LANCASTER, PA - Armstrong World Industries, Inc. (NYSE: AWI) (the "Company") announced today the pricing of the previously announced secondary public offering of 6,000,000 common shares of the Company held by The Armstrong World Industries, Inc. Asbestos Personal Injury Settlement Trust (the "Trust") and Armor TPG Holdings, L.P. ("TPG") at an initial price to the public of $51.00 per share. The Trust and TPG are selling 3,631,735 shares and 2,368,265 shares in the offering, respectively. The Company will not sell any shares in the offering and will not receive any proceeds from the offering.

Citigroup and Deutsche Bank Securities are acting as the joint book running managers for the offering. The underwriters have commenced the offering to purchasers in one or more transactions on the New York Stock Exchange, in the over-the-counter market, through negotiated transactions or otherwise at market prices prevailing at the time of sale, at prices related to prevailing market prices or at negotiated prices.

The offering is expected to close on or about November 13, 2013, subject to customary closing conditions.

The shares will be offered pursuant to the Company's automatically effective registration statement (and prospectus) on Form S-3 previously filed with the U.S. Securities and Exchange Commission (the "SEC"). Before you invest, you should read the prospectus in that registration statement and other documents the Company has filed with the SEC for more complete information about the Company and this offering. You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, a copy of the prospectus supplement relating to the offering may be obtained by contacting: Citigroup, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, Tel: 1-800-831-9146 or Deutsche Bank Securities Inc., Attn.: Prospectus Group, 60 Wall Street, New York, NY 10005-2836, Tel: (800) 503-4611, Email: [email protected].

This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

Source: Armstrong World Industries, Inc.