ARMSTRONG WORLD INDUSTRIES INC — Director's Dealing 2021

Jan 16, 2021

SEC Form 4/A — Form 4/A

Issuer: ARMSTRONG WORLD INDUSTRIES INC (AWI)
CIK: 0000007431
Period of Report: 2020-04-11

Reporting Person: Hershey Mark A (SVP, Gen Cnsl, Compliance)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-04-11	Common Stock	F	1963	$84.29	Disposed	49000	Direct

Footnotes

F1: Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the vesting of certain restricted stock units
granted to the Reporting Person under the 2011 Long-Term Incentive Plan and previously disclosed by the Reporting Person on Table II on April 13, 2016.

F2: This report on Form 4/A amends the Form 4 filed by the reporting person on April 14, 2020 (and subsequently filed Form 4s through the date hereof) solely to correct the "amount of
securities beneficially owned following reported transaction" on Table I, column 5, which was inadvertently understated by 4,513 shares.