ARMSTRONG WORLD INDUSTRIES INC - Officer and Director Change

This filing, specifically Exhibit 24, documents a Power of Attorney granted by Alan M. Kidd, acting as Attorney-in-fact, on April 1, 2026. The power of attorney is in relation to Jessica Marie Cicali, identified by CIK 0002123771, who holds the position of SVP, GC & CCO, Secretary at ARMSTRONG WORLD INDUSTRIES INC (AWI). The filing indicates that Ms. Cicali has no direct securities ownership reported in this document, and the document type is a Form 3, typically used for initial filings of beneficial ownership. The address provided for Ms. Cicali is 2500 COLUMBIA AVENUE, LANCASTER, PA 17603.