Austin So - Feb 1, 2022 Form 4 Insider Report for ARMSTRONG WORLD INDUSTRIES INC (AWI)

Role: SVP Gen Cnsl, Compliance
Signature: /s/ Austin K. So
Stock symbol: AWI
Transactions as of: Feb 1, 2022
Transactions value $: $0
Form type: 4
Date filed: 2/3/2022, 03:39 PM
Next filing: Feb 8, 2022

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	AWI	Restricted Stock Units	Award	$0	+3.81K		$0.00	3.81K	Feb 1, 2022	Common Stock	3.81K		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock under the Issuer's 2016 Long-Term Incentive Plan.
F2	The restricted stock units were granted to the Reporting Person on February 1, 2022 and will vest as follows: (1) 1,268 on the first anniversary of the grant, (2) 1,268 on the second anniversary of the grant, and (3) 1,269 on the third anniversary of the grant (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2016 Long-Term Incentive Plan).

Content

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock under the Issuer's 2016 Long-Term Incentive Plan.

The restricted stock units were granted to the Reporting Person on February 1, 2022 and will vest as follows: (1) 1,268 on the first anniversary of the grant, (2) 1,268 on the second anniversary of the grant, and (3) 1,269 on the third anniversary of the grant (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2016 Long-Term Incentive Plan).