Transaction Details

Footnotes

As reported on a Form 4 dated April 25, 2024 and filed on April 29, 2024, the Reporting Person received a grant of 60,910 Restricted Stock Units ("RSUs" or "Units") on April 25, 2024. The RSUs vest as to (a) 33% of the Units granted on the first anniversary of the date of grant, (b) an additional 33% of the Units granted on the second anniversary of the date of grant, and (c) the remaining 34% of the Units granted on the third anniversary of the date of grant. On each vesting date, for each Unit vesting on such date, the Reporting Person will receive one share of Mattel, Inc. Common Stock, subject to tax withholding. On April 25, 2025, the first 33% of these RSUs vested, resulting in the issuance of 20,100 shares of Mattel, Inc. Common Stock. | Pursuant to the terms of the April 25, 2024 RSU grant, 10,207 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding. | As of April 28, 2025, the Reporting Person had a balance of $300,238.42 in the Mattel Stock Fund of Mattel, Inc.'s 401(k) plan, the Personal Investment Plan ("PIP"). The number of shares has been calculated by the third-party administrator for the PIP.