Hugh Yoon J.

SEC source: 0001523711-23-000087 · wf-form4_169101121608964.xml · nonDerivative · entry 7

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,300

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.

SEC source: 0001523711-23-000087 · wf-form4_169101121608964.xml · nonDerivative · entry 6

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,964

F4 · price: This transaction was executed in multiple trades at prices ranging from $21.460 to $21.465. The price reported reflects the weighted average purchase price, rounded to the nearest tenth of a cent. The Reporting Person hereby undertakes to provide to the SEC staff, the issuer or a security holder of the issuer, upon request, full information regarding the number of shares and prices at which the transactions were effected.

SEC source: 0001523711-23-000087 · wf-form4_169101121608964.xml · nonDerivative · entry 5

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,749

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.

SEC source: 0001523711-23-000087 · wf-form4_169101121608964.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,964

F3 · price: This transaction was executed in multiple trades at prices ranging from $21.360 to $21.400. The price reported reflects the weighted average purchase price, rounded to the nearest tenth of a cent. The Reporting Person hereby undertakes to provide to the SEC staff, the issuer or a security holder of the issuer, upon request, full information regarding the number of shares and prices at which the transactions were effected.

SEC source: 0001523711-23-000087 · wf-form4_169101121608964.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,520

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.

SEC source: 0001523711-23-000087 · wf-form4_169101121608964.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,964

F2 · shares: Pursuant to the terms of the July 31, 2020 RSU grant, 1,787 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-23-000087 · wf-form4_169101121608964.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,751

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 15,189 Restricted Stock Units ("RSUs" or "Units") on July 31, 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 July 31, 2023, the remaining 34% of these RSUs vested, resulting in the issuance of 5,165 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: 0001523711-23-000017 · wf-form4_167599113158743.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,033

F1 · shares: Represents shares of Mattel, Inc. Common Stock that were automatically withheld to cover required tax withholding.

SEC source: 0001523711-23-000017 · wf-form4_167599113158743.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,871

SEC source: 0001127602-22-020446 · form4.xml · derivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,734

Underlying: Common Stock · 2,824 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.

F3 · derivative.exercise_price: As reported on a Form 4 dated July 31, 2021 and filed on August 3, 2021, the Reporting Person received a grant of 8,558 RSUs on August 2, 2021. 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 August 2, 2022, the first 33% of these RSUs vested, resulting in the issuance of 2,824 shares of Mattel, Inc. Common Stock.

F3 · derivative.exercise_date: As reported on a Form 4 dated July 31, 2021 and filed on August 3, 2021, the Reporting Person received a grant of 8,558 RSUs on August 2, 2021. 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 August 2, 2022, the first 33% of these RSUs vested, resulting in the issuance of 2,824 shares of Mattel, Inc. Common Stock.

F3 · derivative.expiration_date: As reported on a Form 4 dated July 31, 2021 and filed on August 3, 2021, the Reporting Person received a grant of 8,558 RSUs on August 2, 2021. 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 August 2, 2022, the first 33% of these RSUs vested, resulting in the issuance of 2,824 shares of Mattel, Inc. Common Stock.

SEC source: 0001127602-22-020446 · form4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,795

F4 · shares: Pursuant to the terms of the August 2, 2021 RSU grant, 977 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001127602-22-020446 · form4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,772

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.

F3 · price: As reported on a Form 4 dated July 31, 2021 and filed on August 3, 2021, the Reporting Person received a grant of 8,558 RSUs on August 2, 2021. 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 August 2, 2022, the first 33% of these RSUs vested, resulting in the issuance of 2,824 shares of Mattel, Inc. Common Stock.

SEC source: 0001127602-22-020446 · form4.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,753 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 August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 11,038 Restricted Stock Units ("RSUs" or "Units") on August 1, 2019. 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 August 1, 2022, the final 34% of these RSUs vested, resulting in the issuance of 3,753 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 11,038 Restricted Stock Units ("RSUs" or "Units") on August 1, 2019. 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 August 1, 2022, the final 34% of these RSUs vested, resulting in the issuance of 3,753 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 11,038 Restricted Stock Units ("RSUs" or "Units") on August 1, 2019. 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 August 1, 2022, the final 34% of these RSUs vested, resulting in the issuance of 3,753 shares of Mattel, Inc. Common Stock.

SEC source: 0001127602-22-020446 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,948

F2 · shares: Pursuant to the terms of the August 1, 2019 RSU grant, 1,298 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001127602-22-020446 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,246

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 August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 11,038 Restricted Stock Units ("RSUs" or "Units") on August 1, 2019. 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 August 1, 2022, the final 34% of these RSUs vested, resulting in the issuance of 3,753 shares of Mattel, Inc. Common Stock.

SEC source: 0001127602-22-020292 · form4.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,165

Underlying: Common Stock · 5,012 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: Placeholder

F1 · derivative.exercise_date: Placeholder

F1 · derivative.expiration_date: Placeholder

SEC source: 0001127602-22-020292 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,493

F2 · shares: Pursuant to the terms of the July 31, 2020 RSU grant, 1,734 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001127602-22-020292 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,493

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: Placeholder

SEC source: 0001523711-22-000029 · wf-form4_165162205689979.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,093 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 30, 2019 and filed on May 2, 2019, the Reporting Person received a grant of 6,153 Restricted Stock Units ("RSUs" or "Units") on April 30, 2019. 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 April 30, 2022, the final 34% of these RSUs vested, resulting in the issuance of 2,093 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated April 30, 2019 and filed on May 2, 2019, the Reporting Person received a grant of 6,153 Restricted Stock Units ("RSUs" or "Units") on April 30, 2019. 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 April 30, 2022, the final 34% of these RSUs vested, resulting in the issuance of 2,093 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated April 30, 2019 and filed on May 2, 2019, the Reporting Person received a grant of 6,153 Restricted Stock Units ("RSUs" or "Units") on April 30, 2019. 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 April 30, 2022, the final 34% of these RSUs vested, resulting in the issuance of 2,093 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-22-000029 · wf-form4_165162205689979.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,215

F2 · shares: Pursuant to the terms of the April 30, 2019 RSU grant, 724 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-22-000029 · wf-form4_165162205689979.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,939

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 30, 2019 and filed on May 2, 2019, the Reporting Person received a grant of 6,153 Restricted Stock Units ("RSUs" or "Units") on April 30, 2019. 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 April 30, 2022, the final 34% of these RSUs vested, resulting in the issuance of 2,093 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-22-000029 · wf-form4_165162205689979.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,055

Underlying: Common Stock · 5,055 shares

Expires 2032-04-29

F5 · derivative.exercise_date: The option was granted on April 29, 2022 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: 0001523711-22-000029 · wf-form4_165162205689979.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,199

Underlying: Common Stock · 7,199 shares

Expires not disclosed

F3 · derivative.exercise_price: The RSUs were granted on April 29, 2022 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: 0001523711-22-000008 · wf-form4_164445279044587.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,846

F1 · shares: Represents shares of Mattel, Inc. Common Stock that were automatically withheld to cover required tax withholding.

SEC source: 0001523711-22-000008 · wf-form4_164445279044587.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,116

SEC source: 0001523711-21-000060 · wf-form4_162804046921173.xml · derivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,985

Underlying: Common Stock · 6,649 shares

Expires 2031-08-02

F7 · derivative.exercise_date: The option was granted on August 2, 2021 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: 0001523711-21-000060 · wf-form4_162804046921173.xml · derivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,735

Underlying: Common Stock · 8,558 shares

Expires not disclosed

F5 · derivative.exercise_price: The RSUs were granted on August 2, 2021 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).

F6 · 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.

F6 · 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: 0001523711-21-000060 · wf-form4_162804046921173.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,753

Underlying: Common Stock · 3,643 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 August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 11,038 Restricted Stock Units ("RSUs" or "Units") on August 1, 2019. 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 August 1, 2021, the second 33% of these RSUs vested, resulting in the issuance of 3,643 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 11,038 Restricted Stock Units ("RSUs" or "Units") on August 1, 2019. 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 August 1, 2021, the second 33% of these RSUs vested, resulting in the issuance of 3,643 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 11,038 Restricted Stock Units ("RSUs" or "Units") on August 1, 2019. 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 August 1, 2021, the second 33% of these RSUs vested, resulting in the issuance of 3,643 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000060 · wf-form4_162804046921173.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,421

F2 · shares: Pursuant to the terms of the August 1, 2019 RSU grant, 1,260 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-21-000060 · wf-form4_162804046921173.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,681

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 August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 11,038 Restricted Stock Units ("RSUs" or "Units") on August 1, 2019. 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 August 1, 2021, the second 33% of these RSUs vested, resulting in the issuance of 3,643 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000060 · wf-form4_162804046921173.xml · derivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,177

Underlying: Common Stock · 5,012 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.

F3 · 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 15,189 RSUs on July 31, 2020. 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 July 31, 2021, the first 33% of these RSUs vested, resulting in the issuance of 5,012 shares of Mattel, Inc. Common Stock.

F3 · 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 15,189 RSUs on July 31, 2020. 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 July 31, 2021, the first 33% of these RSUs vested, resulting in the issuance of 5,012 shares of Mattel, Inc. Common Stock.

F3 · 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 15,189 RSUs on July 31, 2020. 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 July 31, 2021, the first 33% of these RSUs vested, resulting in the issuance of 5,012 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000060 · wf-form4_162804046921173.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,699

F4 · shares: Pursuant to the terms of the July 31, 2020 RSU grant, 1,734 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-21-000060 · wf-form4_162804046921173.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,433

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.

F3 · price: As reported on a Form 4 dated July 31, 2020 and filed on August 4, 2020, the Reporting Person received a grant of 15,189 RSUs on July 31, 2020. 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 July 31, 2021, the first 33% of these RSUs vested, resulting in the issuance of 5,012 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000018 · wf-form4_162016415563264.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,093

Underlying: Common Stock · 2,030 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 30, 2019 and filed on May 2, 2019, the Reporting Person received a grant of 6,153 Restricted Stock Units ("RSUs" or "Units") on April 30, 2019. 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 30, 2021, the second 33% of these RSUs vested, resulting in the issuance of 2,030 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated April 30, 2019 and filed on May 2, 2019, the Reporting Person received a grant of 6,153 Restricted Stock Units ("RSUs" or "Units") on April 30, 2019. 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 30, 2021, the second 33% of these RSUs vested, resulting in the issuance of 2,030 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated April 30, 2019 and filed on May 2, 2019, the Reporting Person received a grant of 6,153 Restricted Stock Units ("RSUs" or "Units") on April 30, 2019. 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 30, 2021, the second 33% of these RSUs vested, resulting in the issuance of 2,030 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000018 · wf-form4_162016415563264.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,038

F2 · shares: Pursuant to the terms of the April 30, 2019 RSU grant, 702 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-21-000018 · wf-form4_162016415563264.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,740

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 30, 2019 and filed on May 2, 2019, the Reporting Person received a grant of 6,153 Restricted Stock Units ("RSUs" or "Units") on April 30, 2019. 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 30, 2021, the second 33% of these RSUs vested, resulting in the issuance of 2,030 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000051 · wf-form4_159658154997119.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,396

Underlying: Common Stock · 3,642 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 August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 11,038 Restricted Stock Units ("RSUs" or "Units") on August 1, 2019. 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 August 1, 2020, the first 33% of these RSUs vested, resulting in the issuance of 3,642 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 11,038 Restricted Stock Units ("RSUs" or "Units") on August 1, 2019. 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 August 1, 2020, the first 33% of these RSUs vested, resulting in the issuance of 3,642 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 11,038 Restricted Stock Units ("RSUs" or "Units") on August 1, 2019. 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 August 1, 2020, the first 33% of these RSUs vested, resulting in the issuance of 3,642 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000051 · wf-form4_159658154997119.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,710

F2 · shares: Pursuant to the terms of the August 1, 2019 RSU grant, 1,260 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-20-000051 · wf-form4_159658154997119.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,970

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 August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 11,038 Restricted Stock Units ("RSUs" or "Units") on August 1, 2019. 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 August 1, 2020, the first 33% of these RSUs vested, resulting in the issuance of 3,642 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000051 · wf-form4_159658154997119.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,336

Underlying: Common Stock · 12,336 shares

Expires 2030-07-31

F5 · derivative.exercise_date: The option was granted on July 31, 2020 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: 0001523711-20-000051 · wf-form4_159658154997119.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,189

Underlying: Common Stock · 15,189 shares

Expires not disclosed

F3 · derivative.exercise_price: The RSUs were granted on July 31, 2020 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: 0001523711-20-000014 · wf-form4_158836499127107.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,123

Underlying: Common Stock · 2,030 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 30, 2019 and filed on May 2, 2019, the Reporting Person received a grant of 6,153 Restricted Stock Units ("RSUs" or "Units") on April 30, 2019. 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 30, 2020, the first 33% of these RSUs vested, resulting in the issuance of 2,030 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated April 30, 2019 and filed on May 2, 2019, the Reporting Person received a grant of 6,153 Restricted Stock Units ("RSUs" or "Units") on April 30, 2019. 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 30, 2020, the first 33% of these RSUs vested, resulting in the issuance of 2,030 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated April 30, 2019 and filed on May 2, 2019, the Reporting Person received a grant of 6,153 Restricted Stock Units ("RSUs" or "Units") on April 30, 2019. 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 30, 2020, the first 33% of these RSUs vested, resulting in the issuance of 2,030 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000014 · wf-form4_158836499127107.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,328

F2 · shares: Pursuant to the terms of the April 30, 2019 RSU grant, 702 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-20-000014 · wf-form4_158836499127107.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,030

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 30, 2019 and filed on May 2, 2019, the Reporting Person received a grant of 6,153 Restricted Stock Units ("RSUs" or "Units") on April 30, 2019. 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 30, 2020, the first 33% of these RSUs vested, resulting in the issuance of 2,030 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-19-000054 · wf-form4_156503480946314.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,785

Underlying: Common Stock · 9,785 shares

Expires 2029-08-01

F3 · derivative.exercise_date: The option was granted on August 1, 2019 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.