EXPONENT INC

Ticker: EXPO CUSIP: 30214U102 Class: Common Stock

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q4 2023

Shares 78,312 Value ($000) $6,895 Avg Close $79.51 Range $62.65 - $88.86

Q3 2023

Shares 79,521 Value ($000) $6,807 Avg Close $87.51 Range $81.83 - $93.97

Q2 2023

Shares 80,512 Value ($000) $7,513 Avg Close $90.75 Range $82.22 - $98.29

Q1 2023

Shares 80,144 Value ($000) $7,990 Avg Close $97.94 Range $87.83 - $108.44

Q4 2022

Shares 84,468 Value ($000) $8,370 Avg Close $93.27 Range $83.33 - $102.60

Q3 2022

Shares 86,579 Value ($000) $7,590 Avg Close $90.80 Range $83.36 - $99.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	78,312	$6,895	$79.51	$62.65 - $88.86
Q3 2023	79,521	$6,807	$87.51	$81.83 - $93.97
Q2 2023	80,512	$7,513	$90.75	$82.22 - $98.29
Q1 2023	80,144	$7,990	$97.94	$87.83 - $108.44
Q4 2022	84,468	$8,370	$93.27	$83.33 - $102.60
Q3 2022	86,579	$7,590	$90.80	$83.36 - $99.84