Power of Attorney for Jose Manuel Canovas De La Nuez

SEC Filing 3 (0002079107-25-000003)

Jose Manuel Canovas De La Nuez, President of Insulation at Owens Corning, has granted a Power of Attorney to Gina A. Beredo, Katherine M. Serevitch, and Niko A. Eren. This authorization allows them to execute and file Forms 3, 4, and 5 on his behalf, in compliance with Section 16(a) of the Securities Exchange Act of 1934. The Power of Attorney also permits them to perform any necessary actions related to these filings, including amendments and submissions to the U.S. Securities and Exchange Commission and other relevant authorities. The Power of Attorney will remain in effect until Canovas De La Nuez is no longer required to file these forms or until he revokes it in writing.