrease in the discount rate of the U.K. and other plans, partially offset by inflation. For the year ended December 31, 2019, the actuarial loss of $127 million was largely the result of decreases in discount rates across all plans. In the U.S. plans, the actuarial loss was primarily driven by a decrease in the discount rate. In the Non-U.S. plans, the actuarial loss was driven by a decrease in the discount rate of the U.K. and other plans, partially offset by inflation. The following table presents information about the projected benefit obligation, accumulated benefit obligation (ABO) and plan assets of the Company’s pension plans (in millions): Plans with PBO in excess of fair value of plan assets: Projected benefit obligation Fair value of plan assets Plans with ABO in excess of fair value of plan assets: Accumulated benefit obligation Fair value of plan assets December 31, 2020 December 31, 2019 U.S. Non-U.S. Total U.S. Non-U.S. Total $910 $842 $364 $270 $1,274 $1,112 $866 $733 $329 $229 $1,195 $ 962 $910 $842 $330 $249 $1,240 $1,091 $866 $733 $295 $205 $1,161 $ 938 -97- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 12. PENSION PLANS (continued) Weighted-Average Assumptions Used to Determine Benefit Obligation The following table presents weighted average assumptions used to determine benefit obligations at measurement dates: the United States Plans Discount rate Expected return on plan assets Cash balance interest crediting rate Non-United States Plans Discount rate Expected return on plan assets Rate of compensation increase December 31, 2019 2020 2.50% 3.30% 4.75% 6.50% 0.79% 2.66% 1.73% 2.24% 4.08% 4.66% 3.00% 3.99% Components of Net Periodic Pension Cost (Income) The following table presents the components of net periodic pension cost (income) (in millions): Twelve Months Ended December 31, 2019 2020 2018 Service cost Interest cost Expected return on plan assets Amortization of actuarial loss Settlement/curtailment Net periodic pension cost $ 10 38 (62) 15 1 $ 2 $ 10 47 (68) 15 44 $ 12 47 (73) 15 — $ 48 $ 1 -98- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 12. PENSION PLANS (continued) Weighted-Average Assumptions Used to Determine Net Periodic Pension Cost The following table presents weighted-average assumptions used to determine net periodic pension costs for the periods noted: Twelve Months Ended December 31, 2019 2020 2018 United States Plans Discount rate Expected return on plan assets Cash balance interest crediting rate Rate of compensation increase Non-United States Plans Discount rate Expected return on plan assets Rate of compensation increase 3.30% 4.25% 3.55% 6.50% 6.75% 6.75% 2.66% 3.77% 3.10% N/A(a) N/A(a) N/A(a) 2.24% 3.04% 2.88% 4.66% 4.91% 5.22% 3.99% 4.14% 4.29% (a) Not applicable due to changes in plan made on August 1, 2009 that were effective beginning January 1, 2010. The expected return on plan assets assumption is derived by taking into consideration the target plan asset allocation, historical rates of return on those assets, projected future asset class returns and net outperformance of the market by active investment managers. An asset return model is used to develop an expected range of returns on plan investments over a 20 year period, with the expected rate of return selected from a best estimate range within the total range of projected results. The result is then rounded down to the nearest 25 basis points. Items Measured at Fair Value The Company classifies and discloses pension plan assets in one of the following three categories: Level 1: Quoted market prices in active markets for identical assets. Level 2: Observable market based inputs or unobservable inputs that are corroborated by market data. Level 3: Unobservable inputs that are not corroborated by market data. Plan Assets The tables in this section show pension plan asset fair values and fair value leveling information. The assets are categorized into one of the three levels of the fair value hierarchy or are not subject to leveling, in the case of investments that are valued using the net asset value per share (or its equivalent) practical expedient (“NAV”). -99- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 12. PENSION PLANS (continued) The following table summarizes the fair values and applicable fair value hierarchy levels of United States pension plan assets (in millions): Asset Category Equities: Domestic Fixed income and cash equivalents: Corporate bonds Government debt Total United States plan assets subject to leveling Plan assets measured at NAV: Equities Fixed income and cash equivalents Absolute return strategies Total United States plan assets Asset Category Equities: Domestic International Fixed income and cash equivalents: Corporate bonds Government debt Real estate investment trusts Total United States plan assets subject to leveling $162 $299 $— Plan assets measured at NAV: Equities Real assets Fixed income and cash equivalents Absolute return strategies Total United States plan assets December 31, 2020 Level 1 Level 2 Level 3 Total $ 53 $— 31 — 288 68 $ 84 $356 $— — — $— $ 53 319 68 440 193 157 52 $842 December 31, 2019 Level 1 Level 2 Level 3 Total $ 57 55 28 — 22 $— — 214 85 — $— — — — — $ 57 55 242 85 22 461 130 62 33 47 $733 -100- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 12. PENSION PLANS (continued) The following table summarizes the fair values and applicable fair value hierarchy levels of non-United States pension plan assets (in millions): Asset Category Equities Cash and cash equivalents Fixed income December 31, 2020 Level 1 Level 2 Level 3 Total 2 81 9 $— $ — — $— — — $ 2 81 9 Total non-United States plan assets subject to leveling $— $92 $— 92 Plan assets measured at NAV: Equities Fixed income and cash equivalents Absolute return strategies and other Total non-United States plan assets Asset Category Equities Fixed income and cash equivalents: Cash and cash equivalents Corporate bonds Total non-United States plan assets subject to leveling Plan assets measured at NAV: Equities Fixed income and cash equivalents Absolute return strategies Total non-United States plan assets Investment Strategy 86 156 107 $441 December 31, 2019 Level 1 Level 2 Level 3 Total 4 $— $ $— $ 4 — — $— 65 13 $82 — — $— 65 13 82 71 123 110 $386 The current targeted asset allocation for the United States pension plan is to have 28.5% of assets invested in equities, 65.5% in intermediate and long-term fixed income securities and 6% in absolute return strategies. Assets are rebalanced quarterly to conform to policy tolerances. The Company actively evaluates the reasonableness of its asset mix given changes in the projected benefit obligation and market dynamics. Our investment policy and asset mix for the non-United States pension plans varies by location and is based on projected benefit obligation and market dynamics. -101- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 12. PENSION PLANS (continued) Estimated Future Benefit Payments The following table shows estimated future benefit payments from the Company’s pension plans (in millions): Year 2021 2022 2023 2024 2025 2026-2030 Contributions Estimated Benefit Payments $ 82 $ 78 $ 78 $ 79 $ 76 $376 The Company does not expect to contribute to the U.S. pension plan during 2021. The Company expects to contribute $25 million in cash to non-U.S. plans during 2021. Actual contributions to the plans may change as a result of a variety of factors, including changes in laws that impact funding requirements. Defined Contribution Plans The Company sponsors two defined contribution plans which are available to substantially all United States employees. The Company matches a percentage of employee contributions up to a maximum level and contributes up to 2% of an employee’s wages regardless of employee contributions. The Company recognized expense of $48 million during the years ended December 31, 2020, 2019 and 2018, related to these plans. 13. POSTEMPLOYMENT AND POSTRETIREMENT BENEFITS OTHER THAN PENSIONS The Company maintains health care and life insurance benefit plans for certain retired employees and their dependents. The health care plans in the United States are non-funded and pay either (1) stated percentages of covered medically necessary expenses, after subtracting payments by Medicare or other providers and after stated deductibles have been met, or (2) fixed amounts of medical expense reimbursement. Salaried employees hired on or before December 31, 2005 become eligible to participate in the United States health care plans upon retirement if they have accumulated 10 years of service after age 45, 48 or 50, depending on the category of employee. For employees hired after December 31, 2005, the Company does not provide subsidized retiree health care. Some of the plans are contributory, with some retiree contributions adjusted annually. The Company has reserved the right to change or eliminate these benefit plans subject to the terms of collective bargaining agreements. -102- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 13. POSTEMPLOYMENT AND POSTRETIREMENT BENEFITS OTHER THAN PENSIONS (continued) The following table provides a reconciliation of the change in the projected benefit obligation and the net amount recognized in the Consolidated Balance Sheets for the years ended December 31, 2020 and 2019 (in millions): Change in Projected Benefit Obligation Benefit obligation at beginning of period Service cost Interest cost Actuarial loss/(gain) Currency gain Plan amendments Benefits paid Benefit obligation at end of period Funded status Amounts Recognized in the Consolidated Balance Sheets Accrued benefit obligation – current Accrued benefit obligation – non-current Net amount recognized Amounts Recorded in AOCI Net actuarial gain Net prior service credit Net amount recognized December 31, 2020 December 31, 2019 U.S. Non-U.S. Total U.S. Non-U.S. Total $ 169 1 5 — — — (12) $ 163 $ 14 — 1 1 (1) — (1) $ 14 $ 183 1 6 1 (1) — (13) $ 183 1 7 (7) — (1) (14) $ 177 $ 169 $ 12 — 1 2 — — (1) $ 14 $ 195 1 8 (5) — (1) (15) $ 183 $(163) $(14) $(177) $(169) $(14) $(183) $ (13) (150) $(163) $ 41 2 $ 43 $ (1) (13) $(14) $ 2 — $ 2 $ (14) $ (15) (154) (163) $(177) $(169) $ 43 2 $ 48 6 $ 45 $ 54 $ (1) (13) $(14) $ 3 — $ 3 $ (16) $(167) $(183) $ 51 6 $ 57 The following table presents information about the accumulated postretirement benefit obligation (APBO) and plan assets of the Company’s postretirement benefit plans (in millions): Plans with APBO in excess of fair value of plan assets: Accumulated postretirement benefit obligation Fair value of plan assets $163 $ — $14 $— $177 $169 $ — $ — $14 $— $183 $ — December 31, 2020 December 31, 2019 U.S. Non-U.S. Total U.S. Non-U.S. Total Weighted-Average Assumptions Used to Determine Benefit Obligations The following table presents the discount rates used to determine the benefit obligations: United States plans Non-United States plans December 31, 2019 2020 2.25% 3.10% 3.04% 3.84% -103- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 13. POSTEMPLOYMENT AND POSTRETIREMENT BENEFITS OTHER THAN PENSIONS (continued) Components of Net Periodic Postretirement Benefit Cost (Income) The following table presents the components of net periodic postretirement benefit cost (income) (in millions): Service cost Interest cost Amortization of prior service credit Amortization of actuarial gain Net periodic postretirement benefit income Twelve Months Ended December 31, 2018 2019 2020 $ 1 6 (4) (8) $(5) $ 1 8 (4) (8) $(3) $ 1 8 (4) (6) $(1) Weighted-Average Assumptions Used to Determine Net Periodic Postretirement Benefit Cost The following table presents the discount rates used to determine net periodic postretirement benefit cost: United States plans Non-United States plans Twelve Months Ended December 31, 2018 2019 2020 3.10% 4.15% 3.45% 3.84% 4.59% 4.56% The following table presents health care cost trend rates used to determine net periodic postretirement benefit cost, as well as information regarding the ultimate rate and the year in which the ultimate rate is reached: Twelve Months Ended December 31, 2018 2019 2020 United States plans: Initial rate at end of year Ultimate rate Year in which ultimate rate is reached Non-United States plans: Initial rate at end of year Ultimate rate Year in which ultimate rate is reached 8.20% 6.50% 6.75% 4.50% 5.00% 5.00% 2029 2026 2026 4.10% 5.45% 5.40% 3.90% 5.45% 5.40% 2040 2019 2019 -104- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 13. POSTEMPLOYMENT AND POSTRETIREMENT BENEFITS OTHER THAN PENSIONS (continued) Estimated Future Benefit Payments The following table shows estimated future benefit payments from the Company’s postretirement benefit plans (in millions): Year 2021 2022 2023 2024 2025 2026-2030 Postemployment Benefits Estimated Benefit Payments $14 $14 $13 $13 $12 $55 The Company may also provide benefits to former or inactive employees after employment but before retirement under certain conditions. These benefits include continuation of benefits such as health care and life insurance coverage. The accrued postemployment benefits liability at December 31, 2020 and 2019 was $8 million and $11 million, respectively. The net periodic postemployment benefit (income)/expense for the years ended December 31, 2020, 2019, and 2018 were $(1) million, $1 million and $4 million, respectively. 14. CONTINGENT LIABILITIES AND OTHER MATTERS The Company may be involved in various legal and regulatory proceedings relating to employment, antitrust, tax, product liability, environmental, contracts, intellectual property and other matters (collectively, “Proceedings”). The Company regularly reviews the status of such Proceedings along with legal counsel. Liabilities for such Proceedings are recorded when it is probable that the liability has been incurred and when the amount of the liability can be reasonably estimated. Liabilities are adjusted when additional information becomes available. Management believes that the amount of any reasonably possible losses in excess of any amounts accrued, if any, with respect to such Proceedings or any other known claim, including the matters described below under the caption Environmental Matters (the “Environmental Matters”), are not material to the Company’s financial statements. Management believes that the ultimate disposition of the Proceedings and the Environmental Matters will not have a material adverse effect on the Company’s financial condition. While the likelihood is remote, the disposition of the Proceedings and Environmental Matters could have a material impact on the results of operations, cash flows or liquidity in any given reporting period. Litigation and Regulatory Proceedings The Company is involved in litigation and regulatory proceedings from time to time in the regular course of its business. The Company believes that adequate provisions for resolution of all contingencies, claims and pending matters have been made for probable losses that are reasonably estimable. -105- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 14. CONTINGENT LIABILITIES AND OTHER MATTERS (continued) Environmental Matters The Company has established policies and procedures designed to ensure that its operations are conducted in compliance with all relevant laws and regulations and that enable the Company to meet its high standards for corporate sustainability and environmental stewardship. Our manufacturing facilities are subject to numerous foreign, federal, state and local laws and regulations relating to the presence of hazardous materials, pollution and protection of the environment, including emissions to air, reductions of greenhouse gases, discharges to water, management of hazardous materials, handling and disposal of solid wastes, use of chemicals in our manufacturing processes, and remediation of contaminated sites. All Company manufacturing facilities operate using an ISO 14001 or equivalent environmental management system. The Company’s 2030 Sustainability Goals include significant global reductions in energy use, water consumption, waste to landfill, and emissions of greenhouse gases, fine particulate matter and volatile organic air emissions, and protection of biodiversity. Owens Corning is involved in remedial response activities and is responsible for environmental remediation at a number of sites, including certain of its currently owned or formerly owned plants. These responsibilities arise under a number of laws, including, but not limited to, the Federal Resource Conservation and Recovery Act, and similar state or local laws pertaining to the management and remediation of hazardous materials and petroleum. The Company has also been named a potentially responsible party under the U.S. Federal Superfund law, or state equivalents, at a number of disposal sites. The Company became involved in these sites as a result of government action or in connection with business acquisitions. As of December 31, 2020, the Company was involved with a total of 21 sites worldwide, including 8 Superfund and state equivalent sites and 13 owned or formerly owned sites. None of the liabilities for these sites are individually significant to the Company. Remediation activities generally involve a potential range of activities and costs related to soil, groundwater, and sediment contamination. This can include pre-cleanup activities such as fact-finding and investigation, risk assessment, feasibility studies, remedial action design and implementation (where actions may range from monitoring to removal of contaminants, to installation of longer-term remediation systems). A number of factors affect the cost of environmental remediation, including the number of parties involved in a particular site, the determination of the extent of contamination, the length of time the remediation may require, the complexity of environmental regulations, variability in clean-up standards, the need for legal action, and changes in remediation technology. Taking these factors into account, Owens Corning has predicted the costs of remediation reasonably estimated to be paid over a period of years. The Company accrues an amount on an undiscounted basis, consistent with the reasonable estimates of these costs when it is probable that a liability has been incurred. Actual cost may differ from these estimates for the reasons mentioned above. At December 31, 2020, the Company had an accrual totaling $7 million for these costs, of which the current portion is $3 million. Changes in required remediation procedures or timing of those procedures, or discovery of contamination at additional sites, could result in material increases to the Company’s environmental obligations. 15. STOCK COMPENSATION Description of the Plan On April 18, 2019, the Company’s stockholders approved the Owens Corning 2019 Stock Plan (the “2019 Stock Plan”) which replaced the 2016 Stock Plan. The 2019 Stock Plan authorizes grants of stock options, stock appreciation rights, restricted stock awards, restricted stock units, bonus stock awards, performance stock awards and performance stock units. At December 31, 2020, the number of shares remaining available under the 2019 Stock Plan for all stock awards was 3.5 million. -106- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 15. STOCK COMPENSATION (continued) Prior to 2019, employees were eligible to receive stock awards under the Owens Corning 2016 Stock Plan and the Owens Corning 2013 Stock Plan. Total Stock-Based Compensation Expense Stock-based compensation expense included in Marketing and administrative expenses in the accompanying Consolidated Statements of Earnings (Loss) is as follows (in millions): Twelve Months Ended December 31, 2019 2020 2018 Total stock-based compensation expense Income tax benefit recognized on stock-based compensation expense $41 $14 $39 $ 7 $47 $24 Stock Options The Company has granted stock options under its stockholder approved stock plans. The Company calculates a weighted-average grant-date fair value using a Black-Scholes valuation model for options granted. Compensation expense for options is measured based on the fair market value of the option on the date of grant, and is recognized on a straight-line basis over a four year vesting period. In general, the exercise price of each option awarded was equal to the closing market price of the Company’s common stock on the date of grant and an option’s maximum term is 10 years. The volatility assumption was based on a benchmark study of our peers prior to 2014. Starting with the options granted in 2014, the volatility was based on the Company’s historic volatility. The Company has not granted stock options since the year ended December 31, 2014. As of December 31, 2020, there was no unrecognized compensation cost related to stock options and the range of exercise prices on outstanding stock options was $33.73—$42.16. The following table summarizes the Company’s stock option activity in 2020: Weighted-Average Number of Options Exercise Price Remaining Contractual Life (in years) Intrinsic Value (in millions) Outstanding, December 31, 2019 Exercised Outstanding, December 31, 2020 Exercisable, December 31, 2020 414,800 (53,025) 361,775 361,775 $37.79 37.90 $37.77 $37.77 3.06 1.50 1.50 $11 $14 $14 -107- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 15. STOCK COMPENSATION (continued) The total intrinsic value of stock options exercised and the resulting tax benefits received were as follows (in millions): Twelve Months Ended December 31, 2019 2020 2018 Cash received upon exercise of stock option awards Income tax benefit received for stock option awards exercised $ 2 $— $ 2 $— $ 1 $— Restricted Stock Awards and Restricted Stock Units The Company has granted restricted stock awards and restricted stock units (collectively referred to as “RSUs”) under its stockholder approved stock plans. Compensation expense for restricted stock is measured based on the closing market price of the stock at date of grant and is recognized on a straight-line basis over the vesting period, which is typically three or four years. The Stock Plan allows alternate vesting schedules for death, disability, and retirement over various periods ending in 2021. The weighted average grant date fair value of RSUs granted in 2020, 2019 and 2018 was $63.96, $52.60 and $84.34, respectively. The following table shows a summary of the Company’s RSU plans: Balance at January 1, 2020 Granted Vested Forfeited Balance at December 31, 2020 Number of RSUs 1,515,706 513,111 (515,247) (94,116) 1,419,454 Weighted- Average Fair Value $51.70 63.96 51.50 67.09 $54.99 As of December 31, 2020, there was $32 million of total unrecognized compensation cost related to RSUs. That cost is expected to be recognized over a weighted-average period of 2.31 years. The total grant date fair value of shares vested during the years ended December 31, 2020, 2019 and 2018 was $27 million, $21 million and $23 million, respectively. Performance Stock Awards and Performance Stock Units The Company has granted performance stock awards and performance stock units (collectively referred to as “PSUs”) as a part of its long-term incentive plan. All outstanding performance grants will fully settle in stock. The amount of stock ultimately distributed from the 2020, 2019 and 2018 grants is contingent on meeting internal company-based metrics or an external-based stock performance metric. In 2020, 2019 and 2018, the Company granted both internal company-based and external-based metric PSUs. -108- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 15. STOCK COMPENSATION (continued) Internal Company-based metrics The internal company-based metrics vest after a three-year period and are based on various company-based metrics over a three-year period. The amount of stock distributed will vary from 0% to 300% of PSUs awarded depending on performance versus the company-based metrics. The initial fair value for all internal company-based metric PSUs assumes that the performance goals will be achieved and is based on the grant date stock price. This assumption is monitored quarterly and if it becomes probable that such goals will not be achieved or will be exceeded, compensation expense recognized will be adjusted and previous surplus compensation expense recognized will be reversed or additional expense will be recognized. The expected term represents the period from the grant date to the end of the three-year performance period. Pro-rata vesting may be utilized in the case of death, disability or retirement, and awards, if earned, will be paid at the end of the three-year period. External based metrics The external-based metrics vest after a three-year period. Outstanding grants issued in or after 2018 will be based on the Company’s total stockholder return relative to the performance of the Dow Jones U.S. Construction & Materials Index. The amount of stock distributed will vary from 0% to 200% of PSUs awarded depending on the relative stockholder return performance. The fair value of external-based metric PSUs has been estimated at the grant date using a Monte Carlo simulation that uses various assumptions. The following table provides a range of these assumptions: Twelve Months Ended December 31, 2020 2019 2018 Expected volatility Risk free interest rate Expected term (in years) Grant date fair value of units granted 28.43% — 44.83% 26.67% 24.56% 2.45% 2.22% 2.90 $68.65 0.15% — 1.43% 2.31 — 2.90 $68.60 — $76.58 2.92 $94.14 The risk-free interest rate was based on zero coupon United States Treasury bills at the grant date. The expected term represents the period from the grant date to the end of the three-year performance period. PSU Summary As of December 31, 2020, there was $13 million total unrecognized compensation cost related to PSUs. That cost is expected to be recognized over a weighted-average period of 1.82 years. The total grant date fair value of shares vested during the years ended December 31, 2020, 2019 and 2018, was $9 million, $14 million and $23 million, respectively. -109- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 15. STOCK COMPENSATION (continued) The following table shows a summary of the Company’s PSU plans: Balance as of January 1, 2020 Granted Vested Forfeited Balance as of December 31, 2020 Employee Stock Purchase Plan Weighted- Average Grant Date Fair Value $69.23 65.29 95.43 74.09 $69.20 Number of PSUs 312,725 169,539 (98,842) (60,061) 323,361 The Owens Corning Employee Stock Purchase Plan (ESPP) is a tax qualified plan under Section 423 of the Internal Revenue Code. The purchase price of shares purchased under the ESPP is equal to 85% of the lower of the fair market value of shares of Owens Corning common stock at the beginning or ending of the offering period, which is a six month period ending on May 31 and November 30 of each year. On April 16, 2020, the Company’s stockholders approved the Amended and Restated Owens Corning Employee Stock Purchase Plan which increased the number of shares available for issuance under the plan by 4.2 million shares. As of December 31, 2020, 4.1 million shares remain available for purchase. Included in total stock-based compensation expense is $6 million, $5 million and $4 million of expense related to the Company’s ESPP for the years ended December 31, 2020, 2019 and 2018, respectively. As of December 31, 2020, the Company had $2 million of total unrecognized compensation costs related to the ESPP. Under the outstanding ESPP as of February 15, 2021, employees have contributed $4 million to purchase shares for the current purchase period ending May 31, 2021. The following table shows a summary of employee purchase activity under the ESPP: Total shares purchased by employees Average purchase price 366,442 45.17 $ 393,230 41.33 $ 295,407 48.93 $ Twelve Months Ended December 31, 2019 2018 2020 -110- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 16. CHANGES IN ACCUMULATED OTHER COMPREHENSIVE DEFICIT The following table summarizes the changes in accumulated other comprehensive income (deficit) (in millions): Currency Translation Adjustment Beginning balance Net investment hedge amounts classified into AOCI, net of tax Gain on foreign currency translation Other comprehensive income, net of tax Ending balance Pension and Other Postretirement Adjustment Beginning balance Amounts reclassified from AOCI to net earnings, net of tax (a) Amounts classified into AOCI, net of tax Other comprehensive (loss)/income, net of tax Ending balance Hedging Adjustment Beginning balance Amounts reclassified from AOCI to net earnings, net of tax (b) Amounts classified into AOCI, net of tax Other comprehensive income/(loss), net of tax Ending balance Total AOCI ending balance Twelve Months Ended December 31, 2020 2019 $(282) 11 51 62 $(306) 13 11 24 $(220) $(282) $(326) 3 (49) (46) $(372) $ $ (2) 4 2 6 4 $(588) $(350) 35 (11) 24 $(326) $ — 3 (5) (2) $ (2) $(610) (a) These AOCI components are included in the computation of total Pension and Other Postretirement cost and are recorded in Non-operating expense (income). See Notes 12 and 13 for additional information. (b) Amounts reclassified from (loss)/gain on cash flow hedges are reclassified from AOCI to income when the hedged item affects earnings and is recognized in Cost of sales or Interest expense, net depending on the hedged item. See Note 4 for additional information. -111- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 17. EARNINGS PER SHARE The following table is a reconciliation of weighted-average shares for calculating basic and diluted earnings (loss) per-share (in millions, except per share amounts): Twelve Months Ended December 31, 2019 2018 2020 Net earnings (loss) attributable to Owens Corning $ (383) $ 405 $ 545 Weighted-average number of shares outstanding used for basic earnings (loss) per share Non-vested restricted and performance shares Options to purchase common stock Weighted-average number of shares outstanding and common equivalent shares used for diluted earnings (loss) per share Earnings (loss) per common share attributable to Owens Corning common stockholders: Basic Diluted 108.6 — — 109.2 0.7 0.2 110.4 0.8 0.2 108.6 110.1 111.4 $ (3.53) $ 3.71 $ (3.53) $ 3.68 $ 4.94 $ 4.89 Basic earnings (loss) per share is calculated by dividing earnings (loss) attributable to Owens Corning by the weighted-average number of shares of the Company’s common stock outstanding during the period. Outstanding shares consist of issued shares less treasury stock. On December 3, 2020, the Board of Directors approved a new share buy-back program under which the Company is authorized to repurchase up to 10 million shares of the Company’s outstanding common stock (the “2020 Repurchase Authorization”). The 2020 Repurchase Authorization is in addition to the share buy-back program announced October 24, 2016 (the 2016 Repurchase Authorization and collectively with the 2020 Repurchase Authorization, the “Repurchase Authorization”). The Repurchase Authorization enables the Company to repurchase shares through the open market, privately negotiated, or other transactions. The actual number of shares repurchased will depend on timing, market conditions and other factors and is at the Company’s discretion. The Company repurchased 4.1 million shares of its common stock for $292 million for the year ended December 31, 2020 under the Repurchase Authorization. As of December 31, 2020, 9.5 million shares remain available for repurchase under the Repurchase Authorization. For the year ended December 31, 2020, diluted earnings per share was equal to basic earnings per share due to the net loss attributable to Owens Corning. For the year ended December 31, 2019, the Company did not have any non-vested restricted shares or non-vested performance shares that had an anti-dilutive effect on earnings per share. For the year ended December 31, 2018, the number of shares used in the calculation of diluted earnings per share did not include 0.3 million non-vested restricted shares and 0.3 million non-vested performance shares due to their anti-dilutive effect. -112- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 18. INCOME TAXES The following table summarizes our Earnings (loss) before taxes and Income tax expense (in millions): Twelve Months Ended December 31, 2019 2020 2018 Earnings before taxes: United States Foreign Total Income tax expense: Current United States State and local Foreign Total current Deferred United States State and local Foreign Total deferred Total income tax expense $ 8 (264) $315 275 $(256) $590 $411 293 $704 $ 4 16 30 50 64 (1) 16 79 $ (4) 11 60 $ (10) 6 19 67 15 112 11 (4) 119 114 12 15 141 $ 129 $186 $156 The reconciliation between the United States federal statutory rate and the Company’s effective income tax rate from continuing operations is: Twelve Months Ended December 31, 2019 2020 2018 United States federal statutory rate State and local income taxes, net of federal tax benefit U.S. tax expense on foreign earnings Legislative tax rate changes Foreign tax credits Valuation allowance Intercompany restructuring—intellectual property transfer Goodwill impairment charge Uncertain tax positions and settlements Excess tax benefits related to stock compensation Other, net Effective tax rate 21% 21% (9) (5) 7 2 (15) 14 (75) 2 2 6 3 1 2 — 3 — — — — 1 (50)% 31% 21% 2 2 — — 2 — — (5) (2) 2 22% -113- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 18. INCOME TAXES (continued) In the first quarter of 2020, the company recorded non-cash impairment charges related to the impairment of goodwill and certain other indefinite-lived intangible assets which were largely non-deductible resulting in a substantial negative impact to our effective tax rate. In addition, non-cash charges were recorded in 2020 related to valuation allowance adjustments against certain deferred tax assets recorded in our French, Indian and Other foreign legal entities due to volatility in the markets we serve from the COVID-19 pandemic. In December 2020, the company completed an intercompany restructuring that resulted in the transfer of certain intellectual property rights, held by wholly owned foreign subsidiaries, to the U.S. The intellectual property rights transferred to the US resulted in a step-up in the tax basis for U.S. tax purposes which resulted in the company recognizing a deferred tax asset of $37 million and a current year tax expense of $5 million. The recognized tax benefit of $37 million is amortizable for US tax purposes over a fifteen-year period. On July 20, 2020 the Internal Revenue Service (IRS) issued final regulations under IRC Section 951A permitting a taxpayer to elect to exclude, from its inclusion of global intangible low-taxed income (GILTI), income subject to a high foreign effective tax rate. As a result of the final regulations, the company recorded a net non-cash income tax benefit of $13 million in the third quarter relating to the 2018 and 2019 tax years. On March 6, 2019, the U.S. Treasury and the IRS proposed regulations that provide guidance on determining the amount of a domestic corporation’s deduction for GILTI and foreign-derived intangible income (FDII) added by the U.S. Tax Cuts and Jobs Act of 2017 (the “Tax Act”). The proposed regulations provide special rules to determine the deduction amount, which adjusted the Company’s 2018 tax estimate and resulted in an increase to tax expense of $12 million for 2019. Effective January 1, 2018, the Tax Act created a new requirement to include GILTI earned by controlled foreign corporations (CFCs) in U.S. income. The GILTI must be included currently in the gross income of the CFCs’ U.S. shareholder. Under U.S. GAAP, we are allowed to make an accounting policy choice of either (1) treating taxes due on future U.S. inclusions related to GILTI as a current-period expense when incurred (the “period cost method”) or (2) factoring such amounts into a company’s measurement of its deferred taxes (the “deferred method”). During the first quarter of 2018, we selected the period cost method in recording the tax effects of GILTI in our financial statements. In February 2018, the FASB issued ASU 2018-02 “Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income”, which provides companies with an option to reclassify stranded tax effects resulting from enactment of the Tax Act from Accumulated other comprehensive income to Accumulated earnings. The standard was effective for the Company starting January 1, 2019. The Company has elected not to reclassify the income tax effects of the Tax Act from Accumulated other comprehensive income to Accumulated earnings. The Company continues to assert indefinite reinvestment in accordance with ASC 740 based on the laws as of enactment of the Tax Act. As of December 31, 2020, the Company has not provided for withholding or income taxes on approximately $1.2 billion of undistributed reserves of its foreign subsidiaries and affiliates as they are considered by management to be permanently reinvested. Quantification of the deferred tax liability associated with these undistributed reserves is not practicable. -114- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 18. INCOME TAXES (continued) The cumulative temporary differences giving rise to the deferred tax assets and liabilities are as follows (in millions): Other employee benefits Pension plans Operating loss and tax credit carryforwards Depreciation Leases – Right of Use Assets Leases – Liability Amortization Foreign tax credits State and local taxes Other Subtotal Valuation allowances Total deferred taxes December 31, 2020 Deferred Tax Liabilities Deferred Tax Assets December 31, 2019 Deferred Tax Liabilities Deferred Tax Assets $ 71 41 170 — — 33 — 49 — 90 454 (133) $ 321 $ — — — 259 33 — 333 — — — 625 — $625 $ 76 54 195 — — 49 — 97 3 76 550 (92) $458 $ — — — 247 49 — 388 — — — 684 — $684 The following table summarizes the amount and expiration dates of our deferred tax assets related to operating loss and credit carryforwards at December 31, 2020 (in millions): U.S. federal loss carryforwards U.S. state loss carryforwards (a) Foreign loss and tax credit carryforwards Foreign loss and tax credit carryforwards (a) Other U.S. federal and state tax credits Total operating loss and tax credit carryforwards U.S foreign tax credits Expiration Dates 2036 2021 – 2034 Indefinite 2021 – 2039 2028 – 2034 2027 Amounts $ 23 37 41 66 3 $170 $ 49 (a) As of December 31, 2020, $12 million of U.S. state and $7 million of foreign deferred tax assets related to loss carryforwards that are set to expire over the next three years. At December 31, 2020, the Company had federal, state and foreign net operating loss (NOL) carryforwards of $111 million, $1,160 million and $418 million, respectively. In order to utilize our NOLs, the Company will need to generate federal, state, and foreign earnings before taxes of approximately $111 million, $1,115 million, and $395 million, respectively. Certain of these loss carryforwards are subject to limitation as a result of the acquisition of certain foreign entities in 2007. However, the Company believes that these limitations on its loss carryforwards will not result in a forfeiture of any of the carryforwards. Deferred income taxes are provided for temporary differences between amounts of assets and liabilities for financial reporting purposes and the basis of such assets and liabilities as measured under enacted tax laws and -115- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 18. INCOME TAXES (continued) regulations, as well as NOLs, tax credits and other carryforwards. A valuation allowance will be recorded to reduce deferred tax assets if, based on all available evidence, it is considered more likely than not that some portion or all of the recorded deferred tax assets will not be realized in future periods. To the extent the reversal of deferred tax liabilities is relied upon in our assessment of the realizability of deferred tax assets, they will reverse in the same period and jurisdiction as the temporary differences giving rise to the deferred tax assets. As of December 31, 2020, the Company had federal net deferred tax liabilities before valuation allowances of $140 million, state net deferred tax liabilities of $1 million, and foreign net deferred tax liabilities of $31 million. The valuation allowance of $133 million as of December 31, 2020 is related to tax assets of $49 million, $7 million and $77 million for U.S. federal FTCs and certain state and foreign jurisdictions, respectively. The realization of deferred tax assets depends on achieving a certain minimum level of future taxable income. Management currently believes that it is at least reasonably possible that the minimum level of taxable income will be met within the next 12 months to reduce the valuation allowance of certain foreign jurisdictions by a range of zero to $9 million. The valuation allowance of $92 million as of December 31, 2019 is related to tax assets of $43 million, $11 million, and $38 million for U.S. federal FTC’s and certain state and foreign jurisdictions, respectively. The Company, or one of its subsidiaries, files income tax returns in the United States and other foreign jurisdictions. The Company is no longer subject to U.S. federal tax examinations for years before 2017 or state and foreign examinations for years before 2010. Due to the potential for resolution of federal, state and foreign examinations, and the expiration of various statutes of limitation, it is reasonably possible that the gross unrecognized tax benefits balance may change within the next 12 months by a range of zero to $4 million. A reconciliation of the beginning and ending amounts of unrecognized tax benefits is as follows (in millions): Twelve Months Ended December 31, 2019 2020 2018 Balance at beginning of period Tax positions related to the current year Gross additions Tax positions related to prior years Gross additions Gross reductions Settlements Expiration of statute of limitations Impact of currency changes Balance at end of period $79 $84 $ 90 — 2 (1) (1) (3) — — 1 — (1) (5) — 6 36 (37) (5) (4) (2) $76 $79 $ 84 If these uncertain tax benefits (UTBs) were to be recognized as of December 31, 2020, the Company’s income tax expense would decrease by about $59 million. The Company classifies all interest and penalties as income tax expense. As of December 31, 2020, 2019 and 2018, and for the periods then ended, the Company recognized $7 million, $8 million and $10 million, respectively, in liabilities for tax related interest and penalties on its Consolidated Balance Sheets and less than -116- OWENS CORNING AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (continued) 18. INCOME TAXES (continued) $1 million, $2 million and $1 million, respectively, of interest and penalty expense on its Consolidated Statements of Earnings (Loss). On February 5, 2018, the Company acquired all the outstanding equity of Paroc, a leading producer of mineral wool insulation for building and technical applications in Europe. The acquisition included net uncertain tax benefits (UTBs) related to a transfer pricing dispute and interest expense. On December 18, 2018, the Finnish Supreme Administrative Court (SAC) ruled in favor of Paroc Oy Ag, a wholly-owned subsidiary of the Company, regarding the transfer pricing dispute for tax years 2006 to 2008. Based on the SAC decision, the Company reduced the UTB regarding the transfer pricing dispute by $32 million and recorded a corresponding benefit to income tax expense. -117- OWENS CORNING AND SUBSIDIARIES INDEX TO CONDENSED FINANCIAL STATEMENT SCHEDULE Number Description II Valuation and Qualifying Accounts and Reserves – for the years ended December 31, 2020, 2019 and 2018 Page 118 -118- OWENS CORNING AND SUBSIDIARIES SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS AND RESERVES FOR THE YEARS ENDED DECEMBER 31, 2020, 2019 AND 2018 (in millions) Balance at Beginning of Period Charged to Costs and Expenses Charged to Other Accounts Deductions Acquisitions and Divestitures Balance at End of Period FOR THE YEAR ENDED DECEMBER 31, 2020 Allowance for doubtful accounts Tax valuation allowance FOR THE YEAR ENDED DECEMBER 31, 2019 Allowance for doubtful accounts Tax valuation allowance FOR THE YEAR ENDED DECEMBER 31, 2018 Allowance for doubtful accounts Tax valuation allowance $11 $92 $16 $78 $19 $94 $ 1 $39 $ 2 $19 $— $13 $— $ 2 $— $ 1 $ (2)(a) $ — $— $— $ 10 $133 $ (7)(a) $ (6) $— $— $ 11 $ 92 $— $ (4) $ (4)(a) $(31) $ 1 $ 6 $ 16 $ 78 (a) Uncollectible accounts written off, net of recoveries. -119- DIRECTORS OF OWENS CORNING AS OF MARCH 11, 2021 DIRECTORS Brian D. Chambers Chairman, President and Chief Executive Officer Eduardo E. Cordeiro Formerly Executive Vice President, Chief Financial Officer and President, Americas, Cabot Corporation, a global specialty chemicals and performance materials company Alfred E. Festa Formerly Chairman and Chief Executive Officer of W.R. Grace & Co., a leading global producer of specialty chemicals and materials Paul E. Martin Formerly Senior Vice President and Chief Information Officer for Baxter International, Inc., a multinational health care company Ralph F. Hake Formerly Chairman and Chief Executive Officer of the Maytag Corporation, a manufacturer of home and commercial appliances W. Howard Morris President and Chief Investment Officer of The Prairie & Tireman Group, an investment partnership Adrienne D. Elsner President, Chief Executive Officer and Director of Charlotte’s Web Holdings, Inc., a leader in hemp- derived CBD extract products Edward F. Lonergan Executive Chairman of Zep Inc., an international provider of maintenance and cleaning solutions Suzanne P. Nimocks Formerly Director (Senior Partner) with McKinsey & Company, a global management consulting firm J. Brian Ferguson Formerly Executive Chairman of Eastman Chemical Company, a global chemical company engaged in the manufacture and sale of a broad portfolio of chemicals, plastics and fibers Directors’ Code of Conduct Maryann T. Mannen Executive Vice President and Chief Financial Officer of Marathon Petroleum Corporation, a leading, integrated, downstream energy company John D. Williams President, Chief Executive Officer and Director of Domtar Corporation, a manufacturer of fiber-based products The members of our Board of Directors are required to comply with a Directors’ Code of Conduct (the “Code”). The Code is intended to focus the Board and the individual directors on areas of ethical risk, help directors recognize and deal with ethical issues, provide mechanisms to report unethical conduct, and foster a culture of honesty and accountability. The Code covers all areas of professional conduct relating to service on the Owens Corning Board, including conflicts of interest, unfair or unethical use of corporate opportunities, strict protection of confidential information, compliance with all applicable laws and regulations, sustainability and oversight of ethics and compliance by employees of the Company. The full texts of our Code of Business Conduct Policy, Ethics Policy for Chief Executive and Senior Financial Officers and Directors’ Code of Conduct are published on our website at www.owenscorning.com and will be made available in print upon request by any stockholder to the Secretary of the Company. To the extent required by applicable SEC rules or New York Stock Exchange listing standards, we intend to post any amendments to or waivers from the Ethics Policy for Chief Executive and Senior Financial Officers to our website in the section titled, “Corporate Governance.” OWENS CORNING WORLD HEADQUARTERS ONE OWENS CORNING PARKWAY TOLEDO, OHIO, U.S.A. 43659 THE PINK PANTHER™ & © 1964–2021 Metro-Goldwyn-Mayer Studios Inc. All Rights Reserved. © 2021 Owens Corning. All Rights Reserved. 

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