MATTEL INC /DE/

Principal Executive Officer and Principal Financial Officer Certifications

Appearing as exhibits to this report are certifications of Mattel's principal executive officer and Mattel's principal financial officer. The certifications are required to be made by Rule 13a-14 or Rule 15d-14 under the Securities Exchange Act of 1934 (the "Exchange Act"). This item contains the information about the evaluation that is referred to in the certifications, and the information set forth below in this Item 9A should be read in conjunction with the certifications for a more complete understanding of the certifications.

Evaluation of Disclosure Controls and Procedures

As of December 31, 2025, Mattel's disclosure controls and procedures were evaluated, with the participation of Mattel's principal executive officer and principal financial officer, to assess whether they are effective in providing reasonable assurance that information required to be disclosed by Mattel in the reports that it files or submits under the Exchange Act is accumulated and communicated to management, including its principal executive officer and principal financial officer, as appropriate, to allow timely decisions regarding required disclosure and to provide reasonable assurance that such information is recorded, processed, summarized, and reported within the time periods specified in the SEC's rules and forms. Based on this evaluation, Ynon Kreiz, Mattel's principal executive officer, and Paul Ruh, Mattel's principal financial officer, concluded that these disclosure controls and procedures were effective to provide reasonable assurance as of December 31, 2025.

Management's Report on Internal Control Over Financial Reporting

The report called for by Item 308(a) of Regulation S-K is incorporated by reference to Management's Report on Internal Control Over Financial Reporting, included in Item 8 "Financial Statements and Supplementary Data" of this report.

Remediation of a Previously Identified Material Weakness

Management has concluded that the material weakness in internal control over financial reporting described in Part II, Item 8 and Item 9A of Mattel's Annual Report on Form 10-K for the fiscal year ended December 31, 2024 has been remediated as of December 31, 2025. Management completed its testing of the user access and provisioning review controls designed and implemented to remediate the material weakness, and concluded they are operating effectively.

Report of Independent Registered Public Accounting Firm

The report called for by Item 308(b) of Regulation S-K is incorporated by reference to Report of Independent Registered Public Accounting Firm, included in Item 8 "Financial Statements and Supplementary Data" of this report.

Changes in Internal Control Over Financial Reporting

Other than the testing of the user access and provisioning review controls described above, there were no changes in internal control over financial reporting that occurred during the quarter ended December 31, 2025 that have materially affected, or are reasonably likely to materially affect, Mattel's internal control over financial reporting.