EL SEGUNDO, Calif.— May 7, 2026 — Mattel, Inc. (NASDAQ: MAT) (“Mattel” or the “Company”) issued the following statement regarding Southeastern Asset Management, Inc.’s (“Southeastern”) letter to the Company’s Board of Directors (the “Board”).

Mattel maintains ongoing communication with its shareholders and values their perspectives. We appreciate Southeastern’s continued engagement with the Company, including our conversations this year.

Our Board of Directors and management team are committed to acting in the best interests of all Mattel shareholders. The Board regularly reviews the Company’s strategy, performance, and opportunities to enhance long-term value, and will continue to consider the views expressed in Southeastern’s letter.

Mattel is focused on executing its strategy to grow the Company’s IP-driven play and family entertainment business and create long-term shareholder value.

About Mattel
Mattel is a leading global play and family entertainment company and owner of one of the most iconic brand portfolios in the world. We engage consumers and fans through our franchise brands, including Barbie®, Hot Wheels®, Fisher-Price®, American Girl®, Thomas & Friends™, UNO®, Masters of the Universe®, Matchbox®, Monster High®, Polly Pocket®, as well as other popular properties that we own or license in partnership with global entertainment companies. Our offerings include toys, content, consumer products, digital and live experiences. Our products are sold in collaboration with the world’s leading retail and ecommerce companies. Since its founding in 1945, Mattel is proud to be a trusted partner in empowering generations to explore the wonder of childhood and reach their full potential. Visit us at mattel.com.

Forward-Looking Statements
This press release contains a number of forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements can be identified by the fact that they do not relate strictly to historical or current facts or by their nature are uncertain, and include statements regarding Mattel’s guidance and goals for future periods and other future events. The use of words such as “anticipates,” “expects,” “intends,” “plans,” “projects,” “looks forward,” “confident that,” “believes,” and “targeted,” among others, generally identify forward-looking statements. These forward-looking statements are based on currently available operating, financial, economic, and other information and assumptions, and are subject to a number of significant risks and uncertainties. A variety of factors or combination of factors, many of which are beyond Mattel’s control, may cause actual results or outcomes, or the timing of those results or outcomes, to differ materially from those contained in any forward-looking statements. Specific factors that might cause such a difference are described in Mattel’s filings with the Securities and Exchange Commission, including the “Risk Factors” section of Mattel’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025, and subsequent periodic filings, as well as in Mattel’s other public statements. Mattel does not update forward-looking statements and expressly disclaims any obligation to do so, except as required by law.

MAT-FIN

Contacts

Securities Analysts
Jenn Kettnich
jenn.kettnich@mattel.com

News Media
Catherine Frymark
catherine.frymark@mattel.com