MAT

SEC source: 0001523711-21-000056 · wf-form4_162804022566850.xml · derivative · entry 10

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,981

Underlying: Common Stock · 11,981 shares

Expires not disclosed

F7 · 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).

F8 · 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.

F8 · 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: 0001523711-21-000054 · wf-form4_162804002201544.xml · derivative · entry 12

Dickson Richard · CIK 0001482551 · Pres & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 366,392

Underlying: Common Stock · 119,681 shares

Expires 2031-08-02

F10 · 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: 0001523711-21-000054 · wf-form4_162804002201544.xml · derivative · entry 11

Dickson Richard · CIK 0001482551 · Pres & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 152,606

Underlying: Common Stock · 51,346 shares

Expires not disclosed

F8 · 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).

F9 · 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.

F9 · 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: 0001523711-21-000052 · wf-form4_162803986617954.xml · derivative · entry 4

Kreiz Ynon · CIK 0001708842 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 789,532

Underlying: Common Stock · 265,957 shares

Expires 2031-08-02

F3 · derivative.exercise_date: The option was granted on August 2, 2021 pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. 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: 0001523711-21-000050 · wf-form4_162803971501278.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,347

Underlying: Common Stock · 17,287 shares

Expires 2031-08-02

F3 · 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: 0001523711-21-000050 · wf-form4_162803971501278.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,876

Underlying: Common Stock · 22,250 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs" or "Units") 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).

F2 · 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.

F2 · 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: 0001523711-21-000048 · wf-form4_162803952364344.xml · derivative · entry 2

DISILVESTRO ANTHONY · CIK 0001285140 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 189,100

Underlying: Common Stock · 55,851 shares

Expires 2031-08-02

F3 · 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: 0001523711-21-000048 · wf-form4_162803952364344.xml · derivative · entry 1

DISILVESTRO ANTHONY · CIK 0001285140 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,338

Underlying: Common Stock · 23,962 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs" or "Units") 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).

F2 · 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.

F2 · 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: 0001523711-21-000062 · wf-form4_162804065740610.xml · derivative · entry 8

TOTZKE STEVE · CIK 0001666142 · EVP, Chief Comm Officer

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.

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 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, 2021, the second 33% of these RSUs vested, resulting in the issuance of 3,643 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 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, 2021, the second 33% of these RSUs vested, resulting in the issuance of 3,643 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 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, 2021, the second 33% of these RSUs vested, resulting in the issuance of 3,643 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000062 · wf-form4_162804065740610.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 · 6,464 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 19,011 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 6,464 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 19,011 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 6,464 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 19,011 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 6,464 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000062 · wf-form4_162804065740610.xml · nonDerivative · entry 4

TOTZKE STEVE · CIK 0001666142 · EVP, Chief Comm Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,651

F4 · shares: Pursuant to the terms of the August 1, 2019 RSU grant, 1,807 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-21-000062 · wf-form4_162804065740610.xml · nonDerivative · entry 3

TOTZKE STEVE · CIK 0001666142 · EVP, Chief Comm Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,458

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 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, 2021, the second 33% of these RSUs vested, resulting in the issuance of 3,643 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000062 · wf-form4_162804065740610.xml · nonDerivative · entry 2

TOTZKE STEVE · CIK 0001666142 · EVP, Chief Comm Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,815

F2 · shares: Pursuant to the terms of the August 1, 2018 RSU grant, 3,205 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-21-000062 · wf-form4_162804065740610.xml · nonDerivative · entry 1

TOTZKE STEVE · CIK 0001666142 · EVP, Chief Comm Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,020

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 19,011 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 6,464 shares of Mattel, Inc. Common Stock.

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: 0001523711-21-000058 · wf-form4_162804034989301.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: 9,852

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.

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 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, 2021, the second 33% of these RSUs vested, resulting in the issuance of 9,561 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 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, 2021, the second 33% of these RSUs vested, resulting in the issuance of 9,561 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 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, 2021, the second 33% of these RSUs vested, resulting in the issuance of 9,561 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000058 · wf-form4_162804034989301.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 · 8,188 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 24,081 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 8,188 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 24,081 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 8,188 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 24,081 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 8,188 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000058 · wf-form4_162804034989301.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: 67,983

F4 · 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: 0001523711-21-000058 · wf-form4_162804034989301.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: 72,724

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.

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 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, 2021, the second 33% of these RSUs vested, resulting in the issuance of 9,561 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000058 · wf-form4_162804034989301.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: 63,163

F2 · shares: Pursuant to the terms of the August 1, 2018 RSU grant, 4,060 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-21-000058 · wf-form4_162804034989301.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: 67,223

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 24,081 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 8,188 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000056 · wf-form4_162804022566850.xml · derivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,284

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, 2021, the second 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, 2021, the second 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, 2021, the second 33% of these RSUs vested, resulting in the issuance of 3,187 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000056 · wf-form4_162804022566850.xml · derivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,656 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 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 5,656 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 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 5,656 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 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 5,656 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000056 · wf-form4_162804022566850.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,268

F4 · shares: Pursuant to the terms of the August 1, 2019 RSU grant, 1,581 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-21-000056 · wf-form4_162804022566850.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,849

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, 2021, the second 33% of these RSUs vested, resulting in the issuance of 3,187 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000056 · wf-form4_162804022566850.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,662

F2 · shares: Pursuant to the terms of the August 1, 2018 grant, 2,805 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-21-000056 · wf-form4_162804022566850.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,467

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 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 5,656 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000054 · wf-form4_162804002201544.xml · derivative · entry 9

Dickson Richard · CIK 0001482551 · Pres & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,146

Underlying: Common Stock · 27,318 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 82,781 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, 2021, the second 33% of these RSUs vested, resulting in the issuance of 27,318 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 82,781 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, 2021, the second 33% of these RSUs vested, resulting in the issuance of 27,318 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 82,781 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, 2021, the second 33% of these RSUs vested, resulting in the issuance of 27,318 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000054 · wf-form4_162804002201544.xml · derivative · entry 8

Dickson Richard · CIK 0001482551 · Pres & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 24,240 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 71,293 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 24,240 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 71,293 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 24,240 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 71,293 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 24,240 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000054 · wf-form4_162804002201544.xml · nonDerivative · entry 4

Dickson Richard · CIK 0001482551 · Pres & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 304,632

F4 · shares: Pursuant to the terms of the August 1, 2019 RSU grant, 13,545 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-21-000054 · wf-form4_162804002201544.xml · nonDerivative · entry 3

Dickson Richard · CIK 0001482551 · Pres & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 318,177

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 82,781 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, 2021, the second 33% of these RSUs vested, resulting in the issuance of 27,318 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000054 · wf-form4_162804002201544.xml · nonDerivative · entry 2

Dickson Richard · CIK 0001482551 · Pres & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 290,859

F2 · shares: Pursuant to the terms of the August 1, 2018 RSU grant, 12,019 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-21-000054 · wf-form4_162804002201544.xml · nonDerivative · entry 1

Dickson Richard · CIK 0001482551 · Pres & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 302,878

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 71,293 Restricted Stock Units ("RSUs" or "Units") on August 1, 2018. 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 24,240 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000052 · wf-form4_162803986617954.xml · derivative · entry 3

Kreiz Ynon · CIK 0001708842 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 44,440 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 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 44,440 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 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 44,440 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 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 44,440 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000052 · wf-form4_162803986617954.xml · nonDerivative · entry 2

Kreiz Ynon · CIK 0001708842 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 307,997

F2 · shares: Pursuant to the terms of the August 1, 2018 RSU grant, 22,034 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-21-000052 · wf-form4_162803986617954.xml · nonDerivative · entry 1

Kreiz Ynon · CIK 0001708842 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 330,031

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 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, 2021, the remaining 34% of these RSUs vested, resulting in the issuance of 44,440 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000062 · wf-form4_162804065740610.xml · derivative · entry 9

TOTZKE STEVE · CIK 0001666142 · EVP, Chief Comm Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,615

Underlying: Common Stock · 11,138 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 July 31, 2020 and filed on August 4, 2020, the Reporting Person received a grant of 33,753 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 11,138 shares of Mattel, Inc. Common Stock.

F5 · 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 33,753 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 11,138 shares of Mattel, Inc. Common Stock.

F5 · 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 33,753 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 11,138 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000062 · wf-form4_162804065740610.xml · nonDerivative · entry 6

TOTZKE STEVE · CIK 0001666142 · EVP, Chief Comm Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,266

F6 · shares: Pursuant to the terms of the July 31, 2020 RSU grant, 5,523 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-21-000062 · wf-form4_162804065740610.xml · nonDerivative · entry 5

TOTZKE STEVE · CIK 0001666142 · EVP, Chief Comm Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,789

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 July 31, 2020 and filed on August 4, 2020, the Reporting Person received a grant of 33,753 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 11,138 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: 0001523711-21-000058 · wf-form4_162804034989301.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: 23,746

Underlying: Common Stock · 11,695 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 July 31, 2020 and filed on August 4, 2020, the Reporting Person received a grant of 35,441 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 11,695 shares of Mattel, Inc. Common Stock.

F5 · 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 35,441 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 11,695 shares of Mattel, Inc. Common Stock.

F5 · 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 35,441 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 11,695 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000058 · wf-form4_162804034989301.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: 73,879

F6 · shares: Pursuant to the terms of the July 31, 2020 RSU grant, 5,799 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-21-000058 · wf-form4_162804034989301.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: 79,678

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 July 31, 2020 and filed on August 4, 2020, the Reporting Person received a grant of 35,441 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 11,695 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000056 · wf-form4_162804022566850.xml · derivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,831

Underlying: Common Stock · 7,796 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 July 31, 2020 and filed on August 4, 2020, the Reporting Person received a grant of 23,627 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 7,796 shares of Mattel, Inc. Common Stock.

F5 · 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 23,627 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 7,796 shares of Mattel, Inc. Common Stock.

F5 · 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 23,627 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 7,796 shares of Mattel, Inc. Common Stock.

SEC source: 0001523711-21-000056 · wf-form4_162804022566850.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,198

F6 · shares: Pursuant to the terms of the July 31, 2020 RSU grant, 3,866 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001523711-21-000056 · wf-form4_162804022566850.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,064

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 July 31, 2020 and filed on August 4, 2020, the Reporting Person received a grant of 23,627 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 7,796 shares of Mattel, Inc. Common Stock.