MATTEL INC

Ticker: MAT CUSIP: 577081102 Class: COM

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 3,445,360 Value ($000) $68,356 Avg Close $19.32 Range $16.75 - $21.45

Q3 2025

Shares 921,237 Value ($000) $15,504 Avg Close $18.23 Range $16.56 - $20.60

Q2 2025

Shares 1,905,904 Value ($000) $37,584 Avg Close $17.80 Range $13.95 - $20.28

Q3 2024

Shares 308,960 Value ($000) $5,886 Avg Close $18.43 Range $15.87 - $19.80

Q2 2024

Shares 1,184,241 Value ($000) $19,256 Avg Close $18.12 Range $16.08 - $20.07

Q1 2024

Shares 1,341,656 Value ($000) $26,578 Avg Close $18.95 Range $16.98 - $20.48

Q4 2023

Shares 1,193,519 Value ($000) $22,534 Avg Close $19.45 Range $16.20 - $21.99

Q3 2023

Shares 5,263,211 Value ($000) $115,949 Avg Close $21.36 Range $19.60 - $22.64

Q2 2023

Shares 6,376,959 Value ($000) $124,606 Avg Close $18.07 Range $16.66 - $19.74

Q1 2023

Shares 4,133,363 Value ($000) $76,095 Avg Close $18.58 Range $15.36 - $21.66

Q4 2022

Shares 1,277,343 Value ($000) $22,788 Avg Close $18.13 Range $16.21 - $20.55

Q3 2022

Shares 1,526,821 Value ($000) $28,918 Avg Close $22.37 Range $18.26 - $24.38

Q2 2022

Shares 3,077,628 Value ($000) $68,723 Avg Close $23.62 Range $21.07 - $26.99

Q1 2022

Shares 1,907,725 Value ($000) $42,371 Avg Close $22.86 Range $19.17 - $25.71

Q4 2021

Shares 791,858 Value ($000) $17,072 Avg Close $20.98 Range $17.95 - $23.30

Q3 2021

Shares 343,088 Value ($000) $6,368 Avg Close $20.73 Range $18.52 - $22.71

Q4 2020

Shares 947,292 Value ($000) $16,530 Avg Close $14.73 Range $11.69 - $18.39

Q1 2019

Shares 233,741 Value ($000) $3,039 Avg Close $13.36 Range $9.26 - $17.27

Q3 2018

Shares 55,212 Value ($000) $867 Avg Close $16.01 Range $14.65 - $17.73

Q2 2018

Shares 751,763 Value ($000) $12,344 Avg Close $15.18 Range $12.21 - $17.98

Q1 2018

Shares 693,290 Value ($000) $9,117 Avg Close $15.59 Range $12.72 - $18.88

Q4 2017

Shares 1,618,534 Value ($000) $24,893 Avg Close $15.85 Range $12.71 - $19.21

Q3 2016

Shares 932,526 Value ($000) $28,237 Avg Close $32.69 Range $30.26 - $34.24

Q2 2016

Shares 783,500 Value ($000) $24,516 Avg Close $31.72 Range $28.78 - $34.76

Q1 2016

Shares 1,043,430 Value ($000) $35,080 Avg Close $30.38 Range $23.85 - $34.36

Q4 2015

Shares 1,147,813 Value ($000) $31,186 Avg Close $24.60 Range $19.45 - $27.93

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,445,360	$68,356	$19.32	$16.75 - $21.45
Q3 2025	921,237	$15,504	$18.23	$16.56 - $20.60
Q2 2025	1,905,904	$37,584	$17.80	$13.95 - $20.28
Q3 2024	308,960	$5,886	$18.43	$15.87 - $19.80
Q2 2024	1,184,241	$19,256	$18.12	$16.08 - $20.07
Q1 2024	1,341,656	$26,578	$18.95	$16.98 - $20.48
Q4 2023	1,193,519	$22,534	$19.45	$16.20 - $21.99
Q3 2023	5,263,211	$115,949	$21.36	$19.60 - $22.64
Q2 2023	6,376,959	$124,606	$18.07	$16.66 - $19.74
Q1 2023	4,133,363	$76,095	$18.58	$15.36 - $21.66
Q4 2022	1,277,343	$22,788	$18.13	$16.21 - $20.55
Q3 2022	1,526,821	$28,918	$22.37	$18.26 - $24.38
Q2 2022	3,077,628	$68,723	$23.62	$21.07 - $26.99
Q1 2022	1,907,725	$42,371	$22.86	$19.17 - $25.71
Q4 2021	791,858	$17,072	$20.98	$17.95 - $23.30
Q3 2021	343,088	$6,368	$20.73	$18.52 - $22.71
Q4 2020	947,292	$16,530	$14.73	$11.69 - $18.39
Q1 2019	233,741	$3,039	$13.36	$9.26 - $17.27
Q3 2018	55,212	$867	$16.01	$14.65 - $17.73
Q2 2018	751,763	$12,344	$15.18	$12.21 - $17.98
Q1 2018	693,290	$9,117	$15.59	$12.72 - $18.88
Q4 2017	1,618,534	$24,893	$15.85	$12.71 - $19.21
Q3 2016	932,526	$28,237	$32.69	$30.26 - $34.24
Q2 2016	783,500	$24,516	$31.72	$28.78 - $34.76
Q1 2016	1,043,430	$35,080	$30.38	$23.85 - $34.36
Q4 2015	1,147,813	$31,186	$24.60	$19.45 - $27.93