rrd198109_223771.html

-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, TL4F1yov36lb5hDWtgFEPmj3o177iIrCzO8uC1ZTwUS/qkew51Od9KtBVUqstenw YoYPKoyMlFkw6Ul0fSfPcw== 0001181431-08-058490.txt : 20081028 0001181431-08-058490.hdr.sgml : 20081028 20081028154553 ACCESSION NUMBER: 0001181431-08-058490 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20081027 FILED AS OF DATE: 20081028 DATE AS OF CHANGE: 20081028 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ARMSTRONG WORLD INDUSTRIES INC CENTRAL INDEX KEY: 0000007431 STANDARD INDUSTRIAL CLASSIFICATION: PLASTICS PRODUCTS, NEC [3089] IRS NUMBER: 230366390 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2500 COLUMBIA AVE CITY: LANCASTER STATE: PA ZIP: 17603 BUSINESS PHONE: 7173970611 MAIL ADDRESS: STREET 1: 2500 COLUMBIA AVE CITY: LANCASTER STATE: PA ZIP: 17603 FORMER COMPANY: FORMER CONFORMED NAME: ARMSTRONG CORK CO DATE OF NAME CHANGE: 19800611 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: BOSCIA JON A CENTRAL INDEX KEY: 0001157628 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-02116 FILM NUMBER: 081144803 BUSINESS ADDRESS: STREET 1: 100 CRYSTAL A DRIVE CITY: HERSHEY STATE: PA ZIP: 17033 3 1 rrd221307.xml BOSCIA X0203 3 2008-10-27 1 0000007431 ARMSTRONG WORLD INDUSTRIES INC AWI 0001157628 BOSCIA JON A C/O ARMSTRONG WORLD INDUSTRIES, INC. PO BOX 3001 LANCASTER PA 17604 1 0 0 0 Michele M. Nicholas, by Power of Attorney 2008-10-28 EX-24. 2 rrd198109_223771.htm POA rrd198109_223771.html

For SEC Section 16 Reporting and Related Matters

I hereby constitute and appoint each of Michele M. Nicholas, Jeffrey D. Nickel and
Robert J. Sandkuhler as my true and lawful attorneys-in-fact and agents, and grant each of
them, acting alone, full power to act on my behalf and in my name, place and stead,
in any and all capacities for the purposes of signing on my behalf, any Form ID,
Form 3, Form 4 or Form 5 required to be filed by me pursuant to Section 16 of the
Securities and Exchange Act of 1934, as amended, and any Form 144 required to be filed
by me under the Securities Act of 1933, as amended, and Rule 144 promulgated
thereunder including, without limitation, the power to sign any and all amendments to
such forms, if any, and to file such forms with the Securities and Exchange Commission,
and to do and perform each and every act and thing requisite or necessary to be done in
connection with such forms, as fully and to all intents and purposes as I might or could do
in person. The authority under this Power of Attorney shall continue until I am no
longer required to file Form 3, Form 4, Form 5 and Form 144 with regard to my
ownership of or transactions in securities of Armstrong World Industries, Inc., unless
earlier revoked in writing.

I acknowledge that the above-named attorneys-in-fact are not assuming any of my
responsibilities to comply with Rule 144 of the Securities Act of 1933, Section 16 of the
Securities and Exchange Act of 1934, or any other securities laws.

IN WITNESS WHEREOF, I have signed my name this 27 th day of October, 2008.

/s/ Jon A. Boscia
& nbsp; Jon A. Boscia

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