EXPONENT INC

Ticker: EXPO CUSIP: 30214U102 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2025

Shares 100,399 Value ($000) $6,974 Avg Close $70.04 Range $64.13 - $76.49

Q3 2024

Shares 10,900 Value ($000) $1,257 Avg Close $102.48 Range $91.12 - $113.49

Q2 2024

Shares 13,369 Value ($000) $1,272 Avg Close $88.07 Range $75.45 - $100.26

Q3 2021

Shares 99,334 Value ($000) $11,240 Avg Close $102.37 Range $83.04 - $114.43

Q3 2020

Shares 9,697 Value ($000) $699 Avg Close $74.81 Range $66.26 - $79.56

Q1 2020

Shares 3,016 Value ($000) $217 Avg Close $67.97 Range $54.43 - $77.49

Q2 2019

Shares 20,351 Value ($000) $1,191 Avg Close $52.92 Range $50.50 - $55.87

Q1 2019

Shares 37,767 Value ($000) $2,180 Avg Close $50.06 Range $43.61 - $54.25

Q4 2018

Shares 152,390 Value ($000) $7,727 Avg Close $46.35 Range $41.04 - $50.11

Q3 2018

Shares 43,424 Value ($000) $2,328 Avg Close $47.22 Range $43.99 - $50.40

Q2 2015

Shares 58,011 Value ($000) $2,598 Avg Close $19.41 Range $18.38 - $21.41

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	100,399	$6,974	$70.04	$64.13 - $76.49
Q3 2024	10,900	$1,257	$102.48	$91.12 - $113.49
Q2 2024	13,369	$1,272	$88.07	$75.45 - $100.26
Q3 2021	99,334	$11,240	$102.37	$83.04 - $114.43
Q3 2020	9,697	$699	$74.81	$66.26 - $79.56
Q1 2020	3,016	$217	$67.97	$54.43 - $77.49
Q2 2019	20,351	$1,191	$52.92	$50.50 - $55.87
Q1 2019	37,767	$2,180	$50.06	$43.61 - $54.25
Q4 2018	152,390	$7,727	$46.35	$41.04 - $50.11
Q3 2018	43,424	$2,328	$47.22	$43.99 - $50.40
Q2 2015	58,011	$2,598	$19.41	$18.38 - $21.41