X0607 3 2026-04-01 1 0000007431 ARMSTRONG WORLD INDUSTRIES INC AWI 0002123771 Cicali Jessica Marie false 2500 COLUMBIA AVENUE LANCASTER PA 17603 1 SVP, GC & CCO, Secretary Exhibit 24 - Power of Attorney /s/ Alan M. Kidd, Attorney-in-fact 2026-04-01