Armstrong Begins Secondary Stock Offering

Lancaster, PA, Nov. 6, 2012 -- Armstrong World Industries has begun a secondary public stock offering of 5.2 million common shares held by The Armstrong World Industries Asbestos Personal Injury Settlement Trust and Armor TPG Holdings LLC.

The underwriters will have a 30-day option to purchase up to an additional 780,000 common shares.

The company itself is not selling any shares and will not receive any proceeds from the offering.