MAT

SEC source: 0001523711-20-000061 · wf-form4_160157964938663.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,331

F4 · shares: Pursuant to the terms of the September 29, 2017 RSU grant, 2,659 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-20-000061 · wf-form4_160157964938663.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,990

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 3 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 22,610 RSUs on September 29, 2017. 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 September 29, 2020, the final 34% of these RSUs vested, resulting in the issuance of 7,688 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000061 · wf-form4_160157964938663.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,302

F2 · shares: Pursuant to the terms of the September 29, 2017 RSU grant, 5,378 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-20-000061 · wf-form4_160157964938663.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,680

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 3 dated September 29, 2017 and filed on October 3, 2017, the Reporting Person received a grant of 38,760 Restricted Stock Units ("RSUs" or "Units") on September 29, 2017. 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 September 29, 2020, the final 34% of these RSUs vested, resulting in the issuance of 13,179 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000059 · wf-form4_159727393211363.xml · derivative · entry 7

EUTENEUER JOSEPH J · CIK 0001268615 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 166 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.

F5 · derivative.exercise_price: Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on August 1, 2021 and August 1, 2022, but which became vested in connection with the reporting person's termination of employment on August 10, 2020.

F5 · derivative.exercise_date: Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on August 1, 2021 and August 1, 2022, but which became vested in connection with the reporting person's termination of employment on August 10, 2020.

F5 · derivative.expiration_date: Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on August 1, 2021 and August 1, 2022, but which became vested in connection with the reporting person's termination of employment on August 10, 2020.

SEC source: 0001523711-20-000059 · wf-form4_159727393211363.xml · derivative · entry 6

EUTENEUER JOSEPH J · CIK 0001268615 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 285 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.

F4 · derivative.exercise_price: Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on August 1, 2021, but which became vested in connection with the reporting person's termination of employment on August 10, 2020.

F4 · derivative.exercise_date: Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on August 1, 2021, but which became vested in connection with the reporting person's termination of employment on August 10, 2020.

F4 · derivative.expiration_date: Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on August 1, 2021, but which became vested in connection with the reporting person's termination of employment on August 10, 2020.

SEC source: 0001523711-20-000059 · wf-form4_159727393211363.xml · derivative · entry 5

EUTENEUER JOSEPH J · CIK 0001268615 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18,375 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.

F3 · derivative.exercise_price: Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020.

F3 · derivative.exercise_date: Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020.

F3 · derivative.expiration_date: Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020.

SEC source: 0001523711-20-000059 · wf-form4_159727393211363.xml · derivative · entry 4

EUTENEUER JOSEPH J · CIK 0001268615 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 16,538 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: Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020.

F3 · derivative.exercise_date: Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020.

F3 · derivative.expiration_date: Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020.

SEC source: 0001523711-20-000059 · wf-form4_159727393211363.xml · derivative · entry 3

EUTENEUER JOSEPH J · CIK 0001268615 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 16,538 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: Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020.

F3 · derivative.exercise_date: Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020.

F3 · derivative.expiration_date: Upon vesting, restricted stock units convert to common stock on a one-for-one basis, and there is no expiration date. Represents a prorated portion of the shares that were scheduled to vest on September 29, 2020, but which became vested in connection with the reporting person's termination of employment on August 10, 2020.

SEC source: 0001523711-20-000059 · wf-form4_159727393211363.xml · nonDerivative · entry 2

EUTENEUER JOSEPH J · CIK 0001268615 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,988

F2 · shares: Represents shares withheld to satisfy required tax obligations.

SEC source: 0001523711-20-000059 · wf-form4_159727393211363.xml · nonDerivative · entry 1

EUTENEUER JOSEPH J · CIK 0001268615 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 159,724

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: Restricted stock units convert to common stock on a one-for-one basis.

SEC source: 0001523711-20-000056 · wf-form4_159658419384145.xml · derivative · entry 9

TOTZKE STEVE · CIK 0001666142 · EVP, Chief Comm Officer

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.

F5 · derivative.exercise_price: As reported on a Form 3 dated June 24, 2020 and filed on July 2, 2020, the Reporting Person received a grant of 11,038 RSUs 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.

F5 · derivative.exercise_date: As reported on a Form 3 dated June 24, 2020 and filed on July 2, 2020, the Reporting Person received a grant of 11,038 RSUs 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.

F5 · derivative.expiration_date: As reported on a Form 3 dated June 24, 2020 and filed on July 2, 2020, the Reporting Person received a grant of 11,038 RSUs 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: 0001523711-20-000056 · wf-form4_159658419384145.xml · derivative · entry 8

TOTZKE STEVE · CIK 0001666142 · EVP, Chief Comm Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,464

Underlying: Common Stock · 6,274 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 3 dated June 24, 2020 and filed on July 2, 2020, the Reporting Person received a grant of 19,011 RSUs on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 6,274 shares of Mattel, Inc. Common Stock.

F3 · derivative.exercise_date: As reported on a Form 3 dated June 24, 2020 and filed on July 2, 2020, the Reporting Person received a grant of 19,011 RSUs on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 6,274 shares of Mattel, Inc. Common Stock.

F3 · derivative.expiration_date: As reported on a Form 3 dated June 24, 2020 and filed on July 2, 2020, the Reporting Person received a grant of 19,011 RSUs on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 6,274 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000056 · wf-form4_159658419384145.xml · derivative · entry 7

TOTZKE STEVE · CIK 0001666142 · EVP, Chief Comm Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,587 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 3 dated June 24, 2020 and filed on July 2, 2020, the Reporting Person received a grant of 7,606 Restricted Stock Units ("RSUs" or "Units") on August 1, 2017. 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, 2020, the final 34% of these RSUs vested, resulting in the issuance of 2,587 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 3 dated June 24, 2020 and filed on July 2, 2020, the Reporting Person received a grant of 7,606 Restricted Stock Units ("RSUs" or "Units") on August 1, 2017. 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, 2020, the final 34% of these RSUs vested, resulting in the issuance of 2,587 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 3 dated June 24, 2020 and filed on July 2, 2020, the Reporting Person received a grant of 7,606 Restricted Stock Units ("RSUs" or "Units") on August 1, 2017. 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, 2020, the final 34% of these RSUs vested, resulting in the issuance of 2,587 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000056 · wf-form4_159658419384145.xml · nonDerivative · entry 6

TOTZKE STEVE · CIK 0001666142 · EVP, Chief Comm Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,435

F6 · shares: Pursuant to the terms of the August 1, 2019 RSU grant, 1,600 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-20-000056 · wf-form4_159658419384145.xml · nonDerivative · entry 5

TOTZKE STEVE · CIK 0001666142 · EVP, Chief Comm Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,035

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.

F5 · price: As reported on a Form 3 dated June 24, 2020 and filed on July 2, 2020, the Reporting Person received a grant of 11,038 RSUs 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: 0001523711-20-000056 · wf-form4_159658419384145.xml · nonDerivative · entry 4

TOTZKE STEVE · CIK 0001666142 · EVP, Chief Comm Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,393

F4 · shares: Pursuant to the terms of the August 1, 2018 RSU grant, 2,170 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-20-000056 · wf-form4_159658419384145.xml · nonDerivative · entry 3

TOTZKE STEVE · CIK 0001666142 · EVP, Chief Comm Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,563

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 3 dated June 24, 2020 and filed on July 2, 2020, the Reporting Person received a grant of 19,011 RSUs on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 6,274 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000056 · wf-form4_159658419384145.xml · nonDerivative · entry 2

TOTZKE STEVE · CIK 0001666142 · EVP, Chief Comm Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,289

F2 · shares: Pursuant to the terms of the August 1, 2017 RSU grant, 895 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-20-000056 · wf-form4_159658419384145.xml · nonDerivative · entry 1

TOTZKE STEVE · CIK 0001666142 · EVP, Chief Comm Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,184

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 3 dated June 24, 2020 and filed on July 2, 2020, the Reporting Person received a grant of 7,606 Restricted Stock Units ("RSUs" or "Units") on August 1, 2017. 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, 2020, the final 34% of these RSUs vested, resulting in the issuance of 2,587 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000055 · wf-form4_159658380162077.xml · derivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,471

Underlying: Common Stock · 3,187 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 August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 9,658 RSUs 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 3,187 shares of Mattel, Inc. Common Stock.

F3 · 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 9,658 RSUs 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 3,187 shares of Mattel, Inc. Common Stock.

F3 · 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 9,658 RSUs 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 3,187 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000055 · wf-form4_159658380162077.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,656

Underlying: Common Stock · 5,490 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, 2018 and filed on August 3, 2018, the Reporting Person received a grant of 16,635 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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 second 33%of these RSUs vested, resulting in the issuance of 5,490 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated August 1, 2018 and filed on August 3, 2018, the Reporting Person received a grant of 16,635 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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 second 33%of these RSUs vested, resulting in the issuance of 5,490 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated August 1, 2018 and filed on August 3, 2018, the Reporting Person received a grant of 16,635 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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 second 33%of these RSUs vested, resulting in the issuance of 5,490 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000055 · wf-form4_159658380162077.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,501

F4 · shares: Pursuant to the terms of the August 1, 2019 RSU grant, 1,103 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-20-000055 · wf-form4_159658380162077.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,604

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 August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 9,658 RSUs 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 3,187 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000055 · wf-form4_159658380162077.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,417

F2 · shares: Pursuant to the terms of the August 1, 2018 grant, 1,899 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-20-000055 · wf-form4_159658380162077.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,316

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, 2018 and filed on August 3, 2018, the Reporting Person received a grant of 16,635 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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 second 33%of these RSUs vested, resulting in the issuance of 5,490 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000054 · wf-form4_159658346649800.xml · derivative · entry 7

NORMILE ROBERT · CIK 0001194275 · EVP Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,471

Underlying: Common Stock · 3,187 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 August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 9,658 RSUs 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 3,187 shares of Mattel, Inc. Common Stock.

F3 · 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 9,658 RSUs 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 3,187 shares of Mattel, Inc. Common Stock.

F3 · 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 9,658 RSUs 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 3,187 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000054 · wf-form4_159658346649800.xml · derivative · entry 6

NORMILE ROBERT · CIK 0001194275 · EVP Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,484

Underlying: Common Stock · 8,234 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, 2018 and filed on August 3, 2018, the Reporting Person received a grant of 24,952 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 8,234 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated August 1, 2018 and filed on August 3, 2018, the Reporting Person received a grant of 24,952 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 8,234 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated August 1, 2018 and filed on August 3, 2018, the Reporting Person received a grant of 24,952 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 8,234 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000054 · wf-form4_159658346649800.xml · nonDerivative · entry 4

NORMILE ROBERT · CIK 0001194275 · EVP Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 151,816

F4 · shares: Pursuant to the terms of the August 1, 2019 RSU grant, 1,103 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-20-000054 · wf-form4_159658346649800.xml · nonDerivative · entry 3

NORMILE ROBERT · CIK 0001194275 · EVP Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 152,919

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 August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 9,658 RSUs 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 3,187 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000054 · wf-form4_159658346649800.xml · nonDerivative · entry 2

NORMILE ROBERT · CIK 0001194275 · EVP Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 149,732

F2 · shares: Pursuant to the terms of the August 1, 2018 RSU grant, 2,848 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-20-000054 · wf-form4_159658346649800.xml · nonDerivative · entry 1

NORMILE ROBERT · CIK 0001194275 · EVP Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 152,580

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, 2018 and filed on August 3, 2018, the Reporting Person received a grant of 24,952 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 8,234 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000053 · wf-form4_159658298167584.xml · derivative · entry 3

Kreiz Ynon · CIK 0001708842 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,440

Underlying: Common Stock · 43,132 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, 2018 and filed on August 3, 2018, the Reporting Person received a grant of 130,703 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 43,132 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated August 1, 2018 and filed on August 3, 2018, the Reporting Person received a grant of 130,703 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 43,132 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated August 1, 2018 and filed on August 3, 2018, the Reporting Person received a grant of 130,703 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 43,132 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000053 · wf-form4_159658298167584.xml · nonDerivative · entry 2

Kreiz Ynon · CIK 0001708842 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,584

F2 · shares: Pursuant to the terms of the August 1, 2018 RSU grant, 21,385 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-20-000053 · wf-form4_159658298167584.xml · nonDerivative · entry 1

Kreiz Ynon · CIK 0001708842 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,969

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, 2018 and filed on August 3, 2018, the Reporting Person received a grant of 130,703 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 43,132 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000052 · wf-form4_159658256151733.xml · derivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,413

Underlying: Common Stock · 9,561 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.

F5 · 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 28,974 RSUs 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 9,561 shares of Mattel, Inc. Common Stock.

F5 · 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 28,974 RSUs 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 9,561 shares of Mattel, Inc. Common Stock.

F5 · 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 28,974 RSUs 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 9,561 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000052 · wf-form4_159658256151733.xml · derivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,188

Underlying: Common Stock · 7,947 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 3 dated February 18, 2019 and filed on February 28, 2019, the Reporting Person received a grant of 24,081 RSUs on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 7,947 Shares of Mattel, Inc. Common Stock.

F3 · derivative.exercise_date: As reported on a Form 3 dated February 18, 2019 and filed on February 28, 2019, the Reporting Person received a grant of 24,081 RSUs on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 7,947 Shares of Mattel, Inc. Common Stock.

F3 · derivative.expiration_date: As reported on a Form 3 dated February 18, 2019 and filed on February 28, 2019, the Reporting Person received a grant of 24,081 RSUs on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 7,947 Shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000052 · wf-form4_159658256151733.xml · derivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,897 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 3 dated February 18, 2019 and filed on February 28, 2019, the Reporting Person received a grant of 20,284 Restricted Stock Units ("RSUs" or "Units") on August 1, 2017. 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, 2020, the final 34% of these RSUs vested, resulting in the issuance of 6,897 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 3 dated February 18, 2019 and filed on February 28, 2019, the Reporting Person received a grant of 20,284 Restricted Stock Units ("RSUs" or "Units") on August 1, 2017. 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, 2020, the final 34% of these RSUs vested, resulting in the issuance of 6,897 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 3 dated February 18, 2019 and filed on February 28, 2019, the Reporting Person received a grant of 20,284 Restricted Stock Units ("RSUs" or "Units") on August 1, 2017. 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, 2020, the final 34% of these RSUs vested, resulting in the issuance of 6,897 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000052 · wf-form4_159658256151733.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,258

F6 · shares: Pursuant to the terms of the August 1, 2019 RSU grant, 4,741 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-20-000052 · wf-form4_159658256151733.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,999

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.

F5 · price: As reported on a Form 4 dated August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 28,974 RSUs 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 9,561 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000052 · wf-form4_159658256151733.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,438

F4 · shares: Pursuant to the terms of the August 1, 2018 RSU grant, 3,290 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-20-000052 · wf-form4_159658256151733.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,728

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 3 dated February 18, 2019 and filed on February 28, 2019, the Reporting Person received a grant of 24,081 RSUs on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 7,947 Shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000052 · wf-form4_159658256151733.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,781

F2 · shares: Pursuant to the terms of the August 1, 2017 RSU grant, 2,385 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-20-000052 · wf-form4_159658256151733.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,166

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 3 dated February 18, 2019 and filed on February 28, 2019, the Reporting Person received a grant of 20,284 Restricted Stock Units ("RSUs" or "Units") on August 1, 2017. 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, 2020, the final 34% of these RSUs vested, resulting in the issuance of 6,897 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: 0001523711-20-000050 · wf-form4_159658117444751.xml · derivative · entry 6

EUTENEUER JOSEPH J · CIK 0001268615 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,279

Underlying: Common Stock · 16,390 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 August 1, 2019 and filed on August 5, 2019, the Reporting Person received a grant of 49,669 RSUs 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 16,390 shares of Mattel, Inc. Common Stock.

F3 · 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 49,669 RSUs 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 16,390 shares of Mattel, Inc. Common Stock.

F3 · 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 49,669 RSUs 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 16,390 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000050 · wf-form4_159658117444751.xml · derivative · entry 5

EUTENEUER JOSEPH J · CIK 0001268615 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,544

Underlying: Common Stock · 14,116 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, 2018 and and filed on August 3, 2018, the Reporting Person received a grant of 42,776 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 14,116 shares of Mattel, Inc. Common Stock.

F1 · derivative.exercise_date: As reported on a Form 4 dated August 1, 2018 and and filed on August 3, 2018, the Reporting Person received a grant of 42,776 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 14,116 shares of Mattel, Inc. Common Stock.

F1 · derivative.expiration_date: As reported on a Form 4 dated August 1, 2018 and and filed on August 3, 2018, the Reporting Person received a grant of 42,776 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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 second 33% of these RSUs vested, resulting in the issuance of 14,116 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-20-000050 · wf-form4_159658117444751.xml · nonDerivative · entry 4

EUTENEUER JOSEPH J · CIK 0001268615 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 107,822

F4 · shares: Pursuant to the terms of the August 1, 2019 RSU grant, 8,127 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.