Armstrong World Industries Announces President and CEO Vic Grizzle to Transition to Executive Chair and Mark Hershey to Become President and CEO Effective April 1, 2026

Armstrong World Industries, Inc. (NYSE:AWI), an Americas leader in the design and manufacture of innovative interior and exterior architectural applications including ceilings, specialty walls and exterior metal solutions, announced today that the company’s President and CEO Vic Grizzle will transition to Executive Chair, and that current Senior Vice President and Chief Operating Officer Mark Hershey will succeed Grizzle as CEO and President effective April 1, 2026. Hershey will also become a member of the Armstrong Board of Directors. “On behalf of the Board, we sincerely appreciate Vic’s decade of service as CEO and his commitment to ensuring a successful leadership transition,” said Roy Templin, Chair of the Armstrong Board of Directors. “Under Vic’s leadership, Armstrong transformed into a uniquely focused, building products company with a proven record of consistent, profitable growth. His focus on operational excellence, innovation, disciplined capital allocation and talent