Armstrong World Industries, Inc. is a global leader in the design and manufacture of floors, ceilings and cabinets. In 2011, Armstrong's consolidated net sales totaled approximately $2.9 billion. Based in Lancaster, Pa., Armstrong operates 33 plants in eight countries and has approximately 9,300 employees worldwide.Armstrong has been a leader in corporate governance for many years. Our board has been comprised of outside directors since at least 1990. We were leaders in establishing governance principles, a board evaluation process and fully-independent audit, compensation and governance committees. In recent years, Armstrong strengthened its corporate governance with more detailed Corporate Governance Principles, expanded committee charters and provided multiple means for shareholders to contact the board.