ARMSTRONG WORLD INDUSTRIES INC — Director's Dealing 2012

Apr 12, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARMSTRONG WORLD INDUSTRIES INC (AWI)
CIK: 0000007431
Period of Report: 2012-04-10

Reporting Person: Mangas Thomas B (Sr. VP & CFO)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-04-10	Stock Options	$26.21	D	21704	Disposed	2020-03-02	Common Stock (21704)	Direct
2012-04-10	Stock Options	$22.48	A	25309	Acquired	2020-03-02	Common Stock (25309)	Direct
2012-04-10	Stock Options	$26.21	D	21705	Disposed	2020-03-02	Common Stock (21705)	Direct
2012-04-10	Stock Options	$22.48	A	25310	Acquired	2020-03-02	Common Stock (25310)	Direct
2012-04-10	Stock Options	$26.21	D	21705	Disposed	2020-03-02	Common Stock (21705)	Direct
2012-04-10	Stock Options	$22.48	A	25310	Acquired	2020-03-02	Common Stock (25310)	Direct
2012-04-10	Stock Options	$29.23	D	27425	Disposed	2020-04-01	Common Stock (27425)	Direct
2012-04-10	Stock Options	$25.07	A	31980	Acquired	2020-04-01	Common Stock (31980)	Direct
2012-04-10	Stock Options	$29.23	D	27425	Disposed	2020-04-01	Common Stock (27425)	Direct
2012-04-10	Stock Options	$25.07	A	31980	Acquired	2020-04-01	Common Stock (31980)	Direct
2012-04-10	Stock Options	$29.23	D	27425	Disposed	2020-04-01	Common Stock (27425)	Direct
2012-04-10	Stock Options	$25.07	A	31981	Acquired	2020-04-01	Common Stock (31981)	Direct
2012-04-10	Stock Options	$41.47	D	11567	Disposed	2021-03-02	Common Stock (11567)	Direct
2012-04-10	Stock Options	$35.57	A	13489	Acquired	2021-03-02	Common Stock (13489)	Direct
2012-04-10	Stock Options	$41.47	D	11568	Disposed	2021-03-02	Common Stock (11568)	Direct
2012-04-10	Stock Options	$35.57	A	13489	Acquired	2021-03-02	Common Stock (13489)	Direct
2012-04-10	Stock Options	$41.47	D	11568	Disposed	2021-03-02	Common Stock (11568)	Direct
2012-04-10	Stock Options	$35.57	A	13489	Acquired	2021-03-02	Common Stock (13489)	Direct
2012-04-10	Stock Options	$50.38	D	9685	Disposed	2022-02-28	Common Stock (9685)	Direct
2012-04-10	Stock Options	$43.21	A	11294	Acquired	2022-02-28	Common Stock (11294)	Direct
2012-04-10	Stock Options	$50.38	D	9685	Disposed	2022-02-28	Common Stock (9685)	Direct
2012-04-10	Stock Options	$43.21	A	11294	Acquired	2022-02-28	Common Stock (11294)	Direct
2012-04-10	Stock Options	$50.38	D	9686	Disposed	2022-02-28	Common Stock (9686)	Direct
2012-04-10	Stock Options	$43.21	A	11294	Acquired	2022-02-28	Common Stock (11294)	Direct

Footnotes

F1: The reported transactions relate to an adjustment of outstanding stock options and exercise prices in connection with the Registrant's payment of a special cash dividend to shareholders on April 10, 2012, resulting in the deemed cancellation of the original options and the grant of replacement options. An adjustment is required under the terms of the underlying equity incentive plan.