X0206 3 2024-05-15 0 0000063276 MATTEL INC /DE/ MAT 0002024410 Ancira Karen 333 CONTINENTAL BOULEVARD EL SEGUNDO CA 90245 0 1 0 0 EVP, Chief People Officer No securities beneficially owned 0 D Exhibit 24 - Power of Attorney /s/ Tiffani Magri, Attorney-in-Fact for Karen Ancira 2024-05-24 poaancira