阿姆斯特朗 2026年季度报告

(Mark One)☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended March 31, 2026OR☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ARMSTRONG WORLD INDUSTRIES, INC. (Exact Name of Registrant as Specified in its Charter) Pennsylvania(State or other jurisdiction ofincorporation or organization)2500 Columbia Avenue, Lancaster, Pennsylvania 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 of1934 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 Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required tosubmit such files).Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company,or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying withany new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).Yes☐No☒Number of shares of Armstrong World Industries, Inc.’s common stock outstanding as of April 23, 2026 – 42,678,835. TABLE OF CONTENTS Cautionary Note Regarding Forward-Looking Statements PART I - FINANCIAL INFORMATION Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations25Item 3.Quantitative and Qualitative Disclosures About Market Risk31 When we refer to “AWI,” the “Company,” “we,” “our” and “us,” we are referring to Armstrong World Industries, Inc. and its subsidiaries. CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS Certain statements in this Quarterly Report on Form 10-Q and the documents incorporated by reference herein may constituteforward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Those forward-lookingstatements are subject to various risks and uncertainties and include all statements that are not historical statements of fact and thoseregarding our intent, belief or expectations, including, but not limited to, our expectations concerning our markets and demand forour products, tariffs, broader economic conditions and their effect on our operating results; our expectations regarding the paymentof dividends and stock repurchases; and our ability to increase revenues, earnings and earnings before interest, taxes, depreciationand amortization. Words such as “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe,” “outlook,” “target,”“predict,” “may,” “will,” “would,” “could,” “should,” “seek,” and similar expressions are intended to identify such forward-looking Risks Related to Our Operations •changes in key customer relationships;•availability and costs of manufacturing inputs or sourced products, which may be impacted by governmental tradepolicies, including tariffs, geopolitical events, and other supply chain disruptions or inflationary pressures; Risks Related to Our Strategy•ability to achieve benefits from strategic initiatives, including investments in product innovation and digitalization; Risks Related to Financial Matters •ability to meet liquidity needs and indebtedness;•ability to make dividend payments and stock repurchases; Risks Related to Legal and Regulatory Matters •claims, litigation and regulatory actions;•environmental liability exposure and related regulatory compliance costs; Risks Related to General Economic and Other Factors •changing economic conditions;•dependence on North American construction activity; •information technology disruptions and cybersecurity breaches;•dependence on third-party vendors and suppliers;•geographic concentration;•public health epidemics or pandemics; and •other risks detailed from time to time in our filings with the Securities and Exchange Commission (the “SEC”), pressreleases and other communications, including those set forth under “Risk Factors” included in our Annual Report on Such forward-looking statements speak only as of the date they are made. We expressly disclaim any obligation to release publiclyany updates or revisions to any forward-looking statements to reflect any change in our expectations with regard thereto or change Armstrong World Industries, Inc., and SubsidiariesCondensed Consolidated Statements of Ea