MAT

SEC source: 0001523711-23-000079 · wf-form4_169101072500002.xml · nonDerivative · entry 1

DOLAN MICHAEL J · CIK 0001062126 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 176,190

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: As reported on a Form 4 dated July 31, 2020 and filed on August 4, 2020, the Reporting Person received a grant of 12,601 Restricted Stock Units ("RSUs") on July 31, 2020. The RSUs were fully vested on the grant date and are settled on the third anniversary of the grant date. On July 31, 2023, 100% of these RSUs were settled, resulting in the issuance of 12,601 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000078 · wf-form4_169101063796378.xml · derivative · entry 2

BRADLEY RICHARD TODD · CIK 0001203500 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 12,601 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As reported on a Form 4 dated July 31, 2020 and filed on August 4, 2020, the Reporting Person received a grant of 12,601 Restricted Stock Units ("RSUs") on July 31, 2020. The RSUs were fully vested on the grant date and are settled on the third anniversary of the grant date. On July 31, 2023, 100% of these RSUs were settled, resulting in the issuance of 12,601 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated July 31, 2020 and filed on August 4, 2020, the Reporting Person received a grant of 12,601 Restricted Stock Units ("RSUs") on July 31, 2020. The RSUs were fully vested on the grant date and are settled on the third anniversary of the grant date. On July 31, 2023, 100% of these RSUs were settled, resulting in the issuance of 12,601 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated July 31, 2020 and filed on August 4, 2020, the Reporting Person received a grant of 12,601 Restricted Stock Units ("RSUs") on July 31, 2020. The RSUs were fully vested on the grant date and are settled on the third anniversary of the grant date. On July 31, 2023, 100% of these RSUs were settled, resulting in the issuance of 12,601 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000078 · wf-form4_169101063796378.xml · nonDerivative · entry 1

BRADLEY RICHARD TODD · CIK 0001203500 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,330

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: As reported on a Form 4 dated July 31, 2020 and filed on August 4, 2020, the Reporting Person received a grant of 12,601 Restricted Stock Units ("RSUs") on July 31, 2020. The RSUs were fully vested on the grant date and are settled on the third anniversary of the grant date. On July 31, 2023, 100% of these RSUs were settled, resulting in the issuance of 12,601 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000066 · wf-form4_169023343412914.xml · derivative · entry 2

FERGUSON DIANA SUE · CIK 0001275975 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,418 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As reported on a Form 4 dated July 21, 2020 and filed on July 22, 2020, the Reporting Person received a grant of 11,418 Restricted Stock Units ("RSUs") on July 21, 2020. The RSUs were fully vested on the grant date and are settled on the third anniversary of the grant date. On July 21, 2023, 100% of these RSUs were settled, resulting in the issuance of 11,418 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated July 21, 2020 and filed on July 22, 2020, the Reporting Person received a grant of 11,418 Restricted Stock Units ("RSUs") on July 21, 2020. The RSUs were fully vested on the grant date and are settled on the third anniversary of the grant date. On July 21, 2023, 100% of these RSUs were settled, resulting in the issuance of 11,418 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated July 21, 2020 and filed on July 22, 2020, the Reporting Person received a grant of 11,418 Restricted Stock Units ("RSUs") on July 21, 2020. The RSUs were fully vested on the grant date and are settled on the third anniversary of the grant date. On July 21, 2023, 100% of these RSUs were settled, resulting in the issuance of 11,418 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000066 · wf-form4_169023343412914.xml · nonDerivative · entry 1

FERGUSON DIANA SUE · CIK 0001275975 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,418

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: As reported on a Form 4 dated July 21, 2020 and filed on July 22, 2020, the Reporting Person received a grant of 11,418 Restricted Stock Units ("RSUs") on July 21, 2020. The RSUs were fully vested on the grant date and are settled on the third anniversary of the grant date. On July 21, 2023, 100% of these RSUs were settled, resulting in the issuance of 11,418 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000064 · wf-form4_168859003753546.xml · derivative · entry 3

DISILVESTRO ANTHONY · CIK 0001285140 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18,460 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As reported on a Form 4 dated June 30, 2020 and filed on July 2, 2020, the Reporting Person received a grant of 54,292 Restricted Stock Units ("RSUs" or "Units") on June 30, 2020. The RSUs vested 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 received one share of Mattel, Inc. Common Stock, subject to tax withholding. On June 30, 2023, the final 34% of these RSUs vested, resulting in the issuance of 18,460 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated June 30, 2020 and filed on July 2, 2020, the Reporting Person received a grant of 54,292 Restricted Stock Units ("RSUs" or "Units") on June 30, 2020. The RSUs vested 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 received one share of Mattel, Inc. Common Stock, subject to tax withholding. On June 30, 2023, the final 34% of these RSUs vested, resulting in the issuance of 18,460 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated June 30, 2020 and filed on July 2, 2020, the Reporting Person received a grant of 54,292 Restricted Stock Units ("RSUs" or "Units") on June 30, 2020. The RSUs vested 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 received one share of Mattel, Inc. Common Stock, subject to tax withholding. On June 30, 2023, the final 34% of these RSUs vested, resulting in the issuance of 18,460 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000064 · wf-form4_168859003753546.xml · nonDerivative · entry 2

DISILVESTRO ANTHONY · CIK 0001285140 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 126,795

F2 · shares: Pursuant to the terms of the June 30, 2020 RSU grant, 8,053 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-23-000064 · wf-form4_168859003753546.xml · nonDerivative · entry 1

DISILVESTRO ANTHONY · CIK 0001285140 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 134,848

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: As reported on a Form 4 dated June 30, 2020 and filed on July 2, 2020, the Reporting Person received a grant of 54,292 Restricted Stock Units ("RSUs" or "Units") on June 30, 2020. The RSUs vested 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 received one share of Mattel, Inc. Common Stock, subject to tax withholding. On June 30, 2023, the final 34% of these RSUs vested, resulting in the issuance of 18,460 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000062 · wf-form4_168437160000723.xml · derivative · entry 1

Hertz Noreena · CIK 0001807354 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,594

Underlying: Common Stock · 8,594 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs") were granted on May 15, 2023, pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. Each RSU represents a contingent right to receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share on the settlement date). The RSUs are accompanied by dividend equivalent rights.

F2 · derivative.exercise_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

F2 · derivative.expiration_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

SEC source: 0001523711-23-000061 · wf-form4_168437154504966.xml · derivative · entry 1

Cisneros Adriana · CIK 0001749229 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,594

Underlying: Common Stock · 8,594 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs") were granted on May 15, 2023, pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. Each RSU represents a contingent right to receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share on the settlement date). The RSUs are accompanied by dividend equivalent rights.

F2 · derivative.exercise_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

F2 · derivative.expiration_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

SEC source: 0001523711-23-000060 · wf-form4_168437146943355.xml · derivative · entry 1

Lewnes Ann · CIK 0001597445 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,594

Underlying: Common Stock · 8,594 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs") were granted on May 15, 2023, pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. Each RSU represents a contingent right to receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share on the settlement date). The RSUs are accompanied by dividend equivalent rights.

F2 · derivative.exercise_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

F2 · derivative.expiration_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

SEC source: 0001523711-23-000059 · wf-form4_168437128333995.xml · derivative · entry 1

BRADLEY RICHARD TODD · CIK 0001203500 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,594

Underlying: Common Stock · 8,594 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs") were granted on May 15, 2023, pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. Each RSU represents a contingent right to receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share on the settlement date). The RSUs are accompanied by dividend equivalent rights.

F2 · derivative.exercise_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

F2 · derivative.expiration_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

SEC source: 0001523711-23-000058 · wf-form4_168437123565750.xml · derivative · entry 1

Olian Judy D. · CIK 0001605729 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,594

Underlying: Common Stock · 8,594 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs") were granted on May 15, 2023, pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. Each RSU represents a contingent right to receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share on the settlement date). The RSUs are accompanied by dividend equivalent rights.

F2 · derivative.exercise_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

F2 · derivative.expiration_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

SEC source: 0001523711-23-000057 · wf-form4_168437115766708.xml · derivative · entry 1

Lynch Roger · CIK 0001476295 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,594

Underlying: Common Stock · 8,594 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs") were granted on May 15, 2023, pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. Each RSU represents a contingent right to receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share on the settlement date). The RSUs are accompanied by dividend equivalent rights.

F2 · derivative.exercise_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

F2 · derivative.expiration_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

SEC source: 0001523711-23-000056 · wf-form4_168437110226694.xml · derivative · entry 2

NG DOMINIC · CIK 0001201236 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,427

Underlying: Common Stock · 6,771 shares

Expires not disclosed

F3 · derivative.exercise_price: Distributions from the Reporting Person's phantom stock account will be in the form of shares of Mattel, Inc. Common Stock equal in value to the value of the phantom stock account.

F4 · derivative.exercise_date: The phantom stock units will be settled in shares of Mattel, Inc. Common Stock following the Reporting Person's separation from service with Mattel, Inc.

F4 · derivative.expiration_date: The phantom stock units will be settled in shares of Mattel, Inc. Common Stock following the Reporting Person's separation from service with Mattel, Inc.

SEC source: 0001523711-23-000056 · wf-form4_168437110226694.xml · derivative · entry 1

NG DOMINIC · CIK 0001201236 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,594

Underlying: Common Stock · 8,594 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs") were granted on May 15, 2023, pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. Each RSU represents a contingent right to receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share on the settlement date). The RSUs are accompanied by dividend equivalent rights.

F2 · derivative.exercise_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

F2 · derivative.expiration_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

SEC source: 0001523711-23-000055 · wf-form4_168437104147990.xml · derivative · entry 1

FERGUSON DIANA SUE · CIK 0001275975 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,594

Underlying: Common Stock · 8,594 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs") were granted on May 15, 2023, pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. Each RSU represents a contingent right to receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share on the settlement date). The RSUs are accompanied by dividend equivalent rights.

F2 · derivative.exercise_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

F2 · derivative.expiration_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

SEC source: 0001523711-23-000054 · wf-form4_168437098679975.xml · derivative · entry 1

Laursen Soren T · CIK 0001740353 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,594

Underlying: Common Stock · 8,594 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs") were granted on May 15, 2023, pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. Each RSU represents a contingent right to receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share on the settlement date). The RSUs are accompanied by dividend equivalent rights.

F2 · derivative.exercise_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

F2 · derivative.expiration_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

SEC source: 0001523711-23-000053 · wf-form4_168437092793305.xml · derivative · entry 1

DOLAN MICHAEL J · CIK 0001062126 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,594

Underlying: Common Stock · 8,594 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs") were granted on May 15, 2023, pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. Each RSU represents a contingent right to receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share on the settlement date). The RSUs are accompanied by dividend equivalent rights.

F2 · derivative.exercise_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

F2 · derivative.expiration_date: The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

SEC source: 0001523711-23-000042 · wf-form4_168307700368894.xml · derivative · entry 6

Dickson Richard · CIK 0001482551 · Pres & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,877

Underlying: Common Stock · 84,877 shares

Expires 2033-04-28

F6 · derivative.exercise_date: The option was granted on April 28, 2023 pursuant to the Plan. The option vests and becomes exercisable with regard to (a) 33% of the shares granted on the first anniversary of the date of grant, (b) an additional 33% of the shares granted on the second anniversary of the date of grant, and (c) the remaining 34% of the shares granted on the third anniversary of the date of grant.

SEC source: 0001523711-23-000042 · wf-form4_168307700368894.xml · derivative · entry 5

Dickson Richard · CIK 0001482551 · Pres & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 126,042

Underlying: Common Stock · 126,042 shares

Expires not disclosed

F4 · derivative.exercise_price: The RSUs were granted on April 28, 2023 pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended (the "Plan"). Each Unit represents a contingent right to receive one share of Mattel, Inc. Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share).

F5 · derivative.exercise_date: 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 (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.

F5 · derivative.expiration_date: 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 (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.

SEC source: 0001523711-23-000042 · wf-form4_168307700368894.xml · derivative · entry 4

Dickson Richard · CIK 0001482551 · Pres & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,509

Underlying: Common Stock · 22,907 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 69,416 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 22,907 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 69,416 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 22,907 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 69,416 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 22,907 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000042 · wf-form4_168307700368894.xml · nonDerivative · entry 2

Dickson Richard · CIK 0001482551 · Pres & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 648,019

F2 · shares: Pursuant to the terms of the April 29, 2022 RSU grant, 11,390 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-23-000042 · wf-form4_168307700368894.xml · nonDerivative · entry 1

Dickson Richard · CIK 0001482551 · Pres & Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 659,409

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 69,416 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 22,907 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000040 · wf-form4_168307483315674.xml · derivative · entry 4

Anschell Jonathan · CIK 0001661969 · EVP Chief Legal Officer & Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,722

Underlying: Common Stock · 39,722 shares

Expires not disclosed

F3 · derivative.exercise_price: The RSUs were granted on April 28, 2023 pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended (the "Plan"). Each Unit represents a contingent right to receive one share of Mattel, Inc. Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share).

F4 · derivative.exercise_date: 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 (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.

F4 · derivative.expiration_date: 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 (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.

SEC source: 0001523711-23-000040 · wf-form4_168307483315674.xml · derivative · entry 3

Anschell Jonathan · CIK 0001661969 · EVP Chief Legal Officer & Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,436

Underlying: Common Stock · 6,617 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 20,053 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 6,617 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 20,053 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 6,617 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 20,053 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 6,617 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000040 · wf-form4_168307483315674.xml · nonDerivative · entry 2

Anschell Jonathan · CIK 0001661969 · EVP Chief Legal Officer & Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,499

F2 · shares: Pursuant to the terms of the April 29, 2022 RSU grant, 2,289 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-23-000040 · wf-form4_168307483315674.xml · nonDerivative · entry 1

Anschell Jonathan · CIK 0001661969 · EVP Chief Legal Officer & Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,788

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 20,053 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 6,617 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000039 · wf-form4_168307474278141.xml · derivative · entry 4

Isaias Zanatta Roberto Jacobo · CIK 0001767603 · EVP & Chief Supply Chain Offr

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,778

Underlying: Common Stock · 42,778 shares

Expires not disclosed

F3 · derivative.exercise_price: The RSUs were granted on April 28, 2023 pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended (the "Plan"). Each Unit represents a contingent right to receive one share of Mattel, Inc. Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share).

F4 · derivative.exercise_date: 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 (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.

F4 · derivative.expiration_date: 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 (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.

SEC source: 0001523711-23-000039 · wf-form4_168307474278141.xml · derivative · entry 3

Isaias Zanatta Roberto Jacobo · CIK 0001767603 · EVP & Chief Supply Chain Offr

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,403

Underlying: Common Stock · 6,108 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 18,511 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 6,108 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 18,511 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 6,108 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 18,511 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 6,108 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000039 · wf-form4_168307474278141.xml · nonDerivative · entry 2

Isaias Zanatta Roberto Jacobo · CIK 0001767603 · EVP & Chief Supply Chain Offr

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119,048

F2 · shares: Pursuant to the terms of the April 29, 2022 RSU grant, 3,029 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-23-000039 · wf-form4_168307474278141.xml · nonDerivative · entry 1

Isaias Zanatta Roberto Jacobo · CIK 0001767603 · EVP & Chief Supply Chain Offr

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 122,077

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 18,511 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 6,108 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000038 · wf-form4_168307467263485.xml · derivative · entry 5

DISILVESTRO ANTHONY · CIK 0001285140 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,580

Underlying: Common Stock · 38,580 shares

Expires 2033-04-28

F5 · derivative.exercise_date: The option was granted on April 28, 2023 pursuant to the Plan. The option vests and becomes exercisable with regard to (a) 33% of the shares granted on the first anniversary of the date of grant, (b) an additional 33% of the shares granted on the second anniversary of the date of grant, and (c) the remaining 34% of the shares granted on the third anniversary of the date of grant.

SEC source: 0001523711-23-000038 · wf-form4_168307467263485.xml · derivative · entry 4

DISILVESTRO ANTHONY · CIK 0001285140 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,292

Underlying: Common Stock · 57,292 shares

Expires not disclosed

F3 · derivative.exercise_price: The RSUs were granted on April 28, 2023 pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended (the "Plan"). Each Unit represents a contingent right to receive one share of Mattel, Inc. Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share).

F4 · derivative.exercise_date: 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 (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.

F4 · derivative.expiration_date: 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 (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.

SEC source: 0001523711-23-000038 · wf-form4_168307467263485.xml · derivative · entry 3

DISILVESTRO ANTHONY · CIK 0001285140 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,838

Underlying: Common Stock · 12,726 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 38,564 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 12,726 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 38,564 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 12,726 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 38,564 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 12,726 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000038 · wf-form4_168307467263485.xml · nonDerivative · entry 2

DISILVESTRO ANTHONY · CIK 0001285140 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,388

F2 · shares: Pursuant to the terms of the April 29, 2022 RSU grant, 5,539 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-23-000038 · wf-form4_168307467263485.xml · nonDerivative · entry 1

DISILVESTRO ANTHONY · CIK 0001285140 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,927

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 38,564 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 12,726 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000037 · wf-form4_168307459696476.xml · derivative · entry 1

Kreiz Ynon · CIK 0001708842 · Director · Chairman & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 320,216

Underlying: Common Stock · 320,216 shares

Expires 2033-04-28

F1 · derivative.exercise_date: The option was granted on April 28, 2023 pursuant to the Plan. The option vests and becomes exercisable with regard to (a) 33% of the shares granted on the first anniversary of the date of grant, (b) an additional 33% of the shares granted on the second anniversary of the date of grant, and (c) the remaining 34% of the shares granted on the third anniversary of the date of grant.

SEC source: 0001523711-23-000036 · wf-form4_168307454216570.xml · derivative · entry 5

TOTZKE STEVE · CIK 0001666142 · President, Chief Comm Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,864

Underlying: Common Stock · 30,864 shares

Expires 2033-04-28

F5 · derivative.exercise_date: The option was granted on April 28, 2023 pursuant to the Plan. The option vests and becomes exercisable with regard to (a) 33% of the shares granted on the first anniversary of the date of grant, (b) an additional 33% of the shares granted on the second anniversary of the date of grant, and (c) the remaining 34% of the shares granted on the third anniversary of the date of grant.

SEC source: 0001523711-23-000036 · wf-form4_168307454216570.xml · derivative · entry 4

TOTZKE STEVE · CIK 0001666142 · President, Chief Comm Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,833

Underlying: Common Stock · 45,833 shares

Expires not disclosed

F3 · derivative.exercise_price: The RSUs were granted on April 28, 2023 pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended (the "Plan"). Each Unit represents a contingent right to receive one share of Mattel, Inc. Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share).

F4 · derivative.exercise_date: 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 (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.

F4 · derivative.expiration_date: 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 (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.

SEC source: 0001523711-23-000036 · wf-form4_168307454216570.xml · derivative · entry 3

TOTZKE STEVE · CIK 0001666142 · President, Chief Comm Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,671

Underlying: Common Stock · 10,181 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 30,852 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 10,181 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 30,852 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 10,181 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 30,852 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 10,181 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000036 · wf-form4_168307454216570.xml · nonDerivative · entry 2

TOTZKE STEVE · CIK 0001666142 · President, Chief Comm Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 172,470

F2 · shares: Pursuant to the terms of the April 29, 2022 RSU grant, 5,048 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-23-000036 · wf-form4_168307454216570.xml · nonDerivative · entry 1

TOTZKE STEVE · CIK 0001666142 · President, Chief Comm Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 177,518

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 30,852 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 10,181 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000035 · wf-form4_168307448289708.xml · derivative · entry 5

Hugh Yoon J. · CIK 0001474865 · SVP & Corporate Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,620

Underlying: Common Stock · 1,620 shares

Expires not disclosed

F3 · derivative.exercise_price: The RSUs were granted on April 28, 2023 pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended (the "Plan"). Each Unit represents a contingent right to receive one share of Mattel, Inc. Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share).

F5 · derivative.exercise_date: The RSUs vest as to 100% of the Units granted on the second anniversary of the date of grant. For each Unit vesting on such date, the Reporting Person will receive one share of Mattel, Inc. Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.

F5 · derivative.expiration_date: The RSUs vest as to 100% of the Units granted on the second anniversary of the date of grant. For each Unit vesting on such date, the Reporting Person will receive one share of Mattel, Inc. Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.

SEC source: 0001523711-23-000035 · wf-form4_168307448289708.xml · derivative · entry 4

Hugh Yoon J. · CIK 0001474865 · SVP & Corporate Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,963

Underlying: Common Stock · 12,963 shares

Expires not disclosed

F3 · derivative.exercise_price: The RSUs were granted on April 28, 2023 pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended (the "Plan"). Each Unit represents a contingent right to receive one share of Mattel, Inc. Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share).

F4 · derivative.exercise_date: 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 (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.

F4 · derivative.expiration_date: 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 (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.

SEC source: 0001523711-23-000035 · wf-form4_168307448289708.xml · derivative · entry 3

Hugh Yoon J. · CIK 0001474865 · SVP & Corporate Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,824

Underlying: Common Stock · 2,375 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 7,199 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 2,375 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 7,199 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 2,375 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 7,199 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 2,375 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000035 · wf-form4_168307448289708.xml · nonDerivative · entry 2

Hugh Yoon J. · CIK 0001474865 · SVP & Corporate Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,586

F2 · shares: Pursuant to the terms of the April 29, 2022 RSU grant, 822 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-23-000035 · wf-form4_168307448289708.xml · nonDerivative · entry 1

Hugh Yoon J. · CIK 0001474865 · SVP & Corporate Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,408

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 7,199 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 2,375 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-23-000034 · wf-form4_168307442537145.xml · derivative · entry 4

Thompson Amanda J · CIK 0001718049 · EVP & Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,083

Underlying: Common Stock · 32,083 shares

Expires not disclosed

F3 · derivative.exercise_price: The RSUs were granted on April 28, 2023 pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended (the "Plan"). Each Unit represents a contingent right to receive one share of Mattel, Inc. Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share).

F4 · derivative.exercise_date: 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 (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.

F4 · derivative.expiration_date: 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 (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the date of vesting), subject to tax withholding.

SEC source: 0001523711-23-000034 · wf-form4_168307442537145.xml · derivative · entry 3

Thompson Amanda J · CIK 0001718049 · EVP & Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,852

Underlying: Common Stock · 5,345 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 16,197 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 5,345 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 16,197 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 5,345 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated April 29, 2022 and filed on May 3, 2022, the Reporting Person received a grant of 16,197 Restricted Stock Units ("RSUs" or "Units") on April 29, 2022. 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 28, 2023, the first 33% of these RSUs vested, resulting in the issuance of 5,345 shares of Mattel, Inc. Common Stock.