UNITEDSTATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share AWI New York Stock Exchange FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 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 ...

Armstrong World Industries, Inc. (NYSE:AWI) Q1 2020 Earnings Conference Call April 27, 2020 11:00 AM ET Company Participants Tom Waters - Vice President, Corporate Finance Vic Grizzle - Chief Executive Officer Brian MacNeal - Chief Financial Officer Conference Call Participants Keith Hughes - SunTrust John Lovallo - Bank of America Ken Zener - KeyBanc Kathryn Thompson - Thompson Research Group Susan Maklari - Goldman Sachs Michael Wood - Nomura Instinet Stephen Kim - Evercore ISI Philip Ng - Jeffries Garik ...

UNITEDSTATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share AWI New York Stock Exchange FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 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 ...

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share AWI New York Stock Exchange Securities registered pursuant to Section 12(g) of the Act: None UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EX ...

Armstrong World Industries, Inc. (NYSE:AWI) Q4 2019 Results Earnings Conference Call February 24, 2020 11:00 AM ET Company Participants Tom Waters - Vice President, Corporate Finance Vic Grizzle - Chief Executive Officer Brian MacNeal - Chief Financial Officer Conference Call Participants Stephen Kim - Evercore ISI Michael Wood - Nomura John Lovallo - Bank of America Susan Maklari - Goldman Sachs Kathryn Thompson - Thompson Research Keith Hughes - SunTrust Robinson Justin Speer - Zelman & Associates Phil Ng ...

Armstrong World Industries, Inc. (NYSE:AWI) Q3 2019 Earnings Conference Call October 28, 2019 11:00 AM ET Company Participants Tom Waters - Vice President of Corporate Finance Vic Grizzle - Chief Executive Officer Brian MacNeal - Chief Financial Officer Conference Call Participants Keith Hughes - SunTrust Stephen Kim - Evercore ISI John Lovallo - Bank of America. Michael Wood - Nomura Instinet Kathryn Thompson - Thompson Research Ken Zener - KeyBanc Phil Ng - Jefferies Garik Shmois - Longbow Research Justin ...

UNITEDSTATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share AWI New York Stock Exchange FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commis ...