On January 25, 2012, David Bonderman, a member of the Board of Directors of Armstrong World Industries, Inc. since 2009, informed the Board of his intention to not stand for reelection as a director when his term expires at the Company's 2012 Annual Meeting of Shareholders. Mr. Bonderman's decision is not the result of any disagreement with the Company on any matter relating to its operations, policies or practices and he intends to serve as a member of the Board for the remainder of his current term.