ARMSTRONG WORLD INDUSTRIES INC — Director's Dealing 2008

Mar 13, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARMSTRONG WORLD INDUSTRIES INC (AWI)
CIK: 0000007431
Period of Report: 2008-03-11

Reporting Person: RIGAS JOHN N (Sr. VP & General Counsel)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2008-03-11	Stock Option (right to buy)	$29.37	J	4256	Acquired	2016-10-02	Common Stock (4256)	Direct

Footnotes

F1: The disclosure on this Form 4 reflects an adjustment to the exercise price, made on March 11, 2008, to previously granted stock option awards under the issuer's Long-Term Incentive Plan in connection with the special dividend of $4.50 per share of Common Stock payable on March 31, 2008, to shareholders of record as of March 11, 2008. The initial awards were granted on October 2, 2006 (at an exercise price of $38.42/share).

F2: The reporting person acquired a number of additional stock options resulting from the adjustment to each of the previously granted stock options.

F3: The stock options will vest and become exercisable in three installments as follows: 29,018 shares on October 2, 2008; 29,019 shares on October 2, 2009 and 29,019 shares on October 2, 2010 (contingent upon the officer's employment on the scheduled vesting date).